Andrew Boyson
/
iot
Backing up an unused program in case of future need
esp.cpp@4:e076884ef8bd, 2016-05-03 (annotated)
- Committer:
- andrewboyson
- Date:
- Tue May 03 09:23:26 2016 +0000
- Revision:
- 4:e076884ef8bd
- Parent:
- 3:accba7e07a0d
- Child:
- 6:be97d38e0b01
Added 1-wire
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
andrewboyson | 0:09f915e6f9f6 | 1 | #include "mbed.h" |
andrewboyson | 2:06fa34661f19 | 2 | #include "log.h" |
andrewboyson | 2:06fa34661f19 | 3 | #include "esp.h" |
andrewboyson | 2:06fa34661f19 | 4 | #include "io.h" |
andrewboyson | 2:06fa34661f19 | 5 | #include "cfg.h" |
andrewboyson | 3:accba7e07a0d | 6 | #include "uart.h" |
andrewboyson | 0:09f915e6f9f6 | 7 | |
andrewboyson | 0:09f915e6f9f6 | 8 | #define RECV_TIMEOUT_MS 5000 |
andrewboyson | 0:09f915e6f9f6 | 9 | |
andrewboyson | 0:09f915e6f9f6 | 10 | //State |
andrewboyson | 0:09f915e6f9f6 | 11 | #define LINE_LENGTH 256 |
andrewboyson | 0:09f915e6f9f6 | 12 | #define IDLE 0 |
andrewboyson | 0:09f915e6f9f6 | 13 | #define IN_LINE 1 |
andrewboyson | 0:09f915e6f9f6 | 14 | #define IPD_WAIT_START 2 |
andrewboyson | 0:09f915e6f9f6 | 15 | #define IPD_READ 3 |
andrewboyson | 0:09f915e6f9f6 | 16 | #define SEND_DATA 4 |
andrewboyson | 0:09f915e6f9f6 | 17 | static int state; //Initialised in init |
andrewboyson | 0:09f915e6f9f6 | 18 | |
andrewboyson | 0:09f915e6f9f6 | 19 | //Solicited responses received |
andrewboyson | 0:09f915e6f9f6 | 20 | //============================ |
andrewboyson | 0:09f915e6f9f6 | 21 | #define LINE_LENGTH 256 |
andrewboyson | 0:09f915e6f9f6 | 22 | int EspLineAvailable; //Initialised in init; can be one of the values defined in esp.h |
andrewboyson | 0:09f915e6f9f6 | 23 | char EspLine[LINE_LENGTH]; |
andrewboyson | 2:06fa34661f19 | 24 | static char* pLineNext; //Initialised in init to EspLine |
andrewboyson | 2:06fa34661f19 | 25 | |
andrewboyson | 4:e076884ef8bd | 26 | static char* pRespBuff; |
andrewboyson | 4:e076884ef8bd | 27 | static int lenRespBuff; |
andrewboyson | 4:e076884ef8bd | 28 | static char* pRespNext; //Initialised at each request to send a string |
andrewboyson | 4:e076884ef8bd | 29 | |
andrewboyson | 2:06fa34661f19 | 30 | static int addRawCharToBuffer(char* pBuff, char** ppNext, int len, char c) |
andrewboyson | 0:09f915e6f9f6 | 31 | { |
andrewboyson | 2:06fa34661f19 | 32 | |
andrewboyson | 2:06fa34661f19 | 33 | // if *ppNext is at the last position in pBuff (pBuff+len-1) then we are full and should stop |
andrewboyson | 2:06fa34661f19 | 34 | if (*ppNext >= pBuff + len - 1) return -1; |
andrewboyson | 2:06fa34661f19 | 35 | |
andrewboyson | 2:06fa34661f19 | 36 | // Put the char into *ppNext and NUL into *ppNext + 1. |
