void adcInit( void )
{
// ADC Clock Div.
RCC_ADCCLKConfig( RCC_PCLK2_Div8 );
// Turn ADC and appropriate GPIO's clocks on.
RCC_APB2PeriphClockCmd( ADC_CLK | GPIO_ADC_CLK, ENABLE );
// Setup GPIO in type.
GPIO_InitTypeDef init;
init.GPIO_Pin = ADC_PIN;
init.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init( GPIO_ADC, &init );
// Setp ADC.
ADC_DeInit( ADC1 );
ADC_InitTypeDef adcInit;
ADC_StructInit( &adcInit );
adcInit.ADC_Mode = ADC_Mode_Independent;
adcInit.ADC_ContinuousConvMode = DISABLE;
adcInit.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
adcInit.ADC_DataAlign = ADC_DataAlign_Right;
adcInit.ADC_NbrOfChannel = 1;
// Now do the setup
ADC_Init( ADC1, &adcInit );
// Enable ADC1
ADC_Cmd( ADC1, ENABLE );
// Enable ADC1 reset calibaration register
ADC_ResetCalibration( ADC1 );
// Check the end of ADC1 reset calibration register
while( ADC_GetResetCalibrationStatus( ADC1 ) )
;
// Start ADC1 calibaration
ADC_StartCalibration( ADC1 );
// Check the end of ADC1 calibration
while( ADC_GetCalibrationStatus( ADC1 ) )
;
}
void RCC_Config(void)
{
RCC_DeInit();
RCC_HSEConfig(RCC_HSE_ON); //Включим внешний генератор
while (SUCCESS != RCC_WaitForHSEStartUp()); //Подождем запуска генератора
RCC_PLLCmd(DISABLE);
RCC_PLLConfig(RCC_PLLSource_PREDIV1,RCC_PLLMul_12); //Вход ПЛЛ внешний генератор умножим на 12
RCC_PLLCmd(ENABLE);
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); //Системное тактирование от ПЛЛ
RCC_HCLKConfig(RCC_SYSCLK_Div1); //Тактирование AHB с делением 1
RCC_PCLKConfig(RCC_HCLK_Div8); //Тактирование переферии с делением 8
RCC_ADCCLKConfig(RCC_ADCCLK_PCLK_Div2); //Тактирование АЦП
RCC_I2CCLKConfig(RCC_I2C1CLK_SYSCLK); //Тактируем шину I2C от системного тактирования
RCC_USARTCLKConfig(RCC_USART1CLK_PCLK); //Тактируем UART от шини переферии
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA + RCC_AHBPeriph_GPIOB,ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1 + RCC_APB2Periph_USART1 + RCC_APB2Periph_TIM1 + RCC_APB2Periph_TIM15, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM14, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
#ifdef MCO_ENABLE
GPIOA_Struct_init.GPIO_Pin = GPIO_Pin_8;
GPIOA_Struct_init.GPIO_Mode = GPIO_Mode_AF;
GPIOA_Struct_init.GPIO_Speed = GPIO_Speed_Level_2;
GPIOA_Struct_init.GPIO_OType = GPIO_OType_PP;
GPIO_Init(GPIOA,&GPIOA_Struct_init);
RCC_MCOConfig(RCC_MCOSource_SYSCLK);
while (1);
#else
RCC_MCOConfig(RCC_MCOSource_NoClock);
#endif /*MCO_ENABLE */
};
void SysInitRCC( void )
{
// System clock is set by the SystemInit-function, called by the startup-file before main is called.
// So, when correctly configured in system_stm32f10x.c, the system runs at HSE 8 MHz, using PLL to create 72 MHz SystemClock
// ADCCLK = PCLK2/<divider>
// PCLK2 runs @72 MHz, ADCCLK can be max. 14 MHz
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
/* Enable AHB periphs */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_CRC, ENABLE);
/* Enable APB1 periphs */
RCC_APB1PeriphClockCmd( RCC_APB1Periph_USART2, ENABLE );
/* Enable APB2 periphs */
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA, ENABLE );
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOB, ENABLE );
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOC, ENABLE );
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOD, ENABLE );
RCC_APB2PeriphClockCmd( RCC_APB2Periph_AFIO, ENABLE ); // for remapping purposes
}
/**
* @brief Initialize an ADC peripheral.
*
* Initializes the RCC clock line for the given peripheral. Resets
* ADC device registers.
*
* @param dev ADC peripheral to initialize
*/
void adc_init(const adc_dev *dev) {
/* Enable The HSI */
RCC_HSICmd(ENABLE);
/* Check that HSI oscillator is ready */
while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
dev->clkcmd(dev->clk, ENABLE);
ADC_DeInit(dev->ADCx);
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
/* ADCx Init ****************************************************************/
ADC_InitTypeDef ADC_InitStructure;
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(dev->ADCx, &ADC_InitStructure);
}
/* * ===================================================================================== * * Filename: thermcouple.c * * Description: * * Version: 1.0 * Created: 2013/3/23 20:10:37 * Revision: none * Compiler: gcc * * Author: RY (good lucky), [email protected] * Organization: * * ===================================================================================== */ #include "thermcouple.h" uint16_t oldTemparture; void thermcoupleIOinit(void)/*{{{*/ { GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); //GPIOB时钟 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //口线翻转速度为50MHz GPIO_InitStructure.GPIO_Pin = ThermcoupleSck_Pin; GPIO_Init(ThermcoupleSck_Port, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = ThermcoupleCs_Pin; GPIO_Init(ThermcoupleCs_Port, &GPIO_InitStructure); // GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_InitStructure.GPIO_Pin = ThermcoupleDo_Pin; GPIO_Init(ThermcoupleDo_Port, &GPIO_InitStructure); oldTemparture=25; }/*}}}*/ uint16_t thermcoupleReadTemp(void)/*{{{*/ { uint16_t data=0; uint8_t i,result; bool badTemperature=false; bool haveData=false; GPIO_ResetBits(ThermcoupleSck_Port,ThermcoupleSck_Pin); GPIO_ResetBits(ThermcoupleCs_Port,ThermcoupleCs_Pin); delay_us(20); for(i=0;i<16;i++) { GPIO_SetBits(ThermcoupleSck_Port,ThermcoupleSck_Pin); delay_us(1); if(i>=1 && i<11) { data=data<<1; if(GPIO_ReadInputDataBit(ThermcoupleDo_Port,ThermcoupleDo_Pin)) { data=data|0x01; haveData=true; } } if(i==13) { if(GPIO_ReadInputDataBit(ThermcoupleDo_Port,ThermcoupleDo_Pin)) badTemperature=true; } delay_us(1); GPIO_ResetBits(ThermcoupleSck_Port,ThermcoupleSck_Pin); delay_us(2); } GPIO_SetBits(ThermcoupleCs_Port,ThermcoupleCs_Pin); delay_us(20); GPIO_ResetBits(ThermcoupleSck_Port,ThermcoupleSck_Pin); if(badTemperature) { data=oldTemparture; } else { } return data; }/*}}}*/ void thermistorIOinit(void)/*{{{*/ { GPIO_InitTypeDef GPIO_InitStructure; ADC_InitTypeDef ADC_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); //GPIOC时钟 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //口线翻转速度为50MHz GPIO_InitStructure.GPIO_Pin = HeaterBoardTherm_Pin; GPIO_Init(HeaterBoardTherm_Port,&GPIO_InitStructure); RCC_ADCCLKConfig(RCC_CFGR_ADCPRE_DIV6);//ADC时钟PLCK2的6分频 12M。ADC最大时钟不能超过14M! RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE); ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;//工作在独立模式 ADC_InitStructure.ADC_ScanConvMode = ENABLE; //使能扫描 ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;//ADC转换工作在连续模式 ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;//有软件控制转换 ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;//转换数据右对齐 ADC_InitStructure.ADC_NbrOfChannel = 1;//转换通道1个 ADC_Init(ADC1, &ADC_InitStructure); //初始化ADC ADC_RegularChannelConfig(ADC1, ADC_Channel_11,1, ADC_SampleTime_239Cycles5);//选择ADC1 通道11(因为是ADC_11),次序1,采样239.5周期 ADC_Cmd(ADC1, ENABLE);//使能ADC1 ADC_ResetCalibration(ADC1); //重置ADC1校准寄存器 while(ADC_GetResetCalibrationStatus(ADC1));//等待ADC1校准重置完成 ADC_StartCalibration(ADC1);//开始ADC1校准 while(ADC_GetCalibrationStatus(ADC1));//等待ADC1校准完成 ADC_SoftwareStartConvCmd(ADC1, ENABLE); //使能ADC1软件开始转换 }/*}}}*/
