driver_apm2000.h

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#ifndef DRIVER_APM2000_H
#define DRIVER_APM2000_H
 
#include <stdio.h>
#include <stdint.h>
#include <string.h>
 
#ifdef __cplusplus
extern "C"{
#endif



typedef enum
{
    APM2000_INTERFACE_IIC  = 0x00,       
    APM2000_INTERFACE_UART = 0x01,       
} apm2000_interface_t;

typedef struct apm2000_handle_s
{
    uint8_t (*iic_init)(void);                                                                     
    uint8_t (*iic_deinit)(void);                                                                   
    uint8_t (*iic_read_address16)(uint8_t addr, uint16_t reg, uint8_t *buf, uint16_t len);         
    uint8_t (*iic_write_address16)(uint8_t addr, uint16_t reg, uint8_t *buf, uint16_t len);        
    uint8_t (*uart_init)(void);                                                                    
    uint8_t (*uart_deinit)(void);                                                                  
    uint16_t (*uart_read)(uint8_t *buf, uint16_t len);                                             
    uint8_t (*uart_flush)(void);                                                                   
    uint8_t (*uart_write)(uint8_t *buf, uint16_t len);                                             
    void (*delay_ms)(uint32_t ms);                                                                 
    void (*debug_print)(const char *const fmt, ...);                                               
    uint8_t inited;                                                                                
    uint8_t iic_uart;                                                                              
    uint8_t buf[255 + 5];                                                                          
} apm2000_handle_t;

typedef struct apm2000_pm_s
{
    uint16_t pm1p0_ug_m3;        
    uint16_t pm2p5_ug_m3;        
    uint16_t pm10_ug_m3;         
} apm2000_pm_t;

typedef struct apm2000_info_s
{
    char chip_name[32];                
    char manufacturer_name[32];        
    char interface[16];                
    float supply_voltage_min_v;        
    float supply_voltage_max_v;        
    float max_current_ma;              
    float temperature_min;             
    float temperature_max;             
    uint32_t driver_version;           
} apm2000_info_t;



#define DRIVER_APM2000_LINK_INIT(HANDLE, STRUCTURE)              memset(HANDLE, 0, sizeof(STRUCTURE))

#define DRIVER_APM2000_LINK_UART_INIT(HANDLE, FUC)              (HANDLE)->uart_init = FUC

#define DRIVER_APM2000_LINK_UART_DEINIT(HANDLE, FUC)            (HANDLE)->uart_deinit = FUC

#define DRIVER_APM2000_LINK_UART_READ(HANDLE, FUC)              (HANDLE)->uart_read = FUC

#define DRIVER_APM2000_LINK_UART_WRITE(HANDLE, FUC)             (HANDLE)->uart_write = FUC

#define DRIVER_APM2000_LINK_UART_FLUSH(HANDLE, FUC)             (HANDLE)->uart_flush = FUC

#define DRIVER_APM2000_LINK_IIC_INIT(HANDLE, FUC)               (HANDLE)->iic_init = FUC

#define DRIVER_APM2000_LINK_IIC_DEINIT(HANDLE, FUC)             (HANDLE)->iic_deinit = FUC

#define DRIVER_APM2000_LINK_IIC_WRITE_ADDRESS16(HANDLE, FUC)    (HANDLE)->iic_write_address16 = FUC

#define DRIVER_APM2000_LINK_IIC_READ_ADDRESS16(HANDLE, FUC)     (HANDLE)->iic_read_address16 = FUC

#define DRIVER_APM2000_LINK_DELAY_MS(HANDLE, FUC)               (HANDLE)->delay_ms = FUC

#define DRIVER_APM2000_LINK_DEBUG_PRINT(HANDLE, FUC)            (HANDLE)->debug_print = FUC



uint8_t apm2000_info(apm2000_info_t *info);

uint8_t apm2000_set_interface(apm2000_handle_t *handle, apm2000_interface_t interface);

uint8_t apm2000_get_interface(apm2000_handle_t *handle, apm2000_interface_t *interface);

uint8_t apm2000_init(apm2000_handle_t *handle);

uint8_t apm2000_deinit(apm2000_handle_t *handle);

uint8_t apm2000_read(apm2000_handle_t *handle, apm2000_pm_t *pm);

uint8_t apm2000_read_pm2p5(apm2000_handle_t *handle, uint16_t *pm2p5_ug_m3);

uint8_t apm2000_start_measurement(apm2000_handle_t *handle);

uint8_t apm2000_stop_measurement(apm2000_handle_t *handle);



uint8_t apm2000_set_reg_iic(apm2000_handle_t *handle, uint16_t reg, uint8_t *buf, uint16_t len);

uint8_t apm2000_get_reg_iic(apm2000_handle_t *handle, uint16_t reg, uint8_t *buf, uint16_t len);

uint8_t apm2000_set_get_reg_uart(apm2000_handle_t *handle, uint8_t *input, uint16_t in_len, uint8_t *output, uint16_t out_len);


 
#ifdef __cplusplus
}
#endif
 
#endif