rt-thread/bsp/acm32f4xx-nucleo/libraries/HAL_Driver/Src/HAL_ADC.c

914 lines
35 KiB
C
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*
******************************************************************************
* @file HAL_ADC.c
* @version V1.0.0
* @date 2020
* @brief ADC HAL module driver.
* This file provides firmware functions to manage the following
* functionalities of the Analog to Digital Converter (ADC) peripheral:
* @ Initialization functions
* @ IO operation functions
******************************************************************************
*/
#include "ACM32Fxx_HAL.h"
extern ADC_HandleTypeDef ADC_Handle;
/************************************************************************
* function : HAL_ADC_IRQHandler
* Description: This function handles SPI interrupt request.
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
************************************************************************/
__weak void HAL_ADC_IRQHandler(ADC_HandleTypeDef *hadc)
{
__IO uint32_t Status;
/* Check the parameters */
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return;
if(!IS_ADC_ALL_CONCONVMODE(hadc->Init.ConConvMode)) return;
Status = hadc->Instance->SR;
/************ Check End of Conversion flag for injected ************/
if(__HAL_ADC_GET_IT_SOURCE(hadc, ADC_IE_JEOCIE))
{
if((Status & ADC_SR_JEOC) == ADC_SR_JEOC)
{
if(__HAL_ADC_CHECK_TRIG_INJECTED(hadc, ADC_SOFTWARE_START) ||
((__HAL_ADC_CHECK_TRIG_REGULAR(hadc, ADC_SOFTWARE_START)) &&
(hadc->Init.ConConvMode == 0)))
{
/* Disable ADC end of conversion interrupt on group injected */
__HAL_ADC_DISABLE_IT(hadc, ADC_IE_JEOCIE);
}
/* Conversion complete callback */
if (NULL != hadc->InjectedConvCpltCallback)
hadc->InjectedConvCpltCallback(hadc);
/* Clear injected group conversion flag */
__HAL_ADC_CLEAR_FLAG(hadc, ADC_SR_JEOC);
}
}
/************ Check Conversion flag for regular group ************/
if(__HAL_ADC_GET_IT_SOURCE(hadc, ADC_IE_EOCIE))
{
if((Status & ADC_SR_EOC) == ADC_SR_EOC)
{
/* Conversion complete callback */
if (NULL != hadc->ConvCpltCallback)
hadc->ConvCpltCallback(hadc);
/* Clear conversion flag */
__HAL_ADC_CLEAR_FLAG(hadc, ADC_SR_EOC);
}
}
/************ Check Analog watchdog flags ************/
if(__HAL_ADC_GET_IT_SOURCE(hadc, ADC_IE_AWDIE))
{
if((Status & ADC_SR_AWD) == ADC_SR_AWD)
{
/* Level out of window callback */
if (NULL != hadc->LevelOutOfWindowCallback)
hadc->LevelOutOfWindowCallback(hadc);
/* Clear the ADC analog watchdog flag */
__HAL_ADC_CLEAR_FLAG(hadc, ADC_SR_AWD);
}
}
/************ Check End of Conversion flag for regular group ************/
if(__HAL_ADC_GET_IT_SOURCE(hadc, ADC_IE_EOGIE))
{
if((Status & ADC_SR_EOG) == ADC_SR_EOG)
{
if((__HAL_ADC_CHECK_TRIG_REGULAR(hadc, ADC_SOFTWARE_START)) &&
(hadc->Init.ConConvMode == 0))
{
/* Disable ADC end of conversion interrupt on group regular */
__HAL_ADC_DISABLE_IT(hadc, ADC_IE_EOGIE);
}
/* Conversion complete callback */
if (NULL != hadc->GroupCpltCallback)
hadc->GroupCpltCallback(hadc);
/* Clear regular group conversion flag */
__HAL_ADC_CLEAR_FLAG(hadc, ADC_SR_EOG);
}
}
}
/************************************************************************
* function : HAL_ADC_MspInit
* Description:
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : none
************************************************************************/
__weak void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)
{
uint32_t i;
uint32_t ADC_Pin_Map[][3] =
{
{ ADC_CHANNEL_0_EN, GPIOC, GPIO_PIN_5 },
{ ADC_CHANNEL_1_EN, GPIOA, GPIO_PIN_7 },
{ ADC_CHANNEL_2_EN, GPIOA, GPIO_PIN_5 },
{ ADC_CHANNEL_3_EN, GPIOA, GPIO_PIN_3 },
{ ADC_CHANNEL_4_EN, GPIOC, GPIO_PIN_3 },
{ ADC_CHANNEL_5_EN, GPIOC, GPIO_PIN_1 },
{ ADC_CHANNEL_6_EN, GPIOA, GPIO_PIN_0 },
{ ADC_CHANNEL_8_EN, GPIOC, GPIO_PIN_4 },
{ ADC_CHANNEL_9_EN, GPIOA, GPIO_PIN_6 },
{ ADC_CHANNEL_10_EN, GPIOA, GPIO_PIN_4 },
{ ADC_CHANNEL_11_EN, GPIOA, GPIO_PIN_2 },
{ ADC_CHANNEL_12_EN, GPIOC, GPIO_PIN_2 },
{ ADC_CHANNEL_13_EN, GPIOC, GPIO_PIN_0 },
{ ADC_CHANNEL_VBAT_EN, GPIOA, GPIO_PIN_1 },
{ ADC_CHANNEL_EXT2_EN, GPIOB, GPIO_PIN_1 },
{ ADC_CHANNEL_EXT3_EN, GPIOB, GPIO_PIN_2 },
{ 0xffffffff, 0 }, //结束标志
};
/*
NOTE : This function should be modified by the user.