andrewboyson | 2:06fa34661f19 | 37 | **ppNext = c; |
andrewboyson | 2:06fa34661f19 | 38 | ++*ppNext; |
andrewboyson | 2:06fa34661f19 | 39 | **ppNext = '\0'; |
andrewboyson | 2:06fa34661f19 | 40 | |
andrewboyson | 2:06fa34661f19 | 41 | return 0; |
andrewboyson | 2:06fa34661f19 | 42 | } |
andrewboyson | 2:06fa34661f19 | 43 | static int addCharToBuffer(char* pBuff, char** ppNext, int len, char c, int includeCrLf) |
andrewboyson | 2:06fa34661f19 | 44 | { |
andrewboyson | 2:06fa34661f19 | 45 | if (!pBuff) return -1; |
andrewboyson | 0:09f915e6f9f6 | 46 | switch (c) |
andrewboyson | 0:09f915e6f9f6 | 47 | { |
andrewboyson | 2:06fa34661f19 | 48 | case '\0': |
andrewboyson | 2:06fa34661f19 | 49 | if (addRawCharToBuffer(pBuff, ppNext, len, '\\')) return -1; |
andrewboyson | 2:06fa34661f19 | 50 | if (addRawCharToBuffer(pBuff, ppNext, len, '0' )) return -1; //This is the character zero '0' not NUL '\0' |
andrewboyson | 0:09f915e6f9f6 | 51 | break; |
andrewboyson | 0:09f915e6f9f6 | 52 | case '\r': |
andrewboyson | 0:09f915e6f9f6 | 53 | case '\n': |
andrewboyson | 2:06fa34661f19 | 54 | if (includeCrLf && addRawCharToBuffer(pBuff, ppNext, len, c)) return -1; |
andrewboyson | 0:09f915e6f9f6 | 55 | break; |
andrewboyson | 0:09f915e6f9f6 | 56 | default: |
andrewboyson | 2:06fa34661f19 | 57 | if (addRawCharToBuffer(pBuff, ppNext, len, c)) return -1; |
andrewboyson | 0:09f915e6f9f6 | 58 | break; |
andrewboyson | 0:09f915e6f9f6 | 59 | } |
andrewboyson | 0:09f915e6f9f6 | 60 | return 0; |
andrewboyson | 0:09f915e6f9f6 | 61 | } |
andrewboyson | 2:06fa34661f19 | 62 | static int addChar(char c) |
andrewboyson | 2:06fa34661f19 | 63 | { |
andrewboyson | 4:e076884ef8bd | 64 | int r = addCharToBuffer(EspLine, &pLineNext, LINE_LENGTH, c, false); |
andrewboyson | 4:e076884ef8bd | 65 | addCharToBuffer(pRespBuff, &pRespNext, lenRespBuff, c, true ); |
andrewboyson | 2:06fa34661f19 | 66 | return r; |
andrewboyson | 2:06fa34661f19 | 67 | } |
andrewboyson | 0:09f915e6f9f6 | 68 | //Unsolicited ntp or http requests |
andrewboyson | 0:09f915e6f9f6 | 69 | //================================ |
andrewboyson | 0:09f915e6f9f6 | 70 | void *EspIpdBuffer[4]; |
andrewboyson | 0:09f915e6f9f6 | 71 | int EspIpdBufferLen[4]; |
andrewboyson | 0:09f915e6f9f6 | 72 | int EspIpdReserved[4]; |
andrewboyson | 0:09f915e6f9f6 | 73 | int EspIpdLength; |
andrewboyson | 0:09f915e6f9f6 | 74 | int EspIpdId; |
andrewboyson | 0:09f915e6f9f6 | 75 | int EspDataAvailable; |
andrewboyson | 0:09f915e6f9f6 | 76 | |
andrewboyson | 0:09f915e6f9f6 | 77 | |
andrewboyson | 0:09f915e6f9f6 | 78 | //Stuff to send |
andrewboyson | 0:09f915e6f9f6 | 79 | //============= |
