/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32L0xx HAL library initialization:
- Configure the Flash prefetch, Flash preread and Buffer caches
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Low Level Initialization
*/
HAL_Init();
/* Configure LED2 */
BSP_LED_Init(LED2);
/* Configure the system clock to 2 Mhz */
SystemClock_Config();
/*##-1- Configure the DAC peripheral #######################################*/
DacHandle.Instance = DAC;
DAC_Ch1_Config();
/*##-2- Configure the TIM peripheral #######################################*/
TIM6_Config();
/* Infinite loop */
while (1)
{
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* STM32F107xC HAL library initialization:
- Configure the Flash prefetch
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization
*/
HAL_Init();
/* Configure the system clock to 72 MHz */
SystemClock_Config();
/* Configure LED3 */
BSP_LED_Init(LED3);
/* Configures Key push-button */
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_EXTI);
/*##-1- Configure the DAC peripheral #######################################*/
DacHandle.Instance = DACx;
/*##-2- Configure the TIM peripheral #######################################*/
TIM6_Config();
/* Infinite loop */
while (1)
{
/* If the Key is pressed */
if (ubKeyPressed != RESET)
{
HAL_DAC_DeInit(&DacHandle);
/* select waves forms according to the Key push-button status */
if (ubSelectedWavesForm == 1)
{
/* The triangle wave has been selected */
/* Triangle Wave generator -------------------------------------------*/
DAC_Ch1_TriangleConfig();
}
else
{
/* The escalator wave has been selected */
/* Escalator Wave generator -------------------------------------------*/
DAC_Ch1_EscalatorConfig();
}
ubKeyPressed = RESET;
}
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32xxx_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32xxx.c file
*/
Printf_Init();
/* Output a message on Hyperterminal using printf function */
printf("\n\rUSART Printf Example: retarget the C library printf function to the USART\n\r");
/* Initialize TIM6 */
TIM6_Config();
#if 0
/* Start CPAL communication configuration ***********************************/
/* Initialize local Reception structures */
sRxStructure.wNumData = BufferSize; /* Maximum Number of data to be received */
sRxStructure.pbBuffer = tRxBuffer; /* Common Rx buffer for all received data */
sRxStructure.wAddr1 = 0; /* Not needed */
sRxStructure.wAddr2 = 0; /* Not needed */
/* Initialize local Transmission structures */
sTxStructure.wNumData = BufferSize; /* Maximum Number of data to be received */
sTxStructure.pbBuffer = (uint8_t*)tStateSignal; /* Common Rx buffer for all received data */
sTxStructure.wAddr1 = OWN_ADDRESS; /* The own board address */
sTxStructure.wAddr2 = 0; /* Not needed */
/* Configure the device structure */
CPAL_I2C_StructInit(&I2C_DevStructure); /* Set all fields to default values */
I2C_DevStructure.CPAL_Mode = CPAL_MODE_SLAVE;
#ifdef CPAL_I2C_DMA_PROGMODEL
I2C_DevStructure.wCPAL_Options = CPAL_OPT_NO_MEM_ADDR | CPAL_OPT_DMATX_TCIT | CPAL_OPT_DMARX_TCIT;
I2C_DevStructure.CPAL_ProgModel = CPAL_PROGMODEL_DMA;
#elif defined (CPAL_I2C_IT_PROGMODEL)
I2C_DevStructure.wCPAL_Options = CPAL_OPT_NO_MEM_ADDR;
I2C_DevStructure.CPAL_ProgModel = CPAL_PROGMODEL_INTERRUPT;
#else
#error "Please select one of the programming model (in main.h)"
#endif
I2C_DevStructure.pCPAL_I2C_Struct->I2C_ClockSpeed = I2C_SPEED;
I2C_DevStructure.pCPAL_I2C_Struct->I2C_OwnAddress1 = OWN_ADDRESS;
I2C_DevStructure.pCPAL_TransferRx = &sRxStructure;
I2C_DevStructure.pCPAL_TransferTx = &sTxStructure;
/* Initialize CPAL device with the selected parameters */
CPAL_I2C_Init(&I2C_DevStructure);
#endif
BMP085_Config();
/* Infinite loop */
while (1)
{
}
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 180 MHz */
SystemClock_Config();
/* Configure LED4 */
BSP_LED_Init(LED4);
/* Configure USER Button */
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_EXTI);
/*##-1- Configure the DAC peripheral #######################################*/
DacHandle.Instance = DAC;
/*##-2- Configure the TIM peripheral #######################################*/
TIM6_Config();
/* Infinite loop */
while (1)
{
/* If USER Button is pressed */
if (ubKeyPressed != RESET)
{
HAL_DAC_DeInit(&DacHandle);
/* select waves forms according to the USER Button status */
if (ubSelectedWavesForm == 1)
{
/* The triangle wave has been selected */
/* Triangle Wave generator -------------------------------------------*/
DAC_Ch1_TriangleConfig();
}
else
{
/* The escalator wave has been selected */
/* Escalator Wave generator ------------------------------------------*/
DAC_Ch1_EscalatorConfig();
}
ubKeyPressed = RESET;
}
}
}
void init_DAC_DMA(void) {
TIM6_Config();
GPIO_InitTypeDef GPIO_InitStructure;
/* DMA1 clock and GPIOA clock enable (to be used with DAC) */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1 | RCC_AHB1Periph_GPIOA, ENABLE);
/* DAC Periph clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
/* DAC channel 1 (DAC_OUT1 = PA.4) configuration */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
/**
* @brief Main program.
