+ fifos
+ work out a way to unit test
[ ] ADC working at same time as DAC
-
+ [ ] remove (or make optional) the TIM_Config() code that sends PWM output to pins
+ [ ] check comments still valid
+
\*---------------------------------------------------------------------------*/
/*
void Timer1Config();
void adc_configure();
+#define REC_TIME_SECS 30
+#define N 2000
+#define FS 16000
+
int main(void){
+ short buf[N];
+ FILE *frec;
+ int i, bufs;
DMA2_Stream0_fifo = fifo_create(FIFO_SZ);
assert(DMA2_Stream0_fifo != NULL);
Timer1Config();
adc_configure();
ADC_SoftwareStartConv(ADC1);
- while(1){
+
+ frec = fopen("stm_out.raw", "wb");
+ if (frec == NULL) {
+ printf("Error opening input file: stm_out.raw\n\nTerminating....\n");
+ exit(1);
+ }
+ bufs = FS*REC_TIME_SECS/N;
+
+ for(i=0; i<bufs; i++) {
//ConvertedValue = adc_convert();
//printf("ConvertedValue = %d\n", ConvertedValue);
- printf("adc_buf: %d %d half: %d full: %d\n",
+ printf("adc_buf: %d %d half: %d full: %d adc_overflow: %d\n",
adc_buf[0],adc_buf[ADC_BUF_SZ-1],
- half, full);
+ half, full, adc_overflow);
+ while(fifo_read(DMA2_Stream0_fifo, buf, N) != -1);
+ fwrite(buf, sizeof(short), N, frec);
}
+ fclose(frec);
+ printf("Finished!\n");
}
-/* DR: note I dont think any of this is needed, except perhaps to check
- timer frequency */
+/* DR: TIM_Config configures a couple of I/O pins for PWM output from
+ Timer1 Channel 3. Note I dont think any of this is needed, except
+ perhaps to check timer frequency. Can be removed down the track. */
/**
* @brief Configure the TIM1 Pins.
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);
/* GPIOA Configuration: Channel 3 as alternate function push-pull */
+
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_TIM1);
/* GPIOB Configuration: Channel 3N as alternate function push-pull */
+
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource15, GPIO_AF_TIM1);
TIM_Config();
- /* TIM1 DMA Transfer example -------------------------------------------------
+ /* TIM1 example -------------------------------------------------
TIM1 input clock (TIM1CLK) is set to 2 * APB2 clock (PCLK2), since APB2
prescaler is different from 1.
SystemCoreClock is set to 168 MHz for STM32F4xx devices.
The objective is to configure TIM1 channel 3 to generate complementary PWM
- signal with a frequency equal to 17.57 KHz:
- - TIM1_Period = (SystemCoreClock / 17570) - 1
- and a variable duty cycle that is changed by the DMA after a specific number of
- Update DMA request.
+ signal with a frequency equal to F KHz:
+ - TIM1_Period = (SystemCoreClock / F) - 1
The number of this repetitive requests is defined by the TIM1 Repetion counter,
each 3 Update Requests, the TIM1 Channel 3 Duty Cycle changes to the next new
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
/* Time Base configuration */
+
TIM_DeInit(TIM1);
TIM_TimeBaseStructure.TIM_Prescaler = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseStructure.TIM_Period = uhTimerPeriod;
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
- TIM_TimeBaseStructure.TIM_RepetitionCounter = 3;
+ TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);
/* Channel 3 Configuration in PWM mode */
+
+ /* I think we just ned to enable channel 3 somehow, but without
+ (or optionally with) actual ouput to a GPIO pin. */
+
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
/* TIM1 counter enable */
TIM_Cmd(TIM1, ENABLE);
- /* TIM1 Update DMA Request enable */