*/
/* For Example */
GPIO_InitTypeDef GPIO_Handle;
//Set gpio to analog.
for(i = 0; ADC_Pin_Map[i][0] != 0xffffffff; i++)
{
if(hadc->Init.ChannelEn & ADC_Pin_Map[i][0])
{
GPIO_Handle.Pin = ADC_Pin_Map[i][2];
GPIO_Handle.Mode = GPIO_MODE_ANALOG;
GPIO_Handle.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADC_Pin_Map[i][1], &GPIO_Handle);
}
}
/* Enable ADC Clock */
System_Module_Enable(EN_ADC);
/* Clear Pending Interrupt */
NVIC_ClearPendingIRQ(ADC_IRQn);
/* Enable External Interrupt */
NVIC_EnableIRQ(ADC_IRQn);
}
/************************************************************************
* function : HAL_ADC_MspDeInit
* Description:
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : none
************************************************************************/
__weak void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc)
{
/*
NOTE : This function should be modified by the user.
*/
/* For Example */
if(hadc->Init.DMAMode)
{
HAL_DMA_DeInit(hadc->DMA_Handle);
hadc->DMA_Handle = NULL;
}
/* Disable ADC Clock */
System_Module_Disable(EN_ADC);
/* Clear Pending Interrupt */
NVIC_ClearPendingIRQ(ADC_IRQn);
/* Disable External Interrupt */
NVIC_DisableIRQ(ADC_IRQn);
}
/************************************************************************
* function : HAL_ADC_Init
* Description: Init the ADC module
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_Init(ADC_HandleTypeDef* hadc)
{
/* Check the ADC handle allocation */
if (hadc == NULL)
{
return HAL_ERROR;
}
/* Check the parameters */
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
if(!IS_ADC_ALL_CONCONVMODE(hadc->Init.ConConvMode)) return HAL_ERROR;
if(!IS_ADC_ALL_JCHANNELMODE(hadc->Init.JChannelMode)) return HAL_ERROR;
if(!IS_ADC_ALL_DIFFMODE(hadc->Init.DiffMode)) return HAL_ERROR;
if(!IS_ADC_ALL_DMAMODE(hadc->Init.DMAMode)) return HAL_ERROR;
if(!IS_ADC_ALL_OVERMODE(hadc->Init.OverMode)) return HAL_ERROR;
if(!IS_ADC_ALL_OVERSAMPMODE(hadc->Init.OverSampMode)) return HAL_ERROR;
if(!IS_ADC_ALL_OVSR(hadc->Init.Oversampling.Ratio)) return HAL_ERROR;
if(!IS_ADC_ALL_OVSS(hadc->Init.Oversampling.RightBitShift)) return HAL_ERROR;
if(!IS_ADC_ALL_ANALOGWDGEN(hadc->Init.AnalogWDGEn)) return HAL_ERROR;
if(!IS_ADC_ALL_CLOCKDIV(hadc->Init.ClockDiv)) return HAL_ERROR;
if(!IS_ADC_ALL_CHANNELEN(hadc->Init.ChannelEn)) return HAL_ERROR;
if(!IS_ADC_ALL_TRIG(hadc->Init.ExTrigMode.ExTrigSel)) return HAL_ERROR;
if(!IS_ADC_ALL_CHANNELEN(hadc->Init.ExTrigMode.JExTrigSel)) return HAL_ERROR;
/* Init the low level hardware : GPIO, CLOCK, NVIC, DMA */
HAL_ADC_MspInit(hadc);
//Reset AFE.
