AnalogSensor.c File Reference

#include "../../Inc/Sensors/AnalogSensor.h"
#include "../../Inc/Utils/Constants.h"
#include <stdio.h>
#include <string.h>
#include "stm32f7xx_hal.h"

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Functions
void	initAnalogSensor (AnalogSensor *analogSensor, const char *name, int hz, int channel, void *child)
	Initializes an analog sensor and configures the corresponding GPIO pin. More...
void	ProcessADCData (uint32_t *adc1_buffer, uint32_t *adc2_buffer, uint32_t *adc3_buffer)
	Processes ADC data from all three ADCs and stores it in the circular buffer. More...
float	getAnalogSensorData (AnalogSensor *sensor)
	Retrieves analog sensor data for a specific channel. More...

Variables
static uint16_t	adc_samples [ADC_CHANNELS]

Function Documentation

getAnalogSensorData()

float getAnalogSensorData

(

AnalogSensor *

sensor

)

Retrieves analog sensor data for a specific channel.

Parameters

sensor

Pointer to the AnalogSensor structure

Returns

int The current ADC value for the specified channel

This function returns the latest ADC value for the channel specified in the AnalogSensor structure. If an invalid channel is specified, it returns 0.

Definition at line 89 of file AnalogSensor.c.

                                                {
    if (sensor->channel >= 0 && sensor->channel < ADC_CHANNELS) {
        return ((float)adc_samples[sensor->channel]/4096)*ADC_VREF;
    }
    printf("Invalid channel specified for AnalogSensor %s\r\n", sensor->sensor.updateable.name);
    return 0; // Default return for invalid channels
}

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initAnalogSensor()

void initAnalogSensor	(	AnalogSensor *	analogSensor,
		const char *	name,
		int	hz,
		int	channel,
		void *	child
	)

Initializes an analog sensor and configures the corresponding GPIO pin.

Parameters

sensor	Pointer to the AnalogSensor structure to initialize
name	Name of the sensor (string)
hz	Sampling frequency in Hertz
channel	ADC channel number for the sensor (0-16)

This function initializes the base sensor properties, sets the ADC channel, and configures the corresponding GPIO pin based on the channel number.

Definition at line 42 of file AnalogSensor.c.

                                                                                                      {
    initSensor(&analogSensor->sensor, name, hz, s_ANALOG, analogSensor);
    analogSensor->channel = channel;
    analogSensor->child = child;
}

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ProcessADCData()

void ProcessADCData	(	uint32_t *	adc1_buffer,
		uint32_t *	adc2_buffer,
		uint32_t *	adc3_buffer
	)

Processes ADC data from all three ADCs and stores it in the circular buffer.

Parameters

adc1_data	Pointer to ADC1 data buffer (channels 0-5)
adc2_data	Pointer to ADC2 data buffer (channels 6-11)
adc3_data	Pointer to ADC3 data buffer (channels 12-15)

This function combines data from all three ADCs into a single ADCSample and adds it to the circular buffer. It also sends debug information via UART.

Definition at line 58 of file AnalogSensor.c.

                                                                                         {
 
    // Channels 0, 2, 6, 8, 19, 12, 14 on ADC1
    for (int i = 0; i < ADC1_CHANNEL_SIZE; i++) {
        adc_samples[i] = adc1_buffer[i];
    }
 
    // Channels 1, 3, 7, 9, 10, 13, 15 on ADC2
    for (int i = ADC1_CHANNEL_SIZE; i < ADC1_CHANNEL_SIZE+ADC2_CHANNEL_SIZE; i++) {
        adc_samples[i] = adc2_buffer[i-7];
    }
 
    // Channels 4, 5, 6, 7, 8, 9, 14, 15 on ADC3
    for (int i = ADC1_CHANNEL_SIZE+ADC2_CHANNEL_SIZE; i < ADC_CHANNELS; i++) {
        adc_samples[i] = adc3_buffer[i-14];
    }
 
//    printf("8: %10d, 4: %10d, 12: %10d, 19: %10d, 21: %10d, 18: %10d, 10: %10d\r\n, 5: %10d\r\n, 6: %10d\r\n",
//           adc_samples[8], adc_samples[4], adc_samples[12], adc_samples[19], adc_samples[21], adc_samples[18], adc_samples[10], adc_samples[5], adc_samples[6]);
 
}

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Variable Documentation

adc_samples

uint16_t adc_samples[ADC_CHANNELS]

static

Definition at line 13 of file AnalogSensor.c.