DMX512_driver.h

 
#ifndef _DMX512_DRIVER_H_
#define _DMX512_DRIVER_H_
 
#include <stdint.h>
#include <stdlib.h>
#include "stm32f4xx_hal.h"
#include "DMX512_defs.h"
 
#define DMX512_BREAKMAB_BAUDRATE 0x186A0U       
#define DMX512_FRAME_BAUDRATE    0x3D090U       
#define DMX512_BREAKMAB_BYTESIZE 0x00001U       
#define DMX512_FRAME_BYTESIZE    0x00200U       
#define DMX512_BREAKMAB_BYTEDATA 0x00000U       
#define DEFAULT_DMX512_DRIVER {{}, {0}, DMX512_DRIVER_UNINITIALISED}
 
typedef enum{
    DMX512_DRIVER_OK,                                           /*< No error*/
    DMX512_DRIVER_THREAD_ERR,                                   /*< The driver thread crashed*/
    DMX512_DRIVER_ADDRESS_OUT_OF_BOUNDS                         /*< A provided address was outside of the unverse's 0-512 addresses interval*/
}DMX512_driver_err_e;
 
typedef enum{
    DMX512_DRIVER_INITIALISED,                                  /*< Driver is initialised*/
    DMX512_DRIVER_UNINITIALISED                                 /*< Driver is uninitialised*/
}DMX512_driver_status_e;
 
typedef struct{
    UART_HandleTypeDef uart;                                    /*< UART handle*/
    uint8_t value_buffer[DMX512_FRAME_BYTESIZE - 1];            /*< DMX512 frame channel values buffer*/
    DMX512_driver_status_e status;                              /*< Current status of the driver @see DMX512_driver_status_e*/
}DMX512_driver_s;
 
void DMX512_driver_init(void);
DMX512_driver_status_e DMX512_driver_get_status(void);
DMX512_driver_err_e DMX512_driver_start(void);
DMX512_driver_err_e DMX512_driver_stop(void);
DMX512_driver_err_e DMX512_driver_set_single(uint16_t address, uint8_t value);
 
#endif