RTK_base/user_uart/user_uart.c

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2022-06-14     fize       the first version
 */
#include "user_uart.h"

//dev       <20>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//size    <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݴ<EFBFBD>С<EFBFBD><D0A1><EFBFBD>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//still in ISR func,so can only use ulog at asynchronous mode.
static rt_err_t uart3_rx_complete(rt_device_t dev, rt_size_t size)
{
    uart3_simpack.rx_num = size;
    rt_sem_release(&uart3_simpack.rx_sem);
    return RT_EOK;
}
static rt_err_t uart6_rx_complete(rt_device_t dev, rt_size_t size)
{
    uart6_simpack.rx_num = size;
    rt_sem_release(&uart6_simpack.rx_sem);
    return RT_EOK;
}

rt_device_t uart3_init(void)
{
    struct serial_configure config;

    serial3 = rt_device_find(USER_UART3_NAME);
    if (serial3 == RT_NULL)
    {
        LOG_E("could not find device: %s", USER_UART3_NAME);
        return RT_NULL;
    }
    config.baud_rate = BAUD_RATE_460800;        //<2F>޸IJ<DEB8><C4B2><EFBFBD><EFBFBD><EFBFBD>Ϊ 460800
    config.data_bits = DATA_BITS_8;           //<2F><><EFBFBD><EFBFBD>λ 8
    config.stop_bits = STOP_BITS_1;           //ֹͣλ 1
    config.bufsz = 8000;                   //<2F>޸Ļ<DEB8><C4BB><EFBFBD><EFBFBD><EFBFBD> buff size Ϊ 2048
    config.parity = PARITY_NONE;           //<2F><><EFBFBD><EFBFBD>żУ<C5BC><D0A3>λ
    rt_device_control(serial3, RT_DEVICE_CTRL_CONFIG, &config);
    if (rt_device_set_rx_indicate(serial3, uart3_rx_complete) != RT_EOK)
    {
        LOG_E("could not set %s 's rx callback func", USER_UART3_NAME);
        return RT_NULL;
    }
    //do not ust dma for rx and tx at same time
    if (rt_device_open(serial3, RT_DEVICE_FLAG_INT_TX | RT_DEVICE_FLAG_DMA_RX | RT_DEVICE_OFLAG_RDWR))
    {
        LOG_E("could not open device: %s", USER_UART3_NAME);
        return RT_NULL;
    }
    rt_sem_init(&uart3_simpack.rx_sem, "rx3_sem", 0, RT_IPC_FLAG_PRIO);
    return serial3;
}
rt_device_t uart6_init(void)
{
    struct serial_configure config;
    serial6 = rt_device_find(USER_UART6_NAME);
    if (serial6 == RT_NULL)
    {
        LOG_E("could not find device: %s", USER_UART6_NAME);
        return RT_NULL;
    }
    config.baud_rate = BAUD_RATE_115200;        //<2F>޸IJ<DEB8><C4B2><EFBFBD><EFBFBD><EFBFBD>Ϊ 460800
    config.data_bits = DATA_BITS_8;           //<2F><><EFBFBD><EFBFBD>λ 8
    config.stop_bits = STOP_BITS_1;           //ֹͣλ 1
    config.bufsz = 8000;                   //<2F>޸Ļ<DEB8><C4BB><EFBFBD><EFBFBD><EFBFBD> buff size Ϊ 2048
    config.parity = PARITY_NONE;           //<2F><><EFBFBD><EFBFBD>żУ<C5BC><D0A3>λ
    rt_device_control(serial6, RT_DEVICE_CTRL_CONFIG, &config);
    if (rt_device_set_rx_indicate(serial6, uart6_rx_complete) != RT_EOK)
    {
        LOG_E("could not set %s 's rx callback func", USER_UART6_NAME);
        return RT_NULL;
    }
    //do not ust dma for rx and tx at same time
    if (rt_device_open(serial6, RT_DEVICE_FLAG_INT_TX | RT_DEVICE_FLAG_DMA_RX | RT_DEVICE_OFLAG_RDWR))
    {
        LOG_E("could not open device: %s", USER_UART6_NAME);
        return RT_NULL;
    }
    rt_sem_init(&uart6_simpack.rx_sem, "rx6_sem", 0, RT_IPC_FLAG_PRIO);
    return serial6;
}