dac.h

#pragma once
 
/************************************************************************************************
 * @file   dac.h
 *
 * @brief  DAC Library Header
 *
 * @date   2025-01-30
 * @author Midnight Sun Team #24 - MSXVI
 ************************************************************************************************/
 
/* Standard library Headers */
#include <stdbool.h>
#include <stdint.h>
 
/* Inter-component Headers */
 
/* Intra-component Headers */
#include "gpio.h"
#include "status.h"
 
/* Number of DAC channels on STM32L433 (DAC1 has 2 channels) */
#define NUM_DAC_CHANNELS 2U
 
/* DAC resolution - 12-bit */
#define DAC_MAX_VALUE 4095U
 
/* Reference voltage in mV (typically 3.3V) */
#define DAC_VREF_MV 3300U
 
typedef enum {
  DAC_CHANNEL1 = 0, 
  DAC_CHANNEL2 = 1, 
} DacChannel;
 
StatusCode dac_init(void);
 
StatusCode dac_enable_channel(DacChannel channel);
 
StatusCode dac_set_raw(DacChannel channel, uint16_t value);
 
StatusCode dac_set_voltage(DacChannel channel, uint16_t voltage_mv);
 
StatusCode dac_get_raw(DacChannel channel, uint16_t *value);
 
StatusCode dac_get_voltage(DacChannel channel, uint16_t *voltage_mv);
 
StatusCode dac_disable_channel(DacChannel channel);