- //TIM_DMACmd(TIM1, TIM_DMA_CC3, ENABLE);
-
/* Main Output Enable */
TIM_CtrlPWMOutputs(TIM1, ENABLE);
}
// ADC structure configuration
ADC_DeInit();
- ADC_init_structure.ADC_DataAlign = ADC_DataAlign_Right;
+ ADC_init_structure.ADC_DataAlign = ADC_DataAlign_Left;
ADC_init_structure.ADC_Resolution = ADC_Resolution_12b;
-
-#define TMR1_SAMPLING
-#ifdef TMR1_SAMPLING
ADC_init_structure.ADC_ContinuousConvMode = DISABLE;
-#else
- ADC_init_structure.ADC_ContinuousConvMode = ENABLE;
-#endif
-
-#ifdef TMR1_SAMPLING
ADC_init_structure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC3;
ADC_init_structure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
-#else
- ADC_init_structure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
- ADC_init_structure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
-#endif
-
ADC_init_structure.ADC_NbrOfConversion = 1;
ADC_init_structure.ADC_ScanConvMode = DISABLE;
ADC_Init(ADCx,&ADC_init_structure);
for(i=0; i<ADC_BUF_SZ/2; i++) {
sam = (int)adc_buf[i] - 32768;
+ //sam = (int)adc_buf[i];
signed_buf[i] = sam;
}
for(i=0; i<ADC_BUF_SZ/2; i++) {
sam = (int)adc_buf[ADC_BUF_SZ/2 + i] - 32768;
+ //sam = (int)adc_buf[ADC_BUF_SZ/2 + i];
signed_buf[i] = sam;
}
}
}
-#ifdef TRY1
-
-#define ADCx ADC1
-#define ADC_CHANNEL ADC_Channel_7
-#define ADCx_CLK RCC_APB2Periph_ADC1
-#define ADCx_CHANNEL_GPIO_CLK RCC_AHB1Periph_GPIOA
-#define GPIO_PIN GPIO_Pin_7
-#define GPIO_PORT GPIOA
-#define DMA_CHANNELx DMA_Channel_0
-#define DMA_STREAMx DMA2_Stream0
-#define ADCx_DR_ADDRESS ((uint32_t)0x4001204C)
-
-#define TIM1_CCR3_ADDRESS 0x4001223C
-
-TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
-TIM_OCInitTypeDef TIM_OCInitStructure;
-
-uint16_t uhTimerPeriod;
-uint16_t aSRC_Buffer[3] = {0, 0, 0};
-
-unsigned short uhADCxConvertedValue;
-
-static void ADC_Config(void);
-void Timer1Config();
-static void TIM_Config(void);
-
-int main(void) {
- /* check ADC value changes with GND and VCC sampled */
- /* look for 17kHz (ish) on timer pins */
-
- ADC_Config();
- ADC_SoftwareStartConv(ADCx);
-
- Timer1Config();
-
- /* todo: that start up cmd here */
-
- while(1) {
- printf("ADC: %d\n", uhADCxConvertedValue);
- }
-
-}
-
-
-void Timer1Config() {
-
- /* TIM Configuration */
-
- TIM_Config();
-
- /* TIM1 DMA Transfer example -------------------------------------------------
-
- TIM1 input clock (TIM1CLK) is set to 2 * APB2 clock (PCLK2), since APB2
- prescaler is different from 1.
- TIM1CLK = 2 * PCLK2
- PCLK2 = HCLK / 2
- => TIM1CLK = 2 * (HCLK / 2) = HCLK = SystemCoreClock
-
- TIM1CLK = SystemCoreClock, Prescaler = 0, TIM1 counter clock = SystemCoreClock
- SystemCoreClock is set to 168 MHz for STM32F4xx devices.
-
- The objective is to configure TIM1 channel 3 to generate complementary PWM
- signal with a frequency equal to 17.57 KHz:
- - TIM1_Period = (SystemCoreClock / 17570) - 1
- and a variable duty cycle that is changed by the DMA after a specific number of
- Update DMA request.
-
- The number of this repetitive requests is defined by the TIM1 Repetion counter,
- each 3 Update Requests, the TIM1 Channel 3 Duty Cycle changes to the next new
- value defined by the aSRC_Buffer.
-
- Note:
- SystemCoreClock variable holds HCLK frequency and is defined in system_stm32f4xx.c file.
- Each time the core clock (HCLK) changes, user had to call SystemCoreClockUpdate()
- function to update SystemCoreClock variable value. Otherwise, any configuration
- based on this variable will be incorrect.