SET_BIT(hadc->Instance->CR2,ADC_CR2_AFE_RSTN);
//Set Clock DIV.
MODIFY_REG(hadc->Instance->CR2,ADC_CR2_DIV_MASK,hadc->Init.ClockDiv<<ADC_CR2_DIV_POS);
//Set continued convert mode
if(hadc->Init.ConConvMode)
SET_BIT(hadc->Instance->CR1,ADC_CR1_CONT);
else
CLEAR_BIT(hadc->Instance->CR1,ADC_CR1_CONT);
//Overflow
if(hadc->Init.OverMode == ADC_OVERMODE_ENABLE)
SET_BIT(hadc->Instance->CR2,ADC_CR2_OVRMOD);
else
CLEAR_BIT(hadc->Instance->CR2,ADC_CR2_OVRMOD);
//Over Sample Set
if(hadc->Init.OverSampMode)
{
if(hadc->Init.JChannelMode)
{
SET_BIT(hadc->Instance->CR2,ADC_CR2_JOVSE); // Inject channel over sample en.
if(hadc->Init.Oversampling.TriggeredMode)
SET_BIT(hadc->Instance->CR2,ADC_CR2_JTOVS); // N times sample every trig.
else
CLEAR_BIT(hadc->Instance->CR2,ADC_CR2_JTOVS); // 1 time sample every trig.
}
MODIFY_REG(hadc->Instance->CR2,ADC_CR2_OVSR_MASK,hadc->Init.Oversampling.Ratio<<ADC_CR2_OVSR_POS); //over sample rate
MODIFY_REG(hadc->Instance->CR2,ADC_CR2_OVSS_MASK,hadc->Init.Oversampling.RightBitShift<<ADC_CR2_OVSS_POS); //over sample right shift.
SET_BIT(hadc->Instance->CR2,ADC_CR2_OVSE); // Regular channel over sample en.
}
//ExTrigSel set
MODIFY_REG(hadc->Instance->CR1,ADC_CR1_EXTSEL_MASK,hadc->Init.ExTrigMode.ExTrigSel<<ADC_CR1_EXTSEL_POS);
if(hadc->Init.JChannelMode)
{
/* Enable the inject channel */
SET_BIT(hadc->Instance->CR1, ADC_CR1_JEN);
//JExTrigSel set
MODIFY_REG(hadc->Instance->CR1,ADC_CR1_JEXTSEL_MASK,hadc->Init.ExTrigMode.JExTrigSel<<ADC_CR1_JEXTSEL_POS);
}
//Clear the sequence length.
CLEAR_BIT(hadc->Instance->SQR1,ADC_SQR1_L); //Clear the sequence length.
return HAL_OK;
}
/************************************************************************
* function : HAL_ADC_DeInit
* Description: DeInit the ADC module
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_DeInit(ADC_HandleTypeDef* hadc)
{
/* Check the ADC handle allocation */
if (hadc == NULL)
{
return HAL_ERROR;
}
HAL_ADC_MspDeInit(hadc);
hadc->ChannelNum = 0;
hadc->ConvCpltCallback = NULL;
hadc->InjectedConvCpltCallback = NULL;
hadc->LevelOutOfWindowCallback = NULL;
memset(&hadc->Init, 0, sizeof(hadc->Init));
return HAL_OK;
}
/************************************************************************
* function : HAL_ADC_ConfigChannel
* Description: Config the regular channel
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* sConfig : pointer to a ADC_ChannelConfTypeDef structure that contains
* the configuration information for ADC channel
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_ConfigChannel(ADC_HandleTypeDef* hadc, ADC_ChannelConfTypeDef* sConfig)
{
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
if(!IS_ADC_ALL_CHANNEL(sConfig->Channel)) return HAL_ERROR;
if(!IS_ADC_ALL_SMPCLOCK(sConfig->Smp)) return HAL_ERROR;
if(!IS_ADC_ALL_SEQUENCE(sConfig->Sq)) return HAL_ERROR;
/* Differential mode set*/
if(hadc->Init.DiffMode)
{
if(sConfig->Channel < 8)
{
SET_BIT(hadc->Instance->DIFF,1<<sConfig->Channel);
SET_BIT(hadc->Instance->SIGN,1<<sConfig->Channel); //If define differential mode ,set as sign resault
}
else
return HAL_ERROR;
