driver_cs1237_basic.c

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#include "driver_cs1237_basic.h"
 
static cs1237_handle_t gs_handle;        

uint8_t cs1237_basic_init(float reference_voltage_v, int32_t temperature_raw, float temperature_deg)
{
    uint8_t res;
    
    /* link interface function */
    DRIVER_CS1237_LINK_INIT(&gs_handle, cs1237_handle_t);
    DRIVER_CS1237_LINK_SCLK_GPIO_INIT(&gs_handle, cs1237_interface_sclk_gpio_init);
    DRIVER_CS1237_LINK_SCLK_GPIO_DEINIT(&gs_handle, cs1237_interface_sclk_gpio_deinit);
    DRIVER_CS1237_LINK_SCLK_GPIO_WRITE(&gs_handle, cs1237_interface_sclk_gpio_write);
    DRIVER_CS1237_LINK_DOUT_GPIO_INIT(&gs_handle, cs1237_interface_dout_gpio_init);
    DRIVER_CS1237_LINK_DOUT_GPIO_DEINIT(&gs_handle, cs1237_interface_dout_gpio_deinit);
    DRIVER_CS1237_LINK_DOUT_GPIO_WRITE(&gs_handle, cs1237_interface_dout_gpio_write);
    DRIVER_CS1237_LINK_DOUT_GPIO_READ(&gs_handle, cs1237_interface_dout_gpio_read);
    DRIVER_CS1237_LINK_DELAY_US(&gs_handle, cs1237_interface_delay_us);
    DRIVER_CS1237_LINK_DELAY_MS(&gs_handle, cs1237_interface_delay_ms);
    DRIVER_CS1237_LINK_DEBUG_PRINT(&gs_handle, cs1237_interface_debug_print);
    
    /* set reference voltage */
    res = cs1237_set_reference_voltage(&gs_handle, reference_voltage_v);
    if (res != 0)
    {
        cs1237_interface_debug_print("cs1237: set reference voltage failed.\n");
        (void)cs1237_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set temperature calibration point */
    res = cs1237_set_temperature_calibration_point(&gs_handle, temperature_raw, temperature_deg);
    if (res != 0)
    {
        cs1237_interface_debug_print("cs1237: set temperature calibration point failed.\n");
        (void)cs1237_deinit(&gs_handle);
        
        return 1;
    }
    
    /* cs1237 init */
    res = cs1237_init(&gs_handle);
    if (res != 0)
    {
        cs1237_interface_debug_print("cs1237: init failed.\n");
        
        return 1;
    }
    
    /* wake up */
    res = cs1237_wake_up(&gs_handle);
    if (res != 0)
    {
        cs1237_interface_debug_print("cs1237: wake up failed.\n");
        (void)cs1237_deinit(&gs_handle);
        
        return 1;
    }
    
    /* enable reference voltage output */
    res = cs1237_set_reference_voltage_output(&gs_handle, CS1237_BOOL_TRUE);
    if (res != 0)
    {
        cs1237_interface_debug_print("cs1237: set reference voltage output failed.\n");
        (void)cs1237_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default adc rate */
    res = cs1237_set_adc_rate(&gs_handle, CS1237_BASIC_DEFAULT_ADC_RATE);
    if (res != 0)
    {
        cs1237_interface_debug_print("cs1237: set adc rate failed.\n");
        (void)cs1237_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default channel */
    res = cs1237_set_channel(&gs_handle, CS1237_BASIC_DEFAULT_CHANNEL);
    if (res != 0)
    {
        cs1237_interface_debug_print("cs1237: set channel failed.\n");
        (void)cs1237_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default pga */
    res = cs1237_set_pga(&gs_handle, CS1237_BASIC_DEFAULT_PGA);
    if (res != 0)
    {
        cs1237_interface_debug_print("cs1237: set pga failed.\n");
        (void)cs1237_deinit(&gs_handle);
        
        return 1;
    }
    
    return 0;
}

uint8_t cs1237_basic_read(double *mv)
{
    uint8_t res;
    int32_t raw;
    
    /* read */
    res = cs1237_read(&gs_handle, &raw, mv);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t cs1237_basic_read_temperature(float *degrees)
{
    uint8_t res;
    int32_t raw;
    
    /* set channel temperature */
    res = cs1237_set_channel(&gs_handle, CS1237_CHANNEL_TEMPERATURE);
    if (res != 0)
    {
        cs1237_interface_debug_print("cs1237: set channel failed.\n");
        (void)cs1237_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set pga 1 */
    res = cs1237_set_pga(&gs_handle, CS1237_PGA_1);
    if (res != 0)
    {
        cs1237_interface_debug_print("cs1237: set pga failed.\n");
        (void)cs1237_deinit(&gs_handle);
        
        return 1;
    }
    
    /* read */
    res = cs1237_read_temperature(&gs_handle, &raw, degrees);
    if (res != 0)
    {
        return 1;
    }
    
    /* set default channel */
    res = cs1237_set_channel(&gs_handle, CS1237_BASIC_DEFAULT_CHANNEL);
    if (res != 0)
    {
        cs1237_interface_debug_print("cs1237: set channel failed.\n");
        (void)cs1237_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set default pga */
    res = cs1237_set_pga(&gs_handle, CS1237_BASIC_DEFAULT_PGA);
    if (res != 0)
    {
        cs1237_interface_debug_print("cs1237: set pga failed.\n");
        (void)cs1237_deinit(&gs_handle);
        
        return 1;
    }
    
    return 0;
}

uint8_t cs1237_basic_deinit(void)
{
    uint8_t res;
    
    /* deinit cs1237 */
    res = cs1237_deinit(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t cs1237_basic_wake_up(void)
{
    uint8_t res;
    
    /* wake up */
    res = cs1237_wake_up(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t cs1237_basic_power_down(void)
{
    uint8_t res;
    
    /* power down */
    res = cs1237_power_down(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}