/**
* @brief Enables ADC, starts conversion of injected group with interruption.
* - JEOC (end of conversion of injected group)
* Each of these interruptions has its dedicated callback function.
* @param hadc: ADC handle
* @retval HAL status.
*/
HAL_StatusTypeDef HAL_ADCEx_InjectedStart_IT(ADC_HandleTypeDef* hadc)
{
HAL_StatusTypeDef tmp_hal_status = HAL_OK;
/* Check the parameters */
assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance));
/* Process locked */
__HAL_LOCK(hadc);
/* Enable the ADC peripheral */
tmp_hal_status = ADC_Enable(hadc);
/* Start conversion if ADC is effectively enabled */
if (tmp_hal_status != HAL_ERROR)
{
/* Check if a regular conversion is ongoing */
if(hadc->State == HAL_ADC_STATE_BUSY_REG)
{
/* Change ADC state */
hadc->State = HAL_ADC_STATE_BUSY_INJ_REG;
}
else
{
/* Change ADC state */
hadc->State = HAL_ADC_STATE_BUSY_INJ;
}
/* Process unlocked */
/* Unlock before starting ADC conversions: in case of potential */
/* interruption, to let the process to ADC IRQ Handler. */
__HAL_UNLOCK(hadc);
/* Set ADC error code to none */
ADC_CLEAR_ERRORCODE(hadc);
/* Clear injected group conversion flag */
/* (To ensure of no unknown state from potential previous ADC operations) */
__HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_JEOC);
/* Enable end of conversion interrupt for injected channels */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_JEOC);
/* Enable conversion of injected group. */
/* If software start has been selected, conversion starts immediately. */
/* If external trigger has been selected, conversion will start at next */
/* trigger event. */
/* If automatic injected conversion is enabled, conversion will start */
/* after next regular group conversion. */
if (ADC_IS_SOFTWARE_START_INJECTED(hadc) &&
HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO) )
{
/* Enable ADC software conversion for injected channels */
SET_BIT(hadc->Instance->CR2, ADC_CR2_JSWSTART);
}
}
/* Return function status */
return tmp_hal_status;
}
void start_adc_pwm(){
//Enable ADC and interrupts
__HAL_ADC_ENABLE(&hadc2);
//Warp field stabilize.
osDelay(2);
__HAL_ADC_ENABLE_IT(&hadc2, ADC_IT_JEOC);
//Init PWM
int half_load = htim1.Instance->ARR/2;
htim1.Instance->CCR1 = half_load;
htim1.Instance->CCR2 = half_load;
htim1.Instance->CCR3 = half_load;
//This hardware obfustication layer really is getting on my nerves
HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_1);
HAL_TIMEx_PWMN_Start(&htim1, TIM_CHANNEL_1);
HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_2);
HAL_TIMEx_PWMN_Start(&htim1, TIM_CHANNEL_2);
HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_3);
HAL_TIMEx_PWMN_Start(&htim1, TIM_CHANNEL_3);
htim1.Instance->CCR4 = 1;
HAL_TIM_PWM_Start_IT(&htim1, TIM_CHANNEL_4);
//Turn off output
//__HAL_TIM_MOE_DISABLE(&htim1);
}
/**
* @brief Enables ADC DMA request after last transfer (Single-ADC mode) and enables ADC peripheral
* @param hadc: pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for the specified ADC.
* @param pData: The destination Buffer address.
