/**
* @brief Configure the TIMER peripheral.
* @param None
* @retval None
*/
void TIMER_Configuration(void)
{
/* ---------------------------------------------------------------------------
TIMER2 Configuration: Output Compare Toggle Mode:
TIMER2CLK = SystemCoreClock / 36000=2K,
CH2 update rate = TIMER2 counter clock / CHCC2 = 2000/4000 = 0.5 Hz
----------------------------------------------------------------------------*/
TIMER_BaseInitPara TIMER_TimeBaseStructure;
TIMER_OCInitPara TIMER_OCInitStructure;
/* TIMERS clock enable */
RCC_APB2PeriphClock_Enable(RCC_APB2PERIPH_TIMER1|RCC_APB2PERIPH_TIMER15|RCC_APB2PERIPH_TIMER16|RCC_APB2PERIPH_TIMER17,ENABLE);
RCC_APB1PeriphClock_Enable(RCC_APB1PERIPH_TIMER2|RCC_APB1PERIPH_TIMER3|RCC_APB1PERIPH_TIMER6|RCC_APB1PERIPH_TIMER14,ENABLE);
/* TIMER2 configuration */
TIMER_DeInit(TIMER2);
TIMER_TimeBaseStructure.TIMER_Prescaler = 35999;
TIMER_TimeBaseStructure.TIMER_CounterMode = TIMER_COUNTER_UP;
TIMER_TimeBaseStructure.TIMER_Period = 3999;
TIMER_TimeBaseStructure.TIMER_ClockDivision = TIMER_CDIV_DIV1;
TIMER_BaseInit(TIMER2,&TIMER_TimeBaseStructure);
/* CH2 Configuration in OC_TOGGLE mode */
TIMER_OCInitStructure.TIMER_OCMode = TIMER_OC_MODE_TOGGLE;
TIMER_OCInitStructure.TIMER_OCPolarity = TIMER_OC_POLARITY_HIGH;
TIMER_OCInitStructure.TIMER_OutputState = TIMER_OUTPUT_STATE_ENABLE;
TIMER_OCInitStructure.TIMER_Pulse = 3999;
TIMER_OC2_Init(TIMER2, &TIMER_OCInitStructure);
TIMER_OC2_Preload(TIMER2,TIMER_OC_PRELOAD_DISABLE);
/* Auto-reload preload enable */
TIMER_CARLPreloadConfig(TIMER2,ENABLE);
/* TIMER enable counter*/
TIMER_Enable( TIMER2, ENABLE );
}
//==================================================================================
void TIM3_init(void)
{
// TIMER3
RST_CLK_PCLKcmd(RST_CLK_PCLK_TIMER3,ENABLE);
/* Reset all TIMER3 settings */
TIMER_DeInit(MDR_TIMER3);
TIMER_BRGInit(MDR_TIMER3,TIMER_HCLKdiv1);
/* TIM3 configuration ------------------------------------------------*/
/* Initializes the TIMERx Counter ------------------------------------*/
sTIM_CntInit.TIMER_Prescaler = 0x10;
sTIM_CntInit.TIMER_Period = 0x200;
sTIM_CntInit.TIMER_CounterMode = TIMER_CntMode_ClkFixedDir;
sTIM_CntInit.TIMER_CounterDirection = TIMER_CntDir_Up;
sTIM_CntInit.TIMER_EventSource = TIMER_EvSrc_ETR;
sTIM_CntInit.TIMER_FilterSampling = TIMER_FDTS_TIMER_CLK_div_1;
sTIM_CntInit.TIMER_ARR_UpdateMode = TIMER_ARR_Update_Immediately;
sTIM_CntInit.TIMER_ETR_FilterConf = TIMER_Filter_1FF_at_TIMER_CLK;
sTIM_CntInit.TIMER_ETR_Prescaler = TIMER_ETR_Prescaler_None;
sTIM_CntInit.TIMER_ETR_Polarity = TIMER_ETRPolarity_NonInverted;
sTIM_CntInit.TIMER_BRK_Polarity = TIMER_BRKPolarity_NonInverted;
TIMER_CntInit (MDR_TIMER3,&sTIM_CntInit);
NVIC_EnableIRQ(Timer3_IRQn);
TIMER_ITConfig(MDR_TIMER3,TIMER_STATUS_CNT_ARR, ENABLE);
/* Enable TIMER3 */
TIMER_Cmd(MDR_TIMER3,ENABLE);
}
/**
* @brief Configure the TIMER peripheral.
* @param None
* @retval None
*/
void TIM_Configuration(void)
{
/* -----------------------------------------------------------------------
TIMER2 Configuration: Single Pulse Mode
The external signal is connected to TIMER2 CH1 pin (PA0) and the Rising
edge is used as active edge.
The Single Pulse signal is output on TIMER2 CH2 pin (PA1).
The TIMER2CLK frequency is set to SystemCoreClock (Hz),the Prescaler is
4,so the TIMER2 counter clock is 27MHz.
Single Pulse value = (TIMER2_Period - TIMER2_Pulse) / TIMER2 counter clock
= (65535 - 11535) / 27M = 2.0 ms.