- -----------------------------------------------------------------------------*/
-
- /* Compute the value to be set in ARR regiter to generate signal frequency at 17.57 Khz */
- uhTimerPeriod = (SystemCoreClock / 17570 ) - 1;
- /* Compute CCR1 value to generate a duty cycle at 50% */
- aSRC_Buffer[0] = (uint16_t) (((uint32_t) 5 * (uhTimerPeriod - 1)) / 10);
- /* Compute CCR1 value to generate a duty cycle at 37.5% */
- aSRC_Buffer[1] = (uint16_t) (((uint32_t) 375 * (uhTimerPeriod - 1)) / 1000);
- /* Compute CCR1 value to generate a duty cycle at 25% */
- aSRC_Buffer[2] = (uint16_t) (((uint32_t) 25 * (uhTimerPeriod - 1)) / 100);
-
- /* TIM1 Peripheral Configuration -------------------------------------------*/
- /* TIM1 clock enable */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
-
- /* Time Base configuration */
- TIM_TimeBaseStructure.TIM_Prescaler = 0;
- TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
- TIM_TimeBaseStructure.TIM_Period = uhTimerPeriod;
- TIM_TimeBaseStructure.TIM_ClockDivision = 0;
- TIM_TimeBaseStructure.TIM_RepetitionCounter = 3;
-
- TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);
-
- /* Channel 3 Configuration in PWM mode */
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
- TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
- TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
- TIM_OCInitStructure.TIM_Pulse = aSRC_Buffer[0];
- TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
- TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_Low;
- TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;
- TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset;
-
- TIM_OC3Init(TIM1, &TIM_OCInitStructure);
-
- /* Enable preload feature */
- TIM_OC3PreloadConfig(TIM1, TIM_OCPreload_Enable);
-
- /* TIM1 counter enable */
- TIM_Cmd(TIM1, ENABLE);
-
- /* DMA enable*/
- DMA_Cmd(DMA2_Stream6, ENABLE);
-
- /* TIM1 Update DMA Request enable */
- TIM_DMACmd(TIM1, TIM_DMA_CC3, ENABLE);
-
- /* Main Output Enable */
- TIM_CtrlPWMOutputs(TIM1, ENABLE);
-}
-
-/**
- * @brief ADC3 channel07 with DMA configuration
- * @note This function Configure the ADC peripheral
- 1) Enable peripheral clocks
- 2) DMA2_Stream0 channel2 configuration
- 3) Configure ADC Channel7 pin as analog input
- 4) Configure ADC3 Channel7
- * @param None
- * @retval None
- */
-static void ADC_Config(void)
-{
- ADC_InitTypeDef ADC_InitStructure;
- ADC_CommonInitTypeDef ADC_CommonInitStructure;
- DMA_InitTypeDef DMA_InitStructure;
- GPIO_InitTypeDef GPIO_InitStructure;
-
- /* Enable ADCx, DMA and GPIO clocks ****************************************/
- RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
- RCC_AHB1PeriphClockCmd(ADCx_CHANNEL_GPIO_CLK, ENABLE);
- RCC_APB2PeriphClockCmd(ADCx_CLK, ENABLE);
-
-
- /* DMA2 Stream0 channel2 configuration **************************************/
- DMA_InitStructure.DMA_Channel = DMA_CHANNELx;
- DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADCx_DR_ADDRESS;
- DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&uhADCxConvertedValue;
- 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(DMA_STREAMx, &DMA_InitStructure);
- DMA_Cmd(DMA_STREAMx, ENABLE);
-
- /* Configure ADC3 Channel7 pin as analog input ******************************/
- GPIO_InitStructure.GPIO_Pin = GPIO_PIN;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
- GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
- GPIO_Init(GPIO_PORT, &GPIO_InitStructure);
-
- /* 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_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
- ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
- ADC_InitStructure.ADC_NbrOfConversion = 1;
- ADC_Init(ADCx, &ADC_InitStructure);
-
- /* ADC3 regular channel7 configuration *************************************/
- ADC_RegularChannelConfig(ADCx, ADC_CHANNEL, 1, ADC_SampleTime_3Cycles);
-
- /* Enable DMA request after last transfer (Single-ADC mode) */
- ADC_DMARequestAfterLastTransferCmd(ADCx, ENABLE);
-
- /* Enable ADC3 DMA */
- ADC_DMACmd(ADCx, ENABLE);
-
- /* Enable ADC3 */
- ADC_Cmd(ADCx, ENABLE);
-}
-
-void Timer1Config() {
-
- /* TIM Configuration */
-
- TIM_Config();
-
- /* TIM1 DMA Transfer example -------------------------------------------------
-
- TIM1 input clock (TIM1CLK) is set to 2 * APB2 clock (PCLK2), since APB2
- prescaler is different from 1.
- TIM1CLK = 2 * PCLK2
- PCLK2 = HCLK / 2
- => TIM1CLK = 2 * (HCLK / 2) = HCLK = SystemCoreClock
-
- TIM1CLK = SystemCoreClock, Prescaler = 0, TIM1 counter clock = SystemCoreClock
- SystemCoreClock is set to 168 MHz for STM32F4xx devices.
