/*******************************************************************************
* 函数名称: ADC_InjectedChannelConfig
* 功能描述: 配置选中的ADC注入信道相应的音序器（sequencer）等级和采样时间。
* 输入参数: (1)ADCx:其中x可以是1、2或3，用来选择ADC外围模块.
* (2)ADC_Channel: 需要配置的ADC信道.
* ADC_Channel 可能的取值：
* - ADC_Channel_0: ADC信道0被选择
* - ADC_Channel_1: ADC信道1被选择
* - ADC_Channel_2: ADC信道2被选择
* - ADC_Channel_3: ADC信道3被选择
* - ADC_Channel_4: ADC信道4被选择
* - ADC_Channel_5: ADC信道5被选择
* - ADC_Channel_6: ADC信道6被选择
* - ADC_Channel_7: ADC信道7被选择
* - ADC_Channel_8: ADC信道8被选择
* - ADC_Channel_9: ADC信道9被选择
* - ADC_Channel_10: ADC信道10被选择
* - ADC_Channel_11: ADC信道11被选择
* - ADC_Channel_12: ADC信道12被选择
* - ADC_Channel_13: ADC信道13被选择
* - ADC_Channel_14: ADC信道14被选择
* - ADC_Channel_15: ADC信道15被选择
* - ADC_Channel_16: ADC信道16被选择
* - ADC_Channel_17: ADC信道17被选择
* (3)Rank:注入组音序器（sequencer）的等级,选择范围必须在1-4之间
* (4)ADC_SampleTime: ADC_SampleTime:将要为选中信道设置的采样时间值
* ADC_SampleTime.取值:
* - ADC_SampleTime_1Cycles5: 采样时间等于1.5个周期
* - ADC_SampleTime_7Cycles5: 采样时间等于7.5个周期
* - ADC_SampleTime_13Cycles5: 采样时间等于13.5个周期
* - ADC_SampleTime_28Cycles5: 采样时间等于28.5个周期
* - ADC_SampleTime_41Cycles5: 采样时间等于41.5个周期
* - ADC_SampleTime_55Cycles5: 采样时间等于55.5个周期
* - ADC_SampleTime_71Cycles5: 采样时间等于71.5个周期
* - ADC_SampleTime_239Cycles5: 采样时间等于239.5个周期
* 输出参数: 无
* 返回参数: 无
*******************************************************************************/
void ADC_InjectedChannelConfig(ADC_TypeDef* ADCx, u8 ADC_Channel, u8 Rank, u8 ADC_SampleTime)
{
u32 tmpreg1 = 0, tmpreg2 = 0, tmpreg3 = 0;
/* Check the parameters [检查参数] */
assert_param(IS_ADC_ALL_PERIPH(ADCx));
assert_param(IS_ADC_CHANNEL(ADC_Channel));
assert_param(IS_ADC_INJECTED_RANK(Rank));
assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime));
/* if ADC_Channel_10 ... ADC_Channel_17 is selected [如果ADC_Channel_10 ... ADC_Channel_17被选择]*/
if (ADC_Channel > ADC_Channel_9)
{
/* Get the old register value [取得旧的寄存器值]*/
tmpreg1 = ADCx->SMPR1;
/* Calculate the mask to clear [计算需要清除的标志]*/
tmpreg2 = SMPR1_SMP_Set << (3*(ADC_Channel - 10));
/* Clear the old discontinuous mode channel count [清除过去的不间断模式通道计数器]*/
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set [计算需要置位的标志]*/
tmpreg2 = (u32)ADC_SampleTime << (3*(ADC_Channel - 10));
/* Set the discontinuous mode channel count [设置不间断模式通道计数器]*/
tmpreg1 |= tmpreg2;
/* Store the new register value [存储新的寄存器值]*/
ADCx->SMPR1 = tmpreg1;
}
else /* ADC_Channel include in ADC_Channel_[0..9] [ADC_Channel 在 ADC_Channel_[0..9]之间]*/
{
/* Get the old register value [取得旧的寄存器值]*/
tmpreg1 = ADCx->SMPR2;
/* Calculate the mask to clear [计算需要清除的标志]*/
tmpreg2 = SMPR2_SMP_Set << (3 * ADC_Channel);
/* Clear the old discontinuous mode channel count [清除过去的不间断模式通道计数器]*/
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set [计算需要置位的标志]*/
tmpreg2 = (u32)ADC_SampleTime << (3 * ADC_Channel);
/* Set the discontinuous mode channel count [设置不间断模式通道计数器]*/
tmpreg1 |= tmpreg2;
/* Store the new register value [存储新的寄存器值]*/
ADCx->SMPR2 = tmpreg1;
}
/* Rank configuration [序列配置]*/
/* Get the old register value [取得旧的寄存器值]*/
tmpreg1 = ADCx->JSQR;
/* Get JL value[取得JL值]: Number = JL+1 */
tmpreg3 = (tmpreg1 & JSQR_JL_Set)>> 20;
/* Calculate the mask to clear[计算需要清除的标志]: ((Rank-1)+(4-JL-1)) */
tmpreg2 = JSQR_JSQ_Set << (5 * (u8)((Rank + 3) - (tmpreg3 + 1)));
/* Clear the old JSQx bits for the selected rank [清除选中序列旧的JSQx位]*/
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set[计算需要置位的标志]: ((Rank-1)+(4-JL-1)) */
tmpreg2 = (u32)ADC_Channel << (5 * (u8)((Rank + 3) - (tmpreg3 + 1)));
/* Set the JSQx bits for the selected rank [置位选中序列旧的JSQx位]*/
tmpreg1 |= tmpreg2;
/* Store the new register value [存储新的寄存器值]*/
ADCx->JSQR = tmpreg1;
}
/**
* @brief Configures for the selected ADC injected channel its corresponding
* rank in the sequencer and its sample time.
* @param ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
* @param ADC_Channel: the ADC channel to configure.
* This parameter can be one of the following values:
* @arg ADC_Channel_0: ADC Channel0 selected
* @arg ADC_Channel_1: ADC Channel1 selected
* @arg ADC_Channel_2: ADC Channel2 selected
* @arg ADC_Channel_3: ADC Channel3 selected
* @arg ADC_Channel_4: ADC Channel4 selected
* @arg ADC_Channel_5: ADC Channel5 selected
* @arg ADC_Channel_6: ADC Channel6 selected
* @arg ADC_Channel_7: ADC Channel7 selected
* @arg ADC_Channel_8: ADC Channel8 selected
* @arg ADC_Channel_9: ADC Channel9 selected
* @arg ADC_Channel_10: ADC Channel10 selected
* @arg ADC_Channel_11: ADC Channel11 selected
* @arg ADC_Channel_12: ADC Channel12 selected
* @arg ADC_Channel_13: ADC Channel13 selected
* @arg ADC_Channel_14: ADC Channel14 selected
* @arg ADC_Channel_15: ADC Channel15 selected
* @arg ADC_Channel_16: ADC Channel16 selected
* @arg ADC_Channel_17: ADC Channel17 selected
* @param Rank: The rank in the injected group sequencer. This parameter must be between 1 and 4.
* @param ADC_SampleTime: The sample time value to be set for the selected channel.