* @param None
* @retval None
*/
void main(void)
{
__IO uint8_t Result = 0;
__IO uint8_t timeout = TIMEOUT;
/* TIM5 configuration -----------------------------------------*/
TIM5_Config();
/* TIM6 configuration -----------------------------------------*/
TIM6_Config();
/*Enable TIM6*/
TIM6_Cmd(ENABLE);/* if this line is commented, TIM6 will not be enabled and */
/* TIM5 will not detect an Edge on its TRGI => Result =0 */
while((TIM5_Status() == DISABLE) && (timeout != 0))
{
/* Decrement timeout */
timeout--;
}
if (TIM5_Status() != DISABLE)
{
/*If the program counter reaches this section,
the TIM5 is correctly triggered by TIM6 */
/*Insert break point in the following line */
Result = 1;
}
else
{
/*If the program counter reaches this section,
the TIM5 is not correctly triggered by TIM6 */
/*Insert break point in the following line */
Result = 0;
}
/* infinite loop */
while(1)
{
}
}
/*
*********************************************************************************************************
* 函 数 名: bsp_InitDAC
* 功能说明: DAC初始化
* 形 参: 无
* 返 回 值: 无
*********************************************************************************************************
*/
void bsp_InitDAC(void)
{
uint8_t i;
/* 用缓存放一个周期的正弦波 */
for(i =0; i < 64; i++)
{
g_usWaveBuff[i] = 2048*sin((double)i*3.14/32)+2048;
}
/* MDK优化等级为1的时候，DAC初始化顺序，不同的优化等级，
不同的输出顺序容易操作DAC无法输出波形。
这个问题要引起大家的特别注意！！。
*/
DAC_Ch1_WaveConfig();
DAC_GPIOConfig();
TIM6_Config();
}
void dac_open(void) {
memset(dac_buf, 32768, sizeof(short)*DAC_BUF_SZ);
/* Create fifo */
DMA1_Stream6_fifo = fifo_create(FIFO_SZ);
assert(DMA1_Stream6_fifo != NULL);
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
files (startup_stm32f40xx.s/startup_stm32f427x.s) before to branch to
application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f4xx.c file
*/
/* Preconfiguration before using DAC----------------------------------------*/
GPIO_InitTypeDef GPIO_InitStructure;
/* DMA1 clock enable */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1, ENABLE);
/* GPIOA clock enable (to be used with DAC) */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
/* DAC Periph clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
/* DAC channel 1 & 2 (DAC_OUT1 = PA.4)(DAC_OUT2 = PA.5) configuration */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* TIM6 Configuration ------------------------------------------------------*/
TIM6_Config();
DAC_Ch2_Config();
}
/// \method triangle(freq)
/// Generate a triangle wave. The value on the DAC output changes at
/// the given frequency, and the frequence of the repeating triangle wave
/// itself is 256 (or 1024, need to check) times smaller.
STATIC mp_obj_t pyb_dac_triangle(mp_obj_t self_in, mp_obj_t freq) {
pyb_dac_obj_t *self = self_in;
// set TIM6 to trigger the DAC at the given frequency
TIM6_Config(mp_obj_get_int(freq));
if (self->state != 2) {
// configure DAC to trigger via TIM6
DAC_ChannelConfTypeDef config;
config.DAC_Trigger = DAC_TRIGGER_T6_TRGO;
config.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
HAL_DAC_ConfigChannel(&DAC_Handle, &config, self->dac_channel);
self->state = 2;
}
// set triangle wave generation
HAL_DACEx_TriangleWaveGenerate(&DAC_Handle, self->dac_channel, DAC_TRIANGLEAMPLITUDE_1023);
HAL_DAC_SetValue(&DAC_Handle, self->dac_channel, DAC_ALIGN_12B_R, 0x100);
HAL_DAC_Start(&DAC_Handle, self->dac_channel);
return mp_const_none;
}
/// \method noise(freq)
/// Generate a pseudo-random noise signal. A new random sample is written
/// to the DAC output at the given frequency.
