mirror of
https://github.com/SasaKaranovic/HousePlantMonitoringSystem.git
synced 2026-07-08 17:52:37 +02:00
Sasa Karanovic
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
#include "adc.h"
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ADC_HandleTypeDef hadc;
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/* ADC init function */
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void MX_ADC_Init(void)
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{
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/** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
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*/
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hadc.Instance = ADC1;
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hadc.Init.OversamplingMode = DISABLE;
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hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV64;
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hadc.Init.Resolution = ADC_RESOLUTION_12B;
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// hadc.Init.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;
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// hadc.Init.SamplingTime = ADC_SAMPLETIME_12CYCLES_5;
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hadc.Init.SamplingTime = ADC_SAMPLETIME_160CYCLES_5;
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hadc.Init.ScanConvMode = ADC_SCAN_DIRECTION_FORWARD;
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hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;
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hadc.Init.ContinuousConvMode = DISABLE;
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hadc.Init.DiscontinuousConvMode = DISABLE;
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hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
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hadc.Init.ExternalTrigConv = ADC_SOFTWARE_START;
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hadc.Init.DMAContinuousRequests = DISABLE;
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hadc.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
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hadc.Init.Overrun = ADC_OVR_DATA_PRESERVED;
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hadc.Init.LowPowerAutoWait = DISABLE;
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hadc.Init.LowPowerFrequencyMode = DISABLE;
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hadc.Init.LowPowerAutoPowerOff = DISABLE;
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if (HAL_ADC_Init(&hadc) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_ADCEx_Calibration_Start(&hadc, ADC_SINGLE_ENDED))
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{
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Error_Handler();
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}
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}
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void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(adcHandle->Instance==ADC1)
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{
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/* ADC1 clock enable */
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__HAL_RCC_ADC1_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**ADC GPIO Configuration
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PA0-CK_IN ------> ADC_IN0
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_0;
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GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_1;
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GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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}
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}
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void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
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{
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if(adcHandle->Instance==ADC1)
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{
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__HAL_RCC_ADC1_CLK_DISABLE();
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HAL_GPIO_DeInit(GPIOA, GPIO_PIN_0);
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}
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}
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uint32_t ADC_Measure(uint32_t channel)
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{
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uint32_t nADC;
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ADC_ChannelConfTypeDef sConfig = {0};
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sConfig.Channel = channel;
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sConfig.Rank = ADC_RANK_CHANNEL_NUMBER;
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HAL_ADC_ConfigChannel(&hadc, &sConfig);
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HAL_ADC_Start(&hadc);
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HAL_ADC_PollForConversion(&hadc, HAL_MAX_DELAY);
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nADC = HAL_ADC_GetValue(&hadc);
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return nADC;
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}
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