* This parameter can be one of the following values:
* @arg ADC_SampleTime_1Cycles5: Sample time equal to 1.5 cycles
* @arg ADC_SampleTime_7Cycles5: Sample time equal to 7.5 cycles
* @arg ADC_SampleTime_13Cycles5: Sample time equal to 13.5 cycles
* @arg ADC_SampleTime_28Cycles5: Sample time equal to 28.5 cycles
* @arg ADC_SampleTime_41Cycles5: Sample time equal to 41.5 cycles
* @arg ADC_SampleTime_55Cycles5: Sample time equal to 55.5 cycles
* @arg ADC_SampleTime_71Cycles5: Sample time equal to 71.5 cycles
* @arg ADC_SampleTime_239Cycles5: Sample time equal to 239.5 cycles
* @retval None
*/
void ADC_InjectedChannelConfig(ADC_TypeDef* ADCx, uint8_t ADC_Channel, uint8_t Rank, uint8_t ADC_SampleTime)
{
uint32_t tmpreg1 = 0, tmpreg2 = 0, tmpreg3 = 0;
/* Check the parameters */
assert_param(IS_ADC_ALL_PERIPH(ADCx));
assert_param(IS_ADC_CHANNEL(ADC_Channel));
assert_param(IS_ADC_INJECTED_RANK(Rank));
assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime));
/* if ADC_Channel_10 ... ADC_Channel_17 is selected */
if (ADC_Channel > ADC_Channel_9)
{
/* Get the old register value */
tmpreg1 = ADCx->SMPR1;
/* Calculate the mask to clear */
tmpreg2 = SMPR1_SMP_Set << (3*(ADC_Channel - 10));
/* Clear the old channel sample time */
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set */
tmpreg2 = (uint32_t)ADC_SampleTime << (3*(ADC_Channel - 10));
/* Set the new channel sample time */
tmpreg1 |= tmpreg2;
/* Store the new register value */
ADCx->SMPR1 = tmpreg1;
}
else /* ADC_Channel include in ADC_Channel_[0..9] */
{
/* Get the old register value */
tmpreg1 = ADCx->SMPR2;
/* Calculate the mask to clear */
tmpreg2 = SMPR2_SMP_Set << (3 * ADC_Channel);
/* Clear the old channel sample time */
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set */
tmpreg2 = (uint32_t)ADC_SampleTime << (3 * ADC_Channel);
/* Set the new channel sample time */
tmpreg1 |= tmpreg2;
/* Store the new register value */
ADCx->SMPR2 = tmpreg1;
}
/* Rank configuration */
/* Get the old register value */
tmpreg1 = ADCx->JSQR;
/* Get JL value: Number = JL+1 */
tmpreg3 = (tmpreg1 & JSQR_JL_Set)>> 20;
/* Calculate the mask to clear: ((Rank-1)+(4-JL-1)) */
tmpreg2 = JSQR_JSQ_Set << (5 * (uint8_t)((Rank + 3) - (tmpreg3 + 1)));
/* Clear the old JSQx bits for the selected rank */
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set: ((Rank-1)+(4-JL-1)) */
tmpreg2 = (uint32_t)ADC_Channel << (5 * (uint8_t)((Rank + 3) - (tmpreg3 + 1)));
/* Set the JSQx bits for the selected rank */
tmpreg1 |= tmpreg2;
/* Store the new register value */
ADCx->JSQR = tmpreg1;
}
/**
* \brief Set the sample time (in cycles of the ADC) of a channel.
* \param channel The analog channel number.
* \param time The amount of time for sampling, should be one of the defines
* from the ST library, such as ADC_SampleTime_15Cycles.
*/
int setSampleTime(const uint16_t channel, const uint16_t time)
{
if (!IS_ADC_SAMPLE_TIME(time)) return -1;
if (channel > 18) return -1;
if (channel > 9)
{
reinterpret_cast<ADC_TypeDef*>(ADCx)->CR1 &= (0xffffffff - (0x7 << ((channel-9)*3)));
reinterpret_cast<ADC_TypeDef*>(ADCx)->CR1 |= time << ((channel-9)*3);
}
else
{
reinterpret_cast<ADC_TypeDef*>(ADCx)->CR2 &= (0xffffffff - (0x7 << (channel*3)));
reinterpret_cast<ADC_TypeDef*>(ADCx)->CR2 |= time << (channel*3);
}
return 0;
}
/**
* @brief Configures for the selected ADC channel its corresponding
* rank in the sequencer and its sample time.
* @param ADCx: where x can be 1, 2 to select the ADC peripheral.
* @param ADC_Channel: the ADC channel to configure.
* This parameter can be one of the following values:
* @arg ADC_Channel_0: ADC Channel0 selected
* @arg ADC_Channel_1: ADC Channel1 selected
* @arg ADC_Channel_2: ADC Channel2 selected
* @arg ADC_Channel_3: ADC Channel3 selected
* @arg ADC_Channel_4: ADC Channel4 selected
* @arg ADC_Channel_5: ADC Channel5 selected
* @arg ADC_Channel_6: ADC Channel6 selected
* @arg ADC_Channel_7: ADC Channel7 selected
* @arg ADC_Channel_8: ADC Channel8 selected
* @retval : None
*/
void ADC_RegularChannelConfig(ADC_TypeDef* ADCx, uint8_t ADC_Channel, uint8_t Rank, uint8_t ADC_SampleTime)
{
uint32_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_ADC_ALL_PERIPH(ADCx));
assert_param(IS_ADC_CHANNEL(ADC_Channel));
assert_param(IS_ADC_REGULAR_RANK(Rank));
assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime));
tmpreg = ADCx->ADCFG;
tmpreg &= ~(ADC_SMPR_SMP<<10);
ADCx->ADCFG = tmpreg|((ADC_SampleTime&ADC_SMPR_SMP)<<10);
switch(ADC_Channel)
{
/* set the CHEN0 bit for channel 0 enable*/
case ADC_Channel_0: ADCx->ADCHS |= CHEN0_ENABLE;
break;
/* set the CHEN1 bit for channel 1 enable*/
case ADC_Channel_1: ADCx->ADCHS |= CHEN1_ENABLE;
break;
/* set the CHEN2 bit for channel 2 enable*/
case ADC_Channel_2: ADCx->ADCHS |= CHEN2_ENABLE;
break;
/* set the CHEN3 bit for channel 3 enable*/
case ADC_Channel_3: ADCx->ADCHS |= CHEN3_ENABLE;
break;
/* set the CHEN4 bit for channel 4 enable*/
case ADC_Channel_4: ADCx->ADCHS |= CHEN4_ENABLE;
break;
/* set the CHEN5 bit for channel 5 enable*/
case ADC_Channel_5: ADCx->ADCHS |= CHEN5_ENABLE;
break;
/* set the CHEN6 bit for channel 6 enable*/
case ADC_Channel_6: ADCx->ADCHS |= CHEN6_ENABLE;
break;
/* set the CHEN7 bit for channel 7 enable*/
case ADC_Channel_7: ADCx->ADCHS |= CHEN7_ENABLE;
break;
/* set the SENSOREN bit for channel 8 enable*/
case ADC_Channel_8: ADCx->ADCHS |= CHEN8_ENABLE; //SENSOREN or VREFINT
break;
case ADC_Channel_All:ADCx->ADCHS |= CHALL_ENABLE; //SENSOREN or VREFINT
break;
default:
ADCx->ADCHS &= CHEN_DISABLE;
break;
}
}
/**
* @brief Configures for the selected ADC and its sampling time.
* @param ADCx: where x can be 1 to select the ADC peripheral.
* @param ADC_Channel: the ADC channel to configure.
* This parameter can be any combination of the following values:
* @arg ADC_Channel_0: ADC Channel0 selected
* @arg ADC_Channel_1: ADC Channel1 selected
* @arg ADC_Channel_2: ADC Channel2 selected
* @arg ADC_Channel_3: ADC Channel3 selected
* @arg ADC_Channel_4: ADC Channel4 selected
* @arg ADC_Channel_5: ADC Channel5 selected
* @arg ADC_Channel_6: ADC Channel6 selected
* @arg ADC_Channel_7: ADC Channel7 selected
* @arg ADC_Channel_8: ADC Channel8 selected
* @arg ADC_Channel_9: ADC Channel9 selected
* @arg ADC_Channel_10: ADC Channel10 selected, not available for STM32F031 devices
* @arg ADC_Channel_11: ADC Channel11 selected, not available for STM32F031 devices
* @arg ADC_Channel_12: ADC Channel12 selected, not available for STM32F031 devices
* @arg ADC_Channel_13: ADC Channel13 selected, not available for STM32F031 devices
* @arg ADC_Channel_14: ADC Channel14 selected, not available for STM32F031 devices
* @arg ADC_Channel_15: ADC Channel15 selected, not available for STM32F031 devices
* @arg ADC_Channel_16: ADC Channel16 selected
* @arg ADC_Channel_17: ADC Channel17 selected
* @arg ADC_Channel_18: ADC Channel18 selected, not available for STM32F030 devices
* @param ADC_SampleTime: The sample time value to be set for the selected channel.
