Fork with SeeedStudio Xadow GPS v2 enabled
Dependencies: FXOS8700CQ MODSERIAL XadowGPS mbed
Fork of Avnet_ATT_Cellular_IOT by
cell_modem.cpp@64:09004cd610df, 2016-08-01 (annotated)
- Committer:
- stefanrousseau
- Date:
- Mon Aug 01 23:32:55 2016 +0000
- Revision:
- 64:09004cd610df
- Parent:
- 63:90d7c69993cd
- Child:
- 68:6e311c747045
Replaced all printf's with PRINTF=pc.printf; moved to latest mbed library
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
stefanrousseau | 61:f6b93129f954 | 1 | #include "mbed.h" |
stefanrousseau | 61:f6b93129f954 | 2 | #include <cctype> |
stefanrousseau | 61:f6b93129f954 | 3 | #include <string> |
stefanrousseau | 61:f6b93129f954 | 4 | |
stefanrousseau | 61:f6b93129f954 | 5 | #include "config_me.h" |
stefanrousseau | 61:f6b93129f954 | 6 | #include "wnc_control.h" |
stefanrousseau | 61:f6b93129f954 | 7 | #include "hardware.h" |
stefanrousseau | 61:f6b93129f954 | 8 | |
stefanrousseau | 61:f6b93129f954 | 9 | #define MDM_DBG_OFF 0 |
stefanrousseau | 61:f6b93129f954 | 10 | #define MDM_DBG_AT_CMDS (1 << 0) |
stefanrousseau | 61:f6b93129f954 | 11 | int mdm_dbgmask = MDM_DBG_OFF; |
stefanrousseau | 61:f6b93129f954 | 12 | |
stefanrousseau | 61:f6b93129f954 | 13 | #define WNC_WAIT_FOR_AT_CMD_MS 40 |
stefanrousseau | 61:f6b93129f954 | 14 | |
stefanrousseau | 61:f6b93129f954 | 15 | DigitalOut mdm_uart2_rx_boot_mode_sel(PTC17); // on powerup, 0 = boot mode, 1 = normal boot |
stefanrousseau | 61:f6b93129f954 | 16 | DigitalOut mdm_power_on(PTB9); // 0 = turn modem on, 1 = turn modem off (should be held high for >5 seconds to cycle modem) |
stefanrousseau | 61:f6b93129f954 | 17 | DigitalOut mdm_wakeup_in(PTC2); // 0 = let modem sleep, 1 = keep modem awake -- Note: pulled high on shield |
stefanrousseau | 61:f6b93129f954 | 18 | |
stefanrousseau | 61:f6b93129f954 | 19 | DigitalOut mdm_reset(PTC12); // active high |
stefanrousseau | 61:f6b93129f954 | 20 | |
stefanrousseau | 61:f6b93129f954 | 21 | DigitalOut shield_3v3_1v8_sig_trans_ena(PTC4); // 0 = disabled (all signals high impedence, 1 = translation active |
stefanrousseau | 61:f6b93129f954 | 22 | DigitalOut mdm_uart1_cts(PTD0); |
stefanrousseau | 61:f6b93129f954 | 23 | |
stefanrousseau | 61:f6b93129f954 | 24 | #define TOUPPER(a) (a) //toupper(a) |
stefanrousseau | 61:f6b93129f954 | 25 | |
stefanrousseau | 61:f6b93129f954 | 26 | const char ok_str[] = "OK"; |
stefanrousseau | 61:f6b93129f954 | 27 | const char error_str[] = "ERROR"; |
stefanrousseau | 61:f6b93129f954 | 28 | |
stefanrousseau | 61:f6b93129f954 | 29 | #define MDM_OK 0 |
stefanrousseau | 61:f6b93129f954 | 30 | #define MDM_ERR_TIMEOUT -1 |
stefanrousseau | 61:f6b93129f954 | 31 | |
stefanrousseau | 61:f6b93129f954 | 32 | #define MAX_AT_RSP_LEN 255 |
stefanrousseau | 61:f6b93129f954 | 33 | |
stefanrousseau | 61:f6b93129f954 | 34 | ssize_t mdm_getline(char *buff, size_t size, int timeout_ms) { |
stefanrousseau | 61:f6b93129f954 | 35 | int cin = -1; |
stefanrousseau | 61:f6b93129f954 | 36 | int cin_last; |
stefanrousseau | 61:f6b93129f954 | 37 | |
stefanrousseau | 61:f6b93129f954 | 38 | if (NULL == buff || size == 0) { |
stefanrousseau | 61:f6b93129f954 | 39 | return -1; |
stefanrousseau | 61:f6b93129f954 | 40 | } |
stefanrousseau | 61:f6b93129f954 | 41 | |
stefanrousseau | 61:f6b93129f954 | 42 | size_t len = 0; |
stefanrousseau | 61:f6b93129f954 | 43 | Timer timer; |
