driver_mcp3421_read_test.c

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#include "driver_mcp3421_read_test.h"
 
static mcp3421_handle_t gs_handle;        

uint8_t mcp3421_read_test(uint32_t times)
{
    uint8_t res;
    uint32_t i;
    mcp3421_info_t info;
    
    /* link interface function */
    DRIVER_MCP3421_LINK_INIT(&gs_handle, mcp3421_handle_t); 
    DRIVER_MCP3421_LINK_IIC_INIT(&gs_handle, mcp3421_interface_iic_init);
    DRIVER_MCP3421_LINK_IIC_DEINIT(&gs_handle, mcp3421_interface_iic_deinit);
    DRIVER_MCP3421_LINK_IIC_READ_COMMAND(&gs_handle, mcp3421_interface_iic_read_cmd);
    DRIVER_MCP3421_LINK_IIC_WRITE_COMMAND(&gs_handle, mcp3421_interface_iic_write_cmd);
    DRIVER_MCP3421_LINK_DELAY_MS(&gs_handle, mcp3421_interface_delay_ms);
    DRIVER_MCP3421_LINK_DEBUG_PRINT(&gs_handle, mcp3421_interface_debug_print);
    
    /* get information */
    res = mcp3421_info(&info);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: get info failed.\n");
        
        return 1;
    }
    else
    {
        /* print chip info */
        mcp3421_interface_debug_print("mcp3421: chip is %s.\n", info.chip_name);
        mcp3421_interface_debug_print("mcp3421: manufacturer is %s.\n", info.manufacturer_name);
        mcp3421_interface_debug_print("mcp3421: interface is %s.\n", info.interface);
        mcp3421_interface_debug_print("mcp3421: driver version is %d.%d.\n", info.driver_version / 1000, (info.driver_version % 1000) / 100);
        mcp3421_interface_debug_print("mcp3421: min supply voltage is %0.1fV.\n", info.supply_voltage_min_v);
        mcp3421_interface_debug_print("mcp3421: max supply voltage is %0.1fV.\n", info.supply_voltage_max_v);
        mcp3421_interface_debug_print("mcp3421: max current is %0.2fmA.\n", info.max_current_ma);
        mcp3421_interface_debug_print("mcp3421: max temperature is %0.1fC.\n", info.temperature_max);
        mcp3421_interface_debug_print("mcp3421: min temperature is %0.1fC.\n", info.temperature_min);
    }
    
    /* start read test */
    mcp3421_interface_debug_print("mcp3421: start read test.\n");
    
    /* mcp3421 init */
    res = mcp3421_init(&gs_handle);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: init failed.\n");
        
        return 1;
    }
    
    /* set pag 1 */
    res = mcp3421_set_pga(&gs_handle, MCP3421_PGA_1);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: set pga failed.\n");
        (void)mcp3421_deinit(&gs_handle);
        
        return 1;
    }
    
    /* set adc bit */
    res = mcp3421_set_adc_bit(&gs_handle, MCP3421_BIT_12);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: set adc bit failed.\n");
        (void)mcp3421_deinit(&gs_handle);
        
        return 1;
    }
    
    /* output */
    mcp3421_interface_debug_print("mcp3421: set adc 12bits.\n");
    
    for (i = 0; i < times; i++)
    {
        int32_t raw;
        double v;
        
        /* read once */
        res = mcp3421_single_read(&gs_handle, &raw, &v);
        if (res != 0)
        {
            mcp3421_interface_debug_print("mcp3421: single read failed.\n");
            (void)mcp3421_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        mcp3421_interface_debug_print("mcp3421: adc is %0.6fV.\n", v);
        
        /* delay 1000ms */
        mcp3421_interface_delay_ms(1000);
    }
    
    /* set adc bit */
    res = mcp3421_set_adc_bit(&gs_handle, MCP3421_BIT_14);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: set adc bit failed.\n");
        (void)mcp3421_deinit(&gs_handle);
        
        return 1;
    }
    
    /* output */
    mcp3421_interface_debug_print("mcp3421: set adc 14bits.\n");
    
    for (i = 0; i < times; i++)
    {
        int32_t raw;
        double v;
        
        /* read once */
        res = mcp3421_single_read(&gs_handle, &raw, &v);
        if (res != 0)
        {
            mcp3421_interface_debug_print("mcp3421: single read failed.\n");
            (void)mcp3421_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        mcp3421_interface_debug_print("mcp3421: adc is %0.6fV.\n", v);
        
        /* delay 1000ms */
        mcp3421_interface_delay_ms(1000);
    }
    
    /* set adc bit */
    res = mcp3421_set_adc_bit(&gs_handle, MCP3421_BIT_16);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: set adc bit failed.\n");
        (void)mcp3421_deinit(&gs_handle);
        
        return 1;
    }
    
    /* output */
    mcp3421_interface_debug_print("mcp3421: set adc 16bits.\n");
    
    for (i = 0; i < times; i++)
    {
        int32_t raw;
        double v;
        
        /* read once */
        res = mcp3421_single_read(&gs_handle, &raw, &v);
        if (res != 0)
        {
            mcp3421_interface_debug_print("mcp3421: single read failed.\n");
            (void)mcp3421_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        mcp3421_interface_debug_print("mcp3421: adc is %0.6fV.\n", v);
        