* This parameter can be one of the following values:
* @arg ADC_SampleTime_1_5Cycles: Sample time equal to 1.5 cycles
* @arg ADC_SampleTime_7_5Cycles: Sample time equal to 7.5 cycles
* @arg ADC_SampleTime_13_5Cycles: Sample time equal to 13.5 cycles
* @arg ADC_SampleTime_28_5Cycles: Sample time equal to 28.5 cycles
* @arg ADC_SampleTime_41_5Cycles: Sample time equal to 41.5 cycles
* @arg ADC_SampleTime_55_5Cycles: Sample time equal to 55.5 cycles
* @arg ADC_SampleTime_71_5Cycles: Sample time equal to 71.5 cycles
* @arg ADC_SampleTime_239_5Cycles: Sample time equal to 239.5 cycles
* @retval None
*/
void ADC_ChannelConfig(ADC_TypeDef* ADCx, uint32_t ADC_Channel, uint32_t ADC_SampleTime)
{
uint32_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_ADC_ALL_PERIPH(ADCx));
assert_param(IS_ADC_CHANNEL(ADC_Channel));
assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime));
/* Configure the ADC Channel */
ADCx->CHSELR |= (uint32_t)ADC_Channel;
/* Clear the Sampling time Selection bits */
tmpreg &= ~ADC_SMPR1_SMPR;
/* Set the ADC Sampling Time register */
tmpreg |= (uint32_t)ADC_SampleTime;
/* Configure the ADC Sample time register */
ADCx->SMPR = tmpreg ;
}
/**
* @brief Configures for the selected ADC and its sampling time.
* @param ADCx: where x can be 1 to select the ADC peripheral.
* @param ADC_Channel: the ADC channel to configure.
* This parameter can be any combination of the following values:
* @arg ADC_Channel_0: ADC Channel0 selected
* @arg ADC_Channel_1: ADC Channel1 selected
* @arg ADC_Channel_2: ADC Channel2 selected
* @arg ADC_Channel_3: ADC Channel3 selected
* @arg ADC_Channel_4: ADC Channel4 selected
* @arg ADC_Channel_5: ADC Channel5 selected
* @arg ADC_Channel_6: ADC Channel6 selected
* @arg ADC_Channel_7: ADC Channel7 selected
* @arg ADC_Channel_8: ADC Channel8 selected
* @arg ADC_Channel_9: ADC Channel9 selected
* @arg ADC_Channel_10: ADC Channel10 selected
* @arg ADC_Channel_11: ADC Channel11 selected
* @arg ADC_Channel_12: ADC Channel12 selected
* @arg ADC_Channel_13: ADC Channel13 selected
* @arg ADC_Channel_14: ADC Channel14 selected
* @arg ADC_Channel_15: ADC Channel15 selected
* @arg ADC_Channel_16: ADC Channel16 selected
* @arg ADC_Channel_17: ADC Channel17 selected
* @arg ADC_Channel_18: ADC Channel18 selected
* @param ADC_SampleTime: The sample time value to be set for the selected channel.
* This parameter can be one of the following values:
* @arg ADC_SampleTime_1_5Cycles: Sample time equal to 1.5 cycles
* @arg ADC_SampleTime_7_5Cycles: Sample time equal to 7.5 cycles
* @arg ADC_SampleTime_13_5Cycles: Sample time equal to 13.5 cycles
* @arg ADC_SampleTime_28_5Cycles: Sample time equal to 28.5 cycles
* @arg ADC_SampleTime_41_5Cycles: Sample time equal to 41.5 cycles
* @arg ADC_SampleTime_55_5Cycles: Sample time equal to 55.5 cycles
* @arg ADC_SampleTime_71_5Cycles: Sample time equal to 71.5 cycles
* @arg ADC_SampleTime_239_5Cycles: Sample time equal to 239.5 cycles
* @retval None
*/
void ADC_ChannelConfig(ADC_TypeDef* ADCx, uint32_t ADC_Channel, uint32_t ADC_SampleTime)
{
uint32_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_ADC_ALL_PERIPH(ADCx));
assert_param(IS_ADC_CHANNEL(ADC_Channel));
assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime));
/* Configure the ADC Channel */
// ADCx->CHSELR |= (uint32_t)ADC_Channel; PbP bug fix. The STM code logic ORs the Channel. This will not clear any previous set channels
ADCx->CHSELR = (uint32_t)ADC_Channel; // Our fix will clear previous set channels
/* Clear the Sampling time Selection bits */
tmpreg &= ~ADC_SMPR1_SMPR;
/* Set the ADC Sampling Time register */
tmpreg |= (uint32_t)ADC_SampleTime;
/* Configure the ADC Sample time register */
ADCx->SMPR = tmpreg ;
}
void ADC_RegularChannelConfig(ADC_TypeDef* ADCx, uint8_t ADC_Channel, uint8_t Rank, uint8_t ADC_SampleTime)
{
uint32_t tmpreg1 = 0, tmpreg2 = 0;
/* Check the parameters */
assert_param(IS_ADC_ALL_PERIPH(ADCx));
assert_param(IS_ADC_CHANNEL(ADC_Channel));
assert_param(IS_ADC_REGULAR_RANK(Rank));
assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime));
/* if ADC_Channel_10 ... ADC_Channel_18 is selected */
if (ADC_Channel > ADC_Channel_9)
{
/* Get the old register value */
tmpreg1 = ADCx->SMPR1;
/* Calculate the mask to clear */
tmpreg2 = SMPR1_SMP_SET << (3 * (ADC_Channel - 10));
/* Clear the old sample time */
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set */
tmpreg2 = (uint32_t)ADC_SampleTime << (3 * (ADC_Channel - 10));
/* Set the new sample time */
tmpreg1 |= tmpreg2;
/* Store the new register value */
ADCx->SMPR1 = tmpreg1;
}
else /* ADC_Channel include in ADC_Channel_[0..9] */
{
/* Get the old register value */
tmpreg1 = ADCx->SMPR2;
/* Calculate the mask to clear */
tmpreg2 = SMPR2_SMP_SET << (3 * ADC_Channel);
/* Clear the old sample time */
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set */
tmpreg2 = (uint32_t)ADC_SampleTime << (3 * ADC_Channel);
/* Set the new sample time */
tmpreg1 |= tmpreg2;
/* Store the new register value */
ADCx->SMPR2 = tmpreg1;
}
/* For Rank 1 to 6 */
if (Rank < 7)
{
/* Get the old register value */
tmpreg1 = ADCx->SQR3;
/* Calculate the mask to clear */
tmpreg2 = SQR3_SQ_SET << (5 * (Rank - 1));
/* Clear the old SQx bits for the selected rank */
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set */
tmpreg2 = (uint32_t)ADC_Channel << (5 * (Rank - 1));
/* Set the SQx bits for the selected rank */
tmpreg1 |= tmpreg2;
/* Store the new register value */
ADCx->SQR3 = tmpreg1;
}
/* For Rank 7 to 12 */
else if (Rank < 13)
{
/* Get the old register value */
tmpreg1 = ADCx->SQR2;
/* Calculate the mask to clear */
tmpreg2 = SQR2_SQ_SET << (5 * (Rank - 7));
/* Clear the old SQx bits for the selected rank */
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set */
tmpreg2 = (uint32_t)ADC_Channel << (5 * (Rank - 7));
/* Set the SQx bits for the selected rank */
tmpreg1 |= tmpreg2;
/* Store the new register value */
ADCx->SQR2 = tmpreg1;
}
/* For Rank 13 to 16 */
else
{
/* Get the old register value */
tmpreg1 = ADCx->SQR1;
/* Calculate the mask to clear */
tmpreg2 = SQR1_SQ_SET << (5 * (Rank - 13));
/* Clear the old SQx bits for the selected rank */
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set */
tmpreg2 = (uint32_t)ADC_Channel << (5 * (Rank - 13));
/* Set the SQx bits for the selected rank */
tmpreg1 |= tmpreg2;
/* Store the new register value */
ADCx->SQR1 = tmpreg1;
}
}
/**
* @brief Configures for the selected ADC regular channel its corresponding
* rank in the sequencer and its sample time.