----------------------------------------------------------------------- */
TIMER_BaseInitPara TIMER_TimeBaseStructure;
TIMER_OCInitPara TIMER_OCInitStructure;
TIMER_ICInitPara TIM_ICInitStructure;
/* TIMER2 clock enable */
RCC_APB1PeriphClock_Enable(RCC_APB1PERIPH_TIMER2,ENABLE);
/* TIMER2 configuration */
TIMER_DeInit(TIMER2);
TIMER_TimeBaseStructure.TIMER_Prescaler = 3;
TIMER_TimeBaseStructure.TIMER_CounterMode = TIMER_COUNTER_UP;
TIMER_TimeBaseStructure.TIMER_Period = 65535;
TIMER_TimeBaseStructure.TIMER_ClockDivision = TIMER_CDIV_DIV1;
TIMER_BaseInit(TIMER2,&TIMER_TimeBaseStructure);
/* TIMER2 CH2 Configuration in PWM2 mode */
TIMER_OCInitStructure.TIMER_OCMode = TIMER_OC_MODE_PWM2;
TIMER_OCInitStructure.TIMER_OCPolarity = TIMER_OC_POLARITY_HIGH;
TIMER_OCInitStructure.TIMER_OutputState = TIMER_OUTPUT_STATE_ENABLE;
TIMER_OCInitStructure.TIMER_OCIdleState = TIMER_OC_IDLE_STATE_RESET;
TIMER_OCInitStructure.TIMER_Pulse = 11535;
TIMER_OC2_Init(TIMER2, &TIMER_OCInitStructure);
TIMER_OC2_Preload(TIMER2,TIMER_OC_PRELOAD_DISABLE);
/* TIMER2 CH1 Input Capture Configuration */
TIM_ICInitStructure.TIMER_CH = TIMER_CH_1;
TIM_ICInitStructure.TIMER_ICPolarity = TIMER_IC_POLARITY_FALLING;
TIM_ICInitStructure.TIMER_ICSelection = TIMER_IC_SELECTION_DIRECTTI;
TIM_ICInitStructure.TIMER_ICPrescaler = TIMER_IC_PSC_DIV1;
TIM_ICInitStructure.TIMER_ICFilter = 0x00;
TIMER_ICInit( TIMER2, &TIM_ICInitStructure);
/* Single Pulse Mode selection */
TIMER_SinglePulseMode(TIMER2,TIMER_SP_MODE_SINGLE);
/* Slave Mode selection : TIMER4 */
/* TIMER2 Input trigger : External Trigger connected to TI1 */
TIMER_SelectInputTrigger( TIMER2, TIMER_TS_TI1FP1);
TIMER_SelectSlaveMode( TIMER2, TIMER_SLAVE_MODE_TRIGGER);
}
/**
* @brief Configure the TIMER peripheral.
* @param None
* @retval None
*/
void TIMER_Configuration(void)
{
/* TIMER1 DMA Transfer example -------------------------------------------------
TIMER1CLK = 72MHz, Prescaler = 72
TIMER1 counter clock = SystemCoreClock/72 = 1MHz.
The objective is to configure TIMER1 channel 1 to generate PWM
signal with a frequency equal to 1KHz and a variable duty cycle(25%,50%,75%) that is
changed by the DMA after a specific number of Update DMA request.
The number of this repetitive requests is defined by the TIMER1 Repetition counter,
each 2 Update Requests, the TIMER1 Channel 1 Duty Cycle changes to the next new
value defined by the buffer .
-----------------------------------------------------------------------------*/
TIMER_BaseInitPara TIMER_TimeBaseStructure;
TIMER_OCInitPara TIMER_OCInitStructure;
/* TIMERS clock enable */
RCC_APB2PeriphClock_Enable(RCC_APB2PERIPH_TIMER1|RCC_APB2PERIPH_TIMER15|RCC_APB2PERIPH_TIMER16|RCC_APB2PERIPH_TIMER17,ENABLE);
RCC_APB1PeriphClock_Enable(RCC_APB1PERIPH_TIMER2|RCC_APB1PERIPH_TIMER3|RCC_APB1PERIPH_TIMER6|RCC_APB1PERIPH_TIMER14,ENABLE);
/* TIMER1 configuration */
TIMER_DeInit(TIMER1);
TIMER_TimeBaseStructure.TIMER_Prescaler = 71;
TIMER_TimeBaseStructure.TIMER_CounterMode = TIMER_COUNTER_UP;
TIMER_TimeBaseStructure.TIMER_Period = 999;
TIMER_TimeBaseStructure.TIMER_ClockDivision = TIMER_CDIV_DIV1;
TIMER_TimeBaseStructure.TIMER_RepetitionCounter = 1;
TIMER_BaseInit(TIMER1,&TIMER_TimeBaseStructure);
/* CH1 Configuration in PWM mode */
TIMER_OCInitStructure.TIMER_OCMode = TIMER_OC_MODE_PWM1;
TIMER_OCInitStructure.TIMER_OCPolarity = TIMER_OC_POLARITY_HIGH;
TIMER_OCInitStructure.TIMER_OCNPolarity = TIMER_OCN_POLARITY_HIGH;
TIMER_OCInitStructure.TIMER_OutputState = TIMER_OUTPUT_STATE_ENABLE;
TIMER_OCInitStructure.TIMER_OutputNState = TIMER_OUTPUTN_STATE_ENABLE;
TIMER_OCInitStructure.TIMER_OCIdleState = TIMER_OC_IDLE_STATE_SET;
TIMER_OCInitStructure.TIMER_OCNIdleState = TIMER_OCN_IDLE_STATE_RESET;
TIMER_OCInitStructure.TIMER_Pulse = buffer[0];
TIMER_OC1_Init(TIMER1, &TIMER_OCInitStructure);
TIMER_OC1_Preload(TIMER1,TIMER_OC_PRELOAD_DISABLE);
/* TIMER1 output enable */
TIMER_CtrlPWMOutputs(TIMER1,ENABLE);
/* Auto-reload preload enable */
TIMER_CARLPreloadConfig(TIMER1,ENABLE);
/* TIMER1 Update DMA Request enable */
TIMER_DMACmd( TIMER1, TIMER_DMA_UPDATE, ENABLE);
/* TIMER enable counter*/
TIMER_Enable( TIMER1, ENABLE );
}
/**
* @brief Configure the TIMER peripheral.