* @param Length: The length of data to be transferred from ADC peripheral to memory.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ADC_Start_DMA(ADC_HandleTypeDef* hadc, uint32_t* pData, uint32_t Length)
{
uint16_t i = 0;
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode));
assert_param(IS_ADC_EXT_TRIG_EDGE(hadc->Init.ExternalTrigConvEdge));
/* Process locked */
__HAL_LOCK(hadc);
/* Enable ADC overrun interrupt */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR);
/* Enable ADC DMA mode */
hadc->Instance->CR2 |= ADC_CR2_DMA;
/* Set the DMA transfer complete callback */
hadc->DMA_Handle->XferCpltCallback = ADC_DMAConvCplt;
/* Set the DMA half transfer complete callback */
hadc->DMA_Handle->XferHalfCpltCallback = ADC_DMAHalfConvCplt;
/* Set the DMA error callback */
hadc->DMA_Handle->XferErrorCallback = ADC_DMAError ;
/* Enable the DMA Stream */
HAL_DMA_Start_IT(hadc->DMA_Handle, (uint32_t)&hadc->Instance->DR, (uint32_t)pData, Length);
/* Change ADC state */
hadc->State = HAL_ADC_STATE_BUSY_REG;
/* Check if ADC peripheral is disabled in order to enable it and wait during
Tstab time the ADC's stabilization */
if((hadc->Instance->CR2 & ADC_CR2_ADON) != ADC_CR2_ADON)
{
/* Enable the Peripheral */
__HAL_ADC_ENABLE(hadc);
/* Delay inserted to wait during Tstab time the ADC's stabilazation */
for(; i <= 540; i++)
{
__NOP();
}
}
/* if no external trigger present enable software conversion of regular channels */
if (hadc->Init.ExternalTrigConvEdge == ADC_EXTERNALTRIGCONVEDGE_NONE)
{
/* Enable the selected ADC software conversion for regular group */
hadc->Instance->CR2 |= ADC_CR2_SWSTART;
}
/* Process unlocked */
__HAL_UNLOCK(hadc);
/* Return function status */
return HAL_OK;
}
/**
* @brief Enables ADC DMA request after last transfer (Single-ADC mode) and enables ADC peripheral
* @param hadc: pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for the specified ADC.
* @param pData: The destination Buffer address.
* @param Length: The length of data to be transferred from ADC peripheral to memory.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ADC_Start_DMA(ADC_HandleTypeDef* hadc, uint32_t* pData, uint32_t Length)
{
__IO uint32_t counter = 0;
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode));
assert_param(IS_ADC_EXT_TRIG_EDGE(hadc->Init.ExternalTrigConvEdge));
/* Process locked */
__HAL_LOCK(hadc);
/* Enable ADC overrun interrupt */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR);
/* Enable ADC DMA mode */
hadc->Instance->CR2 |= ADC_CR2_DMA;
/* Set the DMA transfer complete callback */
hadc->DMA_Handle->XferCpltCallback = ADC_DMAConvCplt;
/* Set the DMA half transfer complete callback */
hadc->DMA_Handle->XferHalfCpltCallback = ADC_DMAHalfConvCplt;
/* Set the DMA error callback */
hadc->DMA_Handle->XferErrorCallback = ADC_DMAError ;
/* Enable the DMA Stream */
HAL_DMA_Start_IT(hadc->DMA_Handle, (uint32_t)&hadc->Instance->DR, (uint32_t)pData, Length);
/* Change ADC state */
hadc->State = HAL_ADC_STATE_BUSY_REG;
/* Process unlocked */
__HAL_UNLOCK(hadc);
/* Check if ADC peripheral is disabled in order to enable it and wait during
Tstab time the ADC's stabilization */
if ((hadc->Instance->CR2 & ADC_CR2_ADON) != ADC_CR2_ADON) {
/* Enable the Peripheral */
__HAL_ADC_ENABLE(hadc);
/* Delay for ADC stabilization time */
/* Compute number of CPU cycles to wait for */
counter = (ADC_STAB_DELAY_US * (SystemCoreClock / 1000000));
while (counter != 0) {
counter--;
}
}
/* if no external trigger present enable software conversion of regular channels */
if ((hadc->Instance->CR2 & ADC_CR2_EXTEN) == RESET) {
/* Enable the selected ADC software conversion for regular group */
hadc->Instance->CR2 |= ADC_CR2_SWSTART;
}
/* Return function status */
return HAL_OK;
}
/**
* @brief Configures the analog watchdog.
* @note Analog watchdog thresholds can be modified while ADC conversion is on going.
* In this case, some constraints must be taken into account: the programmed threshold
* values are effective from the next ADC EOC (end of unitary conversion).
