card10.c 5.26 KB
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#include "pmic.h"
#include "bosch.h"
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#include "display.h"
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#include "bhy_uc_driver.h"
#include "Bosch_PCB_7183_di03_BMI160_BMM150-7183_di03.2.1.11696_170103.h"
#include "bme680.h"
#include "bma400.h"
#include "bhy.h"
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#include "leds.h"
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#include "mxc_config.h"
#include "board.h"

#include "tmr_utils.h"
#include "i2c.h"
#include "rtc.h"
#include "spi.h"
#include "gpio.h"

#include <stdio.h>
#include <stdint.h>
#include <string.h>

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#define SPI_SPEED       (15 * 1000 * 1000 * 1)  // Bit Rate. Display has 15 MHz limit
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const gpio_cfg_t bhi_interrupt_pin = {PORT_0, PIN_13, GPIO_FUNC_IN, GPIO_PAD_PULL_UP};

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void card10_init(void)
{
    printf("card10 init...\n");

    //Setup the I2CM
    I2C_Shutdown(MXC_I2C0_BUS0);
    I2C_Init(MXC_I2C0_BUS0, I2C_FAST_MODE, NULL);

    I2C_Shutdown(MXC_I2C1_BUS0);
    I2C_Init(MXC_I2C1_BUS0, I2C_FAST_MODE, NULL);

    pmic_init();
    pmic_set_led(0, 0);
    pmic_set_led(1, 0);
    pmic_set_led(2, 0);
    TMR_Delay(MXC_TMR0, MSEC(1000), 0);

    // Enable 32 kHz output
    RTC_SquareWave(MXC_RTC, SQUARE_WAVE_ENABLED, F_32KHZ, NOISE_IMMUNE_MODE, NULL);

    // Enable SPI
    sys_cfg_spi_t spi17y_master_cfg;

    spi17y_master_cfg.map = MAP_A;
    spi17y_master_cfg.ss0 = Enable;
    spi17y_master_cfg.ss1 = Disable;
    spi17y_master_cfg.ss2 = Disable;

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    if (SPI_Init(SPI0, 0, SPI_SPEED, spi17y_master_cfg) != 0) {
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        printf("Error configuring SPI\n");
        while (1);
    }

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    if (SPI_Init(SPI2, 0, SPI_SPEED, spi17y_master_cfg) != 0) {
        printf("Error configuring SPI\n");
        while (1);
    }


    display_init();
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    leds_init();
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    GPIO_Config(&bhi_interrupt_pin);

    if(bhy_driver_init(bhy1_fw)) {
        printf("Failed to init bhy\n");
    } else {
        /* wait for the bhy trigger the interrupt pin go down and up again */
        while (GPIO_InGet(&bhi_interrupt_pin));
        while (!GPIO_InGet(&bhi_interrupt_pin));

        /* the remapping matrix for BHI and Magmetometer should be configured here to make sure rotation vector is */
        /* calculated in a correct coordinates system. */
        int8_t                     bhy_mapping_matrix_config[3*3] = {0,-1,0,1,0,0,0,0,1};
        int8_t                     mag_mapping_matrix_config[3*3] = {-1,0,0,0,1,0,0,0,-1};
        bhy_mapping_matrix_set(PHYSICAL_SENSOR_INDEX_ACC, bhy_mapping_matrix_config);
        bhy_mapping_matrix_set(PHYSICAL_SENSOR_INDEX_MAG, mag_mapping_matrix_config);
        bhy_mapping_matrix_set(PHYSICAL_SENSOR_INDEX_GYRO, bhy_mapping_matrix_config);

        /* the sic matrix should be calculated for customer platform by logging uncalibrated magnetometer data. */
        /* the sic matrix here is only an example array (identity matrix). Customer should generate their own matrix. */
        /* This affects magnetometer fusion performance. */
        float sic_array[9] = {1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 1.0};
        bhy_set_sic_matrix(sic_array);
    }
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}

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];
}

void card10_diag(void)
{
    uint8_t dummy[1] = {0};
    // "7-bit addresses 0b0000xxx and 0b1111xxx are reserved"
    for (int addr = 0x8; addr < 0x78; ++addr) {
        // A 0 byte write does not seem to work so always send a single byte.
        int res = I2C_MasterWrite(MXC_I2C0_BUS0, addr << 1, dummy, 1, 0);
        if(res == 1) {
            printf("Found (7 bit) address 0x%02x on I2C0\n", addr);
        }

        res = I2C_MasterWrite(MXC_I2C1_BUS0, addr << 1, dummy, 1, 0);
        if(res == 1) {
            printf("Found (7 bit) address 0x%02x on I2C1\n", addr);
        }
    }


    struct bme680_dev gas_sensor;
    gas_sensor.dev_id = BME680_I2C_ADDR_PRIMARY;
    gas_sensor.intf = BME680_I2C_INTF;
    gas_sensor.read = card10_bosch_i2c_read;
    gas_sensor.write = card10_bosch_i2c_write;
    gas_sensor.delay_ms = card10_bosch_delay;
    gas_sensor.amb_temp = 25;

    int8_t rslt = BME680_OK;
    rslt = bme680_init(&gas_sensor);
    if(rslt != BME680_OK) {
        printf("Failed to init BME680\n");
    }

    struct bma400_dev bma;
    bma.intf_ptr = NULL; /* To attach your interface device reference */
    bma.delay_ms = card10_bosch_delay;
    bma.dev_id = BMA400_I2C_ADDRESS_SDO_LOW;
    bma.read = card10_bosch_i2c_read_ex;
    bma.write = card10_bosch_i2c_write_ex;
    bma.intf = BMA400_I2C_INTF;

    rslt = bma400_init(&bma);
    if (rslt == BMA400_OK) {
        printf("BMA400 found with chip ID 0x%X\r\n", bma.chip_id);
    }

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#if 0
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    for(int i=0; i<0x20; i++) {
        uint32_t val = ecg_read_reg(i);
        printf("ECG: %02x: 0x%06x\n", i, val);
    }
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#else
    uint32_t val = ecg_read_reg(0xf);
    printf("ECG: %02x: 0x%06x (should be 0x5139a0)\n", 0xf, val);
#endif

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}
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void core1_start(void) {
    //MXC_GCR->gp0 = (uint32_t)(&__isr_vector_core1);
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    MXC_GCR->gp0 = 0x10080000;
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    MXC_GCR->perckcn1 &= ~MXC_F_GCR_PERCKCN1_CPU1;
}

void core1_stop(void) {
    MXC_GCR->perckcn1 |= MXC_F_GCR_PERCKCN1_CPU1;
}