* @param None
* @retval None
*/
void TIMER_Configuration(void)
{
/* ---------------------------------------------------------------
TIMER2 Configuration:
TIMER2CLK = SystemCoreClock / 36000 = 2K,
And generate 3 signals with 3 different delays:
TIMER2_CH1 delay = 4000/2000 = 2s
TIMER2_CH2 delay = 8000/2000 = 4s
TIMER2_CH3 delay = 12000/2000 = 6s
--------------------------------------------------------------- */
TIMER_BaseInitPara TIMER_TimeBaseStructure;
TIMER_OCInitPara TIMER_OCInitStructure;
/* TIMERS clock enable */
RCC_APB2PeriphClock_Enable(RCC_APB2PERIPH_TIMER1|RCC_APB2PERIPH_TIMER15|RCC_APB2PERIPH_TIMER16|RCC_APB2PERIPH_TIMER17,ENABLE);
RCC_APB1PeriphClock_Enable(RCC_APB1PERIPH_TIMER2|RCC_APB1PERIPH_TIMER3|RCC_APB1PERIPH_TIMER6|RCC_APB1PERIPH_TIMER14,ENABLE);
/* TIMER2 configuration */
TIMER_DeInit(TIMER2);
TIMER_TimeBaseStructure.TIMER_Prescaler = 35999;
TIMER_TimeBaseStructure.TIMER_CounterMode = TIMER_COUNTER_UP;
TIMER_TimeBaseStructure.TIMER_Period = 19999;
TIMER_TimeBaseStructure.TIMER_ClockDivision = TIMER_CDIV_DIV1;
TIMER_BaseInit(TIMER2,&TIMER_TimeBaseStructure);
/* CH1,CH2 and CH3 Configuration in OC_ACTIVE mode */
TIMER_OCInitStructure.TIMER_OCMode = TIMER_OC_MODE_ACTIVE;
TIMER_OCInitStructure.TIMER_OCPolarity = TIMER_OC_POLARITY_HIGH;
TIMER_OCInitStructure.TIMER_OutputState = TIMER_OUTPUT_STATE_ENABLE;
TIMER_OCInitStructure.TIMER_Pulse = 3999;
TIMER_OC1_Init(TIMER2, &TIMER_OCInitStructure);
TIMER_OC1_Preload(TIMER2,TIMER_OC_PRELOAD_DISABLE);
TIMER_OCInitStructure.TIMER_Pulse = 7999;
TIMER_OC2_Init(TIMER2, &TIMER_OCInitStructure);
TIMER_OC2_Preload(TIMER2,TIMER_OC_PRELOAD_DISABLE);
TIMER_OCInitStructure.TIMER_Pulse = 11999;
TIMER_OC3_Init(TIMER2, &TIMER_OCInitStructure);
TIMER_OC3_Preload(TIMER2,TIMER_OC_PRELOAD_DISABLE);
/* Auto-reload preload enable */
TIMER_CARLPreloadConfig(TIMER2,ENABLE);
/* TIMER enable counter*/
TIMER_Enable( TIMER2, ENABLE );
}
/**
* @brief Configure the TIMER peripheral.
* @param None
* @retval None
*/
void TIMER_Configuration(void)
{
/* -----------------------------------------------------------------------
TIMER2 Configuration: generate 3 PWM signals with 3 different duty cycles:
TIMER2CLK = SystemCoreClock / 72 = 1MHz
TIMER2 Channel2 duty cycle = (4000/ 16000)* 100 = 25%
TIMER2 Channel3 duty cycle = (8000/ 16000)* 100 = 50%
TIMER2 Channel4 duty cycle = (12000/ 16000)* 100 = 75%
----------------------------------------------------------------------- */
TIMER_BaseInitPara TIMER_TimeBaseStructure;
TIMER_OCInitPara TIMER_OCInitStructure;
/* TIMERS clock enable */
RCC_APB2PeriphClock_Enable(RCC_APB2PERIPH_TIMER1|RCC_APB2PERIPH_TIMER15|RCC_APB2PERIPH_TIMER16|RCC_APB2PERIPH_TIMER17,ENABLE);
RCC_APB1PeriphClock_Enable(RCC_APB1PERIPH_TIMER2|RCC_APB1PERIPH_TIMER3|RCC_APB1PERIPH_TIMER6|RCC_APB1PERIPH_TIMER14,ENABLE);
/* TIMER2 configuration */
TIMER_DeInit(TIMER2);
TIMER_TimeBaseStructure.TIMER_Prescaler = 71;
TIMER_TimeBaseStructure.TIMER_CounterMode = TIMER_COUNTER_UP;
TIMER_TimeBaseStructure.TIMER_Period = 15999;
TIMER_TimeBaseStructure.TIMER_ClockDivision = TIMER_CDIV_DIV1;
TIMER_BaseInit(TIMER2,&TIMER_TimeBaseStructure);
/* CH2,CH3 and CH4 Configuration in PWM mode */
TIMER_OCInitStructure.TIMER_OCMode = TIMER_OC_MODE_PWM1;
TIMER_OCInitStructure.TIMER_OCPolarity = TIMER_OC_POLARITY_HIGH;
TIMER_OCInitStructure.TIMER_OutputState = TIMER_OUTPUT_STATE_ENABLE;
TIMER_OCInitStructure.TIMER_Pulse = 3999;