andrewboyson | 0:09f915e6f9f6 | 80 | int EspLengthToSend; |
andrewboyson | 0:09f915e6f9f6 | 81 | const void * EspDataToSend; |
andrewboyson | 0:09f915e6f9f6 | 82 | |
andrewboyson | 4:e076884ef8bd | 83 | void EspSendStringF(char* respbuff, int resplen, char *fmt, ...) |
andrewboyson | 0:09f915e6f9f6 | 84 | { |
andrewboyson | 0:09f915e6f9f6 | 85 | va_list argptr; |
andrewboyson | 0:09f915e6f9f6 | 86 | va_start(argptr, fmt); |
andrewboyson | 0:09f915e6f9f6 | 87 | int size = vsnprintf(NULL, 0, fmt, argptr); |
andrewboyson | 0:09f915e6f9f6 | 88 | char snd[size + 1]; |
andrewboyson | 0:09f915e6f9f6 | 89 | vsprintf(snd, fmt, argptr); |
andrewboyson | 0:09f915e6f9f6 | 90 | va_end(argptr); |
andrewboyson | 4:e076884ef8bd | 91 | EspSendString(respbuff, resplen, snd); |
andrewboyson | 0:09f915e6f9f6 | 92 | } |
andrewboyson | 4:e076884ef8bd | 93 | void EspSendString(char* respbuff, int resplen, char* p) |
andrewboyson | 0:09f915e6f9f6 | 94 | { |
andrewboyson | 3:accba7e07a0d | 95 | //Reset the response buffer |
andrewboyson | 4:e076884ef8bd | 96 | pRespBuff = respbuff; |
andrewboyson | 4:e076884ef8bd | 97 | pRespNext = respbuff; |
andrewboyson | 4:e076884ef8bd | 98 | lenRespBuff = resplen; |
andrewboyson | 4:e076884ef8bd | 99 | *pRespNext = '\0'; |
andrewboyson | 3:accba7e07a0d | 100 | |
andrewboyson | 3:accba7e07a0d | 101 | //Send the string |
andrewboyson | 3:accba7e07a0d | 102 | while(*p) UartSendPush(*p++); |
andrewboyson | 0:09f915e6f9f6 | 103 | } |
andrewboyson | 0:09f915e6f9f6 | 104 | void EspSendData(int length, const void * snd) |
andrewboyson | 0:09f915e6f9f6 | 105 | { |
andrewboyson | 0:09f915e6f9f6 | 106 | const char* p = (char*)snd; |
andrewboyson | 0:09f915e6f9f6 | 107 | const char* e = (char*)snd + length; |
andrewboyson | 3:accba7e07a0d | 108 | while (p < e) UartSendPush(*p++); |
andrewboyson | 0:09f915e6f9f6 | 109 | } |
andrewboyson | 0:09f915e6f9f6 | 110 | |
andrewboyson | 0:09f915e6f9f6 | 111 | |
andrewboyson | 0:09f915e6f9f6 | 112 | //Reset ESP8266 zone |
andrewboyson | 0:09f915e6f9f6 | 113 | #define RESET_TIME_MS 250 |
andrewboyson | 0:09f915e6f9f6 | 114 | static DigitalOut espRunOnHighResetOnLow(p26); |
andrewboyson | 0:09f915e6f9f6 | 115 | int reset; //Set to 1 by EspReset (and hence EspInit); set to 0 by EspReleasefromReset |
andrewboyson | 0:09f915e6f9f6 | 116 | void EspResetAndStop() |
andrewboyson | 0:09f915e6f9f6 | 117 | { |
andrewboyson | 0:09f915e6f9f6 | 118 | reset = true; |
andrewboyson | 3:accba7e07a0d | 119 | UartReset(); |
andrewboyson | 0:09f915e6f9f6 | 120 | pLineNext = EspLine; |
andrewboyson | 2:06fa34661f19 | 121 | *pLineNext = '\0'; |