* Considering that registers write delay may happen due to bus activity, this might cause
* an uncertainty on the effective timing of the new programmed threshold values.
* @param hadc: pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for the specified ADC.
* @param AnalogWDGConfig : pointer to an ADC_AnalogWDGConfTypeDef structure
* that contains the configuration information of ADC analog watchdog.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ADC_AnalogWDGConfig(ADC_HandleTypeDef* hadc, ADC_AnalogWDGConfTypeDef* AnalogWDGConfig)
{
#ifdef USE_FULL_ASSERT
uint32_t tmp = 0;
#endif /* USE_FULL_ASSERT */
/* Check the parameters */
assert_param(IS_ADC_ANALOG_WATCHDOG(AnalogWDGConfig->WatchdogMode));
assert_param(IS_ADC_CHANNEL(AnalogWDGConfig->Channel));
assert_param(IS_FUNCTIONAL_STATE(AnalogWDGConfig->ITMode));
#ifdef USE_FULL_ASSERT
tmp = ADC_GET_RESOLUTION(hadc);
assert_param(IS_ADC_RANGE(tmp, AnalogWDGConfig->HighThreshold));
assert_param(IS_ADC_RANGE(tmp, AnalogWDGConfig->LowThreshold));
#endif /* USE_FULL_ASSERT */
/* Process locked */
__HAL_LOCK(hadc);
if(AnalogWDGConfig->ITMode == ENABLE)
{
/* Enable the ADC Analog watchdog interrupt */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_AWD);
}
else
{
/* Disable the ADC Analog watchdog interrupt */
__HAL_ADC_DISABLE_IT(hadc, ADC_IT_AWD);
}
/* Clear AWDEN, JAWDEN and AWDSGL bits */
hadc->Instance->CR1 &= ~(ADC_CR1_AWDSGL | ADC_CR1_JAWDEN | ADC_CR1_AWDEN);
/* Set the analog watchdog enable mode */
hadc->Instance->CR1 |= AnalogWDGConfig->WatchdogMode;
/* Set the high threshold */
hadc->Instance->HTR = AnalogWDGConfig->HighThreshold;
/* Set the low threshold */
hadc->Instance->LTR = AnalogWDGConfig->LowThreshold;
/* Clear the Analog watchdog channel select bits */
hadc->Instance->CR1 &= ~ADC_CR1_AWDCH;
/* Set the Analog watchdog channel */
hadc->Instance->CR1 |= (uint32_t)((uint16_t)(AnalogWDGConfig->Channel));
/* Process unlocked */
__HAL_UNLOCK(hadc);
/* Return function status */
return HAL_OK;
}
void test_adc_trigger() {
//Set trigger to mid phase to check for trigger polarity
htim1.Instance->CCR4 = 2048;
HAL_TIM_PWM_Start_IT(&htim1, TIM_CHANNEL_4);
__HAL_ADC_ENABLE(&hadc2);
//Warp field stabilize.
osDelay(2);
__HAL_ADC_ENABLE_IT(&hadc2, ADC_IT_JEOC);
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* This sample code shows how to convert an analog input and read the converted
data using polling mode. */
/* STM32F0xx 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.
