main.c

/*******************************************************************************
 * License: TBD
 ******************************************************************************/

/***** Includes *****/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include "mxc_config.h"
#include "led.h"
#include "board.h"
#include "tmr_utils.h"
#include "i2c.h"
#include "rtc.h"
#include "spi.h"
#include "MAX30003.h"
#include "GUI_DEV/GUI_Paint.h"
#include "pmic.h"
#include "card10.h"
#include <stdbool.h>

/***** Definitions *****/

/***** Globals *****/
static bool ecg_switch;
static bool internal_pull;


/***** Functions *****/
static uint32_t ecg_read_reg(uint8_t reg)
{
    spi_req_t req;
    uint8_t tx_data[] = {(reg << 1) | 1, 0, 0, 0};
    uint8_t rx_data[] = {0, 0, 0, 0};
    req.tx_data = tx_data;
    req.rx_data = rx_data;
    req.len = 4;
    req.bits = 8;
    req.width = SPI17Y_WIDTH_1;
    req.ssel = 0;
    req.deass = 1;
    req.ssel_pol = SPI17Y_POL_LOW;
    req.tx_num = 0;
    req.rx_num = 0;

    SPI_MasterTrans(SPI0, &req);

    return (rx_data[1] << 16) | (rx_data[2] << 8) | rx_data[3];
}

static void ecg_write_reg(uint8_t reg, uint32_t data)
{
    printf("write %02x %06x\n", reg, data);
    spi_req_t req;
    uint8_t tx_data[] = {(reg << 1) | 0 , data >> 16, (data >> 8 ) & 0xFF, data & 0xFF};
    uint8_t rx_data[] = {0, 0, 0, 0};
    req.tx_data = tx_data;
    req.rx_data = rx_data;
    req.len = 4;
    req.bits = 8;
    req.width = SPI17Y_WIDTH_1;
    req.ssel = 0;
    req.deass = 1;
    req.ssel_pol = SPI17Y_POL_LOW;
    req.tx_num = 0;
    req.rx_num = 0;

    SPI_MasterTrans(SPI0, &req);
}