lucalizaranzu/Shmingo-HAL
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Finish project

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This commit is contained in:
Ea-r-th
2025-11-11 19:51:21 -08:00
parent b50e7c25f6
commit ec0fea608b
7 changed files with 152 additions and 110 deletions
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61
SHAL/Src/STM32L4XX/Peripheral/ADC/SHAL_ADC.cpp
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@@ -72,29 +72,44 @@ SHAL_Result SHAL_ADC::calibrate() {
}
uint16_t SHAL_ADC::singleConvertSingle(SHAL_ADC_Channel channel, SHAL_ADC_SampleTime time) {
auto data_reg = getADCDataReg(m_ADCKey);
auto ISR_reg = getADCISRReg(m_ADCKey);
auto config_reg = getADCConfigReg(m_ADCKey);
auto data_reg = getADCDataReg(m_ADCKey); //Where our output will be stored
SHAL_clear_bitmask(config_reg.reg, config_reg.continuous_mode_mask);
auto sampleTimeReg = getADCChannelSamplingTimeRegister(m_ADCKey,channel);
auto sampleTimeReg = getADCChannelSamplingTimeRegister(m_ADCKey, channel);
SHAL_set_bits(sampleTimeReg.reg, 3, static_cast<uint8_t>(time), sampleTimeReg.channel_offset);
SHAL_set_bits(sampleTimeReg.reg,3,static_cast<uint8_t>(time),sampleTimeReg.channel_offset); //Set sample time register TODO un-hardcode bit width?
addADCChannelToSequence(channel, 0);
if(setADCSequenceAmount(1) == SHAL_Result::ERROR) { return 0; }
addADCChannelToSequence(channel,0); //Use index 0 to convert channel
if(setADCSequenceAmount(1) == SHAL_Result::ERROR){return 0;} //Since we're using single convert, convert 1 channel
if(enable() != SHAL_Result::OKAY){
if(enable() != SHAL_Result::OKAY) {
return 0;
}
startConversion(); //Start ADC conversion
auto ISR_reg = getADCISRReg(m_ADCKey);
if(!SHAL_WAIT_FOR_CONDITION_US(((*ISR_reg.reg & ISR_reg.end_of_sequence_mask) != 0),500)){ //Wait for conversion
return 0; //Failed
// CRITICAL: Clear ALL relevant flags before starting
SHAL_apply_bitmask(ISR_reg.reg, ISR_reg.end_of_sequence_mask);
SHAL_apply_bitmask(ISR_reg.reg, ISR_reg.end_of_conversion_mask);
if(ISR_reg.overrun_mask) {
SHAL_apply_bitmask(ISR_reg.reg, ISR_reg.overrun_mask);
}
return *data_reg.reg;
volatile uint16_t dummy = *data_reg.reg;
(void)dummy;
startConversion();
if(!SHAL_WAIT_FOR_CONDITION_US(((*ISR_reg.reg & ISR_reg.end_of_conversion_mask) != 0), 2000)) {
return 0;
}
uint16_t result = *data_reg.reg;
SHAL_apply_bitmask(ISR_reg.reg, ISR_reg.end_of_conversion_mask);
SHAL_apply_bitmask(ISR_reg.reg, ISR_reg.end_of_sequence_mask);
return result;
}
SHAL_Result SHAL_ADC::multiConvertSingle(SHAL_ADC_Channel* channels, const int numChannels, uint16_t* result, SHAL_ADC_SampleTime time) {
@@ -259,27 +274,23 @@ SHAL_Result SHAL_ADC::setADCSequenceAmount(uint32_t amount) {
}
SHAL_Result SHAL_ADC::addADCChannelToSequence(SHAL_ADC_Channel channel, uint32_t index) {
if(!isValid()){return SHAL_Result::ERROR;}
if(!isValid()) { return SHAL_Result::ERROR; }
auto sequenceRegisters = getADCSequenceRegisters(m_ADCKey);
auto channelNum = static_cast<uint8_t>(channel);
uint32_t bitSection = (index + 1) % 5; //Need a new variable since SQR1 has its data bits shifted up by one section to make room for the L section
uint32_t bitSection = (index + 1) % 5;
uint32_t sequenceRegNumber = (index + 1) / 5;
volatile uint32_t* sequenceReg = sequenceRegisters.regs[sequenceRegNumber];
uint32_t bitSectionOffset = sequenceRegisters.offsets[bitSection];
if(sequenceRegNumber != 0){
*sequenceReg = 0; //Clear previous conversions
}
else{
*sequenceReg &= 0x0000000F;
}
// Clear only the specific 5 bits we're setting, not the entire register
uint32_t clearMask = ~(0x1F << bitSectionOffset);
*sequenceReg &= clearMask;
SHAL_set_bits(sequenceReg,5,channelNum,bitSectionOffset);
// Set the new channel number
*sequenceReg |= (channelNum << bitSectionOffset);
return SHAL_Result::OKAY;
}