* @param hadc: pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for the specified ADC.
* @param sConfig: ADC configuration structure.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ADC_ConfigChannel(ADC_HandleTypeDef* hadc, ADC_ChannelConfTypeDef* sConfig)
{
__IO uint32_t counter = 0;
/* Check the parameters */
assert_param(IS_ADC_CHANNEL(sConfig->Channel));
assert_param(IS_ADC_REGULAR_RANK(sConfig->Rank));
assert_param(IS_ADC_SAMPLE_TIME(sConfig->SamplingTime));
/* Process locked */
__HAL_LOCK(hadc);
/* if ADC_Channel_10 ... ADC_Channel_18 is selected */
if (sConfig->Channel > ADC_CHANNEL_9)
{
/* Clear the old sample time */
hadc->Instance->SMPR1 &= ~ADC_SMPR1(ADC_SMPR1_SMP10, sConfig->Channel);
/* Set the new sample time */
hadc->Instance->SMPR1 |= ADC_SMPR1(sConfig->SamplingTime, sConfig->Channel);
}
else /* ADC_Channel include in ADC_Channel_[0..9] */
{
/* Clear the old sample time */
hadc->Instance->SMPR2 &= ~ADC_SMPR2(ADC_SMPR2_SMP0, sConfig->Channel);
/* Set the new sample time */
hadc->Instance->SMPR2 |= ADC_SMPR2(sConfig->SamplingTime, sConfig->Channel);
}
/* For Rank 1 to 6 */
if (sConfig->Rank < 7)
{
/* Clear the old SQx bits for the selected rank */
hadc->Instance->SQR3 &= ~ADC_SQR3_RK(ADC_SQR3_SQ1, sConfig->Rank);
/* Set the SQx bits for the selected rank */
hadc->Instance->SQR3 |= ADC_SQR3_RK(sConfig->Channel, sConfig->Rank);
}
/* For Rank 7 to 12 */
else if (sConfig->Rank < 13)
{
/* Clear the old SQx bits for the selected rank */
hadc->Instance->SQR2 &= ~ADC_SQR2_RK(ADC_SQR2_SQ7, sConfig->Rank);
/* Set the SQx bits for the selected rank */
hadc->Instance->SQR2 |= ADC_SQR2_RK(sConfig->Channel, sConfig->Rank);
}
/* For Rank 13 to 16 */
else
{
/* Clear the old SQx bits for the selected rank */
hadc->Instance->SQR1 &= ~ADC_SQR1_RK(ADC_SQR1_SQ13, sConfig->Rank);
/* Set the SQx bits for the selected rank */
hadc->Instance->SQR1 |= ADC_SQR1_RK(sConfig->Channel, sConfig->Rank);
}
/* if ADC1 Channel_18 is selected enable VBAT Channel */
if ((hadc->Instance == ADC1) && (sConfig->Channel == ADC_CHANNEL_VBAT))
{
/* Enable the VBAT channel*/
ADC->CCR |= ADC_CCR_VBATE;
}
/* if ADC1 Channel_16 or Channel_17 is selected enable TSVREFE Channel(Temperature sensor and VREFINT) */
if ((hadc->Instance == ADC1) && ((sConfig->Channel == ADC_CHANNEL_TEMPSENSOR) || (sConfig->Channel == ADC_CHANNEL_VREFINT)))
{
/* Enable the TSVREFE channel*/
ADC->CCR |= ADC_CCR_TSVREFE;
if((sConfig->Channel == ADC_CHANNEL_TEMPSENSOR))
{
/* Delay for temperature sensor stabilization time */
/* Compute number of CPU cycles to wait for */
counter = (ADC_TEMPSENSOR_DELAY_US * (SystemCoreClock / 1000000));
while(counter != 0)
{
counter--;
}
}
}
/* Process unlocked */
__HAL_UNLOCK(hadc);
/* Return function status */
return HAL_OK;
}
/**
* @brief Configures for the selected ADC injected channel its corresponding
* rank in the sequencer and its sample time.
* @param hadc: pointer to a ADC_HandleTypeDef structure that contains
* the configuration information for the specified ADC.
* @param sConfigInjected: ADC configuration structure for injected channel.
* @retval None
*/
HAL_StatusTypeDef HAL_ADCEx_InjectedConfigChannel(ADC_HandleTypeDef* hadc, ADC_InjectionConfTypeDef* sConfigInjected)
{
#ifdef USE_FULL_ASSERT
uint32_t tmp = 0;
#endif /* USE_FULL_ASSERT */
/* Check the parameters */
assert_param(IS_ADC_CHANNEL(sConfigInjected->InjectedChannel));
assert_param(IS_ADC_INJECTED_RANK(sConfigInjected->InjectedRank));
assert_param(IS_ADC_SAMPLE_TIME(sConfigInjected->InjectedSamplingTime));
assert_param(IS_ADC_EXT_INJEC_TRIG(sConfigInjected->ExternalTrigInjecConv));
assert_param(IS_ADC_INJECTED_LENGTH(sConfigInjected->InjectedNbrOfConversion));
assert_param(IS_FUNCTIONAL_STATE(sConfigInjected->AutoInjectedConv));
assert_param(IS_FUNCTIONAL_STATE(sConfigInjected->InjectedDiscontinuousConvMode));
#ifdef USE_FULL_ASSERT
tmp = ADC_GET_RESOLUTION(hadc);
assert_param(IS_ADC_RANGE(tmp, sConfigInjected->InjectedOffset));
#endif /* USE_FULL_ASSERT */
if(sConfigInjected->ExternalTrigInjecConvEdge != ADC_INJECTED_SOFTWARE_START)
{
assert_param(IS_ADC_EXT_INJEC_TRIG_EDGE(sConfigInjected->ExternalTrigInjecConvEdge));
}
/* Process locked */
__HAL_LOCK(hadc);
/* if ADC_Channel_10 ... ADC_Channel_18 is selected */
if (sConfigInjected->InjectedChannel > ADC_CHANNEL_9)
{
/* Clear the old sample time */
hadc->Instance->SMPR1 &= ~ADC_SMPR1(ADC_SMPR1_SMP10, sConfigInjected->InjectedChannel);
/* Set the new sample time */
hadc->Instance->SMPR1 |= ADC_SMPR1(sConfigInjected->InjectedSamplingTime, sConfigInjected->InjectedChannel);
}
else /* ADC_Channel include in ADC_Channel_[0..9] */
{
/* Clear the old sample time */
hadc->Instance->SMPR2 &= ~ADC_SMPR2(ADC_SMPR2_SMP0, sConfigInjected->InjectedChannel);
/* Set the new sample time */
hadc->Instance->SMPR2 |= ADC_SMPR2(sConfigInjected->InjectedSamplingTime, sConfigInjected->InjectedChannel);
}
/*---------------------------- ADCx JSQR Configuration -----------------*/
hadc->Instance->JSQR &= ~(ADC_JSQR_JL);
hadc->Instance->JSQR |= ADC_SQR1(sConfigInjected->InjectedNbrOfConversion);
/* Rank configuration */
/* Clear the old SQx bits for the selected rank */
hadc->Instance->JSQR &= ~ADC_JSQR(ADC_JSQR_JSQ1, sConfigInjected->InjectedRank,sConfigInjected->InjectedNbrOfConversion);
/* Set the SQx bits for the selected rank */
hadc->Instance->JSQR |= ADC_JSQR(sConfigInjected->InjectedChannel, sConfigInjected->InjectedRank,sConfigInjected->InjectedNbrOfConversion);
