disable claim pin for debug
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7f54630224
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@ -46,9 +46,9 @@ void common_hal_analogio_analogin_construct(analogio_analogin_obj_t* self,
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}
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//TODO: add ADC traits to structure?
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LL_GPIO_SetPinMode(pin_port(pin->number), pin_mask(pin->number), LL_GPIO_MODE_ANALOG);
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LL_GPIO_SetPinMode(pin_port(pin->port), pin_mask(pin->number), LL_GPIO_MODE_ANALOG);
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LL_APB2_GRP1_EnableClock(LL_APB2_GRP1_PERIPH_ADC1); //TODO: conditional on ADC unit
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claim_pin(pin);
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//claim_pin(pin);
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self->pin = pin;
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}
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@ -69,54 +69,54 @@ uint16_t common_hal_analogio_analogin_get_value(analogio_analogin_obj_t *self) {
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// so we completely re-initialize it.
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//HAL Implementation
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ADC_HandleTypeDef AdcHandle;
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ADC_ChannelConfTypeDef sConfig;
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// ADC_HandleTypeDef AdcHandle;
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// ADC_ChannelConfTypeDef sConfig;
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AdcHandle.Instance = ADC1;
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AdcHandle.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV2;
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AdcHandle.Init.Resolution = ADC_RESOLUTION_12B;
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AdcHandle.Init.ScanConvMode = DISABLE;
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AdcHandle.Init.ContinuousConvMode = ENABLE;
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AdcHandle.Init.DiscontinuousConvMode = DISABLE;
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AdcHandle.Init.NbrOfDiscConversion = 0;
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AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
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AdcHandle.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T1_CC1;
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AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT;
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AdcHandle.Init.NbrOfConversion = 1;
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AdcHandle.Init.DMAContinuousRequests = ENABLE;
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AdcHandle.Init.EOCSelection = DISABLE;
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// AdcHandle.Instance = ADC1;
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// AdcHandle.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV2;
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// AdcHandle.Init.Resolution = ADC_RESOLUTION_12B;
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// AdcHandle.Init.ScanConvMode = DISABLE;
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// AdcHandle.Init.ContinuousConvMode = ENABLE;
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// AdcHandle.Init.DiscontinuousConvMode = DISABLE;
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// AdcHandle.Init.NbrOfDiscConversion = 0;
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// AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
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// AdcHandle.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T1_CC1;
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// AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT;
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// AdcHandle.Init.NbrOfConversion = 1;
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// AdcHandle.Init.DMAContinuousRequests = ENABLE;
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// AdcHandle.Init.EOCSelection = DISABLE;
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sConfig.Channel = self->pin->adc_channel;
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sConfig.Rank = 1;
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sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES;
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sConfig.Offset = 0;
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// sConfig.Channel = self->pin->adc_channel;
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// sConfig.Rank = 1;
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// sConfig.SamplingTime = ADC_SAMPLETIME_56CYCLES;
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// sConfig.Offset = 0;
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HAL_ADC_ConfigChannel(&AdcHandle, &sConfig);
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// HAL_ADC_ConfigChannel(&AdcHandle, &sConfig);
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HAL_ADC_Start(&AdcHandle);
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HAL_ADC_PollForConversion(&AdcHandle,1); //timeout in ms
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uint16_t uhADCxConvertedData = (uint16_t)HAL_ADC_GetValue(&AdcHandle);
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HAL_ADC_Stop(&AdcHandle);
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// HAL_ADC_Start(&AdcHandle);
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// HAL_ADC_PollForConversion(&AdcHandle,1); //timeout in ms
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// uint16_t uhADCxConvertedData = (uint16_t)HAL_ADC_GetValue(&AdcHandle);
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// HAL_ADC_Stop(&AdcHandle);
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//LL Implementation
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// if (LL_ADC_IsEnabled(ADC1) == 0)
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// {
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// LL_ADC_REG_SetTriggerSource(ADC1, LL_ADC_REG_TRIG_SOFTWARE);
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// LL_ADC_REG_SetContinuousMode(ADC1, LL_ADC_REG_CONV_SINGLE);
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// LL_ADC_REG_SetSequencerLength(ADC1, LL_ADC_REG_SEQ_SCAN_DISABLE);
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// LL_ADC_REG_SetSequencerRanks(ADC1, LL_ADC_REG_RANK_1, stm32_adc_channel(self->pin->adc));
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// //LL_ADC_REG_SetSequencerRanks(ADC1, LL_ADC_REG_RANK_1, LL_ADC_CHANNEL_4);
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if (LL_ADC_IsEnabled(ADC1) == 0)
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{
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LL_ADC_REG_SetTriggerSource(ADC1, LL_ADC_REG_TRIG_SOFTWARE);
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LL_ADC_REG_SetContinuousMode(ADC1, LL_ADC_REG_CONV_SINGLE);
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LL_ADC_REG_SetSequencerLength(ADC1, LL_ADC_REG_SEQ_SCAN_DISABLE);
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LL_ADC_REG_SetSequencerRanks(ADC1, LL_ADC_REG_RANK_1, self->pin->adc_channel);
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//LL_ADC_REG_SetSequencerRanks(ADC1, LL_ADC_REG_RANK_1, LL_ADC_CHANNEL_4);
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// LL_ADC_SetChannelSamplingTime(ADC1, stm32_adc_channel(self->pin->adc), LL_ADC_SAMPLINGTIME_56CYCLES);
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// LL_ADC_EnableIT_OVR(ADC1);
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// }
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// LL_ADC_Enable(ADC1);
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// uint16_t uhADCxConvertedData = (__LL_ADC_DIGITAL_SCALE(LL_ADC_RESOLUTION_12B) + 1);
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// LL_ADC_REG_StartConversionSWStart(ADC1);
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// while (LL_ADC_IsActiveFlag_EOCS(ADC1) == 0) {}
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// /* Retrieve ADC conversion data */
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// /* (data scale corresponds to ADC resolution: 12 bits) */
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// uhADCxConvertedData = LL_ADC_REG_ReadConversionData12(ADC1);
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LL_ADC_SetChannelSamplingTime(ADC1, self->pin->adc_channel, LL_ADC_SAMPLINGTIME_56CYCLES);
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LL_ADC_EnableIT_OVR(ADC1);
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}
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LL_ADC_Enable(ADC1);
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uint16_t uhADCxConvertedData = (__LL_ADC_DIGITAL_SCALE(LL_ADC_RESOLUTION_12B) + 1);
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LL_ADC_REG_StartConversionSWStart(ADC1);
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while (LL_ADC_IsActiveFlag_EOCS(ADC1) == 0) {}
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/* Retrieve ADC conversion data */
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/* (data scale corresponds to ADC resolution: 12 bits) */
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uhADCxConvertedData = LL_ADC_REG_ReadConversionData12(ADC1);
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// // Shift the value to be 16 bit.
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return uhADCxConvertedData << 4;
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