STATIC mp_obj_t pyb_dac_noise(mp_obj_t self_in, mp_obj_t freq) {
pyb_dac_obj_t *self = self_in;
// set TIM6 to trigger the DAC at the given frequency
TIM6_Config(mp_obj_get_int(freq));
if (self->state != DAC_STATE_BUILTIN_WAVEFORM) {
// configure DAC to trigger via TIM6
DAC_ChannelConfTypeDef config;
config.DAC_Trigger = DAC_TRIGGER_T6_TRGO;
config.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
HAL_DAC_ConfigChannel(&DAC_Handle, &config, self->dac_channel);
self->state = DAC_STATE_BUILTIN_WAVEFORM;
}
// set noise wave generation
HAL_DACEx_NoiseWaveGenerate(&DAC_Handle, self->dac_channel, DAC_LFSRUNMASK_BITS10_0);
HAL_DAC_SetValue(&DAC_Handle, self->dac_channel, DAC_ALIGN_12B_L, 0x7ff0);
HAL_DAC_Start(&DAC_Handle, self->dac_channel);
return mp_const_none;
}
mp_obj_t pyb_dac_write_timed(mp_uint_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
pyb_dac_obj_t *self = args[0];
// parse args
mp_arg_val_t vals[PYB_DAC_WRITE_TIMED_NUM_ARGS];
mp_arg_parse_all(n_args - 1, args + 1, kw_args, PYB_DAC_WRITE_TIMED_NUM_ARGS, pyb_dac_write_timed_args, vals);
// get the data to write
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(vals[0].u_obj, &bufinfo, MP_BUFFER_READ);
// set TIM6 to trigger the DAC at the given frequency
TIM6_Config(vals[1].u_int);
__DMA1_CLK_ENABLE();
/*
DMA_Cmd(self->dma_stream, DISABLE);
while (DMA_GetCmdStatus(self->dma_stream) != DISABLE) {
}
DAC_Cmd(self->dac_channel, DISABLE);
*/
/*
// DAC channel configuration
DAC_InitTypeDef DAC_InitStructure;
DAC_InitStructure.DAC_Trigger = DAC_Trigger_T7_TRGO;
DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;
DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_TriangleAmplitude_1; // unused, but need to set it to a valid value
DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
DAC_Init(self->dac_channel, &DAC_InitStructure);
*/
// DMA1_Stream[67] channel7 configuration
DMA_HandleTypeDef DMA_Handle;
DMA_Handle.Instance = self->dma_stream;
// Need to deinit DMA first
DMA_Handle.State = HAL_DMA_STATE_READY;
HAL_DMA_DeInit(&DMA_Handle);
DMA_Handle.Init.Channel = DMA_CHANNEL_7;
DMA_Handle.Init.Direction = DMA_MEMORY_TO_PERIPH;
DMA_Handle.Init.PeriphInc = DMA_PINC_DISABLE;
DMA_Handle.Init.MemInc = DMA_MINC_ENABLE;
DMA_Handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
DMA_Handle.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
DMA_Handle.Init.Mode = vals[2].u_int;
DMA_Handle.Init.Priority = DMA_PRIORITY_HIGH;
DMA_Handle.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
DMA_Handle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_HALFFULL;
DMA_Handle.Init.MemBurst = DMA_MBURST_SINGLE;
DMA_Handle.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&DMA_Handle);
if (self->dac_channel == DAC_CHANNEL_1) {
__HAL_LINKDMA(&DAC_Handle, DMA_Handle1, DMA_Handle);
} else {
__HAL_LINKDMA(&DAC_Handle, DMA_Handle2, DMA_Handle);
}
DAC_Handle.Instance = DAC;
DAC_Handle.State = HAL_DAC_STATE_RESET;
HAL_DAC_Init(&DAC_Handle);
if (self->state != 3) {
DAC_ChannelConfTypeDef config;
config.DAC_Trigger = DAC_TRIGGER_T6_TRGO;
config.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
HAL_DAC_ConfigChannel(&DAC_Handle, &config, self->dac_channel);
self->state = 3;
}
HAL_DAC_Start_DMA(&DAC_Handle, self->dac_channel, (uint32_t*)bufinfo.buf, bufinfo.len, DAC_ALIGN_8B_R);
/*
// enable DMA stream
DMA_Cmd(self->dma_stream, ENABLE);
while (DMA_GetCmdStatus(self->dma_stream) == DISABLE) {
}
// enable DAC channel
DAC_Cmd(self->dac_channel, ENABLE);
// enable DMA for DAC channel
DAC_DMACmd(self->dac_channel, ENABLE);
*/
//printf("DMA: %p %lu\n", bufinfo.buf, bufinfo.len);
return mp_const_none;
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32xxx_xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32xxx.c file
*/
/* Initialize LEDs, Key Button, LCD and COM port(USART) available on
STM3210X-EVAL board ******************************************************/