andrewboyson | 4:e076884ef8bd | 122 | pRespBuff = NULL; |
andrewboyson | 4:e076884ef8bd | 123 | *pRespNext = NULL; |
andrewboyson | 4:e076884ef8bd | 124 | lenRespBuff = 0; |
andrewboyson | 0:09f915e6f9f6 | 125 | EspLengthToSend = 0; |
andrewboyson | 0:09f915e6f9f6 | 126 | EspDataToSend = NULL; |
andrewboyson | 0:09f915e6f9f6 | 127 | state = IDLE; |
andrewboyson | 0:09f915e6f9f6 | 128 | } |
andrewboyson | 0:09f915e6f9f6 | 129 | void EspReleaseFromReset(void) |
andrewboyson | 0:09f915e6f9f6 | 130 | { |
andrewboyson | 0:09f915e6f9f6 | 131 | reset = false; |
andrewboyson | 0:09f915e6f9f6 | 132 | } |
andrewboyson | 0:09f915e6f9f6 | 133 | void pulseResetPin() |
andrewboyson | 0:09f915e6f9f6 | 134 | { |
andrewboyson | 0:09f915e6f9f6 | 135 | static Timer resetTimer; |
andrewboyson | 0:09f915e6f9f6 | 136 | |
andrewboyson | 0:09f915e6f9f6 | 137 | if (reset) |
andrewboyson | 0:09f915e6f9f6 | 138 | { |
andrewboyson | 0:09f915e6f9f6 | 139 | resetTimer.stop(); |
andrewboyson | 0:09f915e6f9f6 | 140 | resetTimer.reset(); |
andrewboyson | 0:09f915e6f9f6 | 141 | espRunOnHighResetOnLow = 0; |
andrewboyson | 0:09f915e6f9f6 | 142 | } |
andrewboyson | 0:09f915e6f9f6 | 143 | else |
andrewboyson | 0:09f915e6f9f6 | 144 | { |
andrewboyson | 0:09f915e6f9f6 | 145 | resetTimer.start(); |
andrewboyson | 0:09f915e6f9f6 | 146 | if (resetTimer.read_ms() > RESET_TIME_MS) |
andrewboyson | 0:09f915e6f9f6 | 147 | { |
andrewboyson | 0:09f915e6f9f6 | 148 | resetTimer.stop(); |
andrewboyson | 0:09f915e6f9f6 | 149 | espRunOnHighResetOnLow = 1; |
andrewboyson | 0:09f915e6f9f6 | 150 | } |
andrewboyson | 0:09f915e6f9f6 | 151 | } |
andrewboyson | 0:09f915e6f9f6 | 152 | } |
andrewboyson | 0:09f915e6f9f6 | 153 | //General commands |
andrewboyson | 2:06fa34661f19 | 154 | int EspInit() |
andrewboyson | 0:09f915e6f9f6 | 155 | { |
andrewboyson | 0:09f915e6f9f6 | 156 | EspResetAndStop(); |
andrewboyson | 3:accba7e07a0d | 157 | UartBaud(CfgBaud); |
andrewboyson | 0:09f915e6f9f6 | 158 | for (int i = 0; i < 4; i++) |
andrewboyson | 0:09f915e6f9f6 | 159 | { |
andrewboyson | 0:09f915e6f9f6 | 160 | EspIpdBuffer[i] = NULL; |
andrewboyson | 0:09f915e6f9f6 | 161 | EspIpdBufferLen[i] = 0; |
andrewboyson | 0:09f915e6f9f6 | 162 | EspIpdReserved[i] = 0; |
andrewboyson | 0:09f915e6f9f6 | 163 | } |
andrewboyson | 2:06fa34661f19 | 164 | return 0; |
andrewboyson | 0:09f915e6f9f6 | 165 | } |
andrewboyson | 0:09f915e6f9f6 | 166 | |
andrewboyson | 0:09f915e6f9f6 | 167 | //Main loop zone |
andrewboyson | 0:09f915e6f9f6 | 168 | int handleCharacter(char c) |
andrewboyson | 0:09f915e6f9f6 | 169 | { |
andrewboyson | 0:09f915e6f9f6 | 170 | //Static variables. Initialised on first load. |