void ADC_Configuration(void)
{
ADC_InitTypeDef ADC_InitStructure;
/* PCLK2 is the APB2 clock */
/* ADCCLK = PCLK2/6 = 72/6 = 12MHz*/
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
/* Enable ADC1 clock so that we can talk to it */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
/* Put everything back to power-on defaults */
ADC_DeInit(ADC1);
/* ADC1 Configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; /* ADC1 and ADC2 operate independently */
ADC_InitStructure.ADC_ScanConvMode = DISABLE; /* Disable the scan conversion so we do one at a time */
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE; /* Don't do contimuous conversions - do them on demand */
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; /* Start conversin by software, not an external trigger */
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; /* Conversions are 12 bit - put them in the lower 12 bits of the result */
ADC_InitStructure.ADC_NbrOfChannel = 1; /* Say how many channels would be used by the sequencer */
ADC_Init(ADC1, &ADC_InitStructure); /* Now do the setup */
ADC_Cmd(ADC1, ENABLE); /* Enable ADC1 */
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
}
void BSP_Init (void)
{
BSP_IntInit();
RCC_DeInit();
RCC_HSEConfig(RCC_HSE_ON);
RCC_WaitForHSEStartUp();
RCC_HCLKConfig(RCC_SYSCLK_Div1);
RCC_PCLK2Config(RCC_HCLK_Div1);
RCC_PCLK1Config(RCC_HCLK_Div2);
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
FLASH_SetLatency(FLASH_Latency_2);
FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
RCC_PLLCmd(ENABLE);
while (RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET) {
;
}
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
while (RCC_GetSYSCLKSource() != 0x08) {
;
}
BSP_ADC_Init(); /* Initialize the I/Os for the ADC controls. */
BSP_LED_Init(); /* Initialize the I/Os for the LED controls. */
BSP_PB_Init(); /* Initialize the I/Os for the PB control. */
BSP_Joystick_Init(); /* Initialize the I/Os for the Joystick control. */
STM3210E_LCD_Init();
LCD_Clear(0xFFFF);
}
static void adc1_mode_config( void)
{
DMA_InitTypeDef dma_init_structure;
ADC_InitTypeDef adc_init_structure;
/* 复位 ADC1,将与DMA有关的寄存器设我初始值; */
DMA_DeInit( DMA1_Channel1);
/*定义DMA外设基地址, 这里的ADC1_DR_Address 是用户自己定义的，即为存放转换结果的寄存器;
，他的作用就是告诉DMA取数就到ADC1_DR_Address 这里来取。;*/
dma_init_structure.DMA_PeripheralBaseAddr = ADC1_DR_ADDRESS;
/*定义内存基地址，即告诉DMA要将从AD中取来的数放到ADC_ConvertedValue中 ;*/
dma_init_structure.DMA_MemoryBaseAddr = ( uint32_t)&s_adc1_converted_value;
/*定义AD外设作为数据传输的来源，即告诉DMA是将AD中的数据取出放到内存中，不能反过来;*/
dma_init_structure.DMA_DIR = DMA_DIR_PeripheralSRC;
/*指定DMA通道的DMA缓存的大小,即告诉DMA开辟几个内存空间，由于我们只取通道10的AD数据所以只需开辟一个内存空间;*/
dma_init_structure.DMA_BufferSize = 1;
//dma_init_structure.DMA_BufferSize = 2;
/*设定寄存器地址固定，即告诉DMA，只从固定的一个地方取数;*/
dma_init_structure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
/*设定内存地址固定，即每次DMA，，只将数搬到固定的内存中;*/
dma_init_structure.DMA_MemoryInc = DMA_MemoryInc_Disable;
/*设定内存地址递加，即每次DMA都是将该外设寄存器中的值传到两个内存空间中;*/
//DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
/*设定外设数据宽度，即告诉DMA要取的数的大小,半字(16位);*/
dma_init_structure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
/*设定内存的的宽度;*/
dma_init_structure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
/*设定DMA工作再循环缓存模式，即告诉DMA要不停的搬运，不能偷懒;*/
dma_init_structure.DMA_Mode = DMA_Mode_Circular;
/*设定DMA选定的通道软件优先级;*/
dma_init_structure.DMA_Priority = DMA_Priority_High;
dma_init_structure.DMA_M2M = DMA_M2M_Disable;
DMA_Init( DMA1_Channel1, &dma_init_structure);
DMA_Cmd( DMA1_Channel1, ENABLE);
/* ADC1 configuration */
/*设置ADC工作在独立模式;*/
adc_init_structure.ADC_Mode = ADC_Mode_Independent;
/*规定AD转换工作在扫描模式，即对多个通道采样;*/
//ADC_InitStructure.ADC_ScanConvMode = ENABLE
/*规定AD转换工作在单次模式，即对一个通道采样;*/
adc_init_structure.ADC_ScanConvMode = DISABLE;
/*设定AD转化在连续模式;*/
adc_init_structure.ADC_ContinuousConvMode = ENABLE;
/*不使用外部促发转换;*/
adc_init_structure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
/*采集的数据在寄存器中以右对齐的方式存放;*/
adc_init_structure.ADC_DataAlign = ADC_DataAlign_Right;
/*设定要转换的AD通道数目;*/
adc_init_structure.ADC_NbrOfChannel = 1;
//adc_init_structure.ADC_NbrOfChannel = 2;
ADC_Init( ADC1, &adc_init_structure);
/*配置ADC时钟，为PCLK2的8分频，即9MHz;*/
RCC_ADCCLKConfig( RCC_PCLK2_Div8);
/*配置ADC1的通道11为55.5个采样周期; */
ADC_RegularChannelConfig( ADC1,ADC_Channel_10,1,ADC_SampleTime_55Cycles5);
//ADC_RegularChannelConfig( ADC1,ADC_Channel_11,1,ADC_SampleTime_55Cycles5);
ADC_DMACmd( ADC1, ENABLE);
ADC_Cmd( ADC1, ENABLE);
ADC_ResetCalibration( ADC1);
while( ADC_GetResetCalibrationStatus( ADC1) );
ADC_StartCalibration( ADC1);
while( ADC_GetCalibrationStatus( ADC1));
/* 由于没有采用外部触发，所以使用软件触发ADC转换; */
ADC_SoftwareStartConvCmd( ADC1, ENABLE);
}
/**
* @brief Configures the different system clocks.
* @param None
* @retval None
*/
void RCC_Configuration(void)
{
/* RCC system reset(for debug purpose) */
RCC_DeInit();
/* Enable HSE */
RCC_HSEConfig(RCC_HSE_ON);
/* Wait till HSE is ready */
HSEStartUpStatus = RCC_WaitForHSEStartUp();
if(HSEStartUpStatus == SUCCESS)
{
/* Enable Prefetch Buffer */
FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
/* Flash 2 wait state */
FLASH_SetLatency(FLASH_Latency_2);
/* HCLK = SYSCLK */
RCC_HCLKConfig(RCC_SYSCLK_Div1);
/* PCLK2 = HCLK */
RCC_PCLK2Config(RCC_HCLK_Div1);
/* PCLK1 = HCLK/2 */
RCC_PCLK1Config(RCC_HCLK_Div2);
/* ADCCLK = PCLK2/4 */
RCC_ADCCLKConfig(RCC_PCLK2_Div4);
#ifndef STM32F10X_CL
/* PLLCLK = 8MHz * 7 = 56 MHz */
RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_7);
#else
/* Configure PLLs *********************************************************/
/* PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */
RCC_PREDIV2Config(RCC_PREDIV2_Div5);
RCC_PLL2Config(RCC_PLL2Mul_8);
/* Enable PLL2 */
RCC_PLL2Cmd(ENABLE);
/* Wait till PLL2 is ready */
while (RCC_GetFlagStatus(RCC_FLAG_PLL2RDY) == RESET)
{}
/* PLL configuration: PLLCLK = (PLL2 / 5) * 7 = 56 MHz */
RCC_PREDIV1Config(RCC_PREDIV1_Source_PLL2, RCC_PREDIV1_Div5);
RCC_PLLConfig(RCC_PLLSource_PREDIV1, RCC_PLLMul_7);
#endif
/* Enable PLL */
RCC_PLLCmd(ENABLE);
/* Wait till PLL is ready */
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
{
}
/* Select PLL as system clock source */
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
/* Wait till PLL is used as system clock source */
while(RCC_GetSYSCLKSource() != 0x08)
{
}
}
/* Enable peripheral clocks --------------------------------------------------*/
/* Enable ADC1 and GPIO_LED clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
}
/**
* @brief Configures the different system clocks.