STM_EVAL_LEDInit(LED1);
STM_EVAL_LEDInit(LED2);
STM_EVAL_LEDInit(LED3);
STM_EVAL_LEDInit(LED4);
/* Initialize TIM6 */
TIM6_Config();
/* Initialize the LCD */
#ifdef USE_STM322xG_EVAL
STM322xG_LCD_Init();
#elif defined USE_STM324xG_EVAL
STM324xG_LCD_Init();
#elif defined USE_STM3210C_EVAL
STM3210C_LCD_Init();
#elif defined USE_STM32100E_EVAL
STM32100E_LCD_Init();
#elif defined USE_STM32L152_EVAL
STM32L152_LCD_Init();
#elif defined USE_STM32L152D_EVAL
STM32L152D_LCD_Init();
#endif
/* Display message on STM3210X-EVAL LCD *************************************/
/* Clear the LCD */
LCD_Clear(White);
/* Set the LCD Back Color */
LCD_SetBackColor(Blue);
/* Set the LCD Text Color */
LCD_SetTextColor(Yellow);
LCD_DisplayStringLine(Line0, MESSAGE1);
LCD_DisplayStringLine(Line1, MESSAGE2);
LCD_DisplayStringLine(Line5, MESSAGE3);
/* Configure the Push buttons in interrupt mode *****************************/
#if defined (USE_STM32100E_EVAL) || defined(USE_STM3210C_EVAL) || defined(USE_STM322xG_EVAL ) || defined (USE_STM324xG_EVAL)
STM_EVAL_PBInit(BUTTON_KEY, Mode_EXTI);
STM_EVAL_PBInit(BUTTON_TAMPER, Mode_EXTI);
#elif defined (USE_STM32L152_EVAL) || defined (USE_STM32L152D_EVAL)
STM_EVAL_PBInit(BUTTON_LEFT, Mode_EXTI);
STM_EVAL_PBInit(BUTTON_RIGHT, Mode_EXTI);
#endif /* USE_STM32100E_EVAL || USE_STM3210C_EVAL || USE_STM322xG_EVAL || USE_STM324xG_EVAL */
/* Start CPAL communication configuration ***********************************/
/* Initialize local Reception structures */
sRxStructure.wNumData = BufferSize; /* Maximum Number of data to be received */
sRxStructure.pbBuffer = tRxBuffer; /* Common Rx buffer for all received data */
sRxStructure.wAddr1 = OWN_ADDRESS; /* The own board address */
sRxStructure.wAddr2 = 0; /* Not needed */
/* Initialize local Transmission structures */
sTxStructure.wNumData = BufferSize; /* Maximum Number of data to be received */
sTxStructure.pbBuffer = (uint8_t*)tStateSignal; /* Common Rx buffer for all received data */
sTxStructure.wAddr1 = OWN_ADDRESS; /* The own board address */
sTxStructure.wAddr2 = 0; /* Not needed */
/* Configure the device structure */
CPAL_I2C_StructInit(&I2C_DevStructure); /* Set all fields to default values */
I2C_DevStructure.CPAL_Mode = CPAL_MODE_SLAVE;
#ifdef CPAL_I2C_DMA_PROGMODEL
I2C_DevStructure.wCPAL_Options = CPAL_OPT_NO_MEM_ADDR | CPAL_OPT_I2C_NACK_ADD;
I2C_DevStructure.CPAL_ProgModel = CPAL_PROGMODEL_DMA;
#elif defined (CPAL_I2C_IT_PROGMODEL)
I2C_DevStructure.wCPAL_Options = CPAL_OPT_NO_MEM_ADDR | CPAL_OPT_I2C_NACK_ADD;
I2C_DevStructure.CPAL_ProgModel = CPAL_PROGMODEL_INTERRUPT;
#else
#error "Please select one of the programming model (in main.h)"
#endif
I2C_DevStructure.pCPAL_I2C_Struct->I2C_ClockSpeed = I2C_SPEED;
I2C_DevStructure.pCPAL_I2C_Struct->I2C_OwnAddress1 = OWN_ADDRESS;
I2C_DevStructure.pCPAL_TransferRx = &sRxStructure;
I2C_DevStructure.pCPAL_TransferTx = &sTxStructure;
/* Initialize CPAL device with the selected parameters */
CPAL_I2C_Init(&I2C_DevStructure);
/* Infinite loop */
while (1)
{
/* Write operations ------------------------------------------------------*/
/* Check if any action has been triggered by push buttons */
if ((ActionState != ACTION_PENDING) && (ActionState != ACTION_NONE))
{
/* Check if the current CPAL device state allows write operation */
if (((DeviceMode == SLAVE) && (LastMode == SLAVE))||\
(((I2C_DevStructure.CPAL_State == CPAL_STATE_READY) ||\
(I2C_DevStructure.CPAL_State == CPAL_STATE_DISABLED)) && (DeviceMode == MASTER)))
{
if (LastMode == SLAVE)
{
/* Set the LCD Back Color */
LCD_SetBackColor(Red);
/* Set the LCD Text Color */
LCD_SetTextColor(White);
LCD_DisplayStringLine(Line3, (uint8_t*)" MASTER MODE ACTIVE ");
/* Set the LCD Back Color */
LCD_SetBackColor(White);
/* Set the LCD Text Color */
LCD_SetTextColor(Blue);
/* Disable CPAL_OPT_I2C_NACK_ADD option when switch to Master mode */
I2C_DevStructure.wCPAL_Options &= (~CPAL_OPT_I2C_NACK_ADD);