- Low Level Initialization
*/
HAL_Init();
/* Configure the system clock to 48 MHz */
SystemClock_Config();
/* Initialize LEDs on board */
BSP_LED_Init(LED1);
BSP_LED_Init(LED3);
/* Configure Tamper push-button in non-interrupt mode */
BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_GPIO);
/* LCD Display init */
Display_Init();
/* Configure the ADC peripheral */
ADC_Config();
/* Run the ADC calibration */
if (HAL_ADCEx_Calibration_Start(&AdcHandle) != HAL_OK)
{
/* Calibration Error */
Error_Handler();
}
/* Configure the TIM peripheral */
TIM_Config();
/*## Enable peripherals ####################################################*/
/* Timer counter enable */
if (HAL_TIM_Base_Start(&TimHandle) != HAL_OK)
{
/* Counter Enable Error */
Error_Handler();
}
/* For this example purpose, enable ADC overrun interruption. */
/* In this ADC LowPower example, ADC overrun is not considered as an error, */
/* but as a way to watch the ADC low power modes effectiveness. */
/* Note: Enabling overrun has no usefulness except for this example purpose:*/
/* ADC overrun cannot occur with ADC low power mode "auto-wait" */
/* Usually, in normal application, overrun is enabled automatically */
/* by HAL ADC driver with functions "HAL_ADC_Start_IT()" or */
/* "HAL_ADC_Start_DMA()", but this is not compliant with low power */
/* modes. Refer to comments of parameter "LowPowerAutoWait" in HAL */
/* ADC driver definition file. */
__HAL_ADC_ENABLE_IT(&AdcHandle, (ADC_IT_OVR));
/* Start ADC conversion */
HAL_ADC_Start(&AdcHandle);
/* Wait for the first ADC conversion to be completed (timeout unit: ms) */
HAL_ADC_PollForConversion(&AdcHandle, (1000/TIMER_FREQUENCY_HZ));
/* Infinite loop */
while (1)
{
/* Wait for at least 2 ADC conversions elapsed time, to let time for */
/* potential overrun event to occur (unit: ms) */
HAL_Delay(2* (1000/TIMER_FREQUENCY_HZ));
/* Manage LED1 status in function of ADC overrun event */
if (ubADC_overrun_status != RESET)
{
/* Turn on LED1 to indicate ADC overrun event */
BSP_LED_On(LED1);
/* Reset overrun status variable for next iteration loop */
ubADC_overrun_status = RESET;
}
else
{
/* Turn off LED1 to indicate no ADC overrun event */
BSP_LED_Off(LED1);
}
/* Press Tamper push-button on STM32091C-EVAL to get the converted data */
while(BSP_PB_GetState(BUTTON_TAMPER) != GPIO_PIN_RESET);
while(BSP_PB_GetState(BUTTON_TAMPER) != GPIO_PIN_SET);
/* Get ADC1 converted data */
/* If ADC low power mode auto-wait is enabled, this release the ADC */
/* from idle mode: a new conversion will start at the next trigger */
/* event. */
uhADCxConvertedValue = HAL_ADC_GetValue(&AdcHandle);
/* Compute the voltage */
uhADCxConvertedVoltage = COMPUTATION_DIGITAL_12BITS_TO_VOLTAGE(uhADCxConvertedValue);
/* Display converted data on the LCD */
Display();
}
}
/**
* @brief Enables the interrupt and starts ADC conversion of regular channels.
* @param hadc: pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for the specified ADC.
* @retval HAL status.
*/
HAL_StatusTypeDef HAL_ADC_Start_IT(ADC_HandleTypeDef* hadc)
{
__IO uint32_t counter = 0;
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode));
assert_param(IS_ADC_EXT_TRIG_EDGE(hadc->Init.ExternalTrigConvEdge));
/* Process locked */
__HAL_LOCK(hadc);
/* Check if an injected conversion is ongoing */
if(hadc->State == HAL_ADC_STATE_BUSY_INJ)
{
/* Change ADC state */
hadc->State = HAL_ADC_STATE_BUSY_INJ_REG;
}
else
{
/* Change ADC state */
hadc->State = HAL_ADC_STATE_BUSY_REG;
}
/* Set ADC error code to none */
hadc->ErrorCode = HAL_ADC_ERROR_NONE;
/* Check if ADC peripheral is disabled in order to enable it and wait during
Tstab time the ADC's stabilization */
if((hadc->Instance->CR2 & ADC_CR2_ADON) != ADC_CR2_ADON)
{
/* Enable the Peripheral */
__HAL_ADC_ENABLE(hadc);
/* Delay for ADC stabilization time */
/* Compute number of CPU cycles to wait for */
counter = (ADC_STAB_DELAY_US * (SystemCoreClock / 1000000));
while(counter != 0)
{
counter--;
}
}
/* Enable the ADC overrun interrupt */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR);
/* Enable the ADC end of conversion interrupt for regular group */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_EOC);
/* Process unlocked */
__HAL_UNLOCK(hadc);
/* Check if Multimode enabled */
if(HAL_IS_BIT_CLR(ADC->CCR, ADC_CCR_MULTI))
{
/* if no external trigger present enable software conversion of regular channels */
if((hadc->Instance->CR2 & ADC_CR2_EXTEN) == RESET)
{
/* Enable the selected ADC software conversion for regular group */
hadc->Instance->CR2 |= (uint32_t)ADC_CR2_SWSTART;
}
}
else
{
/* if instance of handle correspond to ADC1 and no external trigger present enable software conversion of regular channels */
if((hadc->Instance == (ADC_TypeDef*)0x40012000) && ((hadc->Instance->CR2 & ADC_CR2_EXTEN) == RESET))
{
/* Enable the selected ADC software conversion for regular group */
hadc->Instance->CR2 |= (uint32_t)ADC_CR2_SWSTART;
}
}
/* Return function status */
return HAL_OK;
}
/**
* @brief Enables the interrupt and starts ADC conversion of injected channels.