}
else if(sConfig->Channel < 8)
{
CLEAR_BIT(hadc->Instance->DIFF,1<<sConfig->Channel);
CLEAR_BIT(hadc->Instance->SIGN,1<<sConfig->Channel); //If define differential mode ,set as unsign resault
}
if((sConfig->Channel >= 8) && (hadc->Instance->DIFF & (1<<(sConfig->Channel-8)))) return HAL_ERROR;
if(sConfig->RjMode == 0)
{
if((sConfig->Sq >= 1)&&(sConfig->Sq <= 5))
MODIFY_REG(hadc->Instance->SQR1,(ADC_CH_MASK << (5*sConfig->Sq )),(sConfig->Channel << (5*sConfig->Sq )));
else if((sConfig->Sq >= 6)&&(sConfig->Sq <= 11))
MODIFY_REG(hadc->Instance->SQR2,(ADC_CH_MASK << (5*(sConfig->Sq-6))),(sConfig->Channel << (5*(sConfig->Sq-6))));
else if((sConfig->Sq >= 12)&&(sConfig->Sq <= 16))
MODIFY_REG(hadc->Instance->SQR3,(ADC_CH_MASK << (5*(sConfig->Sq-12))),(sConfig->Channel << (5*(sConfig->Sq-12))));
else
return HAL_ERROR;
}
else
{
/* Inject channel */
MODIFY_REG(hadc->Instance->JSQR,ADC_CH_MASK,sConfig->Channel);
}
MODIFY_REG(hadc->Instance->SQR1,ADC_SQR1_L,(ADC_Handle.ChannelNum-1));
/* Set the SMPR to every register*/
if(sConfig->Channel <= ADC_CHANNEL_7)
MODIFY_REG(hadc->Instance->SMPR1,(ADC_SMPR_CH_MASK << (4*sConfig->Channel )),(sConfig->Smp << (4*sConfig->Channel )));
else if((sConfig->Channel >= ADC_CHANNEL_8)&&(sConfig->Channel <= ADC_CHANNEL_15))
MODIFY_REG(hadc->Instance->SMPR2,(ADC_SMPR_CH_MASK << (4*(sConfig->Channel-8))),(sConfig->Smp << (4*(sConfig->Channel-8))));
else if((sConfig->Channel >= ADC_CHANNEL_TEMP)&&(sConfig->Channel <= ADC_CHANNEL_EXT3))
MODIFY_REG(hadc->Instance->SMPR3,(ADC_SMPR_CH_MASK << (4*(sConfig->Channel-16))),(sConfig->Smp << (4*(sConfig->Channel-16))));
else
return HAL_ERROR;
if(hadc->Init.ChannelEn & ADC_CHANNEL_TEMP_EN)
{
SET_BIT(hadc->Instance->TSREF,ADC_TSREF_EN_TS);//Enable the temperature sensor
System_Delay(1000);
}
if(hadc->Init.ChannelEn & (ADC_CHANNEL_VBGR_EN | ADC_CHANNEL_EXT2_EN | ADC_CHANNEL_EXT3_EN))
{
SET_BIT(hadc->Instance->CR2,ADC_CR2_EN_BUF);//Enable the buffer
System_Delay(1000);
}
return HAL_OK;
}
/************************************************************************
* function : HAL_ADC_AnalogWDGConfig
* Description: Config the analog watchdog
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* AnalogWDGConfig : pointer to a ADC_AnalogWDGConfTypeDef structure that contains
* the configuration information for ADC analog watchdog
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_AnalogWDGConfig(ADC_HandleTypeDef* hadc, ADC_AnalogWDGConfTypeDef* AnalogWDGConfig)
{
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
if(!IS_ADC_ALL_CHANNEL(AnalogWDGConfig->Channel)) return HAL_ERROR;
if (hadc->Init.AnalogWDGEn)
{
switch(AnalogWDGConfig->WatchdogMode)
{
/* AWDSGL:0; AWDEN:1; JAWDEN:0 */
case ADC_ANALOGWATCHDOG_RCH_ALL:
CLEAR_BIT(hadc->Instance->CR1,ADC_CR1_AWDSGL);
SET_BIT(hadc->Instance->CR1,ADC_CR1_AWDEN);
CLEAR_BIT(hadc->Instance->CR1,ADC_CR1_JAWDEN);
break;
/* AWDSGL:0; AWDEN:0; JAWDEN:1 */
case ADC_ANALOGWATCHDOG_JCH_ALL:
CLEAR_BIT(hadc->Instance->CR1,ADC_CR1_AWDSGL);
CLEAR_BIT(hadc->Instance->CR1,ADC_CR1_AWDEN);
SET_BIT(hadc->Instance->CR1,ADC_CR1_JAWDEN);