TIMER_OC2_Init(TIMER2, &TIMER_OCInitStructure);
TIMER_OC2_Preload(TIMER2,TIMER_OC_PRELOAD_DISABLE);
TIMER_OCInitStructure.TIMER_Pulse = 7999;
TIMER_OC3_Init(TIMER2, &TIMER_OCInitStructure);
TIMER_OC3_Preload(TIMER2,TIMER_OC_PRELOAD_DISABLE);
TIMER_OCInitStructure.TIMER_Pulse = 11999;
TIMER_OC4_Init(TIMER2, &TIMER_OCInitStructure);
TIMER_OC4_Preload(TIMER2,TIMER_OC_PRELOAD_DISABLE);
/* Auto-reload preload enable */
TIMER_CARLPreloadConfig(TIMER2,ENABLE);
/* TIMER enable counter*/
TIMER_Enable( TIMER2, ENABLE );
}
void main(void)
#endif
{
uint32_t i;
RST_CLK_DeInit();
RST_CLK_CPU_PLLconfig (RST_CLK_CPU_PLLsrcHSIdiv2,0);
/* Enable peripheral clocks --------------------------------------------------*/
RST_CLK_PCLKcmd((RST_CLK_PCLK_RST_CLK | RST_CLK_PCLK_TIMER1 | RST_CLK_PCLK_DMA),ENABLE);
RST_CLK_PCLKcmd((RST_CLK_PCLK_PORTA), ENABLE);
/* Init NVIC */
SCB->AIRCR = 0x05FA0000 | ((uint32_t)0x500);
SCB->VTOR = 0x08000000;
/* Disable all interrupt */
NVIC->ICPR[0] = 0xFFFFFFFF;
NVIC->ICER[0] = 0xFFFFFFFF;
/* Disable all DMA request */
MDR_DMA->CHNL_REQ_MASK_CLR = 0xFFFFFFFF;
MDR_DMA->CHNL_USEBURST_CLR = 0xFFFFFFFF;
/* Reset PORTB settings */
PORT_DeInit(MDR_PORTB);
/* Reset PORTF settings */
PORT_DeInit(MDR_PORTF);
/* Configure TIMER1 pins: CH1, CH2 */
/* Configure PORTA pins 1, 3 */
PORT_InitStructure.PORT_Pin = PORT_Pin_1;
PORT_InitStructure.PORT_OE = PORT_OE_OUT;
PORT_InitStructure.PORT_FUNC = PORT_FUNC_ALTER;
PORT_InitStructure.PORT_MODE = PORT_MODE_DIGITAL;
PORT_InitStructure.PORT_SPEED = PORT_SPEED_FAST;
PORT_Init(MDR_PORTA, &PORT_InitStructure);
PORT_InitStructure.PORT_Pin = PORT_Pin_3;
PORT_InitStructure.PORT_OE = PORT_OE_IN;
PORT_Init(MDR_PORTA, &PORT_InitStructure);
/* Init RAM */
Init_RAM (DstBuf, BufferSize);
/* Reset all TIMER1 settings */
TIMER_DeInit(MDR_TIMER1);
TIMER_BRGInit(MDR_TIMER1,TIMER_HCLKdiv1);
/* TIM1 configuration ------------------------------------------------*/
/* Initializes the TIMERx Counter ------------------------------------*/
sTIM_CntInit.TIMER_Prescaler = 0x10;
sTIM_CntInit.TIMER_Period = 0x200;
sTIM_CntInit.TIMER_CounterMode = TIMER_CntMode_ClkFixedDir;
sTIM_CntInit.TIMER_CounterDirection = TIMER_CntDir_Up;
sTIM_CntInit.TIMER_EventSource = TIMER_EvSrc_None;
sTIM_CntInit.TIMER_FilterSampling = TIMER_FDTS_TIMER_CLK_div_1;
sTIM_CntInit.TIMER_ARR_UpdateMode = TIMER_ARR_Update_Immediately;
sTIM_CntInit.TIMER_ETR_FilterConf = TIMER_Filter_1FF_at_TIMER_CLK;
sTIM_CntInit.TIMER_ETR_Prescaler = TIMER_ETR_Prescaler_None;
sTIM_CntInit.TIMER_ETR_Polarity = TIMER_ETRPolarity_NonInverted;
sTIM_CntInit.TIMER_BRK_Polarity = TIMER_BRKPolarity_NonInverted;
TIMER_CntInit (MDR_TIMER1,&sTIM_CntInit);
/* Initializes the TIMER1 Channel1 -------------------------------------*/
TIMER_ChnStructInit(&sTIM_ChnInit);
sTIM_ChnInit.TIMER_CH_Number = TIMER_CHANNEL1;
sTIM_ChnInit.TIMER_CH_Mode = TIMER_CH_MODE_PWM;
sTIM_ChnInit.TIMER_CH_REF_Format = TIMER_CH_REF_Format3;
TIMER_ChnInit(MDR_TIMER1, &sTIM_ChnInit);
TIMER_SetChnCompare(MDR_TIMER1, TIMER_CHANNEL1, 0x100);
/* Initializes the TIMER1 Channel1 Output -------------------------------*/
TIMER_ChnOutStructInit(&sTIM_ChnOutInit);
sTIM_ChnOutInit.TIMER_CH_Number = TIMER_CHANNEL1;
sTIM_ChnOutInit.TIMER_CH_DirOut_Polarity = TIMER_CHOPolarity_NonInverted;
sTIM_ChnOutInit.TIMER_CH_DirOut_Source = TIMER_CH_OutSrc_REF;
sTIM_ChnOutInit.TIMER_CH_DirOut_Mode = TIMER_CH_OutMode_Output;
