dose.h

Go to the documentation of this file.

/*
 * Copyright (C) 2019 Juergen Fitschen <me@jue.yt>
 *
 * This file is subject to the terms and conditions of the GNU Lesser General
 * Public License v2.1. See the file LICENSE in the top level directory for more
 * details.
 */
 
#ifndef DOSE_H
#define DOSE_H
 
#include "periph/uart.h"
#include "periph/gpio.h"
#include "net/netdev.h"
#include "net/ethernet.h"
#include "net/eui48.h"
#include "bitarithm.h"
#include "mutex.h"
#include "xtimer.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define DOSE_OCTET_END  (0xFF)     
#define DOSE_OCTET_ESC  (0xFE)     
typedef enum {
    DOSE_STATE_INIT    = 0x00,     
    DOSE_STATE_BLOCKED = 0x01,     
    DOSE_STATE_IDLE    = 0x02,     
    DOSE_STATE_RECV    = 0x03,     
    DOSE_STATE_SEND    = 0x04,     
    DOSE_STATE_ANY     = 0x0F      
} dose_state_t;
 
 
typedef enum {
    DOSE_SIGNAL_NONE   = 0x00,    
    DOSE_SIGNAL_INIT   = 0x10,    
    DOSE_SIGNAL_GPIO   = 0x20,    
    DOSE_SIGNAL_UART   = 0x30,    
    DOSE_SIGNAL_XTIMER = 0x40,    
    DOSE_SIGNAL_SEND   = 0x50,    
    DOSE_SIGNAL_END    = 0x60     
} dose_signal_t;
 
 
 
#define DOSE_FLAG_RECV_BUF_DIRTY (BIT0)     
#define DOSE_FLAG_END_RECEIVED   (BIT1)     
#define DOSE_FLAG_ESC_RECEIVED   (BIT2)     
#define DOSE_OPT_PROMISCUOUS     (BIT0)     
#ifndef CONFIG_DOSE_TIMEOUT_USEC
#define CONFIG_DOSE_TIMEOUT_USEC        (5000)
#endif
 
#define DOSE_FRAME_CRC_LEN          (2)     
#define DOSE_FRAME_LEN (ETHERNET_FRAME_LEN + DOSE_FRAME_CRC_LEN) 
typedef struct {
    netdev_t netdev;                        
    eui48_t mac_addr;                       
    uint8_t opts;                           
    dose_state_t state;                     
    mutex_t state_mtx;                      
    uint8_t flags;                          
    uint8_t recv_buf[DOSE_FRAME_LEN];       
    size_t recv_buf_ptr;                    
    uart_t uart;                            
    uint8_t uart_octet;                     
    gpio_t sense_pin;                       
    xtimer_t timeout;                       
    uint32_t timeout_base;                  
} dose_t;
 
typedef struct {
    uart_t uart;                            
    gpio_t sense_pin;                       
    uint32_t baudrate;                      
} dose_params_t;
 
void dose_setup(dose_t *dev, const dose_params_t *params, uint8_t index);
 
#ifdef __cplusplus
}
#endif
#endif /* DOSE_H */