iotexpresslink2.h

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/****************************************************************************
** Copyright (C) 2020 MikroElektronika d.o.o.
** Contact: https://www.mikroe.com/contact
**
** Permission is hereby granted, free of charge, to any person obtaining a copy
** of this software and associated documentation files (the "Software"), to deal
** in the Software without restriction, including without limitation the rights
** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
** copies of the Software, and to permit persons to whom the Software is
** furnished to do so, subject to the following conditions:
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
** OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
** DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
** OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
**  USE OR OTHER DEALINGS IN THE SOFTWARE.
****************************************************************************/
 
#ifndef IOTEXPRESSLINK2_H
#define IOTEXPRESSLINK2_H
 
#ifdef __cplusplus
extern "C"{
#endif
 
#ifdef PREINIT_SUPPORTED
#include "preinit.h"
#endif
 
#ifdef MikroCCoreVersion
    #if MikroCCoreVersion >= 1
        #include "delays.h"
    #endif
#endif
 
#include "drv_digital_out.h"
#include "drv_digital_in.h"
#include "drv_uart.h"
 
#define IOTEXPRESSLINK2_CMD_AT                      "AT"
#define IOTEXPRESSLINK2_CMD_CONNECT                 "AT+CONNECT"
#define IOTEXPRESSLINK2_CMD_CONNECT_CHECK           "AT+CONNECT?"
#define IOTEXPRESSLINK2_CMD_DISCONNECT              "AT+DISCONNECT"
#define IOTEXPRESSLINK2_CMD_SLEEP                   "AT+SLEEP"
#define IOTEXPRESSLINK2_CMD_CONFMODE                "AT+CONFMODE"
#define IOTEXPRESSLINK2_CMD_RESET                   "AT+RESET"
#define IOTEXPRESSLINK2_CMD_FACTORY_RESET           "AT+FACTORY_RESET"
#define IOTEXPRESSLINK2_CMD_SEND                    "AT+SEND"
#define IOTEXPRESSLINK2_CMD_GET                     "AT+GET"
#define IOTEXPRESSLINK2_CMD_SUBSCRIBE               "AT+SUBSCRIBE"
#define IOTEXPRESSLINK2_CMD_UNSUBSCRIBE             "AT+UNSUBSCRIBE"
#define IOTEXPRESSLINK2_CMD_CONF                    "AT+CONF"
#define IOTEXPRESSLINK2_CMD_CONF_CHECK              "AT+CONF?"
#define IOTEXPRESSLINK2_CMD_EVENT                   "AT+EVENT?"
#define IOTEXPRESSLINK2_CMD_TIME                    "AT+TIME"
#define IOTEXPRESSLINK2_CMD_WHERE                   "AT+WHERE"
#define IOTEXPRESSLINK2_CMD_SEPARATOR               " "
#define IOTEXPRESSLINK2_CMD_SIGN_EQUAL              "="
 
#define IOTEXPRESSLINK2_CONF_KEY_ABOUT              "About"
#define IOTEXPRESSLINK2_CONF_KEY_VERSION            "Version"
#define IOTEXPRESSLINK2_CONF_KEY_TECH_SPEC          "TechSpec"
#define IOTEXPRESSLINK2_CONF_KEY_THING_NAME         "ThingName"
#define IOTEXPRESSLINK2_CONF_KEY_CERTIFICATE        "Certificate"
#define IOTEXPRESSLINK2_CONF_KEY_CERTIFICATE_PEM    "Certificate pem"
#define IOTEXPRESSLINK2_CONF_KEY_CUSTOM_NAME        "CustomName"
#define IOTEXPRESSLINK2_CONF_KEY_ENDPOINT           "Endpoint"
#define IOTEXPRESSLINK2_CONF_KEY_ROOT_CA            "RootCA"
#define IOTEXPRESSLINK2_CONF_KEY_DEFENDER           "Defender"
#define IOTEXPRESSLINK2_CONF_KEY_HOTA_CERTIFICATE   "HOTAcertificate"
#define IOTEXPRESSLINK2_CONF_KEY_OTA_CERTIFICATE    "OTAcertificate"
#define IOTEXPRESSLINK2_CONF_KEY_APN                "APN"
#define IOTEXPRESSLINK2_CONF_KEY_QOS                "QOS"
#define IOTEXPRESSLINK2_CONF_KEY_TOPIC              "Topic"
 