/* Enable external trigger if trigger selection is different of software */
/* start. */
/* Note: This configuration keeps the hardware feature of parameter */
/* ExternalTrigConvEdge "trigger edge none" equivalent to */
/* software start. */
if(sConfigInjected->ExternalTrigInjecConv != ADC_INJECTED_SOFTWARE_START)
{
/* Select external trigger to start conversion */
hadc->Instance->CR2 &= ~(ADC_CR2_JEXTSEL);
hadc->Instance->CR2 |= sConfigInjected->ExternalTrigInjecConv;
/* Select external trigger polarity */
hadc->Instance->CR2 &= ~(ADC_CR2_JEXTEN);
hadc->Instance->CR2 |= sConfigInjected->ExternalTrigInjecConvEdge;
}
else
{
/* Reset the external trigger */
hadc->Instance->CR2 &= ~(ADC_CR2_JEXTSEL);
hadc->Instance->CR2 &= ~(ADC_CR2_JEXTEN);
}
if (sConfigInjected->AutoInjectedConv != DISABLE)
{
/* Enable the selected ADC automatic injected group conversion */
hadc->Instance->CR1 |= ADC_CR1_JAUTO;
}
else
{
/* Disable the selected ADC automatic injected group conversion */
hadc->Instance->CR1 &= ~(ADC_CR1_JAUTO);
}
if (sConfigInjected->InjectedDiscontinuousConvMode != DISABLE)
{
/* Enable the selected ADC injected discontinuous mode */
hadc->Instance->CR1 |= ADC_CR1_JDISCEN;
}
else
{
/* Disable the selected ADC injected discontinuous mode */
hadc->Instance->CR1 &= ~(ADC_CR1_JDISCEN);
}
switch(sConfigInjected->InjectedRank)
{
case 1:
/* Set injected channel 1 offset */
hadc->Instance->JOFR1 &= ~(ADC_JOFR1_JOFFSET1);
hadc->Instance->JOFR1 |= sConfigInjected->InjectedOffset;
break;
case 2:
/* Set injected channel 2 offset */
hadc->Instance->JOFR2 &= ~(ADC_JOFR2_JOFFSET2);
hadc->Instance->JOFR2 |= sConfigInjected->InjectedOffset;
break;
case 3:
/* Set injected channel 3 offset */
hadc->Instance->JOFR3 &= ~(ADC_JOFR3_JOFFSET3);
hadc->Instance->JOFR3 |= sConfigInjected->InjectedOffset;
break;
default:
/* Set injected channel 4 offset */
hadc->Instance->JOFR4 &= ~(ADC_JOFR4_JOFFSET4);
hadc->Instance->JOFR4 |= sConfigInjected->InjectedOffset;
break;
}
/* if ADC1 Channel_18 is selected enable VBAT Channel */
if ((hadc->Instance == ADC1) && (sConfigInjected->InjectedChannel == ADC_CHANNEL_VBAT))
{
/* Enable the VBAT channel*/
ADC->CCR |= ADC_CCR_VBATE;
}
/* if ADC1 Channel_16 or Channel_17 is selected enable TSVREFE Channel(Temperature sensor and VREFINT) */
if ((hadc->Instance == ADC1) && ((sConfigInjected->InjectedChannel == ADC_CHANNEL_TEMPSENSOR) || (sConfigInjected->InjectedChannel == ADC_CHANNEL_VREFINT)))
{
/* Enable the TSVREFE channel*/
ADC->CCR |= ADC_CCR_TSVREFE;
}
/* Process unlocked */
__HAL_UNLOCK(hadc);
/* Return function status */
return HAL_OK;
}
/**
* @brief Configures the ADC injected group and the selected channel to be
* linked to the injected group.
* @note Possibility to update parameters on the fly:
* This function initializes injected group, following calls to this
* function can be used to reconfigure some parameters of structure
* "ADC_InjectionConfTypeDef" on the fly, without reseting the ADC.
* The setting of these parameters is conditioned to ADC state:
* this function must be called when ADC is not under conversion.
* @param hadc: ADC handle
* @param sConfigInjected: Structure of ADC injected group and ADC channel for
* injected group.
* @retval None
*/
HAL_StatusTypeDef HAL_ADCEx_InjectedConfigChannel(ADC_HandleTypeDef* hadc, ADC_InjectionConfTypeDef* sConfigInjected)
{
HAL_StatusTypeDef tmpHALStatus = HAL_OK;
/* Check the parameters */
assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance));
assert_param(IS_ADC_CHANNEL(sConfigInjected->InjectedChannel));
assert_param(IS_ADC_SAMPLE_TIME(sConfigInjected->InjectedSamplingTime));
assert_param(IS_FUNCTIONAL_STATE(sConfigInjected->AutoInjectedConv));
assert_param(IS_ADC_EXTTRIGINJEC(sConfigInjected->ExternalTrigInjecConv));
assert_param(IS_ADC_RANGE(sConfigInjected->InjectedOffset));
if(hadc->Init.ScanConvMode != ADC_SCAN_DISABLE)
{
assert_param(IS_ADC_INJECTED_RANK(sConfigInjected->InjectedRank));
assert_param(IS_ADC_INJECTED_NB_CONV(sConfigInjected->InjectedNbrOfConversion));
assert_param(IS_FUNCTIONAL_STATE(sConfigInjected->InjectedDiscontinuousConvMode));
}
if(sConfigInjected->ExternalTrigInjecConvEdge != ADC_INJECTED_SOFTWARE_START)
{
assert_param(IS_ADC_EXTTRIGINJEC_EDGE(sConfigInjected->ExternalTrigInjecConvEdge));
}
/* Process locked */
__HAL_LOCK(hadc);
/* Configuration of injected group sequencer: */
/* - if scan mode is disabled, injected channels sequence length is set to */
/* 0x00: 1 channel converted (channel on regular rank 1) */
/* Parameter "InjectedNbrOfConversion" is discarded. */
/* Note: Scan mode is present by hardware on this device and, if */
/* disabled, discards automatically nb of conversions. Anyway, nb of */
/* conversions is forced to 0x00 for alignment over all STM32 devices. */
/* - if scan mode is enabled, injected channels sequence length is set to */
/* parameter ""InjectedNbrOfConversion". */
if (hadc->Init.ScanConvMode == ADC_SCAN_DISABLE)
{
if (sConfigInjected->InjectedRank == ADC_INJECTED_RANK_1)
{
/* Clear the old SQx bits for all injected ranks */
MODIFY_REG(hadc->Instance->JSQR ,
ADC_JSQR_JL |
ADC_JSQR_JSQ4 |
ADC_JSQR_JSQ3 |
ADC_JSQR_JSQ2 |
ADC_JSQR_JSQ1 ,
__ADC_JSQR_RK(sConfigInjected->InjectedChannel,
ADC_INJECTED_RANK_1,
0x01) );
}
/* If another injected rank than rank1 was intended to be set, and could */
/* not due to ScanConvMode disabled, error is reported. */
else
{
/* Update ADC state machine to error */
hadc->State = HAL_ADC_STATE_ERROR;
