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//****************************************************************************
//
// HAL_UART.c - Hardware abstraction layer for UART with MSP432P401R
//
//****************************************************************************


#include <HAL_UART.h>
#include "driverlib.h"
#include <msp.h>

//GPRS
/* UART Configuration Parameter. These are the configuration parameters to
 * make the eUSCI A UART module to operate with a 115200 baud rate. These
 * values were calculated using the online calculator that TI provides
 * at:
 *http://software-dl.ti.com/msp430/msp430_public_sw/mcu/msp430/MSP430BaudRateConverter/index.html
 */



const eUSCI_UART_ConfigV1 uartConfig =
{
        EUSCI_A_UART_CLOCKSOURCE_SMCLK,          // SMCLK Clock Source
        78,                                     // BRDIV = 78
        2,                                       // UCxBRF = 2
        0,                                       // UCxBRS = 0
        EUSCI_A_UART_NO_PARITY,                  // No Parity
        EUSCI_A_UART_LSB_FIRST,                  // LSB First
        EUSCI_A_UART_ONE_STOP_BIT,               // One stop bit
        EUSCI_A_UART_MODE,                       // UART mode
        EUSCI_A_UART_OVERSAMPLING_BAUDRATE_GENERATION,  // Oversampling
        EUSCI_A_UART_8_BIT_LEN                  // 8 bit data length
};




/* Initializes Backchannel UART GPIO */
void UART_initGPIO()
{

    MAP_GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_P1,
            GPIO_PIN2 | GPIO_PIN3, GPIO_PRIMARY_MODULE_FUNCTION);


}


/***************************************************************************//**
 * @brief  Configures UART
 * @param  none
 * @return none
 ******************************************************************************/

void UART_init(void)
{


    CS_setDCOCenteredFrequency(CS_DCO_FREQUENCY_12);


    MAP_UART_initModule(EUSCI_A0_BASE, &uartConfig);
    /* Enable UART module */

    MAP_UART_enableModule(EUSCI_A0_BASE);


}


/* Transmits String over UART */
void UART_transmitString( char *pStr )
{
    while( *pStr )
    {
        // comented for testing
               MAP_UART_transmitData(EUSCI_A0_BASE, *pStr);
        pStr++;
    }
}



/* Transmits String over UART  Debug*/
void serialTx0( char *pStr )
{
    while( *pStr )
    {
        MAP_UART_transmitData(EUSCI_A0_BASE, *pStr );
        pStr++;
    }
}