break;
/* AWDSGL:0; AWDEN:1; JAWDEN:1 */
case ADC_ANALOGWATCHDOG_RCH_AND_JCH_ALL:
CLEAR_BIT(hadc->Instance->CR1,ADC_CR1_AWDSGL);
SET_BIT(hadc->Instance->CR1,ADC_CR1_AWDEN);
SET_BIT(hadc->Instance->CR1,ADC_CR1_JAWDEN);
break;
/* AWDSGL:1; AWDEN:1; JAWDEN:0 */
case ADC_ANALOGWATCHDOG_RCH_SINGLE:
SET_BIT(hadc->Instance->CR1,ADC_CR1_AWDSGL);
SET_BIT(hadc->Instance->CR1,ADC_CR1_AWDEN);
CLEAR_BIT(hadc->Instance->CR1,ADC_CR1_JAWDEN);
MODIFY_REG(hadc->Instance->CR1,ADC_CH_MASK,AnalogWDGConfig->Channel); //The regular watchdog channel set
break;
/* AWDSGL:1; AWDEN:0; JAWDEN:1 */
case ADC_ANALOGWATCHDOG_JCH_SINGLE:
SET_BIT(hadc->Instance->CR1,ADC_CR1_AWDSGL);
CLEAR_BIT(hadc->Instance->CR1,ADC_CR1_AWDEN);
SET_BIT(hadc->Instance->CR1,ADC_CR1_JAWDEN);
MODIFY_REG(hadc->Instance->CR1,(ADC_CH_MASK<<27),AnalogWDGConfig->Channel<<27); //The inject watchdog channel set
break;
/* AWDSGL:1; AWDEN:1; JAWDEN:1 */
case ADC_ANALOGWATCHDOG_RCH_OR_JCH_SINGLE:
SET_BIT(hadc->Instance->CR1,ADC_CR1_AWDSGL);
SET_BIT(hadc->Instance->CR1,ADC_CR1_AWDEN);
SET_BIT(hadc->Instance->CR1,ADC_CR1_JAWDEN);
MODIFY_REG(hadc->Instance->CR1,ADC_CH_MASK,AnalogWDGConfig->Channel); //The regular watchdog channel set
MODIFY_REG(hadc->Instance->CR1,(ADC_CH_MASK<<27),AnalogWDGConfig->Channel<<27); //The inject watchdog channel set
break;
/* AWDSGL:x; AWDEN:0; JAWDEN:0 */
default: /* ADC_ANALOGWATCHDOG_NONE */
CLEAR_BIT(hadc->Instance->CR1,ADC_CR1_AWDEN);
CLEAR_BIT(hadc->Instance->CR1,ADC_CR1_JAWDEN);
break;
}
/* Configure ADC analog watchdog interrupt */
if(AnalogWDGConfig->ITMode)
__HAL_ADC_ENABLE_IT(hadc,ADC_IE_AWDIE);
else
__HAL_ADC_DISABLE_IT(hadc,ADC_IE_AWDIE);
}
if(hadc->Init.DiffMode)
{
hadc->Instance->HTR = AnalogWDGConfig->HighThreshold<<16;
hadc->Instance->LTR = AnalogWDGConfig->LowThreshold<<16;
}
else
{
hadc->Instance->HTR = AnalogWDGConfig->HighThreshold;
hadc->Instance->LTR = AnalogWDGConfig->LowThreshold;
}
/* Return function status */
return HAL_OK;
}
/************************************************************************
* function : HAL_ADC_Start
* Description: Enable and start the ADC convertion
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_Start(ADC_HandleTypeDef* hadc)
{
/* Check the parameters */
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
/* check the total number of the enabled channels */
if((READ_BIT(hadc->Instance->SQR1,ADC_SQR1_L)+1) != hadc->ChannelNum) return HAL_ERROR;
/* Enable the ADC */
__HAL_ADC_ENABLE(hadc);
/* Clear the SR register */
__HAL_ADC_CLEAR_FLAG(hadc,ADC_SR_AWD | ADC_SR_OVERF | ADC_SR_EOG | ADC_SR_JEOC | ADC_SR_EOC | ADC_SR_ADRDY);
/* Wait ADC ready */
while(!(hadc->Instance->SR & ADC_SR_ADRDY));
if(__HAL_ADC_CHECK_TRIG_REGULAR(hadc, ADC_SOFTWARE_START))
{
/* Start covertion */
SET_BIT(hadc->Instance->CR1,ADC_CR1_SWSTART);
}
/* Return function status */
return HAL_OK;
}
/************************************************************************
* function : HAL_ADC_Stop
* Description: Stop ADC conversion of regular group (and injected channels in
* case of auto_injection mode), disable ADC peripheral.
