comm_interface.h

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#ifndef __COMM_INTERFACE__
#define __COMM_INTERFACE__
 
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#include <zpal_uart.h>
 
#define RECEIVE_BUFFER_SIZE     32
 
#define TRANSMIT_BUFFER_SIZE    180
 
typedef enum
{
  PARSE_IDLE,             
  PARSE_FRAME_RECEIVED,   
  PARSE_FRAME_SENT,       
  PARSE_FRAME_ERROR,      
  PARSE_RX_TIMEOUT,       
  PARSE_TX_TIMEOUT        
} comm_interface_parse_result_t;
 
typedef void * transport_handle_t;
 
typedef struct _transport_t
{
  transport_handle_t handle; 
} transport_t;
 
typedef void (*transmit_done_cb_t)(transport_handle_t transport);
 
typedef struct __attribute__((packed))
{
  uint8_t sof;                            
  uint8_t cmd;                            
  uint8_t len;                            
  uint8_t payload[TRANSMIT_BUFFER_SIZE];  
} comm_interface_command_t ;
 
typedef struct __attribute__((packed))
{
  uint8_t   sof_frame;                      
  uint8_t   type;                           
  uint16_t  timestamp;                      
  uint8_t   channel_and_speed;              
  uint8_t   region;                         
  uint8_t   rssi;                           
  uint16_t  start_of_data;                  
  uint8_t   len;                            
  uint8_t   payload[TRANSMIT_BUFFER_SIZE];  
} comm_interface_frame_t ;
 
typedef struct __attribute__((packed))
{
  uint8_t sof;                
  uint8_t type;               
  uint16_t timestamp;         
  uint8_t channel_and_speed;  
  uint8_t region;             
  uint8_t rssi;               
  uint8_t payload[4];         
} comm_interface_beam_start_frame_t;
 
typedef struct __attribute__((packed))
{
  uint8_t sof;                
  uint8_t type;               
  uint16_t timestamp;         
  uint8_t rssi;               
  uint16_t counter;           
} comm_interface_beam_stop_frame_t;
 
void comm_interface_transmit_command(uint8_t cmd, const uint8_t *payload, uint8_t len, transmit_done_cb_t cb);
 
void comm_interface_transmit_frame(uint16_t timestamp, uint8_t ch_and_speed, uint8_t region, int8_t rssi, const uint8_t *payload, uint8_t length, transmit_done_cb_t cb);
 
void comm_interface_transmit_beam_start(uint16_t timestamp, uint8_t ch_and_speed, uint8_t region, int8_t rssi, const uint8_t *payload, uint8_t length, transmit_done_cb_t cb);
 
void comm_interface_transmit_beam_stop(uint16_t timestamp, int8_t rssi, uint16_t counter, transmit_done_cb_t cb);
 
void comm_interface_wait_transmit_done(void);
 
void comm_interface_init(zpal_uart_id_t uart, void (*uart_rx_event_handler)());
 
comm_interface_parse_result_t comm_interface_parse_data(void);
 
comm_interface_command_t* comm_interface_get_command(void);
 
#endif /* __COMM_INTERFACE__ */