devices-modbus.h

#include <stdio.h>

#include <pico/stdlib.h>
#include <hardware/irq.h>
#include <hardware/uart.h>

#include <lightmodbus/lightmodbus.h>
#include <lightmodbus/master.h>

#include "devices-dcc50s.h"
#include "devices-rvr40.h"
#include "devices-lfp10s.h"

#define UART_RX_TIMEOUT   1000000

#define RS485_PORT        uart0
#define RS485_BR          9600
#define RS485_DBITS       8
#define RS485_SBITS       1
#define RS485_PIN_TX      0
#define RS485_PIN_RX      1
#define RS485_PIN_RTS     22

#define RS232_PORT        uart1
#define RS232_BR          9600
#define RS232_DBITS       8
#define RS232_SBITS       1
#define RS232_PIN_TX      4
#define RS232_PIN_RX      5

static ModbusMaster master;

int devices_modbus_init();
int devices_modbus_uart_init();
uint8_t devices_modbus_read_registers(uart_inst_t* inst, uint8_t unit, uint16_t address, uint16_t count, uint16_t* returned_data);