#if defined (__USE_LPCOPEN)
#if defined(NO_BOARD_LIB)
#include "chip.h"
#else
#include "board.h"
#endif
#endif

#include <cr_section_macros.h>
#include <stdint.h>
#include <stdbool.h>

#define I2C_FREQUENCY 100000  // I2C frequency
#define EEPROM_I2C_ADDRESS 0x50  // Example I2C address for EEPROM

volatile uint32_t msTicks; /* counts 1ms timeTicks */

void delay_ms(uint32_t ms) {
    volatile uint32_t i;
    for (i = 0; i < ms * 1000; i++) {
        __NOP(); // This is a dummy instruction for delaying
    }
}
void I2C_Init(void) {
    // Initialize I2C with the specified frequency
    Chip_I2C_Init(I2C0);
    Chip_I2C_SetClockRate(I2C0, I2C_FREQUENCY);
    Chip_I2C_SetMasterEventHandler(I2C0, Chip_I2C_EventHandlerPolling);
}

// Function to write data to I2C device
int I2C_Write(uint8_t slaveAddr, const uint8_t *data, int length) {
    // I2C transfer structure
    I2C_XFER_T xfer;
    xfer.slaveAddr = slaveAddr;
    xfer.txBuff = data;
    xfer.txSz = length;
    xfer.rxBuff = NULL;
    xfer.rxSz = 0;

    // Perform the I2C transfer
    return Chip_I2C_MasterTransfer(I2C0, &xfer);
}

// Function to read data from I2C device
int I2C_Read(uint8_t slaveAddr, uint8_t *buffer, int length) {
    // I2C transfer structure
    I2C_XFER_T xfer;
    xfer.slaveAddr = slaveAddr;
    xfer.txBuff = NULL;
    xfer.txSz = 0;
    xfer.rxBuff = buffer;
    xfer.rxSz = length;

    // Perform the I2C transfer
    return Chip_I2C_MasterTransfer(I2C0, &xfer);
}


int main(void) {
#if defined (__USE_LPCOPEN)
#if !defined(NO_BOARD_LIB)
    SystemCoreClockUpdate();
    Board_Init();
#endif
#endif
    I2C_Init();

     // Write a byte to EEPROM at address 0x10
     uint8_t writeData[2] = {0x10, 0xAA};  // Address and data
     int writeResult = I2C_Write(EEPROM_I2C_ADDRESS, writeData, 2);

     // Read back the data from the same address
     uint8_t readBuffer[1];
     int readResult = I2C_Read(EEPROM_I2C_ADDRESS, readBuffer, 1);

     if (writeResult == I2C_STATUS_DONE && readResult == I2C_STATUS_DONE && readBuffer[0] == 0xAA) {
         // Successfully wrote and read from the EEPROM
         while (1) {
             // Success, toggle an LED or perform some action
         	Board_UARTPutSTR("Successfully executed\r\n!");
         }
     } else {
         while (1) {
             // Error, indicate failure
         	Board_UARTPutSTR("ERROR!\r\n");

         }
     }

     return 0;

}