        /* delay 1000ms */
        mcp3421_interface_delay_ms(1000);
    }
    
    /* set adc bit */
    res = mcp3421_set_adc_bit(&gs_handle, MCP3421_BIT_18);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: set adc bit failed.\n");
        (void)mcp3421_deinit(&gs_handle);
        
        return 1;
    }
    
    /* output */
    mcp3421_interface_debug_print("mcp3421: set adc 18bits.\n");
    
    for (i = 0; i < times; i++)
    {
        int32_t raw;
        double v;
        
        /* read once */
        res = mcp3421_single_read(&gs_handle, &raw, &v);
        if (res != 0)
        {
            mcp3421_interface_debug_print("mcp3421: single read failed.\n");
            (void)mcp3421_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        mcp3421_interface_debug_print("mcp3421: adc is %0.6fV.\n", v);
        
        /* delay 1000ms */
        mcp3421_interface_delay_ms(1000);
    }
    
    /* set pga 2 */
    res = mcp3421_set_pga(&gs_handle, MCP3421_PGA_2);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: set pga failed.\n");
        (void)mcp3421_deinit(&gs_handle);
        
        return 1;
    }
    
    /* output */
    mcp3421_interface_debug_print("mcp3421: set pga 2.\n");
    
    for (i = 0; i < times; i++)
    {
        int32_t raw;
        double v;
        
        /* read once */
        res = mcp3421_single_read(&gs_handle, &raw, &v);
        if (res != 0)
        {
            mcp3421_interface_debug_print("mcp3421: single read failed.\n");
            (void)mcp3421_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        mcp3421_interface_debug_print("mcp3421: adc is %0.6fV.\n", v);
        
        /* delay 1000ms */
        mcp3421_interface_delay_ms(1000);
    }
    
    /* set pga 4 */
    res = mcp3421_set_pga(&gs_handle, MCP3421_PGA_4);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: set pga failed.\n");
        (void)mcp3421_deinit(&gs_handle);
        
        return 1;
    }
    
    /* output */
    mcp3421_interface_debug_print("mcp3421: set pga 4.\n");
    
    for (i = 0; i < times; i++)
    {
        int32_t raw;
        double v;
        
        /* read once */
        res = mcp3421_single_read(&gs_handle, &raw, &v);
        if (res != 0)
        {
            mcp3421_interface_debug_print("mcp3421: single read failed.\n");
            (void)mcp3421_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        mcp3421_interface_debug_print("mcp3421: adc is %0.6fV.\n", v);
        
        /* delay 1000ms */
        mcp3421_interface_delay_ms(1000);
    }
    
    /* set pga 8 */
    res = mcp3421_set_pga(&gs_handle, MCP3421_PGA_8);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: set pga failed.\n");
        (void)mcp3421_deinit(&gs_handle);
        
        return 1;
    }
    
    /* output */
    mcp3421_interface_debug_print("mcp3421: set pga 8.\n");
    
    for (i = 0; i < times; i++)
    {
        int32_t raw;
        double v;
        
        /* read once */
        res = mcp3421_single_read(&gs_handle, &raw, &v);
        if (res != 0)
        {
            mcp3421_interface_debug_print("mcp3421: single read failed.\n");
            (void)mcp3421_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        mcp3421_interface_debug_print("mcp3421: adc is %0.6fV.\n", v);
        
        /* delay 1000ms */
        mcp3421_interface_delay_ms(1000);
    }
    
    /* set pga 1 */
    res = mcp3421_set_pga(&gs_handle, MCP3421_PGA_1);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: set pga failed.\n");
        (void)mcp3421_deinit(&gs_handle);
        
        return 1;
    }
    
    /* output */
    mcp3421_interface_debug_print("mcp3421: continuous read test.\n");
    
    /* start continuous read */
    res = mcp3421_start_continuous_read(&gs_handle);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: start continuous read failed.\n");
        (void)mcp3421_deinit(&gs_handle);
        
        return 1;
    }
    
    /* delay 1000ms */
    mcp3421_interface_delay_ms(1000);
    
    for (i = 0; i < times; i++)
    {
        int32_t raw;
        double v;
        
        /* continuous read */
        res = mcp3421_continuous_read(&gs_handle, &raw, &v);
        if (res != 0)
        {
            mcp3421_interface_debug_print("mcp3421: single read failed.\n");
            (void)mcp3421_deinit(&gs_handle);
            
            return 1;
        }
        
        /* output */
        mcp3421_interface_debug_print("mcp3421: adc is %0.6fV.\n", v);
        
        /* delay 1000ms */
        mcp3421_interface_delay_ms(1000);
    }
    
    /* stop continuous read */
    res = mcp3421_stop_continuous_read(&gs_handle);
    if (res != 0)
    {
        mcp3421_interface_debug_print("mcp3421: stop continuous read failed.\n");
        (void)mcp3421_deinit(&gs_handle);
        
        return 1;
    }
    
    /* finish read test */
    mcp3421_interface_debug_print("mcp3421: finish read test.\n");
    (void)mcp3421_deinit(&gs_handle);
    
    return 0;
}