}
LastMode = MASTER;
/* Initialize local Reception structures */
sRxStructure.wNumData = BufferSize;
/* Initialize local Transmission structures */
sTxStructure.wNumData = BufferSize;
switch (ActionState)
{
case BUTTON_KEY:
TransmitMode = STATE_ON;
sTxStructure.pbBuffer = (uint8_t*)tSignal;
Divider = 2;
break;
case BUTTON_TAMPER:
TransmitMode = STATE_OFF;
sRxStructure.pbBuffer = tRxBuffer;
Divider = 4;
break;
case ACTION_PERIODIC:
if(TransmitMode == STATE_ON)
{
sTxStructure.pbBuffer = (uint8_t*)tStateSignal;
}
break;
default:
break;
}
/* Configure the device mode to master */
I2C_DevStructure.CPAL_Mode = CPAL_MODE_MASTER;
/* Force the CPAL state to ready (in case a read operation has been initiated) */
I2C_DevStructure.CPAL_State = CPAL_STATE_READY;
/* Prevent other actions to be performed while the current is not finished */
ActionState = ACTION_PENDING;
DeviceMode = MASTER;
/* Configure a Timer to generate periodic interrupt: used to send state signal */
TIM7_Config(PeriodicValue/Divider);
if(TransmitMode == STATE_ON)
{
/* Start writing data in master mode */
if (CPAL_I2C_Write(&I2C_DevStructure) == CPAL_PASS)
{
}
}
else
{
/* Start reading data in master mode */
if (CPAL_I2C_Read(&I2C_DevStructure) == CPAL_PASS)
{
}
}
}
}
/* Read Operations -------------------------------------------------------*/
if (((I2C_DevStructure.CPAL_State == CPAL_STATE_READY) || \
(I2C_DevStructure.CPAL_State == CPAL_STATE_DISABLED)) && \
(DeviceMode == SLAVE))
{
/* Reconfigure device for slave receiver mode */
I2C_DevStructure.CPAL_Mode = CPAL_MODE_SLAVE;
I2C_DevStructure.CPAL_State = CPAL_STATE_READY;
if (LastMode == SLAVE)
{
/* Set the LCD Back Color */
LCD_SetBackColor(Red);
/* Set the LCD Text Color */
LCD_SetTextColor(White);
LCD_DisplayStringLine(Line3, (uint8_t*)" SLAVE MODE ACTIVE ");
/* Set the LCD Back Color */
LCD_SetBackColor(White);
/* Set the LCD Text Color */
LCD_SetTextColor(Blue);
}
/* Start waiting for data to be received in slave mode */
if (CPAL_I2C_Listen(&I2C_DevStructure) == CPAL_PASS)
{
LCD_DisplayStringLine(Line9, MEASSAGE_EMPTY);
}
}
}
}
void main(void)
{
int32_t t_spread;
uint32_t i;
NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x8000);
LED_ON(LED_RING_OE); //actually turns the LED ring off
LEDDriver_Init(5);
for (i=0;i<26;i++) LEDDriver_setRGBLED(i,0);
LED_OFF(LED_RING_OE); //actually turns the LED ring on
flag_update_LED_ring=1;
init_inouts();
init_rotary();
init_envout_pwm();
ADC1_Init((uint16_t *)adc_buffer);
ADC3_Init((uint16_t *)potadc_buffer);
Codec_Init(SAMPLERATE);
delay();
set_default_param_values();
set_default_color_scheme();
set_default_user_scalebank();
//overwrite default parameters if a startup bank exists
cur_param_bank = load_startup_params();
if (cur_param_bank == 0xFF){
factory_reset();
cur_param_bank=0;
}
I2S_Block_Init();
TIM6_Config();
DAC_Ch1_NoiseConfig();
spread=(adc_buffer[SPREAD_ADC] >> 8) + 1;
I2S_Block_PlayRec();
//update_spread(1);
while(1){
check_errors();
param_read_switches();
update_ENVOUT_PWM();
update_LED_ring();
update_lock_leds();
t_spread=read_spread();
if (t_spread!=-1) update_spread(t_spread);
process_lock_jacks();
process_lock_buttons();
param_read_q();
param_read_freq_nudge();
param_read_channel_level();
process_rotary_button();
process_rotary_rotation();
if (ui_mode==PLAY)
check_rotary_pressed_repeatedly();
if (ui_mode==EDIT_SCALES)
handle_edit_scale();
if (ui_mode==EDIT_COLORS)
handle_edit_colors();
if (ui_mode==SELECT_PARAMS){
handle_freqpot_changing_filtermode();
handle_slider_changing_clipmode();
}
if (do_ROTUP){
do_ROTUP=0;
rotate_up();
}
if (do_ROTDOWN){
do_ROTDOWN=0;
rotate_down();
}
process_rotateCV();
process_scaleCV();
} //end main loop
} //end main()
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
files (startup_stm32f40_41xxx.s/startup_stm32f427_437xx.s/startup_stm32f429_439xx.s)
before to branch to application main.