* @param None
* @retval None
*/
void RCC_Configuration(void)
{
/* RCC system reset(for debug purpose) */
RCC_DeInit();
/* Enable HSE */
RCC_HSEConfig(RCC_HSE_ON);
/* Wait till HSE is ready */
HSEStartUpStatus = RCC_WaitForHSEStartUp();
if(HSEStartUpStatus == SUCCESS)
{
/* Enable Prefetch Buffer */
FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
/* Flash 2 wait state */
FLASH_SetLatency(FLASH_Latency_2);
/* HCLK = SYSCLK */
RCC_HCLKConfig(RCC_SYSCLK_Div1);
/* PCLK2 = HCLK */
RCC_PCLK2Config(RCC_HCLK_Div1);
/* PCLK1 = HCLK/2 */
RCC_PCLK1Config(RCC_HCLK_Div2);
/* ADCCLK = PCLK2/4 */
RCC_ADCCLKConfig(RCC_PCLK2_Div4);
#ifndef STM32F10X_CL
/* PLLCLK = 8MHz * 9 = 72 MHz */
RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
#else
/* Configure PLLs *********************************************************/
/* PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz */
RCC_PREDIV2Config(RCC_PREDIV2_Div5);
RCC_PLL2Config(RCC_PLL2Mul_8);
/* Enable PLL2 */
RCC_PLL2Cmd(ENABLE);
/* Wait till PLL2 is ready */
while (RCC_GetFlagStatus(RCC_FLAG_PLL2RDY) == RESET)
{}
/* PLL configuration: PLLCLK = (PLL2 / 5) * 9 = 72 MHz */
RCC_PREDIV1Config(RCC_PREDIV1_Source_PLL2, RCC_PREDIV1_Div5);
RCC_PLLConfig(RCC_PLLSource_PREDIV1, RCC_PLLMul_9);
/* PPL3 configuration: PLL3CLK = (HSE / 5) * 11 = PLL3_VCO = 110 MHz */
RCC_PLL3Config(RCC_PLL3Mul_11);
/* Enable PLL3 */
RCC_PLL3Cmd(ENABLE);
/* Wait till PLL3 is ready */
while (RCC_GetFlagStatus(RCC_FLAG_PLL3RDY) == RESET)
{}
/* Configure I2S clock source: On Connectivity-Line Devices, the I2S can be
clocked by PLL3 VCO instead of SYS_CLK in order to guarantee higher
precision */
RCC_I2S3CLKConfig(RCC_I2S3CLKSource_PLL3_VCO);
RCC_I2S2CLKConfig(RCC_I2S2CLKSource_PLL3_VCO);
#endif
/* Enable PLL */
RCC_PLLCmd(ENABLE);
/* Wait till PLL is ready */
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
{
}
/* Select PLL as system clock source */
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
/* Wait till PLL is used as system clock source */
while(RCC_GetSYSCLKSource() != 0x08)
{
}
}
/* Enable peripheral clocks --------------------------------------------------*/
/* GPIOA, GPIOB and AFIO clocks enable */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
RCC_APB2Periph_AFIO, ENABLE);
#ifdef USE_STM3210C_EVAL
/* GPIOC Clock enable (for the SPI3 remapped pins) */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC , ENABLE);
#endif /* USE_STM3210C_EVAL */
/* SPI2 and SPI3 clocks enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2 | RCC_APB1Periph_SPI3, ENABLE);
}
void adcInit(drv_adc_config_t *init)
{
#if defined(CJMCU) || defined(CC3D)
UNUSED(init);
#endif
uint8_t i;
uint8_t configuredAdcChannels = 0;
memset(&adcConfig, 0, sizeof(adcConfig));
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_StructInit(&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
#ifdef ADC1_GPIO
if (init->channelMask & ADC_CHANNEL1_ENABLE) {
GPIO_InitStructure.GPIO_Pin = ADC1_GPIO_PIN;
GPIO_Init(ADC1_GPIO, &GPIO_InitStructure);
adcConfig[ADC_CHANNEL_1].adcChannel = ADC1_CHANNEL;
adcConfig[ADC_CHANNEL_1].dmaIndex = configuredAdcChannels++;
adcConfig[ADC_CHANNEL_1].enabled = true;
adcConfig[ADC_CHANNEL_1].sampleTime = ADC_SampleTime_239Cycles5;
}
#endif
#ifdef ADC2_GPIO
if (init->channelMask & ADC_CHANNEL2_ENABLE) {
GPIO_InitStructure.GPIO_Pin = ADC2_GPIO_PIN;
GPIO_Init(ADC2_GPIO, &GPIO_InitStructure);
adcConfig[ADC_CHANNEL_2].adcChannel = ADC2_CHANNEL;
adcConfig[ADC_CHANNEL_2].dmaIndex = configuredAdcChannels++;
adcConfig[ADC_CHANNEL_2].enabled = true;
adcConfig[ADC_CHANNEL_2].sampleTime = ADC_SampleTime_239Cycles5;
}
#endif
#ifdef ADC3_GPIO
if (init->channelMask & ADC_CHANNEL3_ENABLE) {
GPIO_InitStructure.GPIO_Pin = ADC3_GPIO_PIN;
GPIO_Init(ADC3_GPIO, &GPIO_InitStructure);
adcConfig[ADC_CHANNEL_3].adcChannel = ADC3_CHANNEL;
adcConfig[ADC_CHANNEL_3].dmaIndex = configuredAdcChannels++;
adcConfig[ADC_CHANNEL_3].enabled = true;
adcConfig[ADC_CHANNEL_3].sampleTime = ADC_SampleTime_239Cycles5;
}
#endif
#ifdef ADC4_GPIO
if (init->channelMask & ADC_CHANNEL4_ENABLE) {
GPIO_InitStructure.GPIO_Pin = ADC4_GPIO_PIN;
GPIO_Init(ADC4_GPIO, &GPIO_InitStructure);
adcConfig[ADC_CHANNEL_4].adcChannel = ADC4_CHANNEL;
adcConfig[ADC_CHANNEL_4].dmaIndex = configuredAdcChannels++;
adcConfig[ADC_CHANNEL_4].enabled = true;
adcConfig[ADC_CHANNEL_4].sampleTime = ADC_SampleTime_239Cycles5;
}
#endif
RCC_ADCCLKConfig(RCC_PCLK2_Div8); // 9MHz from 72MHz APB2 clock(HSE), 8MHz from 64MHz (HSI)
RCC_AHBPeriphClockCmd(ADC_AHB_PERIPHERAL, ENABLE);
RCC_APB2PeriphClockCmd(ADC_ABP2_PERIPHERAL, ENABLE);
// FIXME ADC driver assumes all the GPIO was already placed in 'AIN' mode
DMA_DeInit(ADC_DMA_CHANNEL);
DMA_InitTypeDef DMA_InitStructure;
DMA_StructInit(&DMA_InitStructure);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC_INSTANCE->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)adcValues;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = configuredAdcChannels;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = configuredAdcChannels > 1 ? DMA_MemoryInc_Enable : DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(ADC_DMA_CHANNEL, &DMA_InitStructure);
DMA_Cmd(ADC_DMA_CHANNEL, ENABLE);
ADC_InitTypeDef ADC_InitStructure;
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = configuredAdcChannels > 1 ? ENABLE : DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = configuredAdcChannels;
ADC_Init(ADC_INSTANCE, &ADC_InitStructure);
uint8_t rank = 1;
for (i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcConfig[i].enabled) {
continue;
}
ADC_RegularChannelConfig(ADC_INSTANCE, adcConfig[i].adcChannel, rank++, adcConfig[i].sampleTime);
}
ADC_DMACmd(ADC_INSTANCE, ENABLE);
ADC_Cmd(ADC_INSTANCE, ENABLE);
ADC_ResetCalibration(ADC_INSTANCE);
while(ADC_GetResetCalibrationStatus(ADC_INSTANCE));
ADC_StartCalibration(ADC_INSTANCE);
while(ADC_GetCalibrationStatus(ADC_INSTANCE));
ADC_SoftwareStartConvCmd(ADC_INSTANCE, ENABLE);
}
void BSP_Init (void)
{
USART_InitTypeDef USART_InitStructure;
/* USARTx configuration ------------------------------------------------------*/
/* USARTx configured as follow:
- BaudRate = 115200 baud
- Word Length = 8 Bits
- One Stop Bit
- No parity
- Hardware flow control disabled (RTS and CTS signals)
- Receive and transmit enabled
*/
USART_InitStructure.USART_BaudRate = 9600;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No ;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
RCC_DeInit();
RCC_HSEConfig(RCC_HSE_ON);
RCC_WaitForHSEStartUp();
RCC_HCLKConfig(RCC_SYSCLK_Div1);
