131 lines
2.5 KiB
C
131 lines
2.5 KiB
C
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/**
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*********************************************************************
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*
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* @file testmode.c
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* @brief
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*
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* @date 2024-04-14 13:31:47
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* @author CT
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*
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* @details Provides control of GPIO and communication bus's to evaluate board design
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* Commands available:
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* Enable/Disable PWR_HOLDUP output
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* Enable/Disable SD_PWR_EN output
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* Enable/Disable Radio_Wake output
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* Enable/Disable LED output
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* Enable/Disable RAM_CE output
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* Enable/Disable SD_CE output
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* Read BAT_V analog counts
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* Read temperature from SHT40
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* Read relative humidity from SHT40
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* Write arbitrary byte to external RAM
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* Read arbitrary address from external RAM
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*
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*************************************************************************
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**/
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#include <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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#include "data_table.h"
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#include "testmode.h"
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/*
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* Interface:
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* Command line style <COMMAND> <FLAGS> <ARGUMENTS>
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* COMMAND: single byte
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* FLAGS: dash then single byte space separated modifiers
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* ARGUMENTS: variable length additional data for specific command
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* Example: Set LED high
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* W -1 3
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*/
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/*
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* Command parser
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* Expects to be passed a single line stripped of EOL chars and null terminated
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*/
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void command_parser(char* input, uint32_t len)
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{
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uint32_t flags[8] = {0};
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uint32_t flag_index = 0;
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uint32_t args[64] = {0};
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uint32_t args_index = 0;
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bool next_is_flag = false;
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bool next_is_arg = false;
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if(0x00 == input[0])
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{
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return;
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}
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uint8_t command = input[0];
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for(uint32_t i = 1; i < len; i++)
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{
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if('-' == input[i])
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{
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next_is_flag = true;
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}
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else if(next_is_flag)
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{
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flags[flag_index++] = input[i];
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next_is_flag = false;
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}
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else if(' ' == input[i])
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{
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next_is_arg = true;
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}
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else if(next_is_arg)
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{
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args[args_index++] = input[i];
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next_is_arg = false;
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}
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}
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command_executor(command, flags, args);
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}
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/*
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* Executor
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* Takes the command, flags, and arguments and executes the command
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* Uses first flag and first arg only
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* TODO: expand to take multiple args
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*/
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void command_executor(uint8_t cmd, uint32_t* flags, uint32_t* args)
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{
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switch (cmd)
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{
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case TESTMODE_READ:
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// Read ignores flags
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switch (args[0])
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{
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case TESTMODE_PWR_HOLDEUP:
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report(app_get_pwr_holdup());
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break;
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default:
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break;
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}
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break;
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case TESTMODE_WRITE:
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break;
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default:
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break;
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}
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}
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/*
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Reports back the output of the last command
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*/
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void report(uint32_t val)
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{
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}
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