* @param hadc: pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for the specified ADC.
*
* @retval HAL status.
*/
HAL_StatusTypeDef HAL_ADCEx_InjectedStart_IT(ADC_HandleTypeDef* hadc)
{
__IO uint32_t counter = 0;
uint32_t tmp1 = 0, tmp2 =0;
/* Process locked */
__HAL_LOCK(hadc);
/* Check if a regular conversion is ongoing */
if(hadc->State == HAL_ADC_STATE_BUSY_REG)
{
/* Change ADC state */
hadc->State = HAL_ADC_STATE_BUSY_INJ_REG;
}
else
{
/* Change ADC state */
hadc->State = HAL_ADC_STATE_BUSY_INJ;
}
/* Set ADC error code to none */
hadc->ErrorCode = HAL_ADC_ERROR_NONE;
/* Check if ADC peripheral is disabled in order to enable it and wait during
Tstab time the ADC's stabilization */
if((hadc->Instance->CR2 & ADC_CR2_ADON) != ADC_CR2_ADON)
{
/* Enable the Peripheral */
__HAL_ADC_ENABLE(hadc);
/* Delay for temperature sensor stabilization time */
/* Compute number of CPU cycles to wait for */
counter = (ADC_STAB_DELAY_US * (SystemCoreClock / 1000000));
while(counter != 0)
{
counter--;
}
}
/* Enable the ADC end of conversion interrupt for injected group */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_JEOC);
/* Enable the ADC overrun interrupt */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR);
/* Check if Multimode enabled */
if(HAL_IS_BIT_CLR(ADC->CCR, ADC_CCR_MULTI))
{
tmp1 = HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_JEXTEN);
tmp2 = HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO);
if(tmp1 && tmp2)
{
/* Enable the selected ADC software conversion for injected group */
hadc->Instance->CR2 |= ADC_CR2_JSWSTART;
}
}
else
{
tmp1 = HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_JEXTEN);
tmp2 = HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO);
if((hadc->Instance == ADC1) && tmp1 && tmp2)
{
/* Enable the selected ADC software conversion for injected group */
hadc->Instance->CR2 |= ADC_CR2_JSWSTART;
}
}
/* Process unlocked */
__HAL_UNLOCK(hadc);
/* Return function status */
return HAL_OK;
}
/**
* @brief Enables ADC DMA request after last transfer (Multi-ADC mode) and enables ADC peripheral
*
* @note Caution: This function must be used only with the ADC master.
*
* @param hadc: pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for the specified ADC.
* @param pData: Pointer to buffer in which transferred from ADC peripheral to memory will be stored.