*/
/* TIM6 configuration to get a regular interrupt */
TIM6_Config();
/* USART configuration */
USART_Config();
/* Display the original message */
Display_MainMessage();
/* Enable HASH clock */
RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_HASH, ENABLE);
/*=============================================================================
SHA1/ MD5 Digest Computation without context swap
==============================================================================*/
printf("\n\r>> MD5 Digest Computation without context swap \n\r");
printf(">>> Start \n\r");
/* MD5 Digest Computation *******************************/
HASH_MD5((uint8_t*)Md5Input, MD5_INPUT_TAB_SIZE,Md5output);
printf(">>> Done \n\r");
/* Display the MD5 digest */
Display_MD5Digest();
printf("\n\r>> SHA1 Digest Computation without context swap \n\r");
printf(">>> Start \n\r");
/* SHA1 Digest Computation */
HASH_SHA1((uint8_t*)Sha1Input, SHA1_INPUT_TAB_SIZE, Sha1output);
printf(">>> Done \n\r");
/* Display the SHA1 digest */
Display_SHA1Digest();
/*=============================================================================
SHA1 / MD5 Digest Computation with context swap
==============================================================================*/
printf("\n\r>> MD5 Digest Computation with context swap \n\r");
printf(">>> Start \n\r");
/* Enable TIM6 */
TIM_Cmd(TIM6, ENABLE);
/* MD5 Digest Computation */
HASH_MD5((uint8_t*)Md5Input, MD5_INPUT_TAB_SIZE, Md5output);
/* Disable TIM2 : no more interrupts */
TIM_Cmd(TIM6, DISABLE);
printf(" ====> During MD5 digest calculation, the context is saved and restored (%d) times to calculate the SHA1 digest \n\r", ContextSwapCounter);
printf(">>> Done \n\r");
/* Display the MD5 digest */
Display_MD5Digest();
printf(">> SHA1 Digest computed during MD5 context swap \n\r");
/* Display the SHA1 digest */
Display_SHA1Digest();
while(1);
}
void sineWave_init(void)
{
soundOutput_GPIO_Init();
TIM6_Config();
DAC_Ch2_SineWaveConfig();
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f2xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f2xx.c file
*/
/* Preconfiguration before using DAC----------------------------------------*/
GPIO_InitTypeDef GPIO_InitStructure;
/* DMA1 clock and GPIOA clock enable (to be used with DAC) */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1 | RCC_AHB1Periph_GPIOA, ENABLE);
/* DAC Periph clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
/* DAC channel 1 & 2 (DAC_OUT1 = PA.4)(DAC_OUT2 = PA.5) configuration */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* TIM6 Configuration ------------------------------------------------------*/
TIM6_Config();
/* Configures Key Button */
STM_EVAL_PBInit(BUTTON_KEY, BUTTON_MODE_EXTI);
while (1)
{
/* If the Key is pressed */
if (KeyPressed != RESET)
{
DAC_DeInit();
/* select waves forms according to the Key Button status */
if (SelectedWavesForm == 1)
{
/* The sine wave and the escalator wave has been selected */
/* Escalator Wave generator ------------------------------------------*/
DAC_Ch1_EscalatorConfig();
/* Sine Wave generator -----------------------------------------------*/
DAC_Ch2_SineWaveConfig();
}
else
{
/* The triangle wave and the noise wave has been selected */
/* Noise Wave generator ----------------------------------------------*/
DAC_Ch1_NoiseConfig();
/* Triangle Wave generator -------------------------------------------*/
DAC_Ch2_TriangleConfig();
}
KeyPressed = RESET;
}
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f0xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f0xx.c file
*/
/* Initialize LEDs and LCD available on STM320518-EVAL board ****************/
STM_EVAL_LEDInit(LED1);
STM_EVAL_LEDInit(LED2);
STM_EVAL_LEDInit(LED3);
STM_EVAL_LEDInit(LED4);
/* Initialize TIM6 */
TIM6_Config();
/* Initialize the LCD */
STM320518_LCD_Init();
/* Display message on LCD **************************************************/
