Added terminal application for embedded devices
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Terminal.c
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304
Terminal.c
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/*
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* Terminal.c
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*
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* Created on: Jul 13, 2021
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* Author: angoosh
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*/
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#include "Terminal.h"
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#include "main.h"
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uint8_t pointr = 0;
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uint8_t RX[1];
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uint8_t termRxBuffer[TERM_BUFFER_SIZE];
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UART_HandleTypeDef huart3;
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uint8_t msgOk[] = {"\nOK\n"};
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uint8_t msgBlank[] = {"> "};
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uint8_t msgNoGpioPort[] = {"\nNo such GPIO port\n"};
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uint8_t msgUnknownParameter[] = {"\nUnknown parameter\n"};
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uint8_t msgNL = '\n';
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/**
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* @brief Callback for uart byte by byte receive
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*/
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void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart){
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termRxBuffer[pointr] = RX[0];
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pointr++;
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HAL_UART_Receive_IT(&huart3, RX, 1);
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}
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/**
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* @brief Readout whole receive buffer, for debug
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*/
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void PrintRxBuffer(){
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for(int l = 0; l<sizeof(termRxBuffer); l++){
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HAL_UART_Transmit(&huart3, &termRxBuffer[l], 1, 0xFFFF);
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termRxBuffer[l] = 0;
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}
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pointr = 0;
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}
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/**
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* @brief Read rx buffer and parse commands
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*
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* commands:
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* ls - list fatfs drive
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* mkdir - make fatfs directory
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* touch - create fatfs file
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* rm - remove file
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* echo - print contents of file / write to file
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* reset - reset MCU
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* gpio - gpio operations as set, reset, input, output
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* time - print local time
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* help - print all commands
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*/
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void ReadBuffer(){
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char reset[] = {"reset"};
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char gpio[] = {"gpio"};
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char help[] = {"help"};
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char time[] = {"time"};
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for(int i = 0; i < TERM_BUFFER_SIZE; i++){
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char chachar[TERM_BUFFER_SIZE];
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for(int j = 0; j < (TERM_BUFFER_SIZE - i); j++){
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chachar[j] = termRxBuffer[j+i];
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}
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if(chachar[0] == '\n'){}
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else if(strncmp(reset, chachar, 5) == 0){
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HAL_UART_Transmit(&huart3, msgOk, 3, 0xFFFF);
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HAL_NVIC_SystemReset();
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}
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else if(strncmp(gpio, chachar, 4) == 0){
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char pinStr[2];
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uint pin;
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uint pinBinary = 1;
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GPIO_InitTypeDef GPIO_ReInitStruct = {0};
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char pinState[2];
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uint8_t msgGpioHelp[] = {"\nUsage:\ngpio -[SWITCH]\n\nSwitch structure:\n-[s,r,i,o,g][GPIO port A-D][GPIO pin 0-15]\n-s GPIO set pin HIGH\n-r GPIO reset pin to LOW\n-i GPIO set pin as INPUT\n-o GPIO set pin as OUTPUT\n-g Read GPIO pin\n"};
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uint8_t msgGpioRead[] = {"\nGPIO pin state is: "};
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uint8_t msgGpioSet[] = {"\nGPIO pin set\n"};
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uint8_t msgGpioReset[] = {"\nGPIO pin reset\n"};
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uint8_t msgGpioSetIn[] = {"\nGPIO pin set input\n"};
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uint8_t msgGpioSetOut[] = {"\nGPIO pin set output\n"};
