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67 lines
1.2 KiB
C
67 lines
1.2 KiB
C
/**
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* @file shell_port.c
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* @author Letter (NevermindZZT@gmail.com)
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* @brief
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* @version 0.1
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* @date 2019-02-22
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*
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* @copyright (c) 2019 Letter
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*
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*/
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#include "shell.h"
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#include "freertos/FreeRTOS.h"
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#include "driver/uart.h"
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#define SHELL_UART UART_NUM_0
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Shell shell;
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char shellBuffer[512];
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/**
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* @brief 用户shell写
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*
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* @param data 数据
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*/
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void userShellWrite(char data)
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{
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uart_write_bytes(SHELL_UART, (const char *)&data, 1);
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}
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/**
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* @brief 用户shell读
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*
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* @param data 数据
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* @return char 状态
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*/
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signed char userShellRead(char *data)
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{
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return (uart_read_bytes(SHELL_UART, (uint8_t *)data, 1, portMAX_DELAY) == 1)
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? 0 : -1;
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}
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/**
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* @brief 用户shell初始化
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*
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*/
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void userShellInit(void)
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{
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uart_config_t uartConfig = {
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.baud_rate = 115200,
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.data_bits = UART_DATA_8_BITS,
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.parity = UART_PARITY_DISABLE,
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.stop_bits = UART_STOP_BITS_1,
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.flow_ctrl = UART_HW_FLOWCTRL_DISABLE
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};
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uart_param_config(SHELL_UART, &uartConfig);
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uart_driver_install(SHELL_UART, 256 * 2, 0, 0, NULL, 0);
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shell.write = userShellWrite;
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shell.read = userShellRead;
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shellInit(&shell, shellBuffer, 512);
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}
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