-
- The objective is to configure TIM1 channel 3 to generate complementary PWM
- signal with a frequency equal to 17.57 KHz:
- - TIM1_Period = (SystemCoreClock / 17570) - 1
- and a variable duty cycle that is changed by the DMA after a specific number of
- Update DMA request.
-
- The number of this repetitive requests is defined by the TIM1 Repetion counter,
- each 3 Update Requests, the TIM1 Channel 3 Duty Cycle changes to the next new
- value defined by the aSRC_Buffer.
-
- Note:
- SystemCoreClock variable holds HCLK frequency and is defined in system_stm32f4xx.c file.
- Each time the core clock (HCLK) changes, user had to call SystemCoreClockUpdate()
- function to update SystemCoreClock variable value. Otherwise, any configuration
- based on this variable will be incorrect.
- -----------------------------------------------------------------------------*/
-
- /* Compute the value to be set in ARR regiter to generate signal frequency at 17.57 Khz */
- uhTimerPeriod = (SystemCoreClock / 17570 ) - 1;
- /* Compute CCR1 value to generate a duty cycle at 50% */
- aSRC_Buffer[0] = (uint16_t) (((uint32_t) 5 * (uhTimerPeriod - 1)) / 10);
- /* Compute CCR1 value to generate a duty cycle at 37.5% */
- aSRC_Buffer[1] = (uint16_t) (((uint32_t) 375 * (uhTimerPeriod - 1)) / 1000);
- /* Compute CCR1 value to generate a duty cycle at 25% */
- aSRC_Buffer[2] = (uint16_t) (((uint32_t) 25 * (uhTimerPeriod - 1)) / 100);
-
- /* TIM1 Peripheral Configuration -------------------------------------------*/
- /* TIM1 clock enable */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
-
- /* Time Base configuration */
- TIM_TimeBaseStructure.TIM_Prescaler = 0;
- TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
- TIM_TimeBaseStructure.TIM_Period = uhTimerPeriod;
- TIM_TimeBaseStructure.TIM_ClockDivision = 0;
- TIM_TimeBaseStructure.TIM_RepetitionCounter = 3;
-
- TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);
-
- /* Channel 3 Configuration in PWM mode */
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
- TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
- TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
- TIM_OCInitStructure.TIM_Pulse = aSRC_Buffer[0];
- TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
- TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_Low;
- TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;
- TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset;
-
- TIM_OC3Init(TIM1, &TIM_OCInitStructure);
-
- /* Enable preload feature */
- TIM_OC3PreloadConfig(TIM1, TIM_OCPreload_Enable);
-
- /* TIM1 counter enable */
- TIM_Cmd(TIM1, ENABLE);
-
- /* DMA enable*/
- DMA_Cmd(DMA2_Stream6, ENABLE);
-
- /* TIM1 Update DMA Request enable */
- TIM_DMACmd(TIM1, TIM_DMA_CC3, ENABLE);
-
- /* Main Output Enable */
- TIM_CtrlPWMOutputs(TIM1, ENABLE);
-}
-
-/* DR: note I dont think any of this is needed, except perhaps to check
- timer frequency */
-
-/**
- * @brief Configure the TIM1 Pins.
- * @param None
- * @retval None
- */
-static void TIM_Config(void)
-{
- GPIO_InitTypeDef GPIO_InitStructure;
- DMA_InitTypeDef DMA_InitStructure;
-
- /* GPIOA and GPIOB clock enable */
- RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB, ENABLE);
-
- /* GPIOA Configuration: Channel 3 as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 ;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
- GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
- GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
- GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_TIM1);
-
- /* GPIOB Configuration: Channel 3N as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
- GPIO_Init(GPIOB, &GPIO_InitStructure);
- GPIO_PinAFConfig(GPIOB, GPIO_PinSource15, GPIO_AF_TIM1);
-
- /* DMA clock enable */
- RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 , ENABLE);
-
- DMA_DeInit(DMA2_Stream6);
- DMA_InitStructure.DMA_Channel = DMA_Channel_6;
- DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)(TIM1_CCR3_ADDRESS) ;
- DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)aSRC_Buffer;
- DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;
- DMA_InitStructure.DMA_BufferSize = 3;
- 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_PeripheralDataSize_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_Full;
- DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
- DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
-
- DMA_Init(DMA2_Stream6, &DMA_InitStructure);
-}
-#endif