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1 | /**
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2 | * \file
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3 | * ESP8266 bridge arduino library
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4 | * \author
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5 | * Tuan PM <tuanpm@live.com>
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6 | */
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7 | #ifndef _ARDUINO_WIFI_H_
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8 | #define _ARDUINO_WIFI_H_
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9 | #include <stdint.h>
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10 | //#include <HardwareSerial.h>
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11 | #include <Arduino.h>
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12 | #include "FP.h"
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13 | #include "crc16.h"
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14 | #include "ringbuf.h"
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15 |
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16 | #define ESP_TIMEOUT 2000
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17 |
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18 | #define SLIP_START 0x7E
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19 | #define SLIP_END 0x7F
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20 | #define SLIP_REPL 0x7D
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21 | #define SLIP_ESC(x) (x ^ 0x20)
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22 |
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23 | typedef enum
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24 | {
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25 | CMD_NULL = 0,
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26 | CMD_RESET,
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27 | CMD_IS_READY,
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28 | CMD_WIFI_CONNECT,
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29 | CMD_MQTT_SETUP,
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30 | CMD_MQTT_CONNECT,
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31 | CMD_MQTT_DISCONNECT,
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32 | CMD_MQTT_PUBLISH,
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33 | CMD_MQTT_SUBSCRIBE,
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34 | CMD_MQTT_LWT,
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35 | CMD_MQTT_EVENTS,
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36 | CMD_REST_SETUP,
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37 | CMD_REST_REQUEST,
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38 | CMD_REST_SETHEADER,
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39 | CMD_REST_EVENTS
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40 | }CMD_NAME;
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41 |
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42 | enum WIFI_STATUS{
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43 | STATION_IDLE = 0,
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44 | STATION_CONNECTING,
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45 | STATION_WRONG_PASSWORD,
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46 | STATION_NO_AP_FOUND,
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47 | STATION_CONNECT_FAIL,
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48 | STATION_GOT_IP
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49 | };
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50 |
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51 | typedef struct{
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52 | uint8_t *buf;
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53 | uint16_t bufSize;
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54 | uint16_t dataLen;
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55 | uint8_t isEsc;
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56 | uint8_t isBegin;
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57 | }PROTO;
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58 |
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59 | typedef struct __attribute((__packed__)) {
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60 | uint16_t len;
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61 | uint8_t data;
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62 | } ARGS;
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63 |
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64 | typedef struct __attribute((__packed__)) {
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65 | uint16_t cmd;
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66 | uint32_t callback;
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67 | uint32_t _return;
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68 | uint16_t argc;
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69 | ARGS args;
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70 | }PACKET_CMD;
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71 |
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72 | class ESP;
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73 | class RESPONSE;
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74 | class MQTT;
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75 |
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76 | class RESPONSE {
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77 | private:
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78 | uint16_t arg_num;
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79 | uint8_t *arg_ptr;
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80 | PACKET_CMD* cmd;
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81 | public:
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82 | RESPONSE(void *response);
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83 | uint16_t getArgc();
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84 | int32_t popArgs(uint8_t *data, uint16_t maxLen);
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85 | uint16_t argLen();
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86 | String popString();
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87 | void popString(String* data);
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88 | };
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89 |
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90 |
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91 | class ESP
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92 | {
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93 | public:
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94 | //ESP(Stream *serial, Stream* debug, int chip_pd);
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95 | ESP(Stream *serial); //ok
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96 | Stream *_debug;
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97 |
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98 | FP<void, void*> wifiCb;
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99 | uint32_t return_value;
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100 | uint16_t return_cmd;
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101 | boolean is_return;
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102 |
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103 | void wifiConnect(const char* ssid, const char* password);
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104 | void process();
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105 | uint16_t request(uint16_t cmd, uint32_t callback, uint32_t _return, uint16_t argc);
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106 | uint16_t request(uint16_t crc_in, uint8_t* data, uint16_t len);
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107 | uint16_t request(uint16_t crc);
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108 | void reset();
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109 | boolean ready();
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110 | void enable();
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111 | void disable();
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112 | boolean waitReturn(uint32_t timeout);
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113 | boolean waitReturn();
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114 |
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115 | private:
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116 | Stream *_serial;
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117 |
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118 | boolean _debugEn;
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119 | PROTO _proto;
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120 | uint8_t _protoBuf[512];
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121 | int _chip_pd;
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122 |
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123 |
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124 | void init();
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125 | void INFO(String info);
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126 | void protoCompletedCb(void);
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127 | void write(uint8_t data);
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128 | void write(uint8_t* data, uint16_t len);
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129 | };
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130 | #endif
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