RCC_PCLK2Config(RCC_HCLK_Div1);
RCC_PCLK1Config(RCC_HCLK_Div2);
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
FLASH_SetLatency(FLASH_Latency_2);
FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
RCC_PLLCmd(ENABLE);
while (RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET) {
;
}
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
while (RCC_GetSYSCLKSource() != 0x08) {
;
}
/*
SCU_AHBPeriphClockConfig(__VIC,ENABLE);
//VIC_DeInit();
VIC_Config(UART1_ITLine, VIC_IRQ, 15);
VIC_ITCmd(UART1_ITLine, ENABLE);
*/
BSP_ADC_Init(); /* Initialize the I/Os for the ADC controls. */
BSP_LED_Init(); /* Initialize the I/Os for the LED controls. */
BSP_PB_Init(); /* Initialize the I/Os for the PB control. */
// BSP_Joystick_Init(); /* Initialize the I/Os for the Joystick control. */
GPIO_Configuration();
USART_Init(USART1,&USART_InitStructure);
USART_Cmd(USART1, ENABLE);
UART2_int();
}
void SampleChannel_Init()
{
NVIC_InitTypeDef NVIC_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA| RCC_APB2Periph_AFIO, ENABLE);
GPIO_InitStructure.GPIO_Pin = ADC_CHANNEL10_PIN | ADC_CHANNEL11_PIN
| ADC_CHANNEL12_PIN | ADC_CHANNEL14_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; //端口模式为模拟输入方式
GPIO_Init(ADC_PORT, &GPIO_InitStructure);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM8, ENABLE);
TIM_DeInit(TIM8);
TIM_TimeBaseStructure.TIM_Period = 1000000 / 1000 - 1;
TIM_TimeBaseStructure.TIM_Prescaler = 71;
TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM8, &TIM_TimeBaseStructure);
TIM_SelectOutputTrigger(TIM8, TIM_TRGOSource_Update);
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_ADC1_ETRGREG, ENABLE);
ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_Ext_IT11_TIM8_TRGO;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 4;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 1, ADC_SampleTime_71Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 2, ADC_SampleTime_71Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 3, ADC_SampleTime_71Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 4, ADC_SampleTime_71Cycles5);
ADC_DiscModeChannelCountConfig(ADC1, 1);
ADC_DiscModeCmd(ADC1, ENABLE);
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while (ADC_GetResetCalibrationStatus(ADC1))
;
ADC_StartCalibration(ADC1);
while (ADC_GetCalibrationStatus(ADC1))
;
ADC_ExternalTrigConvCmd(ADC1, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_ADDRESS;
DMA_InitStructure.DMA_MemoryBaseAddr = (u32) (&ADCBuff);
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = ADCNUM;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_Medium;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_ClearFlag(DMA1_IT_TC1 | DMA1_IT_HT1);
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC | DMA_IT_HT, ENABLE);
DMA_Cmd(DMA1_Channel1, ENABLE);
}
/*
* @brief Initialize the ADC peripheral.
*/
void ADC_DMA_Init()
{
//Using "Dual Slow Interleaved ADC Mode" to achieve higher input impedance
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
// ADCCLK = PCLK2/6 = 72/6 = 12MHz
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
// Enable DMA1 clock
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
// Enable ADC1 and ADC2 clock
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_ADC2, ENABLE);
// DMA1 channel1 configuration
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_ADDRESS;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ADC_DualConvertedValues;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = ADC_DMA_BUFFERSIZE;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
// ADC1 configuration
ADC_InitStructure.ADC_Mode = ADC_Mode_SlowInterl;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
// ADC2 configuration
ADC_InitStructure.ADC_Mode = ADC_Mode_SlowInterl;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC2, &ADC_InitStructure);
// Enable ADC1
ADC_Cmd(ADC1, ENABLE);
// Enable ADC1 reset calibration register
ADC_ResetCalibration(ADC1);
// Check the end of ADC1 reset calibration register
while(ADC_GetResetCalibrationStatus(ADC1));
// Start ADC1 calibration
ADC_StartCalibration(ADC1);
// Check the end of ADC1 calibration
while(ADC_GetCalibrationStatus(ADC1));
// Enable ADC2
ADC_Cmd(ADC2, ENABLE);
// Enable ADC2 reset calibration register
ADC_ResetCalibration(ADC2);
// Check the end of ADC2 reset calibration register
while(ADC_GetResetCalibrationStatus(ADC2));
// Start ADC2 calibration
ADC_StartCalibration(ADC2);
// Check the end of ADC2 calibration
while(ADC_GetCalibrationStatus(ADC2));
}
/* 函数名：ADC1_Mode_Config
* 描述 ：配置ADC1的工作模式为MDA模式
* 输入 : 无
* 输出 ：无
* 调用 ：内部调用
*/
static void ADC1_Mode_Config(void)
{
DMA_InitTypeDef DMA_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
/* DMA channel1 configuration */
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address; // 外设基地址
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue; // AD转换值所存放的内存基地址 （就是给个地址）
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; // 外设作为数据传输的来源
DMA_InitStructure.DMA_BufferSize = 1; // 定义指定DMA通道 DMA缓存的大小
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; // 外设地址寄存器不变
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable; // 内存地址寄存器不变
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; // 数据宽度为16位
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; // HalfWord
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //工作在循环模式下
DMA_InitStructure.DMA_Priority = DMA_Priority_High; //高优先级
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; //没有设置为内存到内存的传输
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE); //ENABLE她
/* ADC1 configuration */
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; //独立工作模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //多通道
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //连续转换
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //由软件触发启动
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //Right
ADC_InitStructure.ADC_NbrOfChannel = 1; //仅一个通道转换
ADC_Init(ADC1, &ADC_InitStructure);
/*配置ADC时钟，为PCLK2的8分频，即9Hz*/
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
/* ADC1 regular channel16 configuration */
//设置采样通道IN16, 设置采样时间
ADC_RegularChannelConfig(ADC1, ADC_Channel_16, 1, ADC_SampleTime_239Cycles5);
//使能温度传感器和内部参考电压
ADC_TempSensorVrefintCmd(ENABLE);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
/********************************************************************************************************
* 函 数 名 : RCC_Configuration()
* 描 述 : 系统、外围设备时钟初始化
* 输入参数 : None.
* 输出参数 : None.
* 返 回 : None.