TIMER_ChnOutInit(MDR_TIMER1, &sTIM_ChnOutInit);
/* Initializes the TIMER1 Channel2 -------------------------------------*/
TIMER_ChnStructInit(&sTIM_ChnInit);
sTIM_ChnInit.TIMER_CH_Number = TIMER_CHANNEL2;
sTIM_ChnInit.TIMER_CH_Mode = TIMER_CH_MODE_CAPTURE;
TIMER_ChnInit(MDR_TIMER1, &sTIM_ChnInit);
/* Initializes the TIMER1 Channel2 Output -------------------------------*/
TIMER_ChnOutStructInit(&sTIM_ChnOutInit);
sTIM_ChnOutInit.TIMER_CH_Number = TIMER_CHANNEL2;
sTIM_ChnOutInit.TIMER_CH_DirOut_Polarity = TIMER_CHOPolarity_NonInverted;
sTIM_ChnOutInit.TIMER_CH_DirOut_Source = TIMER_CH_OutSrc_Only_0;
sTIM_ChnOutInit.TIMER_CH_DirOut_Mode = TIMER_CH_OutMode_Input;
TIMER_ChnOutInit(MDR_TIMER1, &sTIM_ChnOutInit);
/* Enable TIMER1 DMA request */
TIMER_DMACmd(MDR_TIMER1,(TIMER_STATUS_CCR_CAP_CH2), ENABLE);
/* Reset all DMA settings */
DMA_DeInit();
DMA_StructInit(&DMA_InitStr);
/* DMA_Channel_TIM1 configuration ---------------------------------*/
/* Set Primary Control Data */
DMA_PriCtrlStr.DMA_SourceBaseAddr = (uint32_t)(&(MDR_TIMER1->CCR2));
DMA_PriCtrlStr.DMA_DestBaseAddr = (uint32_t)DstBuf;
DMA_PriCtrlStr.DMA_SourceIncSize = DMA_SourceIncNo;
DMA_PriCtrlStr.DMA_DestIncSize = DMA_DestIncHalfword;
DMA_PriCtrlStr.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_PriCtrlStr.DMA_Mode = DMA_Mode_Basic;
DMA_PriCtrlStr.DMA_CycleSize = BufferSize;
DMA_PriCtrlStr.DMA_NumContinuous = DMA_Transfers_1;
DMA_PriCtrlStr.DMA_SourceProtCtrl = DMA_SourcePrivileged;
DMA_PriCtrlStr.DMA_DestProtCtrl = DMA_DestPrivileged;
/* Set Channel Structure */
DMA_InitStr.DMA_PriCtrlData = &DMA_PriCtrlStr;
DMA_InitStr.DMA_Priority = DMA_Priority_High;
DMA_InitStr.DMA_UseBurst = DMA_BurstClear;
DMA_InitStr.DMA_SelectDataStructure = DMA_CTRL_DATA_PRIMARY;
/* Init DMA channel */
DMA_Init(DMA_Channel_TIM1, &DMA_InitStr);
/* Enable TIMER1 */
TIMER_Cmd(MDR_TIMER1,ENABLE);
/* Transfer complete */
while((DMA_GetFlagStatus(DMA_Channel_TIM1, DMA_FLAG_CHNL_ENA)))
{
}
/* Check the corectness of written dada */
for(i = 0; i < BufferSize; i++)
{
if (DstBuf[i] != MDR_TIMER1->CCR1)
{
TransferStatus &= FAILED;
break;
}
else
{
TransferStatus = PASSED;
}
}
/* TransferStatus = PASSED, if the data transmitted are correct */
/* TransferStatus = FAILED, if the data transmitted are not correct */
while(1)
{
}
}
void prvSetupHardware( void )
{
PORT_InitTypeDef PORT_InitStructure;
UART_InitTypeDef UART_InitStructure;
//SSP_InitTypeDef SPI_InitStructure;
TIMER_CntInitTypeDef sTIM_CntInit;
// TIMER_ChnInitTypeDef sTIM_ChnInit;
//CLK
/* Enable HSE clock oscillator */
RST_CLK_HSEconfig(RST_CLK_HSE_ON);
while(RST_CLK_HSEstatus() == ERROR);
RST_CLK_CPUclkSelection(RST_CLK_CPUclkCPU_C3);
MDR_RST_CLK -> CPU_CLOCK |= 2;//CPU_C1 set HSE
RST_CLK_HSIcmd(DISABLE);
/* Enable the RTCHSE clock on all ports */
RST_CLK_PCLKcmd(ALL_PORTS_CLK, ENABLE);
PORT_StructInit(&PORT_InitStructure);//reset struct
/************************ LCD Initialization *************************/
/* Configure PORTA pins for data transfer to/from LCD */
PORT_InitStructure.PORT_Pin = LCD_DATA_BUS_8;
PORT_InitStructure.PORT_FUNC = PORT_FUNC_PORT;
PORT_InitStructure.PORT_SPEED = PORT_SPEED_SLOW;
PORT_InitStructure.PORT_MODE = PORT_MODE_DIGITAL;
PORT_InitStructure.PORT_OE = PORT_OE_IN;
PORT_Init(MDR_PORTA, &PORT_InitStructure);
/* Configure PORTE pin4 and pin5 for LCD crystals control */
PORT_InitStructure.PORT_Pin = KS0108_CS1 | KS0108_CS2 | KS0108_RS;