#define IOTEXPRESSLINK2_RSP_OK                      "OK"
#define IOTEXPRESSLINK2_RSP_ERR                     "ERR"
 
#define IOTEXPRESSLINK2_EVENT_TIMEOUT               10000ul
#define IOTEXPRESSLINK2_CONNECT_TIMEOUT             1000000ul
#define IOTEXPRESSLINK2_NORMAL_TIMEOUT              5000ul
 
#define IOTEXPRESSLINK2_POWER_ON_DELAY              15
#define IOTEXPRESSLINK2_EMERGENCY_SD_DELAY          25
#define IOTEXPRESSLINK2_EMERGENCY_SD_RETRY          5
 
#define IOTEXPRESSLINK2_TX_DRV_BUFFER_SIZE          200
#define IOTEXPRESSLINK2_RX_DRV_BUFFER_SIZE          900
 
 // iotexpresslink2_cmd
 
#define IOTEXPRESSLINK2_MAP_MIKROBUS( cfg, mikrobus ) \
    cfg.tx_pin = MIKROBUS( mikrobus, MIKROBUS_TX ); \
    cfg.rx_pin = MIKROBUS( mikrobus, MIKROBUS_RX ); \
    cfg.pwr = MIKROBUS( mikrobus, MIKROBUS_AN ); \
    cfg.rst = MIKROBUS( mikrobus, MIKROBUS_RST ); \
    cfg.wake = MIKROBUS( mikrobus, MIKROBUS_PWM ); \
    cfg.event = MIKROBUS( mikrobus, MIKROBUS_INT );
 
 // iotexpresslink2_map
 // iotexpresslink2
 
typedef struct
{
    // Output pins
    digital_out_t pwr;              
    digital_out_t rst;              
    // Input pins
    digital_in_t wake;              
    digital_in_t event;             
    // Modules
    uart_t uart;                    
    // Buffers
    uint8_t uart_rx_buffer[ IOTEXPRESSLINK2_RX_DRV_BUFFER_SIZE ];  
    uint8_t uart_tx_buffer[ IOTEXPRESSLINK2_TX_DRV_BUFFER_SIZE ];  
} iotexpresslink2_t;
 
typedef struct
{
    // Communication gpio pins
    pin_name_t rx_pin;              
    pin_name_t tx_pin;              
    // Additional gpio pins
    pin_name_t pwr;                 
    pin_name_t rst;                 
    pin_name_t wake;                
    pin_name_t event;               
    // Static variable
    uint32_t         baud_rate;     
    bool             uart_blocking; 
    uart_data_bits_t data_bit;      
    uart_parity_t    parity_bit;    
    uart_stop_bits_t stop_bit;      
} iotexpresslink2_cfg_t;
 
typedef enum
{
    IOTEXPRESSLINK2_OK = 0,
    IOTEXPRESSLINK2_ERROR = -1,
    IOTEXPRESSLINK2_ERROR_TIMEOUT = -2,
    IOTEXPRESSLINK2_ERROR_CMD = -3
 
} iotexpresslink2_return_value_t;
 
void iotexpresslink2_cfg_setup ( iotexpresslink2_cfg_t *cfg );
 
err_t iotexpresslink2_init ( iotexpresslink2_t *ctx, iotexpresslink2_cfg_t *cfg );
 
err_t iotexpresslink2_generic_write ( iotexpresslink2_t *ctx, uint8_t *data_in, uint16_t len );
 
err_t iotexpresslink2_generic_read ( iotexpresslink2_t *ctx, uint8_t *data_out, uint16_t len );
 
void iotexpresslink2_send_cmd ( iotexpresslink2_t *ctx, uint8_t *cmd );
 
void iotexpresslink2_set_pwr_pin ( iotexpresslink2_t *ctx, uint8_t state );
 
void iotexpresslink2_set_rst_pin ( iotexpresslink2_t *ctx, uint8_t state );
 
uint8_t iotexpresslink2_get_wake_pin ( iotexpresslink2_t *ctx );
 
uint8_t iotexpresslink2_get_event_pin ( iotexpresslink2_t *ctx );
 
void iotexpresslink2_power_on ( iotexpresslink2_t *ctx );
 
void iotexpresslink2_reset_device ( iotexpresslink2_t *ctx );
 
#ifdef __cplusplus
}
#endif
#endif // IOTEXPRESSLINK2_H
 
 // iotexpresslink2
 
// ------------------------------------------------------------------------ END