/* Clear the LCD */
LCD_Clear(White);
/* Set the LCD Back Color */
LCD_SetBackColor(Blue);
/* Set the LCD Text Color */
LCD_SetTextColor(Yellow);
LCD_DisplayStringLine(Line0, MESSAGE1);
LCD_DisplayStringLine(Line1, MESSAGE2);
LCD_DisplayStringLine(Line3, MESSAGE3);
/* Set the LCD Back Color */
LCD_SetBackColor(White);
/* Set the LCD Text Color */
LCD_SetTextColor(Blue);
/* Configure the Push buttons in interrupt mode *****************************/
STM_EVAL_PBInit(BUTTON_KEY, Mode_EXTI);
STM_EVAL_PBInit(BUTTON_TAMPER, Mode_EXTI);
/* Start CPAL communication configuration ***********************************/
/* Initialize local Reception structures */
sRxStructure.wNumData = BufferSize; /* Maximum Number of data to be received */
sRxStructure.pbBuffer = tRxBuffer; /* Common Rx buffer for all received data */
sRxStructure.wAddr1 = 0; /* Not needed */
sRxStructure.wAddr2 = 0; /* Not needed */
/* Initialize local Transmission structures */
sTxStructure.wNumData = BufferSize; /* Maximum Number of data to be received */
sTxStructure.pbBuffer = (uint8_t*)tStateSignal; /* Common Rx buffer for all received data */
sTxStructure.wAddr1 = OWN_ADDRESS; /* The own board address */
sTxStructure.wAddr2 = 0; /* Not needed */
/* Set SYSCLK as I2C clock source */
RCC_I2CCLKConfig(RCC_I2C1CLK_SYSCLK);
/* Configure the device structure */
CPAL_I2C_StructInit(&I2C_DevStructure); /* Set all fields to default values */
I2C_DevStructure.CPAL_Mode = CPAL_MODE_SLAVE;
#ifdef CPAL_I2C_DMA_PROGMODEL
I2C_DevStructure.wCPAL_Options = CPAL_OPT_NO_MEM_ADDR | CPAL_OPT_DMATX_TCIT | CPAL_OPT_DMARX_TCIT;
I2C_DevStructure.CPAL_ProgModel = CPAL_PROGMODEL_DMA;
#elif defined (CPAL_I2C_IT_PROGMODEL)
I2C_DevStructure.wCPAL_Options = CPAL_OPT_NO_MEM_ADDR;
I2C_DevStructure.CPAL_ProgModel = CPAL_PROGMODEL_INTERRUPT;
#else
#error "Please select one of the programming model (in stm32f0xx_i2c_cpal_conf.h)"
#endif
I2C_DevStructure.pCPAL_I2C_Struct->I2C_Timing = I2C_TIMING;
I2C_DevStructure.pCPAL_I2C_Struct->I2C_OwnAddress1 = OWN_ADDRESS;
I2C_DevStructure.pCPAL_TransferRx = &sRxStructure;
I2C_DevStructure.pCPAL_TransferTx = &sTxStructure;
/* Initialize CPAL device with the selected parameters */
CPAL_I2C_Init(&I2C_DevStructure);
/* Infinite loop */
while (1)
{
/* Write operations ------------------------------------------------------*/
/* Check if any action has been triggered by push buttons */
if ((ActionState != ACTION_PENDING) && (ActionState != ACTION_NONE))
{
/* Check if the current CPAL device state allows write operation */
if ((I2C_DevStructure.CPAL_State == CPAL_STATE_READY) || \
(I2C_DevStructure.CPAL_State == CPAL_STATE_BUSY_RX) ||\
(I2C_DevStructure.CPAL_State == CPAL_STATE_DISABLED))
{
/* Initialize local Transmission structures */
sTxStructure.wNumData = BufferSize; /* Maximum Number of data to be received */
sTxStructure.wAddr1 = OWN_ADDRESS; /* The own board address */
sTxStructure.wAddr2 = 0; /* Not needed */
switch (ActionState)
{
case BUTTON_KEY:
sTxStructure.pbBuffer = (uint8_t*)tSignal1;
Divider = 1;
break;
case BUTTON_TAMPER:
sTxStructure.pbBuffer = (uint8_t*)tSignal2;
Divider = 2;
break;
case ACTION_PERIODIC:
sTxStructure.pbBuffer = (uint8_t*)tStateSignal;
break;
default:
sTxStructure.pbBuffer = (uint8_t*)tSignal1;
break;
}
/* Configure the device mode to master */
I2C_DevStructure.CPAL_Mode = CPAL_MODE_MASTER;
/* Force the CPAL state to ready (in case a read operation has been initiated) */
I2C_DevStructure.CPAL_State = CPAL_STATE_READY;
/* Prevent other actions to be performed while the current is not finished */
ActionState = ACTION_PENDING;
TransmitMode = STATE_ON;
/* Configure a Timer to generate periodic interrupt: used to send state signal */
TIM17_Config(PeriodicValue/Divider);
/* Start writing data in master mode */
if (CPAL_I2C_Write(&I2C_DevStructure) == CPAL_PASS)
{
}
}
}