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if(chachar[5] == '-'){
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switch(chachar[6]){
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case 's':
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pinStr[0] = chachar[8];
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pinStr[1] = chachar[9];
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sscanf(pinStr, "%u", &pin);
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switch(chachar[7]){
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case 'A':
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HAL_GPIO_WritePin(GPIOA, (pinBinary << pin), 1);
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HAL_UART_Transmit(&huart3, msgGpioSet, sizeof(msgGpioSet)-1, 0xFFFF);
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break;
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case 'B':
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HAL_GPIO_WritePin(GPIOB, (pinBinary << pin), 1);
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HAL_UART_Transmit(&huart3, msgGpioSet, sizeof(msgGpioSet)-1, 0xFFFF);
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break;
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case 'C':
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HAL_GPIO_WritePin(GPIOC, (pinBinary << pin), 1);
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HAL_UART_Transmit(&huart3, msgGpioSet, sizeof(msgGpioSet)-1, 0xFFFF);
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break;
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case 'D':
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HAL_GPIO_WritePin(GPIOD, (pinBinary << pin), 1);
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HAL_UART_Transmit(&huart3, msgGpioSet, sizeof(msgGpioSet)-1, 0xFFFF);
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break;
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default:
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HAL_UART_Transmit(&huart3, msgNoGpioPort, sizeof(msgNoGpioPort)-1, 0xFFFF);
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break;
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}
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break;
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case 'r':
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pinStr[0] = chachar[8];
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pinStr[1] = chachar[9];
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sscanf(pinStr, "%u", &pin);
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switch(chachar[7]){
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case 'A':
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HAL_GPIO_WritePin(GPIOA, (pinBinary << pin), 0);
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HAL_UART_Transmit(&huart3, msgGpioReset, sizeof(msgGpioReset)-1, 0xFFFF);
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break;
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case 'B':
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HAL_GPIO_WritePin(GPIOB, (pinBinary << pin), 0);
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HAL_UART_Transmit(&huart3, msgGpioReset, sizeof(msgGpioReset)-1, 0xFFFF);
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break;
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case 'C':
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HAL_GPIO_WritePin(GPIOC, (pinBinary << pin), 0);
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HAL_UART_Transmit(&huart3, msgGpioReset, sizeof(msgGpioReset)-1, 0xFFFF);
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break;
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case 'D':
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HAL_GPIO_WritePin(GPIOD, (pinBinary << pin), 0);
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HAL_UART_Transmit(&huart3, msgGpioReset, sizeof(msgGpioReset)-1, 0xFFFF);
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break;
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default:
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HAL_UART_Transmit(&huart3, msgNoGpioPort, sizeof(msgNoGpioPort)-1, 0xFFFF);
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break;
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}
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break;
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case 'i':
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pinStr[0] = chachar[8];
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pinStr[1] = chachar[9];
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sscanf(pinStr, "%u", &pin);
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GPIO_ReInitStruct.Pin = (pinBinary << pin);
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GPIO_ReInitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_ReInitStruct.Pull = GPIO_PULLUP;
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GPIO_ReInitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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switch(chachar[7]){
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case 'A':
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HAL_GPIO_DeInit(GPIOA, (pinBinary << pin));
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HAL_GPIO_Init(GPIOA, &GPIO_ReInitStruct);
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HAL_UART_Transmit(&huart3, msgGpioSetIn, sizeof(msgGpioSetIn)-1, 0xFFFF);
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break;
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case 'B':
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HAL_GPIO_DeInit(GPIOB, (pinBinary << pin));
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HAL_GPIO_Init(GPIOB, &GPIO_ReInitStruct);
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HAL_UART_Transmit(&huart3, msgGpioSetIn, sizeof(msgGpioSetIn)-1, 0xFFFF);
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break;
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case 'C':
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HAL_GPIO_DeInit(GPIOC, (pinBinary << pin));
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HAL_GPIO_Init(GPIOC, &GPIO_ReInitStruct);
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HAL_UART_Transmit(&huart3, msgGpioSetIn, sizeof(msgGpioSetIn)-1, 0xFFFF);