andrewboyson | 0:09f915e6f9f6 | 171 | static char ipdHeader[20]; |
andrewboyson | 0:09f915e6f9f6 | 172 | static char * pipdHeader; //Set to ipdHeader when a '+' is received |
andrewboyson | 0:09f915e6f9f6 | 173 | static int bytesRcvd; //Set to 0 when the ':' following the +IPD is received |
andrewboyson | 0:09f915e6f9f6 | 174 | static void * pData; //Set to EspIpdBuffer[EspIpdId] when the ':' following the +IPD is received |
andrewboyson | 0:09f915e6f9f6 | 175 | |
andrewboyson | 0:09f915e6f9f6 | 176 | switch(state) |
andrewboyson | 0:09f915e6f9f6 | 177 | { |
andrewboyson | 0:09f915e6f9f6 | 178 | case IDLE: |
andrewboyson | 0:09f915e6f9f6 | 179 | if (c == '+') |
andrewboyson | 0:09f915e6f9f6 | 180 | { |
andrewboyson | 0:09f915e6f9f6 | 181 | pipdHeader = ipdHeader; |
andrewboyson | 0:09f915e6f9f6 | 182 | *pipdHeader = 0; |
andrewboyson | 0:09f915e6f9f6 | 183 | state = IPD_WAIT_START; |
andrewboyson | 0:09f915e6f9f6 | 184 | } |
andrewboyson | 0:09f915e6f9f6 | 185 | else if (c == '>') |
andrewboyson | 0:09f915e6f9f6 | 186 | { |
andrewboyson | 0:09f915e6f9f6 | 187 | state = SEND_DATA; |
andrewboyson | 0:09f915e6f9f6 | 188 | } |
andrewboyson | 0:09f915e6f9f6 | 189 | else |
andrewboyson | 0:09f915e6f9f6 | 190 | { |
andrewboyson | 0:09f915e6f9f6 | 191 | pLineNext = EspLine; |
andrewboyson | 0:09f915e6f9f6 | 192 | *pLineNext = 0; |
andrewboyson | 2:06fa34661f19 | 193 | int r = addChar(c); |
andrewboyson | 0:09f915e6f9f6 | 194 | if (r) |
andrewboyson | 0:09f915e6f9f6 | 195 | { |
andrewboyson | 0:09f915e6f9f6 | 196 | EspLineAvailable = ESP_OVERFLOW; |
andrewboyson | 0:09f915e6f9f6 | 197 | state = IDLE; |
andrewboyson | 0:09f915e6f9f6 | 198 | } |
andrewboyson | 0:09f915e6f9f6 | 199 | else |
andrewboyson | 0:09f915e6f9f6 | 200 | { |
andrewboyson | 0:09f915e6f9f6 | 201 | state = IN_LINE; |
andrewboyson | 0:09f915e6f9f6 | 202 | } |
andrewboyson | 0:09f915e6f9f6 | 203 | } |
andrewboyson | 0:09f915e6f9f6 | 204 | break; |
andrewboyson | 0:09f915e6f9f6 | 205 | case IN_LINE: |
andrewboyson | 0:09f915e6f9f6 | 206 | if (c == '\n') |
andrewboyson | 0:09f915e6f9f6 | 207 | { |
andrewboyson | 0:09f915e6f9f6 | 208 | EspLineAvailable = ESP_AVAILABLE; |
andrewboyson | 0:09f915e6f9f6 | 209 | state = IDLE; |
andrewboyson | 0:09f915e6f9f6 | 210 | } |
andrewboyson | 0:09f915e6f9f6 | 211 | else |
andrewboyson | 0:09f915e6f9f6 | 212 | { |
andrewboyson | 2:06fa34661f19 | 213 | int r = addChar(c); |
andrewboyson | 0:09f915e6f9f6 | 214 | if (r) |
andrewboyson | 0:09f915e6f9f6 | 215 | { |
andrewboyson | 0:09f915e6f9f6 | 216 | EspLineAvailable = ESP_OVERFLOW; |
andrewboyson | 0:09f915e6f9f6 | 217 | state = IDLE; |
andrewboyson | 0:09f915e6f9f6 | 218 | } |