tmpHALStatus = HAL_ERROR;
}
}
else
{
/* Since injected channels rank conv. order depends on total number of */
/* injected conversions, selected rank must be below or equal to total */
/* number of injected conversions to be updated. */
if (sConfigInjected->InjectedRank <= sConfigInjected->InjectedNbrOfConversion)
{
/* Clear the old SQx bits for the selected rank */
/* Set the SQx bits for the selected rank */
MODIFY_REG(hadc->Instance->JSQR ,
ADC_JSQR_JL |
__ADC_JSQR_RK(ADC_JSQR_JSQ1,
sConfigInjected->InjectedRank,
sConfigInjected->InjectedNbrOfConversion) ,
__ADC_JSQR_JL(sConfigInjected->InjectedNbrOfConversion) |
__ADC_JSQR_RK(sConfigInjected->InjectedChannel,
sConfigInjected->InjectedRank,
sConfigInjected->InjectedNbrOfConversion) );
}
else
{
/* Clear the old SQx bits for the selected rank */
MODIFY_REG(hadc->Instance->JSQR ,
ADC_JSQR_JL |
__ADC_JSQR_RK(ADC_JSQR_JSQ1,
sConfigInjected->InjectedRank,
sConfigInjected->InjectedNbrOfConversion) ,
0x00000000 );
}
}
/* Enable external trigger if trigger selection is different of software */
/* start. */
/* Note: This configuration keeps the hardware feature of parameter */
/* ExternalTrigConvEdge "trigger edge none" equivalent to */
/* software start. */
if (sConfigInjected->ExternalTrigInjecConv != ADC_INJECTED_SOFTWARE_START)
{
MODIFY_REG(hadc->Instance->CR2 ,
ADC_CR2_JEXTEN |
ADC_CR2_JEXTSEL ,
sConfigInjected->ExternalTrigInjecConv |
sConfigInjected->ExternalTrigInjecConvEdge );
}
else
{
MODIFY_REG(hadc->Instance->CR2,
ADC_CR2_JEXTEN |
ADC_CR2_JEXTSEL ,
0x00000000 );
}
/* Configuration of injected group */
/* Parameters update conditioned to ADC state: */
/* Parameters that can be updated only when ADC is disabled: */
/* - Automatic injected conversion */
/* - Injected discontinuous mode */
if ((__HAL_ADC_IS_ENABLED(hadc) == RESET))
{
hadc->Instance->CR1 &= ~(ADC_CR1_JAUTO |
ADC_CR1_JDISCEN );
/* Automatic injected conversion can be enabled if injected group */
/* external triggers are disabled. */
if (sConfigInjected->AutoInjectedConv == ENABLE)
{
if (sConfigInjected->ExternalTrigInjecConv == ADC_INJECTED_SOFTWARE_START)
{
SET_BIT(hadc->Instance->CR1, ADC_CR1_JAUTO);
}
else
{
/* Update ADC state machine to error */
hadc->State = HAL_ADC_STATE_ERROR;
tmpHALStatus = HAL_ERROR;
}
}
/* Injected discontinuous can be enabled only if auto-injected mode is */
/* disabled. */
if (sConfigInjected->InjectedDiscontinuousConvMode == ENABLE)
{
if (sConfigInjected->AutoInjectedConv == DISABLE)
{
SET_BIT(hadc->Instance->CR1, ADC_CR1_JDISCEN);
}
else
{
/* Update ADC state machine to error */
hadc->State = HAL_ADC_STATE_ERROR;
tmpHALStatus = HAL_ERROR;
}
}
}
/* InjectedChannel sampling time configuration */
/* For InjectedChannels 0 to 9 */
if (sConfigInjected->InjectedChannel < ADC_CHANNEL_10)
{
MODIFY_REG(hadc->Instance->SMPR3,
__ADC_SMPR3(ADC_SMPR3_SMP0, sConfigInjected->InjectedChannel),
__ADC_SMPR3(sConfigInjected->InjectedSamplingTime, sConfigInjected->InjectedChannel) );
}
/* For InjectedChannels 10 to 19 */
else if (sConfigInjected->InjectedChannel < ADC_CHANNEL_20)
{
MODIFY_REG(hadc->Instance->SMPR2,
__ADC_SMPR2(ADC_SMPR2_SMP10, sConfigInjected->InjectedChannel),
__ADC_SMPR2(sConfigInjected->InjectedSamplingTime, sConfigInjected->InjectedChannel) );
}
/* For InjectedChannels 20 to 26 for devices Cat.1, Cat.2, Cat.3 */
/* For InjectedChannels 20 to 29 for devices Cat4, Cat.5 */
else if (sConfigInjected->InjectedChannel <= ADC_SMPR1_CHANNEL_MAX)
{
MODIFY_REG(hadc->Instance->SMPR1,
__ADC_SMPR1(ADC_SMPR1_SMP20, sConfigInjected->InjectedChannel),
__ADC_SMPR1(sConfigInjected->InjectedSamplingTime, sConfigInjected->InjectedChannel) );
}
/* For InjectedChannels 30 to 31 for devices Cat4, Cat.5 */
else
{
__ADC_SMPR0_CHANNEL_SET(hadc, sConfigInjected->InjectedSamplingTime, sConfigInjected->InjectedChannel);
}
/* Configure the offset: offset enable/disable, InjectedChannel, offset value */
switch(sConfigInjected->InjectedRank)
{
case 1:
/* Set injected channel 1 offset */
MODIFY_REG(hadc->Instance->JOFR1,
ADC_JOFR1_JOFFSET1,
sConfigInjected->InjectedOffset);
break;
case 2:
/* Set injected channel 2 offset */
MODIFY_REG(hadc->Instance->JOFR2,
ADC_JOFR2_JOFFSET2,
sConfigInjected->InjectedOffset);
break;
case 3:
/* Set injected channel 3 offset */
MODIFY_REG(hadc->Instance->JOFR3,
ADC_JOFR3_JOFFSET3,
sConfigInjected->InjectedOffset);
break;
case 4:
default:
MODIFY_REG(hadc->Instance->JOFR4,
ADC_JOFR4_JOFFSET4,
sConfigInjected->InjectedOffset);
break;
}
/* If ADC1 Channel_16 or Channel_17 is selected, enable Temperature sensor */
/* and VREFINT measurement path. */
if ((sConfigInjected->InjectedChannel == ADC_CHANNEL_TEMPSENSOR) ||
(sConfigInjected->InjectedChannel == ADC_CHANNEL_VREFINT) )
{
SET_BIT(ADC->CCR, ADC_CCR_TSVREFE);
}
/* Process unlocked */
__HAL_UNLOCK(hadc);
/* Return function status */
return tmpHALStatus;
}
/**
* @brief Configures the ADC injected group and the selected channel to be
* linked to the injected group.
* @note Possibility to update parameters on the fly:
* This function initializes injected group, following calls to this
* function can be used to reconfigure some parameters of structure
* "ADC_InjectionConfTypeDef" on the fly, without reseting the ADC.
* The setting of these parameters is conditioned to ADC state:
* this function must be called when ADC is not under conversion.
* @param hadc: ADC handle
* @param sConfigInjected: Structure of ADC injected group and ADC channel for
* injected group.