********************************************************************************************************/
void RCC_Configuration(void)
{ /* RCC system reset(for debug purpose) */
ErrorStatus HSEStartUpStatus;
RCC_DeInit();
/* Enable HSE */
RCC_HSEConfig(RCC_HSE_ON);
RCC_LSEConfig(RCC_LSE_OFF);
/* Wait till HSE is ready */
HSEStartUpStatus = RCC_WaitForHSEStartUp();
if(HSEStartUpStatus == SUCCESS)
{
/* Enable Prefetch Buffer */
FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
/* Flash 2 wait state */
FLASH_SetLatency(FLASH_Latency_2);
/* HCLK = SYSCLK */
RCC_HCLKConfig(RCC_SYSCLK_Div1);
/* PCLK2 = HCLK */
RCC_PCLK2Config(RCC_HCLK_Div1);
/* PCLK1 = HCLK/4 */
RCC_PCLK1Config(RCC_HCLK_Div2);
/* PLLCLK = 8MHz * 9 = 72 MHz */
RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
/* ADCCLK = PCLK2/4 */
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
/* Enable PLL */
RCC_PLLCmd(ENABLE);
/* Wait till PLL is ready */
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
{
}
/* Select PLL as system clock source */
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
/* Wait till PLL is used as system clock source */
while(RCC_GetSYSCLKSource() != 0x08)
{
}
}
/* GPIO clock enable */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB| RCC_APB2Periph_GPIOC
| RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE |RCC_APB2Periph_GPIOF|RCC_APB2Periph_GPIOG, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4,ENABLE);
/* Enable AFIO clocks */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
/* TIM2 clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
/* TIM3 clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
/* TIM4 clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
/* TIM5 clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM5, ENABLE);
/* TIM6 clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM6, ENABLE);
/* TIM7 clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM7, ENABLE);
/* USART1 clock enable */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1,ENABLE);
/* USART2 clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2,ENABLE);
/* USART3 clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3,ENABLE);
/* Enable I2C1 clocks */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
/* Enable ADC2 clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);
}
//----------------------------------------
static void Task_Led2(void* p_arg)//负责采集电压
{
GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
INT16U shu[4]={0};
INT16U *s;
vu16 ADC_ConvertedValue;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOA, ENABLE);
/* Configure PC.04 (ADC Channel14) as analog input -------------------------*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* DMA channel1 configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 2;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA channel1 */
//DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; //独立模式 CR1
ADC_InitStructure.ADC_ScanConvMode = ENABLE; //扫描模式使能
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //连续转换模式使能
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //启动转换的外部事件--无 CR2
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //转换后的数据右对齐
ADC_InitStructure.ADC_NbrOfChannel = 1; //转换的通道数为1
ADC_Init(ADC1, &ADC_InitStructure);
/* ADCCLK = PCLK2/4 */
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
/* ADC1 regular channel14 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_55Cycles5); //通道10采样时间
//ADC_DMACmd(ADC1, ENABLE); //允许ADC1进行DMA传送
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE); //使能ADC1
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1); //允许ADC1复位校准寄存器
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1)); //检测校准寄存器是否复位完成
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1); //启动ADC1 校准
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1)); //检测校准是否完成
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE); //软件触发启动ADC1转换
(void) p_arg;
while (1)
{
//while(0 == ADC_GetFlagStatus(ADC1,ADC_FLAG_EOC));
if(ADC_GetFlagStatus(ADC1,ADC_FLAG_EOC))
{
shu[2]=shu[1];
shu[1]=shu[0];
shu[0]=ADC_GetConversionValue(ADC1);//获得ADC1的转换数据
}
//shu[3]=0xff;
//USART_OUT(USART1,"ADC_%d!\r\n",shu[0]);
s=&shu[0]; //取出shu中的地址付给指针s
OSMboxPost(SeMbox,s);
OSTimeDlyHMSM(0, 0, 0, 500);
}
}
void adcInit(const adcConfig_t *config)
{
uint8_t configuredAdcChannels = 0;
memset(&adcOperatingConfig, 0, sizeof(adcOperatingConfig));
if (config->vbat.enabled) {
adcOperatingConfig[ADC_BATTERY].tag = config->vbat.ioTag;
}
if (config->rssi.enabled) {
adcOperatingConfig[ADC_RSSI].tag = config->rssi.ioTag; //RSSI_ADC_CHANNEL;
}
if (config->external1.enabled) {
adcOperatingConfig[ADC_EXTERNAL1].tag = config->external1.ioTag; //EXTERNAL1_ADC_CHANNEL;
}
if (config->current.enabled) {
adcOperatingConfig[ADC_CURRENT].tag = config->current.ioTag; //CURRENT_METER_ADC_CHANNEL;
}
ADCDevice device = adcDeviceByInstance(ADC_INSTANCE);
if (device == ADCINVALID)
return;
const adcDevice_t adc = adcHardware[device];
bool adcActive = false;
for (int i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcOperatingConfig[i].tag)
continue;
adcActive = true;
IOInit(IOGetByTag(adcOperatingConfig[i].tag), OWNER_ADC_BATT + i, 0);
IOConfigGPIO(IOGetByTag(adcOperatingConfig[i].tag), IO_CONFIG(GPIO_Mode_AIN, 0));
adcOperatingConfig[i].adcChannel = adcChannelByTag(adcOperatingConfig[i].tag);
adcOperatingConfig[i].dmaIndex = configuredAdcChannels++;
adcOperatingConfig[i].sampleTime = ADC_SampleTime_239Cycles5;
adcOperatingConfig[i].enabled = true;
}
if (!adcActive) {
return;
}
RCC_ADCCLKConfig(RCC_PCLK2_Div8); // 9MHz from 72MHz APB2 clock(HSE), 8MHz from 64MHz (HSI)
RCC_ClockCmd(adc.rccADC, ENABLE);
dmaInit(dmaGetIdentifier(adc.DMAy_Channelx), OWNER_ADC, 0);
DMA_DeInit(adc.DMAy_Channelx);
DMA_InitTypeDef DMA_InitStructure;
DMA_StructInit(&DMA_InitStructure);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&adc.ADCx->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)adcValues;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = configuredAdcChannels;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = configuredAdcChannels > 1 ? DMA_MemoryInc_Enable : DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(adc.DMAy_Channelx, &DMA_InitStructure);
DMA_Cmd(adc.DMAy_Channelx, ENABLE);
ADC_InitTypeDef ADC_InitStructure;
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = configuredAdcChannels > 1 ? ENABLE : DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = configuredAdcChannels;
ADC_Init(adc.ADCx, &ADC_InitStructure);
uint8_t rank = 1;
for (int i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcOperatingConfig[i].enabled) {
continue;
}
ADC_RegularChannelConfig(adc.ADCx, adcOperatingConfig[i].adcChannel, rank++, adcOperatingConfig[i].sampleTime);
}
ADC_DMACmd(adc.ADCx, ENABLE);
ADC_Cmd(adc.ADCx, ENABLE);
ADC_ResetCalibration(adc.ADCx);
while (ADC_GetResetCalibrationStatus(adc.ADCx));
ADC_StartCalibration(adc.ADCx);
while (ADC_GetCalibrationStatus(adc.ADCx));
ADC_SoftwareStartConvCmd(adc.ADCx, ENABLE);
}
void adcInit(){
memset(measLongTermBuffer, 0, sizeof(measLongTermBuffer));
memset(measLongTermMean, 0, sizeof(measLongTermMean));
measMeanPos = 0;
/* ADCCLK = PCLK2/4 */
RCC_ADCCLKConfig(RCC_PCLK2_Div4);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOA, ENABLE);
GPIO_InitTypeDef gpioInit;
gpioInit.GPIO_Pin = sharpPins[0] | sharpPins[1] | sharpPins[2] | sharpPins[3];
gpioInit.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(SHARP_PORT, &gpioInit);
gpioInit.GPIO_Pin = measPins[0] | measPins[1] | measPins[2];
GPIO_Init(MEAS_PORT, &gpioInit);
NVIC_InitTypeDef nvicInit;
nvicInit.NVIC_IRQChannel = ADC1_2_IRQn;
nvicInit.NVIC_IRQChannelPreemptionPriority = 0;
nvicInit.NVIC_IRQChannelSubPriority = 0;
nvicInit.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&nvicInit);
DMA_InitTypeDef dmaInit;
dmaInit.DMA_PeripheralBaseAddr = (uint32_t)&(ADC1->DR);
dmaInit.DMA_MemoryBaseAddr = (uint32_t)adcBuffer;
dmaInit.DMA_DIR = DMA_DIR_PeripheralSRC;
dmaInit.DMA_BufferSize = ADC_BUFFER;
dmaInit.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
dmaInit.DMA_MemoryInc = DMA_MemoryInc_Enable;
dmaInit.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
dmaInit.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
dmaInit.DMA_Mode = DMA_Mode_Circular;
dmaInit.DMA_Priority = DMA_Priority_Low;
dmaInit.DMA_M2M = DMA_M2M_Disable;
DMA_Init(ADC_DMA_CHANNEL, &dmaInit);
DMA_Cmd(ADC_DMA_CHANNEL, ENABLE);
ADC_InitTypeDef adcInit;
adcInit.ADC_Mode = ADC_Mode_Independent;
adcInit.ADC_ScanConvMode = ENABLE;
adcInit.ADC_ContinuousConvMode = DISABLE;
adcInit.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
adcInit.ADC_DataAlign = ADC_DataAlign_Right;
adcInit.ADC_NbrOfChannel = 7;
ADC_Init(ADC1, &adcInit);
ADC_RegularChannelConfig(ADC1, sharpChannels[0], sharpRanks[0], ADC_SampleTime_28Cycles5);
ADC_RegularChannelConfig(ADC1, sharpChannels[1], sharpRanks[1], ADC_SampleTime_28Cycles5);
ADC_RegularChannelConfig(ADC1, sharpChannels[2], sharpRanks[2], ADC_SampleTime_28Cycles5);
ADC_RegularChannelConfig(ADC1, sharpChannels[3], sharpRanks[3], ADC_SampleTime_28Cycles5);
ADC_RegularChannelConfig(ADC1, measChannels[0], measRanks[0], ADC_SampleTime_28Cycles5);
ADC_RegularChannelConfig(ADC1, measChannels[1], measRanks[1], ADC_SampleTime_28Cycles5);
ADC_RegularChannelConfig(ADC1, measChannels[2], measRanks[2], ADC_SampleTime_28Cycles5);
ADC_DMACmd(ADC1, ENABLE);
ADC_ITConfig(ADC1, ADC_IT_EOC, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
/* Start ADC1 Software Conversion */
//ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
void analogin_init(analogin_t *obj, PinName pin) {
ADC_TypeDef *adc;
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
// Get the peripheral name from the pin and assign it to the object
obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC);
if (obj->adc == (ADCName)NC) {
error("ADC pin mapping failed");
}
// Configure GPIO
pinmap_pinout(pin, PinMap_ADC);
// Save pin number for the read function
obj->pin = pin;
// The ADC initialization is done once
if (adc_inited == 0) {
adc_inited = 1;
// Get ADC registers structure address
adc = (ADC_TypeDef *)(obj->adc);
// Enable ADC clock
RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div1);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ADC12, ENABLE);
// Calibration
ADC_VoltageRegulatorCmd(adc, ENABLE);
wait_us(10);
ADC_SelectCalibrationMode(adc, ADC_CalibrationMode_Single);
ADC_StartCalibration(adc);
while (ADC_GetCalibrationStatus(adc) != RESET) {}
// Configure ADC
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Clock = ADC_Clock_AsynClkMode;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_DMAMode = ADC_DMAMode_OneShot;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = 0;
ADC_CommonInit(adc, &ADC_CommonInitStructure);
ADC_InitStructure.ADC_ContinuousConvMode = ADC_ContinuousConvMode_Disable;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ExternalTrigConvEvent = ADC_ExternalTrigConvEvent_0;
ADC_InitStructure.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_OverrunMode = ADC_OverrunMode_Disable;
ADC_InitStructure.ADC_AutoInjMode = ADC_AutoInjec_Disable;
ADC_InitStructure.ADC_NbrOfRegChannel = 1;
ADC_Init(adc, &ADC_InitStructure);
// Enable ADC
ADC_Cmd(adc, ENABLE);
while (!ADC_GetFlagStatus(adc, ADC_FLAG_RDY)) {}
}
}
/* 函数名：ADC1_Mode_Config
* 描述 ：配置ADC1的工作模式为DMA模式
* 输入 : 无
* 输出 ：无
* 调用 ：内部调用
*/
static void ADC1_Mode_Config(void)
{
DMA_InitTypeDef DMA_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* DMA channel1 configuration */
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address; //ADC地址
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue;//内存地址
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 96;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;//外设地址固定
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; //内存地址可变
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; //半字
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //循环传输
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* ADC1 configuration */
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; //独立ADC模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE ; //扫描模式，扫描模式用于多通道采集
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //开启连续转换模式，即不停地进行ADC转换
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //不使用外部触发转换
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //采集数据右对齐
ADC_InitStructure.ADC_NbrOfChannel = 3; //要转换的通道数目3
ADC_Init(ADC1, &ADC_InitStructure);
/*配置ADC时钟，为PCLK2的8分频，即9MHz*/
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
/*配置ADC1的通道2.1.0为239.5个采样周期，序列为3,2,1,转换两路需要53.2us */
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 3, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 2, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_239Cycles5);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/*复位校准寄存器 */
ADC_ResetCalibration(ADC1);
/*等待校准寄存器复位完成 */
while(ADC_GetResetCalibrationStatus(ADC1));
/* ADC校准 */
ADC_StartCalibration(ADC1);
/* 等待校准完成*/
while(ADC_GetCalibrationStatus(ADC1));
/* Enable DMA channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/*Enable interruput of DMA1_Channel1 */
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC, ENABLE);
/* 由于没有采用外部触发，所以使用软件触发ADC转换 */
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
// Enable the DMA Interrupt
}
void adcInit(const adcConfig_t *config)
{
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
uint8_t adcChannelCount = 0;
memset(&adcOperatingConfig, 0, sizeof(adcOperatingConfig));
if (config->vbat.enabled) {
adcOperatingConfig[ADC_BATTERY].tag = config->vbat.ioTag;
}
if (config->rssi.enabled) {
adcOperatingConfig[ADC_RSSI].tag = config->rssi.ioTag; //RSSI_ADC_CHANNEL;
}
if (config->external1.enabled) {
adcOperatingConfig[ADC_EXTERNAL1].tag = config->external1.ioTag; //EXTERNAL1_ADC_CHANNEL;
}
if (config->current.enabled) {
adcOperatingConfig[ADC_CURRENT].tag = config->current.ioTag; //CURRENT_METER_ADC_CHANNEL;
}
ADCDevice device = adcDeviceByInstance(ADC_INSTANCE);
if (device == ADCINVALID)
return;
#ifdef ADC24_DMA_REMAP
SYSCFG_DMAChannelRemapConfig(SYSCFG_DMARemap_ADC2ADC4, ENABLE);
#endif
adcDevice_t adc = adcHardware[device];
bool adcActive = false;
for (int i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcVerifyPin(adcOperatingConfig[i].tag, device)) {
continue;
}
adcActive = true;
IOInit(IOGetByTag(adcOperatingConfig[i].tag), OWNER_ADC_BATT + i, 0);
IOConfigGPIO(IOGetByTag(adcOperatingConfig[i].tag), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
adcOperatingConfig[i].adcChannel = adcChannelByTag(adcOperatingConfig[i].tag);
adcOperatingConfig[i].dmaIndex = adcChannelCount++;
adcOperatingConfig[i].sampleTime = ADC_SampleTime_601Cycles5;
adcOperatingConfig[i].enabled = true;
}
if (!adcActive) {
return;
}
if ((device == ADCDEV_1) || (device == ADCDEV_2)) {
// enable clock for ADC1+2
RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div256); // 72 MHz divided by 256 = 281.25 kHz
} else {
// enable clock for ADC3+4
RCC_ADCCLKConfig(RCC_ADC34PLLCLK_Div256); // 72 MHz divided by 256 = 281.25 kHz
}
RCC_ClockCmd(adc.rccADC, ENABLE);
dmaInit(dmaGetIdentifier(adc.DMAy_Channelx), OWNER_ADC, 0);
DMA_DeInit(adc.DMAy_Channelx);
DMA_StructInit(&DMA_InitStructure);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&adc.ADCx->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)adcValues;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = adcChannelCount;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = adcChannelCount > 1 ? DMA_MemoryInc_Enable : DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(adc.DMAy_Channelx, &DMA_InitStructure);
DMA_Cmd(adc.DMAy_Channelx, ENABLE);
// calibrate
ADC_VoltageRegulatorCmd(adc.ADCx, ENABLE);
delay(10);
ADC_SelectCalibrationMode(adc.ADCx, ADC_CalibrationMode_Single);
ADC_StartCalibration(adc.ADCx);
while (ADC_GetCalibrationStatus(adc.ADCx) != RESET);
ADC_VoltageRegulatorCmd(adc.ADCx, DISABLE);
ADC_CommonInitTypeDef ADC_CommonInitStructure;
ADC_CommonStructInit(&ADC_CommonInitStructure);
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Clock = ADC_Clock_SynClkModeDiv4;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_1;
ADC_CommonInitStructure.ADC_DMAMode = ADC_DMAMode_Circular;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = 0;
ADC_CommonInit(adc.ADCx, &ADC_CommonInitStructure);
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_ContinuousConvMode = ADC_ContinuousConvMode_Enable;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ExternalTrigConvEvent = ADC_ExternalTrigConvEvent_0;
ADC_InitStructure.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_OverrunMode = ADC_OverrunMode_Disable;
ADC_InitStructure.ADC_AutoInjMode = ADC_AutoInjec_Disable;
ADC_InitStructure.ADC_NbrOfRegChannel = adcChannelCount;
ADC_Init(adc.ADCx, &ADC_InitStructure);
uint8_t rank = 1;
for (int i = 0; i < ADC_CHANNEL_COUNT; i++) {
if (!adcOperatingConfig[i].enabled) {
continue;
}
ADC_RegularChannelConfig(adc.ADCx, adcOperatingConfig[i].adcChannel, rank++, adcOperatingConfig[i].sampleTime);
}
ADC_Cmd(adc.ADCx, ENABLE);
while (!ADC_GetFlagStatus(adc.ADCx, ADC_FLAG_RDY));
ADC_DMAConfig(adc.ADCx, ADC_DMAMode_Circular);
ADC_DMACmd(adc.ADCx, ENABLE);
ADC_StartConversion(adc.ADCx);
}
void ADC_Config(void)
{
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_2;
GPIO_Init(GPIOA, &GPIO_InitStructure);
TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
TIM_TimeBaseStructure.TIM_Period = 24;
TIM_TimeBaseStructure.TIM_Prescaler = 224;
TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);
/* TIM1 channel1 configuration in PWM mode */
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_Pulse = 0x7F;
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
TIM_OC1Init(TIM1, &TIM_OCInitStructure);
/* DMA1 channel1 configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ADCConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 5*256;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 5;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel11 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 2, ADC_SampleTime_239Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 3, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 4, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 5, ADC_SampleTime_55Cycles5);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
//Clock configuration
static void prvClockInit(void)
{
ErrorStatus HSEStartUpStatus;
RCC_DeInit();
/* Enable HSE */
RCC_HSEConfig(RCC_HSE_ON);
/* Wait till HSE is ready */
HSEStartUpStatus = RCC_WaitForHSEStartUp();
if (HSEStartUpStatus == SUCCESS)
{
/* Enable Prefetch Buffer */
FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
/* Flash 2 wait state */
FLASH_SetLatency(FLASH_Latency_2);
/* HCLK = SYSCLK */
RCC_HCLKConfig(RCC_SYSCLK_Div1);
/* PCLK2 = HCLK */
RCC_PCLK2Config(RCC_HCLK_Div1);
/* PCLK1 = HCLK/2 */
RCC_PCLK1Config(RCC_HCLK_Div2);
/* ADCCLK = PCLK2/6 = 72 / 6 = 12 MHz*/
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
/* PLLCLK = 16MHz/2 * 9 = 72 MHz */
RCC_PLLConfig(RCC_PLLSource_HSE_Div2, RCC_PLLMul_9);
/* Enable PLL */
RCC_PLLCmd(ENABLE);
/* Wait till PLL is ready */
while (RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET);
/* Select PLL as system clock source */
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
/* Wait till PLL is used as system clock source */
while(RCC_GetSYSCLKSource() != 0x08);
} else {
GPIO_InitTypeDef GPIO_InitStructure;
//Cannot start the main oscillator: red/green LED of death...
