MZ_spi2_instance.c

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/*
 * MZ_spi1_instance.c
 *
 *  Created on: 20-Jul-2021
 *      Author: Mahendra
 */
#include <MZ_spi2_instance.h>
#include "MZ_public.h"
#include "MZ_spi.h"
 
static char rx_char = 0;
 
static void spi2_tx_intr(void * arg)
{
    st_spi_intr evt = * (st_spi_intr *)arg;
    (void)evt;
    // Transmission complete
}
 
static void spi2_rx_intr(void * arg)
{
    st_spi_intr evt = * (st_spi_intr *)arg;
    (void)evt;
 
    // 1 Byte Receive complete - Initiate another Byte receive
    (void)MZ_SPI_Receive_IT(MZ_SPI_INSTANCE, (uint8_t *)&rx_char, 1);
}
 
MZ_SPI_INIT_ST _instance =
{
        .Instance = MZ_SPI2_INSTANCE,
        .Init.Mode = MZ_SPI2_INIT_MODE,
        .Init.Direction = MZ_SPI2_INIT_DIRECTION,
        .Init.DataSize = MZ_SPI2_INIT_DATASIZE,
        .Init.CLKPolarity = MZ_SPI2_INIT_CLKPOLARITY,
        .Init.CLKPhase = MZ_SPI2_INIT_CLKPHASE,
        .Init.NSS = MZ_SPI2_INIT_NSS,
        .Init.BaudRatePrescaler = MZ_SPI2_INIT_BAUDRATEPRESCALER,
        .Init.FirstBit = MZ_SPI2_INIT_FIRSTBIT,
        .Init.TIMode = MZ_SPI2_INIT_TIMODE,
        .Init.CRCCalculation = MZ_SPI2_INIT_CRCCALCULATION,
        .Init.CRCPolynomial = MZ_SPI2_INIT_CRCPOLYNOMIAL,
        .Init.CRCLength = MZ_SPI2_INIT_CRCLENGTH,
        .Init.NSSPMode = MZ_SPI2_INIT_NSSPMODE
};
 
mz_error_t SPI2_init(void)
{
    mz_error_t _ret = MZ_FAIL;
 
    if(MZ_OK == MZ_SPI_register_intr_cb_tx(MZ_SPI_INSTANCE,spi2_tx_intr))
    {
        if(MZ_OK == MZ_SPI_register_intr_cb_rx(MZ_SPI_INSTANCE,spi2_rx_intr))
        {
            _ret = MZ_OK;
            // Initiate 1 Byte receive
            (void)MZ_SPI_Receive_IT(MZ_SPI_INSTANCE, (uint8_t *)&rx_char, 1);
        }
    }
 
    return _ret;
}