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break;
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case 'D':
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HAL_GPIO_DeInit(GPIOD, (pinBinary << pin));
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HAL_GPIO_Init(GPIOD, &GPIO_ReInitStruct);
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HAL_UART_Transmit(&huart3, msgGpioSetIn, sizeof(msgGpioSetIn)-1, 0xFFFF);
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break;
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default:
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HAL_UART_Transmit(&huart3, msgNoGpioPort, sizeof(msgNoGpioPort)-1, 0xFFFF);
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break;
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}
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break;
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case 'o':
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pinStr[0] = chachar[8];
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pinStr[1] = chachar[9];
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sscanf(pinStr, "%u", &pin);
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GPIO_ReInitStruct.Pin = (pinBinary << pin);
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GPIO_ReInitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_ReInitStruct.Pull = GPIO_NOPULL;
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GPIO_ReInitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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switch(chachar[7]){
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case 'A':
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HAL_GPIO_DeInit(GPIOA, (pinBinary << pin));
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HAL_GPIO_Init(GPIOA, &GPIO_ReInitStruct);
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HAL_UART_Transmit(&huart3, msgGpioSetOut, sizeof(msgGpioSetOut)-1, 0xFFFF);
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break;
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case 'B':
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HAL_GPIO_DeInit(GPIOB, (pinBinary << pin));
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HAL_GPIO_Init(GPIOB, &GPIO_ReInitStruct);
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HAL_UART_Transmit(&huart3, msgGpioSetOut, sizeof(msgGpioSetOut)-1, 0xFFFF);
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break;
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case 'C':
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HAL_GPIO_DeInit(GPIOC, (pinBinary << pin));
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HAL_GPIO_Init(GPIOC, &GPIO_ReInitStruct);
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HAL_UART_Transmit(&huart3, msgGpioSetOut, sizeof(msgGpioSetOut)-1, 0xFFFF);
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break;
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case 'D':
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HAL_GPIO_DeInit(GPIOD, (pinBinary << pin));
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HAL_GPIO_Init(GPIOD, &GPIO_ReInitStruct);
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HAL_UART_Transmit(&huart3, msgGpioSetOut, sizeof(msgGpioSetOut)-1, 0xFFFF);
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break;
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default:
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HAL_UART_Transmit(&huart3, msgNoGpioPort, sizeof(msgNoGpioPort)-1, 0xFFFF);
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break;
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}
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break;
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case 'g':
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pinStr[0] = chachar[8];
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pinStr[1] = chachar[9];
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sscanf(pinStr, "%u", &pin);
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switch(chachar[7]){
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case 'A':
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sprintf(pinState, "%u", HAL_GPIO_ReadPin(GPIOA, (pinBinary << pin)));
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HAL_UART_Transmit(&huart3, msgGpioRead, sizeof(msgGpioRead)-1, 0xFFFF);
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HAL_UART_Transmit(&huart3, pinState, 1, 0xFFFF);
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HAL_UART_Transmit(&huart3, &msgNL, sizeof(msgNL), 0xFFFF);
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break;
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case 'B':
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sprintf(pinState, "%u", HAL_GPIO_ReadPin(GPIOB, (pinBinary << pin)));
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HAL_UART_Transmit(&huart3, msgGpioRead, sizeof(msgGpioRead)-1, 0xFFFF);
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HAL_UART_Transmit(&huart3, pinState, 1, 0xFFFF);
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HAL_UART_Transmit(&huart3, &msgNL, sizeof(msgNL), 0xFFFF);
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break;
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case 'C':
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sprintf(pinState, "%u", HAL_GPIO_ReadPin(GPIOC, (pinBinary << pin)));
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HAL_UART_Transmit(&huart3, msgGpioRead, sizeof(msgGpioRead)-1, 0xFFFF);
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HAL_UART_Transmit(&huart3, pinState, 1, 0xFFFF);
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HAL_UART_Transmit(&huart3, &msgNL, sizeof(msgNL), 0xFFFF);
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break;
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case 'D':
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sprintf(pinState, "%u", HAL_GPIO_ReadPin(GPIOD, (pinBinary << pin)));
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HAL_UART_Transmit(&huart3, msgGpioRead, sizeof(msgGpioRead)-1, 0xFFFF);
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HAL_UART_Transmit(&huart3, pinState, 1, 0xFFFF);
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HAL_UART_Transmit(&huart3, &msgNL, sizeof(msgNL), 0xFFFF);