* @param Length: The length of data to be transferred from ADC peripheral to memory.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ADCEx_MultiModeStart_DMA(ADC_HandleTypeDef* hadc, uint32_t* pData, uint32_t Length)
{
__IO uint32_t counter = 0U;
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode));
assert_param(IS_ADC_EXT_TRIG_EDGE(hadc->Init.ExternalTrigConvEdge));
assert_param(IS_FUNCTIONAL_STATE(hadc->Init.DMAContinuousRequests));
/* Process locked */
__HAL_LOCK(hadc);
/* Check if ADC peripheral is disabled in order to enable it and wait during
Tstab time the ADC's stabilization */
if((hadc->Instance->CR2 & ADC_CR2_ADON) != ADC_CR2_ADON)
{
/* Enable the Peripheral */
__HAL_ADC_ENABLE(hadc);
/* Delay for temperature sensor stabilization time */
/* Compute number of CPU cycles to wait for */
counter = (ADC_STAB_DELAY_US * (SystemCoreClock / 1000000U));
while(counter != 0U)
{
counter--;
}
}
/* Start conversion if ADC is effectively enabled */
if(HAL_IS_BIT_SET(hadc->Instance->CR2, ADC_CR2_ADON))
{
/* Set ADC state */
/* - Clear state bitfield related to regular group conversion results */
/* - Set state bitfield related to regular group operation */
ADC_STATE_CLR_SET(hadc->State,
HAL_ADC_STATE_READY | HAL_ADC_STATE_REG_EOC | HAL_ADC_STATE_REG_OVR,
HAL_ADC_STATE_REG_BUSY);
/* If conversions on group regular are also triggering group injected, */
/* update ADC state. */
if (READ_BIT(hadc->Instance->CR1, ADC_CR1_JAUTO) != RESET)
{
ADC_STATE_CLR_SET(hadc->State, HAL_ADC_STATE_INJ_EOC, HAL_ADC_STATE_INJ_BUSY);
}
/* State machine update: Check if an injected conversion is ongoing */
if (HAL_IS_BIT_SET(hadc->State, HAL_ADC_STATE_INJ_BUSY))
{
/* Reset ADC error code fields related to conversions on group regular */
CLEAR_BIT(hadc->ErrorCode, (HAL_ADC_ERROR_OVR | HAL_ADC_ERROR_DMA));
}
else
{
/* Reset ADC all error code fields */
ADC_CLEAR_ERRORCODE(hadc);
}
/* Process unlocked */
/* Unlock before starting ADC conversions: in case of potential */
/* interruption, to let the process to ADC IRQ Handler. */
__HAL_UNLOCK(hadc);
/* Set the DMA transfer complete callback */
hadc->DMA_Handle->XferCpltCallback = ADC_MultiModeDMAConvCplt;
/* Set the DMA half transfer complete callback */
hadc->DMA_Handle->XferHalfCpltCallback = ADC_MultiModeDMAHalfConvCplt;
/* Set the DMA error callback */
hadc->DMA_Handle->XferErrorCallback = ADC_MultiModeDMAError ;
/* Manage ADC and DMA start: ADC overrun interruption, DMA start, ADC */
/* start (in case of SW start): */
/* Clear regular group conversion flag and overrun flag */
/* (To ensure of no unknown state from potential previous ADC operations) */
__HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_EOC);
/* Enable ADC overrun interrupt */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR);
if (hadc->Init.DMAContinuousRequests != DISABLE)
{
/* Enable the selected ADC DMA request after last transfer */
ADC->CCR |= ADC_CCR_DDS;
}
else
{
/* Disable the selected ADC EOC rising on each regular channel conversion */
ADC->CCR &= ~ADC_CCR_DDS;
}
/* Enable the DMA Stream */
HAL_DMA_Start_IT(hadc->DMA_Handle, (uint32_t)&ADC->CDR, (uint32_t)pData, Length);
/* if no external trigger present enable software conversion of regular channels */
if((hadc->Instance->CR2 & ADC_CR2_EXTEN) == RESET)
{
/* Enable the selected ADC software conversion for regular group */
hadc->Instance->CR2 |= (uint32_t)ADC_CR2_SWSTART;
}
}
/* Return function status */
return HAL_OK;
}
/**
* @brief Enables the interrupt and starts ADC conversion of injected channels.
* @param hadc: pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for the specified ADC.