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_Stop(ADC_HandleTypeDef* hadc)
{
/* Check the parameters */
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
if(hadc->Init.ConConvMode)
{
/* Set stop flag */
SET_BIT(hadc->Instance->CR2, ADC_CR2_ADC_STP);
/* Waitting stop flag be cleared */
while(READ_BIT(hadc->Instance->CR2, ADC_CR2_ADC_STP));
}
/* Disable the ADC peripheral */
__HAL_ADC_DISABLE(hadc);
/* Clear the SR register */
__HAL_ADC_CLEAR_FLAG(hadc,ADC_SR_AWD | ADC_SR_OVERF | ADC_SR_EOG | ADC_SR_JEOC | ADC_SR_EOC | ADC_SR_ADRDY);
/* Return function status */
return HAL_OK;
}
/************************************************************************
* function : HAL_ADC_Start_IT
* Description: Enable ADC, start conversion of regular group with interruption.
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_Start_IT(ADC_HandleTypeDef* hadc)
{
/* Check the parameters */
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
/* Enable the ADC */
__HAL_ADC_ENABLE(hadc);
/* Clear the SR register */
__HAL_ADC_CLEAR_FLAG(hadc,ADC_SR_AWD | ADC_SR_OVERF | ADC_SR_EOG | ADC_SR_JEOC | ADC_SR_EOC | ADC_SR_ADRDY);
/* Disable all interruptions before enabling the desired ones */
__HAL_ADC_DISABLE_IT(hadc, ADC_IE_EOCIE | ADC_IE_EOGIE | ADC_IE_OVERFIE | ADC_IE_JEOCIE);
__HAL_ADC_ENABLE_IT(hadc, ADC_IE_EOCIE | ADC_IE_EOGIE);
/* Enable ADC overrun interrupt */
/* If hadc->Init.OverMode is set to ADC_OVERMODE_DISABLE, only then is
ADC_IE_OVERFIE enabled; otherwise data overwrite is considered as normal
behavior and no CPU time is lost for a non-processed interruption */
if (hadc->Init.OverMode == ADC_OVERMODE_DISABLE)
{
__HAL_ADC_ENABLE_IT(hadc, ADC_IE_OVERFIE);
}
if(__HAL_ADC_CHECK_TRIG_REGULAR(hadc, ADC_SOFTWARE_START))
{
/* Start covertion */
SET_BIT(hadc->Instance->CR1,ADC_CR1_SWSTART);
}
/* Return function status */
return HAL_OK;
}
/************************************************************************
* function : HAL_ADC_Stop_IT
* Description: Stop ADC conversion of regular group (and injected group in
* case of auto_injection mode), disable interrution of
* end-of-conversion, disable ADC peripheral.
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_Stop_IT(ADC_HandleTypeDef* hadc)
{
/* Check the parameters */
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
if(hadc->Init.ConConvMode)
{
/* Set stop flag */
SET_BIT(hadc->Instance->CR2, ADC_CR2_ADC_STP);
/* Waitting stop flag be cleared */
while(READ_BIT(hadc->Instance->CR2, ADC_CR2_ADC_STP));
}
/* Disable the ADC peripheral */
__HAL_ADC_DISABLE(hadc);
/* Disable all interruptions before enabling the desired ones */
__HAL_ADC_DISABLE_IT(hadc, ADC_IE_EOCIE | ADC_IE_EOGIE | ADC_IE_OVERFIE | ADC_IE_JEOCIE);
/* Clear the SR register */
__HAL_ADC_CLEAR_FLAG(hadc,ADC_SR_AWD | ADC_SR_OVERF | ADC_SR_EOG | ADC_SR_JEOC | ADC_SR_EOC | ADC_SR_ADRDY);
/* Return function status */
return HAL_OK;
}
/************************************************************************
* function : HAL_ADC_Start_DMA
* Description: Enable ADC, start conversion of regular group and transfer result through DMA.
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* : pData : Destination Buffer address.
* : Length : Number of data to be transferred from ADC peripheral to memory.