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break;
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default:
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HAL_UART_Transmit(&huart3, msgNoGpioPort, sizeof(msgNoGpioPort)-1, 0xFFFF);
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break;
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}
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break;
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case 'h':
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HAL_UART_Transmit(&huart3, msgGpioHelp, sizeof(msgGpioHelp)-1, 0xFFFF);
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break;
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default:
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HAL_UART_Transmit(&huart3, msgUnknownParameter, sizeof(msgUnknownParameter)-1, 0xFFFF);
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break;
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}
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}
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HAL_UART_Transmit(&huart3, msgBlank, sizeof(msgBlank)-1, 0xFFFF);
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}
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else if(strncmp(help, chachar, 4) == 0){
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uint8_t msgHelp[] = {"\ncommands:\n\
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* ls - list fatfs drive\n\
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* mkdir - make fatfs directory\n\
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* touch - create fatfs file\n\
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* rm - remove file\n\
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* echo - print contents of file / write to file\n\
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* reset - reset MCU\n\
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* gpio - gpio operations as set, reset, input, output\n\
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* time - print local time\n\
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* errls - list all errors\n\
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* errclr - clear all errors\n\
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* help - print all commands\n"};
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HAL_UART_Transmit(&huart3, msgHelp, sizeof(msgHelp)-1, 0xFFFF);
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HAL_UART_Transmit(&huart3, msgBlank, sizeof(msgBlank)-1, 0xFFFF);
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}
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}
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for(int i = 0; i < TERM_BUFFER_SIZE; i++){
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termRxBuffer[i] = 0;
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}
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}
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void TerminalInit(){
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uint8_t msgWelcome[] = {"\nWelcome to terminal utility by Angoosh\nLIBRARY VERSION: "};
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uint8_t msgTermVersion[] = {LIB_VERSION};
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uint8_t msgSwVerHeader[] = {"\nSOFTWARE VERSION: "};
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#ifdef SOFTWARE_VERSION
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uint8_t msgSoftwareVersion[] = ;
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#else
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uint8_t msgSoftwareVersion[] = {"unknown"};
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#endif
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uint8_t msgTalk[] = {"\n\nFor list of avaiable commands type help"};
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HAL_UART_Transmit(&huart3, msgWelcome, sizeof(msgWelcome)-1, 0xFFFF);
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HAL_UART_Transmit(&huart3, msgTermVersion, sizeof(msgTermVersion)-1, 0xFFFF);
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HAL_UART_Transmit(&huart3, msgSwVerHeader, sizeof(msgSwVerHeader)-1, 0xFFFF);
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HAL_UART_Transmit(&huart3, msgSoftwareVersion, sizeof(msgSoftwareVersion)-1, 0xFFFF);
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HAL_UART_Transmit(&huart3, msgTalk, sizeof(msgTalk)-1, 0xFFFF);
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HAL_UART_Transmit(&huart3, &msgNL, sizeof(msgNL), 0xFFFF);
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HAL_UART_Transmit(&huart3, &msgNL, sizeof(msgNL), 0xFFFF);
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HAL_UART_Transmit(&huart3, msgBlank, sizeof(msgBlank)-1, 0xFFFF);
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}
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25
Terminal.h
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25
Terminal.h
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@ -0,0 +1,25 @@
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/*
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* Terminal.h
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*
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* Created on: Jul 13, 2021
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* Author: angoosh
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*/
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#ifndef INC_TERMINAL_H_
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#define INC_TERMINAL_H_
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//#include "main.h"
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#include <string.h>
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#include <stdio.h>
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#define LIB_VERSION "0.1"
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#define TERM_BUFFER_SIZE 255 //size of terminal buffer
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void PrintRxBuffer();
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void ReadBuffer();
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void TerminalInit();
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#endif /* INC_TERMINAL_H_ */
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