*
* @retval HAL status.
*/
HAL_StatusTypeDef HAL_ADCEx_InjectedStart_IT(ADC_HandleTypeDef* hadc)
{
__IO uint32_t counter = 0U;
uint32_t tmp1 = 0U, tmp2 = 0U;
/* Process locked */
__HAL_LOCK(hadc);
/* Enable the ADC peripheral */
/* Check if ADC peripheral is disabled in order to enable it and wait during
Tstab time the ADC's stabilization */
if((hadc->Instance->CR2 & ADC_CR2_ADON) != ADC_CR2_ADON)
{
/* Enable the Peripheral */
__HAL_ADC_ENABLE(hadc);
/* Delay for ADC stabilization time */
/* Compute number of CPU cycles to wait for */
counter = (ADC_STAB_DELAY_US * (SystemCoreClock / 1000000U));
while(counter != 0U)
{
counter--;
}
}
/* Start conversion if ADC is effectively enabled */
if(HAL_IS_BIT_SET(hadc->Instance->CR2, ADC_CR2_ADON))
{
/* Set ADC state */
/* - Clear state bitfield related to injected group conversion results */
/* - Set state bitfield related to injected operation */
ADC_STATE_CLR_SET(hadc->State,
HAL_ADC_STATE_READY | HAL_ADC_STATE_INJ_EOC,
HAL_ADC_STATE_INJ_BUSY);
/* Check if a regular conversion is ongoing */
/* Note: On this device, there is no ADC error code fields related to */
/* conversions on group injected only. In case of conversion on */
/* going on group regular, no error code is reset. */
if (HAL_IS_BIT_CLR(hadc->State, HAL_ADC_STATE_REG_BUSY))
{
/* Reset ADC all error code fields */
ADC_CLEAR_ERRORCODE(hadc);
}
/* Process unlocked */
/* Unlock before starting ADC conversions: in case of potential */
/* interruption, to let the process to ADC IRQ Handler. */
__HAL_UNLOCK(hadc);
/* Clear injected group conversion flag */
/* (To ensure of no unknown state from potential previous ADC operations) */
__HAL_ADC_CLEAR_FLAG(hadc, ADC_FLAG_JEOC);
/* Enable end of conversion interrupt for injected channels */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_JEOC);
/* Check if Multimode enabled */
if(HAL_IS_BIT_CLR(ADC->CCR, ADC_CCR_MULTI))
{
tmp1 = HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_JEXTEN);
tmp2 = HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO);
if(tmp1 && tmp2)
{
/* Enable the selected ADC software conversion for injected group */
hadc->Instance->CR2 |= ADC_CR2_JSWSTART;
}
}
else
{
tmp1 = HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_JEXTEN);
tmp2 = HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO);
if((hadc->Instance == ADC1) && tmp1 && tmp2)
{
/* Enable the selected ADC software conversion for injected group */
hadc->Instance->CR2 |= ADC_CR2_JSWSTART;
}
}
}
/* Return function status */
return HAL_OK;
}
/**
* @brief Enables the interrupt and starts ADC conversion of injected channels.
* @param hadc: pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for the specified ADC.
*
* @retval HAL status.