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_Start_DMA(ADC_HandleTypeDef* hadc, uint32_t* pData, uint32_t Length)
{
HAL_StatusTypeDef tmp_hal_status;
/* Check the parameters */
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
/* Specific case for first call occurrence of this function (DMA transfer */
/* not activated and ADC disabled), DMA transfer must be activated */
/* with ADC disabled. */
if (READ_BIT(hadc->Instance->CR1,ADC_CR1_DMA) == 0UL)
{
if(READ_BIT(hadc->Instance->CR2, ADC_CR2_ADC_EN))
{
/* Disable ADC */
__HAL_ADC_DISABLE(hadc);
}
/* Enable ADC DMA mode */
SET_BIT(hadc->Instance->CR1,ADC_CR1_DMA);
}
/* Enable the ADC peripheral */
__HAL_ADC_ENABLE(hadc);
/* Clear the SR register */
__HAL_ADC_CLEAR_FLAG(hadc,ADC_SR_AWD | ADC_SR_OVERF | ADC_SR_EOG | ADC_SR_JEOC | ADC_SR_EOC | ADC_SR_ADRDY);
/* Disable all interruptions before enabling the desired ones */
__HAL_ADC_DISABLE_IT(hadc, ADC_IE_EOCIE | ADC_IE_EOGIE | ADC_IE_OVERFIE | ADC_IE_JEOCIE);
/* Start the DMA channel */
tmp_hal_status = HAL_DMA_Start_IT(hadc->DMA_Handle, (uint32_t)&hadc->Instance->DR, (uint32_t)pData, Length);
/* Enable conversion of regular group. */
/* If software start has been selected, conversion starts immediately. */
/* If external trigger has been selected, conversion will start at next */
/* trigger event. */
/* Start ADC group regular conversion */
if(__HAL_ADC_CHECK_TRIG_REGULAR(hadc, ADC_SOFTWARE_START))
{
/* Start covertion */
SET_BIT(hadc->Instance->CR1,ADC_CR1_SWSTART);
}
/* Return function status */
return tmp_hal_status;
}
/************************************************************************
* function : HAL_ADC_Stop_DMA
* Description: Stop ADC conversion of regular group (and injected group in
* case of auto_injection mode), disable ADC DMA transfer, disable
* ADC peripheral.
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_Stop_DMA(ADC_HandleTypeDef* hadc)
{
/* Check the parameters */
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
if(hadc->Init.ConConvMode)
{
/* Set stop flag */
SET_BIT(hadc->Instance->CR2, ADC_CR2_ADC_STP);
/* Waitting stop flag be cleared */
while(READ_BIT(hadc->Instance->CR2, ADC_CR2_ADC_STP));
}
/* Waitting stop flag be cleared */
while(READ_BIT(hadc->Instance->CR2, ADC_CR2_ADC_STP));
/* Disable the DMA channel (in case of DMA in circular mode or stop */
/* while DMA transfer is on going) */
HAL_DMA_Abort(hadc->DMA_Handle);
/* Disable ADC overrun interrupt */
__HAL_ADC_DISABLE_IT(hadc, ADC_IE_OVERFIE);
/* 2. Disable the ADC peripheral */
/* Update "tmp_hal_status" only if DMA channel disabling passed, to keep */
/* in memory a potential failing status. */
/* Disable the ADC peripheral */
__HAL_ADC_DISABLE(hadc);
/* Disable all interruptions before enabling the desired ones */
__HAL_ADC_DISABLE_IT(hadc, ADC_IE_EOCIE | ADC_IE_EOGIE | ADC_IE_OVERFIE | ADC_IE_JEOCIE);
/* Clear the SR register */
__HAL_ADC_CLEAR_FLAG(hadc,ADC_SR_AWD | ADC_SR_OVERF | ADC_SR_EOG | ADC_SR_JEOC | ADC_SR_EOC | ADC_SR_ADRDY);
/* Disable ADC DMA (ADC DMA configuration of continuous requests is kept) */
CLEAR_BIT(hadc->Instance->CR1,ADC_CR1_DMA);
/* Return function status */
return HAL_OK;
}
/************************************************************************
* function : HAL_ADC_GetValue
* Description: ADC retrieve conversion value intended to be used with polling or interruption
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : uint32_t the ADC covert result.
************************************************************************/
uint32_t HAL_ADC_GetValue(ADC_HandleTypeDef *hadc)
{
/* Check the parameters */
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
return (hadc->Instance->DR);
}
/************************************************************************
* function : HAL_ADC_PollForEvent
* Description: Poll for ADC event.
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* : EventType: the ADC event type. can be ADC_SR_AWD,ADC_SR_OVERF,ADC_SR_EOG,ADC_SR_JEOC,ADC_SR_EOC
* : Timeout : Polling timeout.
