ADC: AdcDevice::enableChannel: return channelAdcIndex or error
This value will be used as part of AdcToken for multi ADC support
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@ -24,7 +24,7 @@
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class AdcDevice {
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public:
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explicit AdcDevice(ADCConversionGroup* p_hwConfig, volatile adcsample_t *p_buf);
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void enableChannel(adc_channel_e hwChannel);
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int enableChannel(adc_channel_e hwChannel);
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adc_channel_e getAdcChannelByInternalIndex(int index) const;
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adcsample_t getAvgAdcValue(adc_channel_e hwChannel, size_t bufDepth);
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FastAdcToken getAdcChannelToken(adc_channel_e hwChannel);
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@ -219,10 +219,10 @@ void AdcDevice::init(void) {
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//hwConfig->sqr1 += ADC_SQR1_NUM_CH(size());
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}
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void AdcDevice::enableChannel(adc_channel_e hwChannel) {
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int AdcDevice::enableChannel(adc_channel_e hwChannel) {
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if ((channelCount + 1) >= ADC_MAX_CHANNELS_COUNT) {
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criticalError("Too many ADC channels configured");
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return;
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return -1;
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}
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int logicChannel = channelCount++;
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@ -248,6 +248,8 @@ void AdcDevice::enableChannel(adc_channel_e hwChannel) {
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hwConfig->sqr5 |= channelAdcIndex << (5 * (logicChannel - 24));
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}
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#endif /* ADC_MAX_CHANNELS_COUNT */
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return channelAdcIndex;
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}
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adcsample_t AdcDevice::getAvgAdcValue(adc_channel_e hwChannel, size_t bufDepth) {
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