PORT_InitStructure.PORT_OE = PORT_OE_OUT;
PORT_Init(MDR_PORTE, &PORT_InitStructure);
PORT_Init(MDR_PORTE, &PORT_InitStructure);
PORT_InitStructure.PORT_Pin = KS0108_EN | KS0108_RW | KS0108_RES;
PORT_Init(MDR_PORTC, &PORT_InitStructure);
PORT_SetBits(MDR_PORTA, LCD_DATA_BUS_8);
PORT_SetBits(MDR_PORTE, KS0108_CS1 | KS0108_CS2 | KS0108_RS);
PORT_SetBits(MDR_PORTC, KS0108_EN | KS0108_RW | KS0108_RES);
//Timer1
// TIMER1
RST_CLK_PCLKcmd(RST_CLK_PCLK_TIMER1,ENABLE);
/* Reset all TIMER1 settings */
TIMER_DeInit(MDR_TIMER1);
TIMER_BRGInit(MDR_TIMER1,TIMER_HCLKdiv1);
/* TIM1 configuration ------------------------------------------------*/
/* Initializes the TIMERx Counter ------------------------------------*/
sTIM_CntInit.TIMER_IniCounter = 0;
sTIM_CntInit.TIMER_Prescaler = 150;//
sTIM_CntInit.TIMER_Period = 82;
sTIM_CntInit.TIMER_CounterMode = TIMER_CntMode_ClkFixedDir;
sTIM_CntInit.TIMER_CounterDirection = TIMER_CntDir_Up;
sTIM_CntInit.TIMER_EventSource = TIMER_EvSrc_None;
sTIM_CntInit.TIMER_FilterSampling = TIMER_FDTS_TIMER_CLK_div_1;
sTIM_CntInit.TIMER_ARR_UpdateMode = TIMER_ARR_Update_Immediately;
sTIM_CntInit.TIMER_ETR_FilterConf = TIMER_Filter_1FF_at_TIMER_CLK;
sTIM_CntInit.TIMER_ETR_Prescaler = TIMER_ETR_Prescaler_None;
sTIM_CntInit.TIMER_ETR_Polarity = TIMER_ETRPolarity_NonInverted;
sTIM_CntInit.TIMER_BRK_Polarity = TIMER_BRKPolarity_NonInverted;
TIMER_CntInit (MDR_TIMER1,&sTIM_CntInit);
NVIC_EnableIRQ(Timer1_IRQn);
TIMER_ITConfig(MDR_TIMER1,TIMER_STATUS_CNT_ARR, ENABLE);
/* TMR1 enable */
TIMER_Cmd (MDR_TIMER1,ENABLE);
// TIMER2
RST_CLK_PCLKcmd(RST_CLK_PCLK_TIMER2,ENABLE);
/* Reset all TIMER1 settings */
TIMER_DeInit(MDR_TIMER2);
TIMER_BRGInit(MDR_TIMER2,TIMER_HCLKdiv1);
/* TIM2 configuration ------------------------------------------------*/
/* Initializes the TIMERx Counter ------------------------------------*/
sTIM_CntInit.TIMER_IniCounter = 0;
sTIM_CntInit.TIMER_Prescaler = 0xf;//
sTIM_CntInit.TIMER_Period = 0xffff;
sTIM_CntInit.TIMER_CounterMode = TIMER_CntMode_ClkFixedDir;
sTIM_CntInit.TIMER_CounterDirection = TIMER_CntDir_Up;
sTIM_CntInit.TIMER_EventSource = TIMER_EvSrc_None;
sTIM_CntInit.TIMER_FilterSampling = TIMER_FDTS_TIMER_CLK_div_1;
sTIM_CntInit.TIMER_ARR_UpdateMode = TIMER_ARR_Update_Immediately;
sTIM_CntInit.TIMER_ETR_FilterConf = TIMER_Filter_1FF_at_TIMER_CLK;
sTIM_CntInit.TIMER_ETR_Prescaler = TIMER_ETR_Prescaler_None;
sTIM_CntInit.TIMER_ETR_Polarity = TIMER_ETRPolarity_NonInverted;
sTIM_CntInit.TIMER_BRK_Polarity = TIMER_BRKPolarity_NonInverted;
TIMER_CntInit (MDR_TIMER2,&sTIM_CntInit);
NVIC_EnableIRQ(Timer2_IRQn);
TIMER_ITConfig(MDR_TIMER2,TIMER_STATUS_CNT_ARR, ENABLE);
/* TMR2 enable */
TIMER_Cmd (MDR_TIMER2,ENABLE);
// TIMER3
RST_CLK_PCLKcmd(RST_CLK_PCLK_TIMER3,ENABLE);
/* Reset all TIMER3 settings */
TIMER_DeInit(MDR_TIMER3);
TIMER_BRGInit(MDR_TIMER3,TIMER_HCLKdiv1);
/* TIM3 configuration ------------------------------------------------*/
/* Initializes the TIMERx Counter ------------------------------------*/
sTIM_CntInit.TIMER_IniCounter = 0;
sTIM_CntInit.TIMER_Prescaler = 0;
sTIM_CntInit.TIMER_Period = 0xFFFF;
sTIM_CntInit.TIMER_CounterMode = TIMER_CntMode_EvtFixedDir;
sTIM_CntInit.TIMER_CounterDirection = TIMER_CntDir_Up;
sTIM_CntInit.TIMER_EventSource = TIMER_EvSrc_CH1;
sTIM_CntInit.TIMER_FilterSampling = TIMER_FDTS_TIMER_CLK_div_1;
sTIM_CntInit.TIMER_ARR_UpdateMode = TIMER_ARR_Update_Immediately;