andrewboyson | 0:09f915e6f9f6 | 219 | } |
andrewboyson | 0:09f915e6f9f6 | 220 | break; |
andrewboyson | 0:09f915e6f9f6 | 221 | case IPD_WAIT_START: |
andrewboyson | 0:09f915e6f9f6 | 222 | if (pipdHeader == ipdHeader && c != 'I') //If the first character after the '+' is not 'I' then start a line instead |
andrewboyson | 0:09f915e6f9f6 | 223 | { |
andrewboyson | 0:09f915e6f9f6 | 224 | pLineNext = EspLine; |
andrewboyson | 2:06fa34661f19 | 225 | addChar('+'); |
andrewboyson | 2:06fa34661f19 | 226 | addChar(c); |
andrewboyson | 0:09f915e6f9f6 | 227 | state = IN_LINE; |
andrewboyson | 0:09f915e6f9f6 | 228 | } |
andrewboyson | 0:09f915e6f9f6 | 229 | else |
andrewboyson | 0:09f915e6f9f6 | 230 | { |
andrewboyson | 0:09f915e6f9f6 | 231 | *pipdHeader++ = c; |
andrewboyson | 0:09f915e6f9f6 | 232 | *pipdHeader = 0; |
andrewboyson | 0:09f915e6f9f6 | 233 | if (c == ':') |
andrewboyson | 0:09f915e6f9f6 | 234 | { |
andrewboyson | 0:09f915e6f9f6 | 235 | sscanf(ipdHeader, "IPD,%d,%d:", &EspIpdId, &EspIpdLength); |
andrewboyson | 0:09f915e6f9f6 | 236 | bytesRcvd = 0; |
andrewboyson | 0:09f915e6f9f6 | 237 | pData = EspIpdBuffer[EspIpdId]; |
andrewboyson | 0:09f915e6f9f6 | 238 | state = IPD_READ; |
andrewboyson | 0:09f915e6f9f6 | 239 | } |
andrewboyson | 0:09f915e6f9f6 | 240 | } |
andrewboyson | 0:09f915e6f9f6 | 241 | break; |
andrewboyson | 0:09f915e6f9f6 | 242 | case IPD_READ: |
andrewboyson | 0:09f915e6f9f6 | 243 | bytesRcvd++; |
andrewboyson | 0:09f915e6f9f6 | 244 | if (bytesRcvd <= EspIpdBufferLen[EspIpdId]) |
andrewboyson | 0:09f915e6f9f6 | 245 | { |
andrewboyson | 0:09f915e6f9f6 | 246 | *(char *)pData = c; |
andrewboyson | 0:09f915e6f9f6 | 247 | pData = (char *)pData + 1; |
andrewboyson | 0:09f915e6f9f6 | 248 | } |
andrewboyson | 0:09f915e6f9f6 | 249 | if (bytesRcvd == EspIpdLength) |
andrewboyson | 0:09f915e6f9f6 | 250 | { |
andrewboyson | 0:09f915e6f9f6 | 251 | if (bytesRcvd <= EspIpdBufferLen[EspIpdId]) EspDataAvailable = ESP_AVAILABLE; |
andrewboyson | 0:09f915e6f9f6 | 252 | else EspDataAvailable = ESP_OVERFLOW; |
andrewboyson | 0:09f915e6f9f6 | 253 | state = IDLE; |
andrewboyson | 0:09f915e6f9f6 | 254 | } |
andrewboyson | 0:09f915e6f9f6 | 255 | break; |
andrewboyson | 0:09f915e6f9f6 | 256 | case SEND_DATA: |
andrewboyson | 0:09f915e6f9f6 | 257 | EspSendData(EspLengthToSend, EspDataToSend); |
andrewboyson | 0:09f915e6f9f6 | 258 | state = IDLE; |
andrewboyson | 0:09f915e6f9f6 | 259 | break; |
andrewboyson | 0:09f915e6f9f6 | 260 | default: |
andrewboyson | 0:09f915e6f9f6 | 261 | LogF("Unknown state %d\n\r", state); |
andrewboyson | 0:09f915e6f9f6 | 262 | return -1; |
andrewboyson | 0:09f915e6f9f6 | 263 | } |