* @retval None
*/
HAL_StatusTypeDef HAL_ADCEx_InjectedConfigChannel(ADC_HandleTypeDef* hadc, ADC_InjectionConfTypeDef* sConfigInjected)
{
HAL_StatusTypeDef tmp_hal_status = HAL_OK;
__IO uint32_t wait_loop_index = 0;
/* Check the parameters */
assert_param(IS_ADC_ALL_INSTANCE(hadc->Instance));
assert_param(IS_ADC_CHANNEL(sConfigInjected->InjectedChannel));
assert_param(IS_ADC_SAMPLE_TIME(sConfigInjected->InjectedSamplingTime));
assert_param(IS_FUNCTIONAL_STATE(sConfigInjected->AutoInjectedConv));
assert_param(IS_ADC_EXTTRIGINJEC(sConfigInjected->ExternalTrigInjecConv));
assert_param(IS_ADC_RANGE(sConfigInjected->InjectedOffset));
if(hadc->Init.ScanConvMode != ADC_SCAN_DISABLE)
{
assert_param(IS_ADC_INJECTED_RANK(sConfigInjected->InjectedRank));
assert_param(IS_ADC_INJECTED_NB_CONV(sConfigInjected->InjectedNbrOfConversion));
assert_param(IS_FUNCTIONAL_STATE(sConfigInjected->InjectedDiscontinuousConvMode));
}
/* Process locked */
__HAL_LOCK(hadc);
/* Configuration of injected group sequencer: */
/* - if scan mode is disabled, injected channels sequence length is set to */
/* 0x00: 1 channel converted (channel on regular rank 1) */
/* Parameter "InjectedNbrOfConversion" is discarded. */
/* Note: Scan mode is present by hardware on this device and, if */
/* disabled, discards automatically nb of conversions. Anyway, nb of */
/* conversions is forced to 0x00 for alignment over all STM32 devices. */
/* - if scan mode is enabled, injected channels sequence length is set to */
/* parameter "InjectedNbrOfConversion". */
if (hadc->Init.ScanConvMode == ADC_SCAN_DISABLE)
{
if (sConfigInjected->InjectedRank == ADC_INJECTED_RANK_1)
{
/* Clear the old SQx bits for all injected ranks */
MODIFY_REG(hadc->Instance->JSQR ,
ADC_JSQR_JL |
ADC_JSQR_JSQ4 |
ADC_JSQR_JSQ3 |
ADC_JSQR_JSQ2 |
ADC_JSQR_JSQ1 ,
ADC_JSQR_RK_JL(sConfigInjected->InjectedChannel,
ADC_INJECTED_RANK_1,
0x01) );
}
/* If another injected rank than rank1 was intended to be set, and could */
/* not due to ScanConvMode disabled, error is reported. */
else
{
/* Update ADC state machine to error */
hadc->State = HAL_ADC_STATE_ERROR;
tmp_hal_status = HAL_ERROR;
}
}
else
{
/* Since injected channels rank conv. order depends on total number of */
/* injected conversions, selected rank must be below or equal to total */
/* number of injected conversions to be updated. */
if (sConfigInjected->InjectedRank <= sConfigInjected->InjectedNbrOfConversion)
{
/* Clear the old SQx bits for the selected rank */
/* Set the SQx bits for the selected rank */
MODIFY_REG(hadc->Instance->JSQR ,
ADC_JSQR_JL |
ADC_JSQR_RK_JL(ADC_JSQR_JSQ1,
sConfigInjected->InjectedRank,
sConfigInjected->InjectedNbrOfConversion) ,
ADC_JSQR_JL_SHIFT(sConfigInjected->InjectedNbrOfConversion) |
ADC_JSQR_RK_JL(sConfigInjected->InjectedChannel,
sConfigInjected->InjectedRank,
sConfigInjected->InjectedNbrOfConversion) );
}
else
{
/* Clear the old SQx bits for the selected rank */
MODIFY_REG(hadc->Instance->JSQR ,
ADC_JSQR_JL |
ADC_JSQR_RK_JL(ADC_JSQR_JSQ1,
sConfigInjected->InjectedRank,
sConfigInjected->InjectedNbrOfConversion) ,
0x00000000 );
}
}
/* Configuration of injected group */
/* Parameters update conditioned to ADC state: */
/* Parameters that can be updated only when ADC is disabled: */
/* - external trigger to start conversion */
/* Parameters update not conditioned to ADC state: */
/* - Automatic injected conversion */
/* - Injected discontinuous mode */
/* Note: In case of ADC already enabled, caution to not launch an unwanted */
/* conversion while modifying register CR2 by writing 1 to bit ADON. */
if (ADC_IS_ENABLE(hadc) == RESET)
{
MODIFY_REG(hadc->Instance->CR2 ,
ADC_CR2_JEXTSEL |
ADC_CR2_ADON ,
ADC_CFGR_JEXTSEL(hadc, sConfigInjected->ExternalTrigInjecConv) );
}
/* Configuration of injected group */
/* - Automatic injected conversion */
/* - Injected discontinuous mode */
/* Automatic injected conversion can be enabled if injected group */
/* external triggers are disabled. */
if (sConfigInjected->AutoInjectedConv == ENABLE)
{
if (sConfigInjected->ExternalTrigInjecConv == ADC_INJECTED_SOFTWARE_START)
{
SET_BIT(hadc->Instance->CR1, ADC_CR1_JAUTO);
}
else
{
/* Update ADC state machine to error */
hadc->State = HAL_ADC_STATE_ERROR;
tmp_hal_status = HAL_ERROR;
}
}
/* Injected discontinuous can be enabled only if auto-injected mode is */
/* disabled. */
if (sConfigInjected->InjectedDiscontinuousConvMode == ENABLE)
{
if (sConfigInjected->AutoInjectedConv == DISABLE)
{
SET_BIT(hadc->Instance->CR1, ADC_CR1_JDISCEN);
}
else
{
/* Update ADC state machine to error */
hadc->State = HAL_ADC_STATE_ERROR;
tmp_hal_status = HAL_ERROR;
}
}
/* InjectedChannel sampling time configuration */
/* For channels 10 to 17 */
if (sConfigInjected->InjectedChannel >= ADC_CHANNEL_10)
{
MODIFY_REG(hadc->Instance->SMPR1 ,
ADC_SMPR1(ADC_SMPR1_SMP10, sConfigInjected->InjectedChannel) ,
ADC_SMPR1(sConfigInjected->InjectedSamplingTime, sConfigInjected->InjectedChannel) );
}
else /* For channels 0 to 9 */
{
MODIFY_REG(hadc->Instance->SMPR2 ,
ADC_SMPR2(ADC_SMPR2_SMP0, sConfigInjected->InjectedChannel) ,
ADC_SMPR2(sConfigInjected->InjectedSamplingTime, sConfigInjected->InjectedChannel) );
}
/* If ADC1 InjectedChannel_16 or InjectedChannel_17 is selected, enable Temperature sensor */
/* and VREFINT measurement path. */
if ((sConfigInjected->InjectedChannel == ADC_CHANNEL_TEMPSENSOR) ||
(sConfigInjected->InjectedChannel == ADC_CHANNEL_VREFINT) )
{
SET_BIT(hadc->Instance->CR2, ADC_CR2_TSVREFE);
}
/* Configure the offset: offset enable/disable, InjectedChannel, offset value */
switch(sConfigInjected->InjectedRank)
{
case 1:
/* Set injected channel 1 offset */
MODIFY_REG(hadc->Instance->JOFR1,
ADC_JOFR1_JOFFSET1,
sConfigInjected->InjectedOffset);
break;
case 2:
/* Set injected channel 2 offset */
MODIFY_REG(hadc->Instance->JOFR2,
ADC_JOFR2_JOFFSET2,
sConfigInjected->InjectedOffset);
break;
case 3:
/* Set injected channel 3 offset */
MODIFY_REG(hadc->Instance->JOFR3,
ADC_JOFR3_JOFFSET3,
sConfigInjected->InjectedOffset);
break;
case 4:
default:
MODIFY_REG(hadc->Instance->JOFR4,
ADC_JOFR4_JOFFSET4,
sConfigInjected->InjectedOffset);
break;
}
/* If ADC1 Channel_16 or Channel_17 is selected, enable Temperature sensor */
/* and VREFINT measurement path. */
if ((sConfigInjected->InjectedChannel == ADC_CHANNEL_TEMPSENSOR) ||
(sConfigInjected->InjectedChannel == ADC_CHANNEL_VREFINT) )
{
/* For STM32F1 devices with several ADC: Only ADC1 can access internal */
/* measurement channels (VrefInt/TempSensor). If these channels are */
/* intended to be set on other ADC instances, an error is reported. */
if (hadc->Instance == ADC1)
{
if (READ_BIT(hadc->Instance->CR2, ADC_CR2_TSVREFE) == RESET)
{
SET_BIT(hadc->Instance->CR2, ADC_CR2_TSVREFE);
if ((sConfigInjected->InjectedChannel == ADC_CHANNEL_TEMPSENSOR))
{
/* Delay for temperature sensor stabilization time */
/* Compute number of CPU cycles to wait for */
wait_loop_index = (ADC_TEMPSENSOR_DELAY_US * (SystemCoreClock / 1000000));
while(wait_loop_index != 0)
{
wait_loop_index--;
}
}
}
}
else
{
/* Update ADC state machine to error */
hadc->State = HAL_ADC_STATE_ERROR;
tmp_hal_status = HAL_ERROR;
}
}
/* Process unlocked */
__HAL_UNLOCK(hadc);
/* Return function status */
return tmp_hal_status;
}
/*******************************************************************************
* 函数名称: ADC_RegularChannelConfig
* 功能描述: 为选中的ADC常规组信道配置相关的音序器（sequencer）等级和采样时间。
* 输入参数: (1)ADCx:其中x可以是1、2或3，用来选择ADC外围模块.