GPIO_InitStructure.GPIO_Pin = LED_GPIO_RED | LED_GPIO_GREEN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_ResetBits(GPIOB, LED_RED);
GPIO_ResetBits(GPIOB, LED_GREEN);
//Cannot start xtal oscillator!
while(1);
}
}
void ADC_Configuration(void)
{
ADC1_Convertion_buff=malloc(ADC_BUFF_SIZE); //64 samples * 2 for interleaving, * 2bytes/sample==256
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
/* PCLK2 is the APB2 clock */
/* ADCCLK = PCLK2/6 = 72/6 = 12MHz*/
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
/* Enable ADC1,2 clock so that we can talk to them */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);
/*Enable the DMA1 clk*/
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
/* Put everything back to power-on defaults */
ADC_DeInit(ADC1);
ADC_DeInit(ADC2);
/* ADC2 Configuration ------------------------------------------------------*/
/* ADC1 and ADC2 operate independently */
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
/* Enable the scan conversion so we do three at a time */
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
/* Don't do contimuous conversions - do them on demand */
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
/* Start conversin by software, not an external trigger */
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
/* Conversions are 12 bit - put them in the lower 12 bits of the result */
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
/* Say how many channels would be used by the sequencer */
ADC_InitStructure.ADC_NbrOfChannel = 1;
/* Now do the setup */
ADC_Init(ADC2, &ADC_InitStructure);
/* ADC2 injected channel configuration */
#if BOARD<3
ADC_InjectedSequencerLengthConfig(ADC2, 2);//two conversions
#else
ADC_InjectedSequencerLengthConfig(ADC2, 3);//three conversions on the version 3 pcb - thermistor on the sensor
#endif
ADC_InjectedChannelConfig(ADC2, PRESSURE_ADC_CHAN, 1, ADC_SampleTime_239Cycles5);
//ADC_InjectedChannelConfig(ADC2, 16, 3, ADC_SampleTime_239Cycles5);//on die temperature sensor - only on adc1 :-(
ADC_InjectedChannelConfig(ADC2, BATTERY_ADC_CHAN, 2, ADC_SampleTime_239Cycles5);
#if BOARD>=3
ADC_InjectedChannelConfig(ADC2, THERMISTOR_ADC_CHAN, 3, ADC_SampleTime_239Cycles5);
#endif
ADC_ExternalTrigInjectedConvConfig(ADC2, ADC_ExternalTrigInjecConv_None);//set sw injected channels
/* Set the analogue watchdog on the battery voltage conversion*/
ADC_AnalogWatchdogCmd(ADC2,ADC_AnalogWatchdog_SingleInjecEnable);
ADC_AnalogWatchdogThresholdsConfig(ADC2,0x0FFF,(uint16_t)((float)SAMPLING_FACTOR*MINIMUM_VOLTAGE));//watchdog fires on low voltage
ADC_AnalogWatchdogSingleChannelConfig(ADC2, BATTERY_ADC_CHAN);//set the watchdog to the battery voltage channel
ADC_ITConfig(ADC2, ADC_IT_AWD, ENABLE);//enable the analogue watchdog interrupt
/* Enable the die temperature sensing and vref internal inputs to adc1*/
//ADC_TempSensorVrefintCmd(ENABLE);
/* Enable ADC2 */
ADC_Cmd(ADC2, ENABLE);
/* Enable ADC2 reset calibaration register */
ADC_ResetCalibration(ADC2);
/* Check the end of ADC2 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC2));
/* Start ADC2 calibaration */
ADC_StartCalibration(ADC2);
/* Check the end of ADC2 calibration */
while(ADC_GetCalibrationStatus(ADC2));
readADC2(BATTERY_ADC_CHAN);//Have to flush this for some reason
/* ADC2 is now set up - move the ADC1 using DMA*/
/* DMA1 channel1(ADC1) configuration -------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_StructInit(&DMA_InitStructure);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC1->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADC1_Convertion_buff;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = ADC_BUFF_SIZE/2;//2bytes/sample
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC | DMA_IT_HT, ENABLE);//interrupt on complete and half complete
DMA_ClearFlag(DMA1_FLAG_TC1|DMA1_FLAG_HT1); //make sure flags are clear
/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel configuration */
ADC_RegularChannelConfig(ADC1, CRT_PPG_ADC_CHAN, 1, ADC_SampleTime_1Cycles5);/*239Cycles5);*/
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Calibrate the ADC1*/
ADC_ResetCalibration(ADC1);
while (ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while (ADC_GetCalibrationStatus(ADC1));
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
/* Enable the NVIC interrupt */
DMA_ISR_Config();
}
void ADCwithDMA_Config(void){
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
//DMA
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
/* PCLK2 is the APB2 clock */
/* ADCCLK = PCLK2/6 = 72/6 = 12MHz*/
RCC_ADCCLKConfig(RCC_PCLK2_Div6);
/* Enable ADC1 clock so that we can talk to it */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
/* Put everything back to power-on defaults */
ADC_DeInit(ADC1);
/* DMA1 channel1 configuration ----------------------------------------------*/
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&(ADC.raw[0]);
// Data direction: Peripheral is source
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
// Data Buffer Size
DMA_InitStructure.DMA_BufferSize = 9;
// Do not increment Peripheral Address Register
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
// Do increment destination memory pointer
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
// Transport data repeatedly
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
// Memory to Memory Mode Disabled
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
// Enable DMA Channel
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
#ifdef ADC_DMA_TransferCompleteInterrupt
/* Enable DMA1 Channel Transfer Complete interrupt */
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC, ENABLE);
#endif //ADC_DMA_TransferCompleteInterrupt
/* Enable DMA1 channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC1 configuration ------------------------------------------------------*/
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
// number of ADC channels that will be converted using the sequencer
ADC_InitStructure.ADC_NbrOfChannel = 9;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channels configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_71Cycles5); //AIN0
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 2, ADC_SampleTime_71Cycles5); //AIN1
ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 3, ADC_SampleTime_71Cycles5); //MOTORCURRENT
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 4, ADC_SampleTime_71Cycles5); //THERM0
ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 5, ADC_SampleTime_71Cycles5); //THERM1
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 6, ADC_SampleTime_71Cycles5); //PVCC
ADC_RegularChannelConfig(ADC1, ADC_Channel_15, 7, ADC_SampleTime_71Cycles5); //24V
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 8, ADC_SampleTime_71Cycles5); //12V
ADC_RegularChannelConfig(ADC1, ADC_Channel_9, 9, ADC_SampleTime_71Cycles5); //5V
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
ADC.uVoltsPerUnit = 7975;
ADC.unitsOffset = 0;
ADC.logicZeroMax_mV = 6000;
ADC.logicOneMin_mV = 18000;
}
void adcInit(void)
{
ADC_CommonInitTypeDef ADC_CommonInitStructure;
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
ADC_CommonStructInit(&ADC_CommonInitStructure);
ADC_StructInit(&ADC_InitStructure);
DMA_StructInit(&DMA_InitStructure);
GPIO_StructInit(&GPIO_InitStructure);
///////////////////////////////////
RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div256); // 72 MHz divided by 256 = 281.25 kHz
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ADC12, ENABLE);
///////////////////////////////////
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC1->DR;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)adc1ConvertedValues;
//DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 2;
//DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
//DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_Cmd(DMA1_Channel1, ENABLE);
///////////////////////////////////
GPIO_InitStructure.GPIO_Pin = VBATT_PIN | DIFF_PRESSURE_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
//GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
//GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
//GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOC, &GPIO_InitStructure);
///////////////////////////////////
ADC_VoltageRegulatorCmd(ADC1, ENABLE);
delay(10);
ADC_SelectCalibrationMode(ADC1, ADC_CalibrationMode_Single);
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1) != RESET );
///////////////////////////////////
//ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
//ADC_CommonInitStructure.ADC_Clock = ADC_Clock_AsynClkMode;
//ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_DMAMode = ADC_DMAMode_Circular;
//ADC_CommonInitStructure.ADC_TwoSamplingDelay = 0;
ADC_CommonInit(ADC1, &ADC_CommonInitStructure);
///////////////////////////////////
ADC_InitStructure.ADC_ContinuousConvMode = ADC_ContinuousConvMode_Enable;
//ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
//ADC_InitStructure.ADC_ExternalTrigConvEvent = ADC_ExternalTrigConvEvent_0;
//ADC_InitStructure.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_None;
//ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
//ADC_InitStructure.ADC_OverrunMode = DISABLE;
//ADC_InitStructure.ADC_AutoInjMode = DISABLE;
ADC_InitStructure.ADC_NbrOfRegChannel = 2;
ADC_Init(ADC1, &ADC_InitStructure);
///////////////////////////////////
ADC_RegularChannelConfig(ADC1, VBATT_CHANNEL, 1, ADC_SampleTime_181Cycles5);
ADC_RegularChannelConfig(ADC1, DIFF_PRESSURE_CHANNEL, 2, ADC_SampleTime_181Cycles5);
ADC_Cmd(ADC1, ENABLE);
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_RDY));
ADC_DMAConfig(ADC1, ADC_DMAMode_Circular);
ADC_DMACmd(ADC1, ENABLE);
ADC_StartConversion(ADC1);
}
static void ADCSample_DMATransmit_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
/* Enable ADC1 and GPIOC clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 |RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC, ENABLE);
/* Configure PC. as analog input */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOC, &GPIO_InitStructure);
// GPIO_ResetBits(GPIOC , GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOB, &GPIO_InitStructure);
// GPIO_ResetBits(GPIOB , GPIO_Pin_0|GPIO_Pin_1);
#if 1
/* Enable DMA clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
/* DMA channel1 configuration */
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address; //ADC地址
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)ADC_Value_Raw;//内存地址
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = ADC_RANK_NUM;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; //内存地址递增
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; //半字
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; //循环传输
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* 开启DMA传输完成中断 */
DMA_ITConfig(DMA1_Channel1, DMA_IT_TC, ENABLE);
/* Enable DMA channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
#endif
/* ADC1 configuration */
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; //独立ADC模式
ADC_InitStructure.ADC_ScanConvMode = ENABLE ; //扫描模式用于多通道采集
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; //开启连续转换模式，即不停地进行ADC转换
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //不使用外部触发转换
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //采集数据右对齐
ADC_InitStructure.ADC_NbrOfChannel = ADC_RANK_NUM; //要转换的通道数目
ADC_Init(ADC1, &ADC_InitStructure);
/*配置ADC1的通道为55. 5个采样周期，序列为 */
#if 1
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, RANK_NO_1, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, RANK_NO_2, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_12, RANK_NO_3, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_13, RANK_NO_4, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, RANK_NO_5, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_15, RANK_NO_6, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, RANK_NO_7, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_9, RANK_NO_8, ADC_SampleTime_55Cycles5);
#endif
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/*复位校准寄存器 */
ADC_ResetCalibration(ADC1);
/*等待校准寄存器复位完成 */
while(ADC_GetResetCalibrationStatus(ADC1));
/* ADC校准 */
ADC_StartCalibration(ADC1);
/* 等待校准完成*/
while(ADC_GetCalibrationStatus(ADC1));
/* 由于没有采用外部触发，所以使用软件触发ADC转换 */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
/* Enable DMA channel1 */
// DMA_Cmd(DMA1_Channel1, ENABLE);
}
/* 函数名：ADC1_Mode_Config
* 描述 ：配置ADC1的工作模式为MDA模式
* 输入 : 无
* 输出 ：无
* 调用 ：内部调用
*/
static void ADC1_Mode_Config(void)
{
DMA_InitTypeDef DMA_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
/* Enable DMA clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
/* Enable ADC1 clock and GPIOC clock already enabled in GPIO.c */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
/* DMA channel1 configuration */
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_ConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 11;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
/* Enable DMA channel1 */
DMA_Cmd(DMA1_Channel1, ENABLE);
/* ADC1 configuration */
ADC_DeInit(ADC1); //??? ADC1 ????????????
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = ENABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 11;
ADC_Init(ADC1, &ADC_InitStructure);
/********************************/
RCC_ADCCLKConfig(RCC_PCLK2_Div6); //72M/6=12,ADC????????14M
/* ADC1 regular channel configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 1, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_6, 2, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 3, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 4, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_9, 5, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 6, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_11, 7, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 8, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_13, 9, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 10, ADC_SampleTime_55Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_15, 11, ADC_SampleTime_55Cycles5);
/* Enable ADC1 DMA */
ADC_DMACmd(ADC1, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);
/* Check the end of ADC1 reset calibration register */
while(ADC_GetResetCalibrationStatus(ADC1));
/* Start ADC1 calibaration */
ADC_StartCalibration(ADC1);
/* Check the end of ADC1 calibration */
while(ADC_GetCalibrationStatus(ADC1));
/* Start ADC1 Software Conversion */
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
int ybs_drv_init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
NVIC_InitTypeDef NVIC_InitStructure;
//mos ctrl, PB0, high off, low on
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
//adc, PA1, ADC12_IN1
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
RCC_ADCCLKConfig(RCC_PCLK2_Div8); /*72Mhz/8 = 9Mhz*/
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_DeInit(ADC1);
ADC_StructInit(&ADC_InitStructure);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_71Cycles5); //9Mhz/(71.5 + 12.5) = 107.1Khz
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 reset calibaration register */
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while (ADC_GetCalibrationStatus(ADC1));
ADC_Cmd(ADC1, ENABLE);
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
//TIM4 TIMEBASE
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
TIM_TimeBaseStructure.TIM_Period = YBS_US - 1;
TIM_TimeBaseStructure.TIM_Prescaler = 72 - 1; //Fapb1 = TIM_clk = 72Mhz, Tick = 1us
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;
TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure);
//TIM_ARRPreloadConfig(TIM4, ENABLE);
TIM_Cmd(TIM4, DISABLE);
TIM_ClearFlag(TIM4, TIM_FLAG_Update);
TIM_ITConfig(TIM4, TIM_IT_Update, ENABLE);
//IRQ OF TIM4
NVIC_InitStructure.NVIC_IRQChannel = TIM4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
//DAC
static const struct ad5663_cfg_s ad5663_cfg = {
.spi = &spi1,
.gpio_cs = SPI_1_NSS,
.gpio_ldac = SPI_CS_PA2,
.gpio_clr = SPI_CS_PA3,
};
dev_register("ad5663", &ad5663_cfg);
ybs_fd_dac = dev_open("dac0", 0);
dev_ioctl(ybs_fd_dac, DAC_SET_CH, 1); //for fast ch1 write purpose
return 0;
}