*/
HAL_StatusTypeDef HAL_ADCEx_InjectedStart_IT(ADC_HandleTypeDef* hadc)
{
uint32_t i = 0, tmp1 = 0, tmp2 =0;
/* Process locked */
__HAL_LOCK(hadc);
/* Check if a regular conversion is ongoing */
if(hadc->State == HAL_ADC_STATE_BUSY_REG)
{
/* Change ADC state */
hadc->State = HAL_ADC_STATE_BUSY_INJ_REG;
}
else
{
/* Change ADC state */
hadc->State = HAL_ADC_STATE_BUSY_INJ;
}
/* Set ADC error code to none */
hadc->ErrorCode = HAL_ADC_ERROR_NONE;
/* Check if ADC peripheral is disabled in order to enable it and wait during
Tstab time the ADC's stabilization */
if((hadc->Instance->CR2 & ADC_CR2_ADON) != ADC_CR2_ADON)
{
/* Enable the Peripheral */
__HAL_ADC_ENABLE(hadc);
/* Delay inserted to wait during Tstab time the ADC's stabilazation */
for(; i <= 540; i++)
{
__NOP();
}
}
/* Enable the ADC end of conversion interrupt for injected group */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_JEOC);
/* Enable the ADC overrun interrupt */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR);
/* Check if Multimode enabled */
if(HAL_IS_BIT_CLR(ADC->CCR, ADC_CCR_MULTI))
{
tmp1 = HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_JEXTEN);
tmp2 = HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO);
if(tmp1 && tmp2)
{
/* Enable the selected ADC software conversion for injected group */
hadc->Instance->CR2 |= ADC_CR2_JSWSTART;
}
}
else
{
tmp1 = HAL_IS_BIT_CLR(hadc->Instance->CR2, ADC_CR2_JEXTEN);
tmp2 = HAL_IS_BIT_CLR(hadc->Instance->CR1, ADC_CR1_JAUTO);
if((hadc->Instance == ADC1) && tmp1 && tmp2)
{
/* Enable the selected ADC software conversion for injected group */
hadc->Instance->CR2 |= ADC_CR2_JSWSTART;
}
}
/* Process unlocked */
__HAL_UNLOCK(hadc);
/* Return function status */
return HAL_OK;
}
/**
* @brief Enables the interrupt and starts ADC conversion of regular channels.
* @param hadc: pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for the specified ADC.
* @retval HAL status.
*/
HAL_StatusTypeDef HAL_ADC_Start_IT(ADC_HandleTypeDef* hadc)
{
uint16_t i = 0;
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(hadc->Init.ContinuousConvMode));
assert_param(IS_ADC_EXT_TRIG_EDGE(hadc->Init.ExternalTrigConvEdge));
/* Process locked */
__HAL_LOCK(hadc);
/* Check if an injected conversion is ongoing */
if(hadc->State == HAL_ADC_STATE_BUSY_INJ)
{
/* Change ADC state */
hadc->State = HAL_ADC_STATE_BUSY_INJ_REG;
}
else
{
/* Change ADC state */
hadc->State = HAL_ADC_STATE_BUSY_REG;
}
/* Set ADC error code to none */
hadc->ErrorCode = HAL_ADC_ERROR_NONE;
/* Check if ADC peripheral is disabled in order to enable it and wait during
Tstab time the ADC's stabilization */
if((hadc->Instance->CR2 & ADC_CR2_ADON) != ADC_CR2_ADON)
{
/* Enable the Peripheral */
__HAL_ADC_ENABLE(hadc);
/* Delay inserted to wait during Tstab time the ADC's stabilazation */
for(; i <= 540; i++)
{
__NOP();
}
}
/* Enable the ADC overrun interrupt */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_OVR);
/* Enable the ADC end of conversion interrupt for regular group */
__HAL_ADC_ENABLE_IT(hadc, ADC_IT_EOC);
/* Check if Multimode enabled */
if(HAL_IS_BIT_CLR(ADC->CCR, ADC_CCR_MULTI))
{
/* if no externel trigger present enable software conversion of regular channels */
if (hadc->Init.ExternalTrigConvEdge == ADC_EXTERNALTRIGCONVEDGE_NONE)
{
/* Enable the selected ADC software conversion for regular group */
hadc->Instance->CR2 |= (uint32_t)ADC_CR2_SWSTART;
}
}
else
{
/* if instance of handle correspond to ADC1 and no external trigger present enable software conversion of regular channels */
if ((hadc->Instance == (ADC_TypeDef*)0x40012000) && (hadc->Init.ExternalTrigConvEdge == ADC_EXTERNALTRIGCONVEDGE_NONE))
{
/* Enable the selected ADC software conversion for regular group */
hadc->Instance->CR2 |= (uint32_t)ADC_CR2_SWSTART;
}
}
/* Process unlocked */
__HAL_UNLOCK(hadc);
/* Return function status */
return HAL_OK;
}