sTIM_CntInit.TIMER_ETR_FilterConf = TIMER_Filter_1FF_at_TIMER_CLK;
sTIM_CntInit.TIMER_ETR_Prescaler = TIMER_ETR_Prescaler_None;
sTIM_CntInit.TIMER_ETR_Polarity = TIMER_ETRPolarity_NonInverted;
sTIM_CntInit.TIMER_BRK_Polarity = TIMER_BRKPolarity_NonInverted;
TIMER_CntInit (MDR_TIMER3,&sTIM_CntInit);
// NVIC_EnableIRQ(Timer3_IRQn);
// TIMER_ITConfig(MDR_TIMER3,TIMER_STATUS_CNT_ARR, ENABLE);
/* Enable TIMER3 */
TIMER_Cmd(MDR_TIMER3,ENABLE);
/************************ UART1 Initialization *************************/
PORT_StructInit(&PORT_InitStructure);//reset struct
PORT_InitStructure.PORT_Pin = PORT_Pin_12|PORT_Pin_13;//RX TX
PORT_InitStructure.PORT_FUNC = PORT_FUNC_OVERRID;
PORT_InitStructure.PORT_MODE = PORT_MODE_DIGITAL;
PORT_InitStructure.PORT_SPEED = PORT_SPEED_SLOW;
PORT_Init(MDR_PORTE, &PORT_InitStructure);
PORT_InitStructure.PORT_Pin = PORT_Pin_14;//EN RS485
PORT_InitStructure.PORT_OE =PORT_OE_OUT;
PORT_InitStructure.PORT_PD = PORT_PD_OPEN;
PORT_InitStructure.PORT_FUNC = PORT_FUNC_PORT;
PORT_Init(MDR_PORTE, &PORT_InitStructure);
RS485_TX_OFF;
//UART1
RST_CLK_PCLKcmd(RST_CLK_PCLK_UART1,ENABLE);
/* Set the HCLK division factor = 1 for UART1,UART2*/
UART_BRGInit(MDR_UART1, UART_HCLKdiv1);
UART_DeInit(MDR_UART1);
/* Disable interrupt on UART1 */
NVIC_DisableIRQ(UART1_IRQn);
/* Initialize UART_InitStructure */
UART_InitStructure.UART_BaudRate = 38400;
UART_InitStructure.UART_WordLength = UART_WordLength8b;
UART_InitStructure.UART_StopBits = UART_StopBits1;//PKDU2 niobyi
UART_InitStructure.UART_Parity = UART_Parity_No;
UART_InitStructure.UART_FIFOMode = UART_FIFO_OFF;
UART_InitStructure.UART_HardwareFlowControl = UART_HardwareFlowControl_RXE | UART_HardwareFlowControl_TXE;
/* Configure UART1 parameters*/
UART_Init(MDR_UART1,&UART_InitStructure);
NVIC_EnableIRQ(UART1_IRQn);
UART_ITConfig(MDR_UART1,UART_IT_RX, ENABLE);
/* Enables UART1 peripheral */
UART_Cmd(MDR_UART1,ENABLE);
//PORT
/************************ Joystick Initialization *************************/
/* Configure PORTC pins 10..14 for input to handle joystick events */
PORT_StructInit(&PORT_InitStructure);//reset struct
PORT_InitStructure.PORT_Pin = ( PORT_Pin_10 | PORT_Pin_11 | PORT_Pin_12 |
PORT_Pin_13 | PORT_Pin_14 );
PORT_InitStructure.PORT_OE = PORT_OE_IN;
PORT_InitStructure.PORT_MODE = PORT_MODE_DIGITAL;
PORT_InitStructure.PORT_FUNC = PORT_FUNC_PORT;
PORT_InitStructure.PORT_SPEED = PORT_OUTPUT_OFF;
PORT_Init( MDR_PORTC, &PORT_InitStructure );
/************************ LEDs Initialization *************************/
PORT_StructInit( &PORT_InitStructure );//reset struct
/* Configure PORTD pins 10..14 for output to switch LEDs on/off */
PORT_InitStructure.PORT_Pin = LEDs_PINs;
PORT_InitStructure.PORT_OE = PORT_OE_OUT;
PORT_InitStructure.PORT_MODE = PORT_MODE_DIGITAL;
PORT_InitStructure.PORT_FUNC = PORT_FUNC_PORT;
PORT_InitStructure.PORT_SPEED = PORT_SPEED_SLOW;
PORT_Init( MDR_PORTD, &PORT_InitStructure );
/* All LEDs switch off */
PORT_ResetBits(MDR_PORTD, LEDs_PINs);
}
void main(void)
#endif
{
RST_CLK_DeInit();
RST_CLK_CPU_PLLconfig (RST_CLK_CPU_PLLsrcHSIdiv2,0);
/* Enable peripheral clocks --------------------------------------------------*/
RST_CLK_PCLKcmd((RST_CLK_PCLK_RST_CLK | RST_CLK_PCLK_DMA | RST_CLK_PCLK_PORTE),ENABLE);
RST_CLK_PCLKcmd((RST_CLK_PCLK_TIMER1 | RST_CLK_PCLK_DAC),ENABLE);
RST_CLK_PCLKcmd((RST_CLK_PCLK_SSP1 | RST_CLK_PCLK_SSP2),ENABLE);
/* Disable all interrupt */