/* Read Operations -------------------------------------------------------*/
if (((I2C_DevStructure.CPAL_State == CPAL_STATE_READY) || \
(I2C_DevStructure.CPAL_State == CPAL_STATE_DISABLED)) && \
(TransmitMode == STATE_OFF))
{
/* Initialize local Reception structures */
sRxStructure.wNumData = BufferSize; /* Maximum Number of data to be received */
sRxStructure.pbBuffer = tRxBuffer; /* Common Rx buffer for all received data */
/* Reconfigure device for slave receiver mode */
I2C_DevStructure.CPAL_Mode = CPAL_MODE_SLAVE;
I2C_DevStructure.CPAL_State = CPAL_STATE_READY;
/* Start waiting for data to be received in slave mode */
if (CPAL_I2C_Read(&I2C_DevStructure) == CPAL_PASS)
{
LCD_DisplayStringLine(Line9, MEASSAGE_EMPTY);
}
}
}
}
// Setup Peripherals: DMA GPIO ADC DAC
void init_DMA_GPIO_ADC(void)
{
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
DMA_InitTypeDef DMA_InitStructure;
DAC_InitTypeDef DAC_InitStructure;
/* Enable ADC3, DMA2, DMA1, DAC and GPIOC clocks ****************************************/
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);
/* DMA1 clock and GPIOB clock enable (to be used with DAC) */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1 | RCC_AHB1Periph_GPIOB, ENABLE);
/* DAC Periph clock enable */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
/* This enables the peripheral clock to
* the GPIOA IO module
*/
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
/* GPIOD Clock enable*/
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
/* GPIO Init **********************************************************/
init_GPIO(); //see above definition
//Tim6 Configuration:
TIM6_Config();
//ADC3
/* DMA2 Stream0 channel2 configuration **************************************/
DMA_InitStructure.DMA_Channel = DMA_Channel_2;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC3_DR_ADDRESS;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADC3ConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
DMA_InitStructure.DMA_BufferSize = 1;
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_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA2_Stream0, &DMA_InitStructure);
DMA_Cmd(DMA2_Stream0, ENABLE);
//DAC2
/* DAC channel2 Configuration */
DAC_InitStructure.DAC_Trigger = DAC_Trigger_T6_TRGO;
DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;
DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
DAC_Init(DAC_Channel_2, &DAC_InitStructure);
/* DMA1_Stream6 channel7 configuration **************************************/
DMA_DeInit(DMA1_Stream6);
DMA_InitStructure.DMA_Channel = DMA_Channel_7;
DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)DAC_DHR12R2_ADDRESS;
DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&DAC1ConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;
DMA_InitStructure.DMA_BufferSize = 1;
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_FIFOMode = DMA_FIFOMode_Disable;
DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
DMA_Init(DMA1_Stream6, &DMA_InitStructure);
/* Enable DMA1_Stream6 */
DMA_Cmd(DMA1_Stream6, ENABLE);
/* Enable DAC Channel2 */
DAC_Cmd(DAC_Channel_2, ENABLE);
/* Enable DMA for DAC Channel2 */
DAC_DMACmd(DAC_Channel_2, ENABLE);
/* ADC Common Init **********************************************************/
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
ADC_CommonInit(&ADC_CommonInitStructure);
/* ADC3 Init ****************************************************************/
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADC3, &ADC_InitStructure);
/* ADC3 regular channel12 configuration *************************************/
ADC_RegularChannelConfig(ADC3, ADC_Channel_12, 1, ADC_SampleTime_3Cycles);
/* Enable DMA request after last transfer (Single-ADC mode) */
ADC_DMARequestAfterLastTransferCmd(ADC3, ENABLE);
/* Enable ADC3 DMA */
ADC_DMACmd(ADC3, ENABLE);
/* Enable ADC3 */
ADC_Cmd(ADC3, ENABLE);
}