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_PollForEvent(ADC_HandleTypeDef *hadc, uint32_t EventType, uint32_t Timeout)
{
__IO uint32_t uiTimeout;
/* Check the parameters */
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
if(!IS_ADC_EVENT_TYPE(EventType)) return HAL_ERROR;
uiTimeout = Timeout;
/* Check selected event flag */
while (__HAL_ADC_GET_FLAG(hadc, EventType) == 0UL)
{
/* Check if timeout is disabled (set to infinite wait) */
if(uiTimeout)
{
uiTimeout--;
if(uiTimeout == 0)
return HAL_TIMEOUT;
}
}
if(EventType == ADC_SR_OVERF)
{
__HAL_ADC_CLEAR_FLAG(hadc, ADC_SR_OVERF);
if (hadc->Init.OverMode == ADC_OVERMODE_ENABLE)
{
/* Clear ADC Overrun flag only if Overrun is set to ADC_OVERMODE_ENABLE(Over written) */
return HAL_ERROR;
}
}
else
{
__HAL_ADC_CLEAR_FLAG(hadc, EventType);
}
/* Return function status */
return HAL_OK;
}
/************************************************************************
* function : HAL_ADC_InjectedStart_IT
* Description: Enable ADC, start conversion of injected channel with interruption.
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_InjectedStart_IT(ADC_HandleTypeDef* hadc)
{
/* Check the parameters */
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
/* Clear the SR register */
__HAL_ADC_CLEAR_FLAG(hadc, ADC_SR_JEOC);
__HAL_ADC_ENABLE_IT(hadc, ADC_IE_JEOCIE);
/* Enable ADC overrun interrupt */
/* If hadc->Init.OverMode is set to ADC_OVERMODE_DISABLE, only then is
ADC_IE_OVERFIE enabled; otherwise data overwrite is considered as normal
behavior and no CPU time is lost for a non-processed interruption */
if (hadc->Init.OverMode == ADC_OVERMODE_DISABLE)
{
__HAL_ADC_ENABLE_IT(hadc, ADC_IE_OVERFIE);
}
if(__HAL_ADC_CHECK_TRIG_INJECTED(hadc, ADC_SOFTWARE_START))
{
/* Start covertion */
SET_BIT(hadc->Instance->CR1,ADC_CR1_JSWSTART);
}
/* Return function status */
return HAL_OK;
}
/************************************************************************
* function : HAL_ADC_InjectedStop_IT
* Description: Stop ADC conversion of injected channel, disable interrution of
* end-of-conversion, disable ADC peripheral.
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_InjectedStop_IT(ADC_HandleTypeDef* hadc)
{
/* Return function status */
return (HAL_ADC_Stop_IT(hadc));
}
/************************************************************************
* function : HAL_ADC_InjectedGetValue
* Description: ADC retrieve injected channel conversion value intended to be used with polling or interruption
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* return : uint32_t the ADC covert result.
************************************************************************/
uint32_t HAL_ADC_InjectedGetValue(ADC_HandleTypeDef *hadc)
{
/* Check the parameters */
if(!IS_ADC_ALL_INSTANCE(hadc->Instance)) return HAL_ERROR;
return (hadc->Instance->JDR);
}
/************************************************************************
* function : HAL_ADC_Polling
* Description: Polling to get the results of the ADC converter.
* input : hadc : pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for ADC module
* : pData : Destination Buffer address.
* : Length : Number of data to be transferred from ADC peripheral to memory.
* : Timeout : Polling timeout.
* return : HAL_StatusTypeDef
************************************************************************/
HAL_StatusTypeDef HAL_ADC_Polling(ADC_HandleTypeDef* hadc, uint32_t* pData, uint32_t Length, uint32_t Timeout)
{
uint32_t tmp_hal_status;
__IO uint32_t uiTimeout;
if(HAL_ADC_Start(hadc) != HAL_OK) return HAL_ERROR;
if(!pData) return HAL_ERROR;
hadc->AdcResults = pData;
uiTimeout = Timeout;
while(Length)
{
tmp_hal_status = hadc->Instance->SR;
if(tmp_hal_status & ADC_SR_EOC)
{
*hadc->AdcResults = hadc->Instance->DR | HAL_ADC_EOC_FLAG;
__HAL_ADC_CLEAR_FLAG(hadc, ADC_SR_EOC);
hadc->AdcResults++;
Length--;
}
if(tmp_hal_status & ADC_SR_JEOC)
{
*hadc->AdcResults = hadc->Instance->JDR | HAL_ADC_JEOC_FLAG;
__HAL_ADC_CLEAR_FLAG(hadc, ADC_SR_JEOC);
hadc->AdcResults++;
Length--;
}
if(tmp_hal_status & ADC_SR_OVERF)
{
__HAL_ADC_CLEAR_FLAG(hadc, ADC_SR_OVERF);
}
if(tmp_hal_status & ADC_SR_EOG)
{
__HAL_ADC_CLEAR_FLAG(hadc, ADC_SR_EOG);
break;
}
if(uiTimeout)
{
uiTimeout--;
if(uiTimeout == 0)
return HAL_TIMEOUT;
}
}
HAL_ADC_Stop(hadc);
return HAL_OK;
}