driver_apm2000_basic.c

Go to the documentation of this file.

 
#include "driver_apm2000_basic.h"
 
static apm2000_handle_t gs_handle;        

uint8_t apm2000_basic_init(apm2000_interface_t interface)
{
    uint8_t res;
    
    /* link functions */
    DRIVER_APM2000_LINK_INIT(&gs_handle, apm2000_handle_t);
    DRIVER_APM2000_LINK_UART_INIT(&gs_handle, apm2000_interface_uart_init);
    DRIVER_APM2000_LINK_UART_DEINIT(&gs_handle, apm2000_interface_uart_deinit);
    DRIVER_APM2000_LINK_UART_READ(&gs_handle, apm2000_interface_uart_read);
    DRIVER_APM2000_LINK_UART_WRITE(&gs_handle, apm2000_interface_uart_write);
    DRIVER_APM2000_LINK_UART_FLUSH(&gs_handle, apm2000_interface_uart_flush);
    DRIVER_APM2000_LINK_IIC_INIT(&gs_handle, apm2000_interface_iic_init);
    DRIVER_APM2000_LINK_IIC_DEINIT(&gs_handle, apm2000_interface_iic_deinit);
    DRIVER_APM2000_LINK_IIC_WRITE_ADDRESS16(&gs_handle, apm2000_interface_iic_write_address16);
    DRIVER_APM2000_LINK_IIC_READ_ADDRESS16(&gs_handle, apm2000_interface_iic_read_address16);
    DRIVER_APM2000_LINK_DELAY_MS(&gs_handle, apm2000_interface_delay_ms);
    DRIVER_APM2000_LINK_DEBUG_PRINT(&gs_handle, apm2000_interface_debug_print);
    
    /* set the interface */
    res = apm2000_set_interface(&gs_handle, interface);
    if (res != 0)
    {
        apm2000_interface_debug_print("apm2000: set interface failed.\n");
    
        return 1;
    }
    
    /* init the chip */
    res = apm2000_init(&gs_handle);
    if (res != 0)
    {
        apm2000_interface_debug_print("apm2000: init failed.\n");
    
        return 1;
    }
    
    if (interface == APM2000_INTERFACE_IIC)
    {
        /* start measurement */
        res = apm2000_start_measurement(&gs_handle);
        if (res != 0)
        {
            apm2000_interface_debug_print("apm2000: start measurement failed.\n");
            (void)apm2000_deinit(&gs_handle);
            
            return 1;
        }
    }
 
    return 0;
}

uint8_t apm2000_basic_deinit(void)
{
    uint8_t res;
    apm2000_interface_t interface;
    
    /* get interface */
    res = apm2000_get_interface(&gs_handle, &interface);
    if (res != 0)
    {
        return 1;
    }
    
    if (interface == APM2000_INTERFACE_IIC)
    {
        /* stop measurement */
        res = apm2000_stop_measurement(&gs_handle);
        if (res != 0)
        {
            return 1;
        }
    }
    
    /* deinit */
    res = apm2000_deinit(&gs_handle);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}

uint8_t apm2000_basic_read(apm2000_pm_t *pm)
{
    uint8_t res;
    
    /* read data */
    res = apm2000_read(&gs_handle, pm);
    if (res != 0)
    {
        return 1;
    }
    
    return 0;
}