ESR-2025/GUIComm_JSON.c

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 *    notice, this list of conditions and the following disclaimer.
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 * *  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
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 *    its contributors may be used to endorse or promote products derived
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//*****************************************************************************
//         GUI Communication Layer
//
// API to communicate with GUI using JSON protocol
// Texas Instruments, Inc.**

#include <msp430.h>
#include <stdbool.h>
#include <stdint.h>
#include <HAL.h>
#include <GUI_JSON.h>
#include <include/GUIComm.h>

static void itoa(int32_t value, char* result);

static const char cmdTemplate[] = "{\"\":}\n";
static char cATXString[20];

//These values are used to concatenate the command and data to the command template
// when using the GUIComm_send functions
#define CMD_INDEX 1
#define DATA_INDEX 3
#define CMD_TEMPLATE_LENGTH 6
#define BASE 10


//! \brief Converts a number into a string
//!
//! \return none
void itoa(int32_t value, char* result)
{
    char* ptr = result, *ptr1 = result, tmp_char;
    uint32_t tmp_value;

    tmp_value = labs(value);
    do {
    *ptr++ = "0123456789" [tmp_value%BASE];
    tmp_value /= BASE;
    } while (tmp_value);

    // Apply negative sign
    if (value < 0) *ptr++ = '-';
    *ptr-- = '\0';
    while(ptr1 < ptr) {
    tmp_char = *ptr;
    *ptr--= *ptr1;
    *ptr1++ = tmp_char;
    }
}

int GUIComm_sendUInt(char *cmd,  uint8_t cmdLength, uint32_t val)
{
    uint8_t i;

    for (i = 0; i < CMD_TEMPLATE_LENGTH; i++)
    {
        HAL_GUI_TransmitCharBlocking(cmdTemplate[i]);
        if (i == CMD_INDEX)
        {
            GUI_TransmitStringBlocking(cmd);
        }
        else if (i == DATA_INDEX)
        {
            itoa(val, cATXString);
            GUI_TransmitStringBlocking(cATXString);
        }
    }

    return 0;
}

int GUIComm_sendInt(char *cmd, uint8_t cmdLength, uint32_t val)
{
    uint8_t i;

    for (i = 0; i < CMD_TEMPLATE_LENGTH; i++)
    {
        HAL_GUI_TransmitCharBlocking(cmdTemplate[i]);
        if (i == CMD_INDEX)
        {
            GUI_TransmitStringBlocking(cmd);
        }
        else if (i == DATA_INDEX)
        {
            itoa(val, cATXString);
            GUI_TransmitStringBlocking(cATXString);
        }
    }

    return 0;
}

int GUIComm_sendUInt8(char *cmd, uint8_t cmdLength, uint8_t val)
{
    uint8_t i;

    for (i = 0; i < CMD_TEMPLATE_LENGTH; i++)
    {
        HAL_GUI_TransmitCharBlocking(cmdTemplate[i]);
        if (i == CMD_INDEX)
        {
            GUI_TransmitStringBlocking(cmd);
        }
        else if (i == DATA_INDEX)
        {

            itoa(val, cATXString);
            GUI_TransmitStringBlocking(cATXString);
        }
    }

    return 0;
}

int GUIComm_sendInt8(char *cmd, uint8_t cmdLength, int8_t val)
{
    uint8_t i;

    for (i = 0; i < CMD_TEMPLATE_LENGTH; i++)
    {
        HAL_GUI_TransmitCharBlocking(cmdTemplate[i]);
        if (i == CMD_INDEX)
        {
            GUI_TransmitStringBlocking(cmd);
        }
        else if (i == DATA_INDEX)
        {
            itoa(val, cATXString);
            GUI_TransmitStringBlocking(cATXString);
        }
    }

    return 0;
}

int GUIComm_sendInt16(char *cmd, uint8_t cmdLength, int16_t val)
{
    uint8_t i;

    for (i = 0; i < CMD_TEMPLATE_LENGTH; i++)
    {
        HAL_GUI_TransmitCharBlocking(cmdTemplate[i]);
        if (i == CMD_INDEX)
        {
            GUI_TransmitStringBlocking(cmd);
        }
        else if (i == DATA_INDEX)
        {
            itoa(val, cATXString);
            GUI_TransmitStringBlocking(cATXString);
        }
    }

    return 0;
}

int GUIComm_sendUInt16(char *cmd, uint8_t cmdLength, uint16_t val)
{
    uint8_t i;

    for (i = 0; i < CMD_TEMPLATE_LENGTH; i++)
    {
        HAL_GUI_TransmitCharBlocking(cmdTemplate[i]);
        if (i == CMD_INDEX)
        {
            GUI_TransmitStringBlocking(cmd);
        }
        else if (i == DATA_INDEX)
        {
            itoa(val, cATXString);
            GUI_TransmitStringBlocking(cATXString);
        }
    }

    return 0;
}

int GUIComm_sendUInt32(char *cmd, uint8_t cmdLength, uint32_t val)
{
    uint8_t i;

    for (i = 0; i < CMD_TEMPLATE_LENGTH; i++)
    {
        HAL_GUI_TransmitCharBlocking(cmdTemplate[i]);
        if (i == CMD_INDEX)
        {
            GUI_TransmitStringBlocking(cmd);
        }
        else if (i == DATA_INDEX)
        {
            itoa(val, cATXString);
            GUI_TransmitStringBlocking(cATXString);
        }
    }

    return 0;
}

int GUIComm_sendInt32(char *cmd, uint8_t cmdLength, int32_t val)
{
    uint8_t i;

    for (i = 0; i < CMD_TEMPLATE_LENGTH; i++)
    {
        HAL_GUI_TransmitCharBlocking(cmdTemplate[i]);
        if (i == CMD_INDEX)
        {
            GUI_TransmitStringBlocking(cmd);
        }
        else if (i == DATA_INDEX)
        {
            itoa(val, cATXString);
            GUI_TransmitStringBlocking(cATXString);
        }
    }

    return 0;
}

int GUIComm_sendBool(char *cmd, uint8_t cmdLength, bool val)
{
    uint16_t i;

    for (i = 0; i < CMD_TEMPLATE_LENGTH; i++)
    {
        HAL_GUI_TransmitCharBlocking(cmdTemplate[i]);
        if (i == CMD_INDEX)
        {
            GUI_TransmitStringBlocking(cmd);
        }
        else if (i == DATA_INDEX)
        {
            if (val == true)
            {
                GUI_TransmitStringBlocking("true");
            }
            else
            {
                GUI_TransmitStringBlocking("false");
            }
        }
    }

    return 0;
}