* (2)ADC_Channel:需要配置的ADC信道
* ADC_Channel 可能的取值：
* - ADC_Channel_0: ADC信道0被选择
* - ADC_Channel_1: ADC信道1被选择
* - ADC_Channel_2: ADC信道2被选择
* - ADC_Channel_3: ADC信道3被选择
* - ADC_Channel_4: ADC信道4被选择
* - ADC_Channel_5: ADC信道5被选择
* - ADC_Channel_6: ADC信道6被选择
* - ADC_Channel_7: ADC信道7被选择
* - ADC_Channel_8: ADC信道8被选择
* - ADC_Channel_9: ADC信道9被选择
* - ADC_Channel_10: ADC信道10被选择
* - ADC_Channel_11: ADC信道11被选择
* - ADC_Channel_12: ADC信道12被选择
* - ADC_Channel_13: ADC信道13被选择
* - ADC_Channel_14: ADC信道14被选择
* - ADC_Channel_15: ADC信道15被选择
* - ADC_Channel_16: ADC信道16被选择
* - ADC_Channel_17: ADC信道17被选择
* (3)Rank:常规组音序器（sequencer）的等级。参数范围是1－16。
* (4)ADC_SampleTime:将要为所选的信道设置的采样时间
* ADC_SampleTime.取值:
* - ADC_SampleTime_1Cycles5: 采样时间等于1.5个周期
* - ADC_SampleTime_7Cycles5: 采样时间等于7.5个周期
* - ADC_SampleTime_13Cycles5: 采样时间等于13.5个周期
* - ADC_SampleTime_28Cycles5: 采样时间等于28.5个周期
* - ADC_SampleTime_41Cycles5: 采样时间等于41.5个周期
* - ADC_SampleTime_55Cycles5: 采样时间等于55.5个周期
* - ADC_SampleTime_71Cycles5: 采样时间等于71.5个周期
* - ADC_SampleTime_239Cycles5: 采样时间等于239.5个周期
* 输出参数: 无
* 返回参数: 无
*******************************************************************************/
void ADC_RegularChannelConfig(ADC_TypeDef* ADCx, u8 ADC_Channel, u8 Rank, u8 ADC_SampleTime)
{
u32 tmpreg1 = 0, tmpreg2 = 0;
/* Check the parameters [检查参数] */
assert_param(IS_ADC_ALL_PERIPH(ADCx));
assert_param(IS_ADC_CHANNEL(ADC_Channel));
assert_param(IS_ADC_REGULAR_RANK(Rank));
assert_param(IS_ADC_SAMPLE_TIME(ADC_SampleTime));
/* if ADC_Channel_10 ... ADC_Channel_17 is selected [如果ADC_Channel_10 ... ADC_Channel_17被选择]*/
if (ADC_Channel > ADC_Channel_9)
{
/* Get the old register value [取得旧的寄存器值]*/
tmpreg1 = ADCx->SMPR1;
/* Calculate the mask to clear [计算需要清除的标志]*/
tmpreg2 = SMPR1_SMP_Set << (3 * (ADC_Channel - 10));
/* Clear the old discontinuous mode channel count [清除过去的不间断模式通道计数器]*/
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set [计算需要置位的标志]*/
tmpreg2 = (u32)ADC_SampleTime << (3 * (ADC_Channel - 10));
/* Set the discontinuous mode channel count [设置不间断模式通道计数器]*/
tmpreg1 |= tmpreg2;
/* Store the new register value [存储新的寄存器值]*/
ADCx->SMPR1 = tmpreg1;
}
else /* ADC_Channel include in ADC_Channel_[0..9] [ADC_Channel 在 ADC_Channel_[0..9]之间]*/
{
/* Get the old register value [取得旧的寄存器值]*/
tmpreg1 = ADCx->SMPR2;
/* Calculate the mask to clear [计算需要清除的标志]*/
tmpreg2 = SMPR2_SMP_Set << (3 * ADC_Channel);
/* Clear the old discontinuous mode channel count [清除过去的不间断模式通道计数器]*/
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set [计算需要置位的标志]*/
tmpreg2 = (u32)ADC_SampleTime << (3 * ADC_Channel);
/* Set the discontinuous mode channel count [设置不间断模式通道计数器]*/
tmpreg1 |= tmpreg2;
/* Store the new register value [存储新的寄存器值]*/
ADCx->SMPR2 = tmpreg1;
}
/* For Rank 1 to 6 [序列在1到6之间]*/
if (Rank < 7)
{
/* Get the old register value [取得旧的寄存器值]*/
tmpreg1 = ADCx->SQR3;
/* Calculate the mask to clear [计算需要清除的标志]*/
tmpreg2 = SQR3_SQ_Set << (5 * (Rank - 1));
/* Clear the old SQx bits for the selected rank [根据选择的序列清除旧的SQx位]*/
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set [计算需要置位的标志]*/
tmpreg2 = (u32)ADC_Channel << (5 * (Rank - 1));
/* Set the SQx bits for the selected rank [根据选择的序列置位新的SQx位]*/
tmpreg1 |= tmpreg2;
/* Store the new register value [存储新的寄存器值]*/
ADCx->SQR3 = tmpreg1;
}
/* For Rank 7 to 12 [序列在7到12之间]*/
else if (Rank < 13)
{
/* Get the old register value [取得旧的寄存器值]*/
tmpreg1 = ADCx->SQR2;
/* Calculate the mask to clear [计算需要清除的标志]*/
tmpreg2 = SQR2_SQ_Set << (5 * (Rank - 7));
/* Clear the old SQx bits for the selected rank [根据选择的序列清除旧的SQx位]*/
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set [计算需要置位的标志]*/
tmpreg2 = (u32)ADC_Channel << (5 * (Rank - 7));
/* Set the SQx bits for the selected rank [根据选择的序列置位新的SQx位]*/
tmpreg1 |= tmpreg2;
/* Store the new register value [存储新的寄存器值]*/
ADCx->SQR2 = tmpreg1;
}
/* For Rank 13 to 16 [序列在13到16之间]*/
else
{
/* Get the old register value [取得旧的寄存器值]*/
tmpreg1 = ADCx->SQR1;
/* Calculate the mask to clear [计算需要清除的标志]*/
tmpreg2 = SQR1_SQ_Set << (5 * (Rank - 13));
/* Clear the old SQx bits for the selected rank [根据选择的序列清除旧的SQx位]*/
tmpreg1 &= ~tmpreg2;
/* Calculate the mask to set [计算需要置位的标志]*/
tmpreg2 = (u32)ADC_Channel << (5 * (Rank - 13));
/* Set the SQx bits for the selected rank [根据选择的序列置位新的SQx位]*/
tmpreg1 |= tmpreg2;
/* Store the new register value [存储新的寄存器值]*/
ADCx->SQR1 = tmpreg1;
}
}