NVIC->ICPR[0] = 0xFFFFFFFF;
NVIC->ICER[0] = 0xFFFFFFFF;
/* Reset PORTE settings */
PORT_DeInit(MDR_PORTE);
/* Configure DAC pin: DAC1_OUT */
/* Configure PORTE pin 9 */
PORT_InitStructure.PORT_Pin = PORT_Pin_2;
PORT_InitStructure.PORT_OE = PORT_OE_OUT;
PORT_InitStructure.PORT_MODE = PORT_MODE_ANALOG;
PORT_Init(MDR_PORTE, &PORT_InitStructure);
/* DMA Configuration */
/* Reset all DMA settings */
DMA_DeInit();
DMA_StructInit(&DMA_InitStr);
/* Set Primary Control Data */
DMA_PriCtrlStr.DMA_SourceBaseAddr = (uint32_t)Sine12bit;
DMA_PriCtrlStr.DMA_DestBaseAddr = (uint32_t)(&(MDR_DAC->DAC1_DATA));
DMA_PriCtrlStr.DMA_SourceIncSize = DMA_SourceIncHalfword;
DMA_PriCtrlStr.DMA_DestIncSize = DMA_DestIncNo;
DMA_PriCtrlStr.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_PriCtrlStr.DMA_Mode = DMA_Mode_PingPong;
DMA_PriCtrlStr.DMA_CycleSize = 32;
DMA_PriCtrlStr.DMA_NumContinuous = DMA_Transfers_1;
DMA_PriCtrlStr.DMA_SourceProtCtrl = DMA_SourcePrivileged;
DMA_PriCtrlStr.DMA_DestProtCtrl = DMA_DestPrivileged;
/* Set Alternate Control Data */
DMA_AltCtrlStr.DMA_SourceBaseAddr = (uint32_t)Sine12bit;
DMA_AltCtrlStr.DMA_DestBaseAddr = (uint32_t)(&(MDR_DAC->DAC1_DATA));
DMA_AltCtrlStr.DMA_SourceIncSize = DMA_SourceIncHalfword;
DMA_AltCtrlStr.DMA_DestIncSize = DMA_DestIncNo;
DMA_AltCtrlStr.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_AltCtrlStr.DMA_Mode = DMA_Mode_PingPong;
DMA_AltCtrlStr.DMA_CycleSize = 32;
DMA_AltCtrlStr.DMA_NumContinuous = DMA_Transfers_1;
DMA_AltCtrlStr.DMA_SourceProtCtrl = DMA_SourcePrivileged;
DMA_AltCtrlStr.DMA_DestProtCtrl = DMA_DestPrivileged;
/* Set Channel Structure */
DMA_InitStr.DMA_PriCtrlData = &DMA_PriCtrlStr;
DMA_InitStr.DMA_AltCtrlData = &DMA_AltCtrlStr;
DMA_InitStr.DMA_Priority = DMA_Priority_Default;
DMA_InitStr.DMA_UseBurst = DMA_BurstClear;
DMA_InitStr.DMA_SelectDataStructure = DMA_CTRL_DATA_PRIMARY;
/* Init DMA channel TIM1*/
DMA_Init(DMA_Channel_REQ_TIM1, &DMA_InitStr);
/* Enable dma_req or dma_sreq to generate DMA request */
MDR_DMA->CHNL_REQ_MASK_CLR = DMA_SELECT(DMA_Channel_REQ_TIM1);
MDR_DMA->CHNL_USEBURST_CLR = DMA_SELECT(DMA_Channel_REQ_TIM1);
/* Enable DMA_Channel_TIM1 */
DMA_Cmd(DMA_Channel_REQ_TIM1, ENABLE);
/* ADC Configuration */
/* Reset all ADC settings */
DAC_DeInit();
/* DAC channel1 Configuration */
DAC1_Init(DAC1_AVCC);
/* DAC channel1 enable */
DAC1_Cmd(ENABLE);
/* TIMER1 Configuration */
/* Time base configuration */
TIMER_DeInit(MDR_TIMER1);
TIMER_BRGInit(MDR_TIMER1,TIMER_HCLKdiv1);
sTIM_CntInit.TIMER_Prescaler = 0;
sTIM_CntInit.TIMER_Period = 0xFF;
sTIM_CntInit.TIMER_CounterMode = TIMER_CntMode_ClkFixedDir;
sTIM_CntInit.TIMER_CounterDirection = TIMER_CntDir_Up;
sTIM_CntInit.TIMER_EventSource = TIMER_EvSrc_None;
sTIM_CntInit.TIMER_FilterSampling = TIMER_FDTS_TIMER_CLK_div_1;
sTIM_CntInit.TIMER_ARR_UpdateMode = TIMER_ARR_Update_Immediately;
sTIM_CntInit.TIMER_ETR_FilterConf = TIMER_Filter_1FF_at_TIMER_CLK;
sTIM_CntInit.TIMER_ETR_Prescaler = TIMER_ETR_Prescaler_None;
sTIM_CntInit.TIMER_ETR_Polarity = TIMER_ETRPolarity_NonInverted;
sTIM_CntInit.TIMER_BRK_Polarity = TIMER_BRKPolarity_NonInverted;
TIMER_CntInit (MDR_TIMER1,&sTIM_CntInit);
/* Enable DMA for TIMER1 */
TIMER_DMACmd(MDR_TIMER1, TIMER_STATUS_CNT_ARR, TIMER_DMA_Channel0, ENABLE);
/* TIMER1 enable counter */
TIMER_Cmd(MDR_TIMER1,ENABLE);
/* Enable DMA IRQ */
NVIC_EnableIRQ(DMA_IRQn);
/* Infinite loop */
while(1)
{
}
}
