#include "usr_drv_uart.h"

#include "usr_bsp_uart.h"
#include "usr_bsp_gpio.h"

static uint8_t g_usr_drv_uart_printf_id = 0;

/* RS485初始化 */
void usr_drv_rs485_init(uint8_t uart_id, uint32_t bandrate, uint32_t ui32Port, uint8_t ui8Pins)
{
    if (uart_id == USR_UART1) {
        usr_bsp_gpio_init(GPIO_PORTK_BASE, GPIO_PIN_4, GPIO_DIR_MODE_OUT, GPIO_PIN_TYPE_STD);
        usr_bsp_gpio_set_output(GPIO_PORTK_BASE, GPIO_PIN_4, USR_GPIO_OUT_LOW);
    }
    usr_bsp_uart_init(uart_id, bandrate, USR_UART_DATABIT_8,
                      USR_UART_STOPBIT_ONE, USR_UART_CHECKBIT_NONE);
    usr_bsp_gpio_init(ui32Port, ui8Pins, GPIO_DIR_MODE_OUT, GPIO_PIN_TYPE_STD);
    usr_bsp_gpio_set_output(ui32Port, ui8Pins, USR_GPIO_OUT_LOW);
}

/* RS485发送数据 */
void usr_drv_rs485_write(uint8_t uart_id, uint8_t *buf, uint32_t buflen, uint32_t ui32Port, uint8_t ui8Pins)
{
    usr_bsp_gpio_set_output(ui32Port, ui8Pins, USR_GPIO_OUT_HIGH);
    usr_bsp_uart_send(uart_id, buf, buflen);
    usr_bsp_gpio_set_output(ui32Port, ui8Pins, USR_GPIO_OUT_LOW);
}

/* RS485接收数据 */
uint32_t usr_drv_rs485_read(uint8_t uart_id, uint8_t *info, uint32_t info_len)
{
    return usr_bsp_uart_get_info(uart_id, info, info_len);
}


/* 调试串口 */
void usr_drv_uart_printf_init(uint8_t uart_id, uint32_t bandrate)
{
    g_usr_drv_uart_printf_id = uart_id;
    usr_bsp_uart_init(g_usr_drv_uart_printf_id, bandrate, USR_UART_DATABIT_8,
                      USR_UART_STOPBIT_ONE, USR_UART_CHECKBIT_NONE);
}

int8_t usr_drv_printf(uint8_t *data, uint32_t data_len)
{
    int rt;
    if (data_len == 0) {
        return -1;
    }
    rt = usr_bsp_uart_send(g_usr_drv_uart_printf_id, data, data_len);
    return rt;
}