andrewboyson | 0:09f915e6f9f6 | 264 | return 0; |
andrewboyson | 0:09f915e6f9f6 | 265 | } |
andrewboyson | 0:09f915e6f9f6 | 266 | int isTimeout() |
andrewboyson | 0:09f915e6f9f6 | 267 | { |
andrewboyson | 0:09f915e6f9f6 | 268 | static Timer receiveTimer; |
andrewboyson | 0:09f915e6f9f6 | 269 | |
andrewboyson | 0:09f915e6f9f6 | 270 | if (state == IDLE) |
andrewboyson | 0:09f915e6f9f6 | 271 | { |
andrewboyson | 0:09f915e6f9f6 | 272 | receiveTimer.stop(); |
andrewboyson | 0:09f915e6f9f6 | 273 | receiveTimer.reset(); |
andrewboyson | 0:09f915e6f9f6 | 274 | } |
andrewboyson | 0:09f915e6f9f6 | 275 | else |
andrewboyson | 0:09f915e6f9f6 | 276 | { |
andrewboyson | 0:09f915e6f9f6 | 277 | receiveTimer.start(); |
andrewboyson | 0:09f915e6f9f6 | 278 | if (receiveTimer.read_ms() > RECV_TIMEOUT_MS) return true; |
andrewboyson | 0:09f915e6f9f6 | 279 | } |
andrewboyson | 0:09f915e6f9f6 | 280 | return false; |
andrewboyson | 0:09f915e6f9f6 | 281 | } |
andrewboyson | 0:09f915e6f9f6 | 282 | int EspMain() |
andrewboyson | 0:09f915e6f9f6 | 283 | { |
andrewboyson | 0:09f915e6f9f6 | 284 | |
andrewboyson | 0:09f915e6f9f6 | 285 | pulseResetPin(); |
andrewboyson | 0:09f915e6f9f6 | 286 | |
andrewboyson | 0:09f915e6f9f6 | 287 | //Reset line availability one shot |
andrewboyson | 0:09f915e6f9f6 | 288 | EspLineAvailable = ESP_IDLE; |
andrewboyson | 0:09f915e6f9f6 | 289 | EspDataAvailable = ESP_IDLE; |
andrewboyson | 0:09f915e6f9f6 | 290 | |
andrewboyson | 0:09f915e6f9f6 | 291 | if (isTimeout()) |
andrewboyson | 0:09f915e6f9f6 | 292 | { |
andrewboyson | 0:09f915e6f9f6 | 293 | if (state == IN_LINE) EspLineAvailable = ESP_TIMEOUT; |
andrewboyson | 0:09f915e6f9f6 | 294 | else EspDataAvailable = ESP_TIMEOUT; |
andrewboyson | 0:09f915e6f9f6 | 295 | state = IDLE; |
andrewboyson | 0:09f915e6f9f6 | 296 | return 0; |
andrewboyson | 0:09f915e6f9f6 | 297 | } |
andrewboyson | 0:09f915e6f9f6 | 298 | |
andrewboyson | 0:09f915e6f9f6 | 299 | //Handle any incoming characters |
andrewboyson | 3:accba7e07a0d | 300 | int c = UartRecvPull(); |
andrewboyson | 0:09f915e6f9f6 | 301 | if (c != EOF) |
andrewboyson | 0:09f915e6f9f6 | 302 | { |
andrewboyson | 0:09f915e6f9f6 | 303 | LogPush(c); |
andrewboyson | 0:09f915e6f9f6 | 304 | int r = handleCharacter(c); //This will set the EspAvailable one-shots |
andrewboyson | 0:09f915e6f9f6 | 305 | if (r) return -1; |
andrewboyson | 0:09f915e6f9f6 | 306 | } |
andrewboyson | 0:09f915e6f9f6 | 307 | |
andrewboyson | 0:09f915e6f9f6 | 308 | return 0; |
andrewboyson | 0:09f915e6f9f6 | 309 | } |
andrewboyson | 0:09f915e6f9f6 | 310 | |
andrewboyson | 0:09f915e6f9f6 | 311 | |
andrewboyson | 0:09f915e6f9f6 | 312 |