stefanrousseau | 61:f6b93129f954 | 44 | timer.start(); |
stefanrousseau | 61:f6b93129f954 | 45 | while ((len < (size-1)) && (timer.read_ms() < timeout_ms)) { |
stefanrousseau | 61:f6b93129f954 | 46 | if (mdm.readable()) { |
stefanrousseau | 61:f6b93129f954 | 47 | cin_last = cin; |
stefanrousseau | 61:f6b93129f954 | 48 | cin = mdm.getc(); |
stefanrousseau | 61:f6b93129f954 | 49 | if (isprint(cin)) { |
stefanrousseau | 61:f6b93129f954 | 50 | buff[len++] = (char)cin; |
stefanrousseau | 61:f6b93129f954 | 51 | continue; |
stefanrousseau | 61:f6b93129f954 | 52 | } else if (('\r' == cin_last) && ('\n' == cin)) { |
stefanrousseau | 61:f6b93129f954 | 53 | break; |
stefanrousseau | 61:f6b93129f954 | 54 | } |
stefanrousseau | 61:f6b93129f954 | 55 | } |
stefanrousseau | 61:f6b93129f954 | 56 | // wait_ms(1); |
stefanrousseau | 61:f6b93129f954 | 57 | } |
stefanrousseau | 61:f6b93129f954 | 58 | buff[len] = (char)NULL; |
stefanrousseau | 61:f6b93129f954 | 59 | |
stefanrousseau | 61:f6b93129f954 | 60 | return len; |
stefanrousseau | 61:f6b93129f954 | 61 | } |
stefanrousseau | 61:f6b93129f954 | 62 | |
stefanrousseau | 61:f6b93129f954 | 63 | int mdm_sendAtCmd(const char *cmd, const char **rsp_list, int timeout_ms) { |
stefanrousseau | 61:f6b93129f954 | 64 | // Per WNC wait: |
stefanrousseau | 61:f6b93129f954 | 65 | wait_ms(WNC_WAIT_FOR_AT_CMD_MS); |
stefanrousseau | 61:f6b93129f954 | 66 | |
stefanrousseau | 61:f6b93129f954 | 67 | if (cmd && strlen(cmd) > 0) { |
stefanrousseau | 61:f6b93129f954 | 68 | if (mdm_dbgmask & MDM_DBG_AT_CMDS) { |
stefanrousseau | 64:09004cd610df | 69 | PRINTF(MAG "ATCMD: " DEF "--> " GRN "%s" DEF "\n", cmd); |
stefanrousseau | 61:f6b93129f954 | 70 | } |
stefanrousseau | 61:f6b93129f954 | 71 | mdm.puts(cmd); |
stefanrousseau | 61:f6b93129f954 | 72 | mdm.puts("\r\n"); |
stefanrousseau | 61:f6b93129f954 | 73 | } |
stefanrousseau | 61:f6b93129f954 | 74 | |
stefanrousseau | 61:f6b93129f954 | 75 | if (rsp_list) { |
stefanrousseau | 61:f6b93129f954 | 76 | Timer timer; |
stefanrousseau | 61:f6b93129f954 | 77 | char rsp[MAX_AT_RSP_LEN+1]; |
stefanrousseau | 61:f6b93129f954 | 78 | int len; |
stefanrousseau | 61:f6b93129f954 | 79 | |
stefanrousseau | 61:f6b93129f954 | 80 | timer.start(); |
stefanrousseau | 61:f6b93129f954 | 81 | while (timer.read_ms() < timeout_ms) { |
stefanrousseau | 61:f6b93129f954 | 82 | len = mdm_getline(rsp, sizeof(rsp), timeout_ms - timer.read_ms()); |
stefanrousseau | 61:f6b93129f954 | 83 | |
stefanrousseau | 61:f6b93129f954 | 84 | if (len < 0) |
stefanrousseau | 61:f6b93129f954 | 85 | return MDM_ERR_TIMEOUT; |
stefanrousseau | 61:f6b93129f954 | 86 | |
stefanrousseau | 61:f6b93129f954 | 87 | if (len == 0) |
stefanrousseau | 61:f6b93129f954 | 88 | continue; |
stefanrousseau | 61:f6b93129f954 | 89 | |
stefanrousseau | 61:f6b93129f954 | 90 | if (mdm_dbgmask & MDM_DBG_AT_CMDS) { |
stefanrousseau | 64:09004cd610df | 91 | PRINTF(MAG "ATRSP: " DEF "<-- " CYN "%s" DEF "\n", rsp); |
stefanrousseau | 61:f6b93129f954 | 92 | } |
stefanrousseau | 61:f6b93129f954 | 93 | |
stefanrousseau | 61:f6b93129f954 | 94 | if (rsp_list) { |
stefanrousseau | 61:f6b93129f954 | 95 | int rsp_idx = 0; |
stefanrousseau | 61:f6b93129f954 | 96 | while (rsp_list[rsp_idx]) { |
stefanrousseau | 61:f6b93129f954 | 97 | if (strcasecmp(rsp, rsp_list[rsp_idx]) == 0) { |
stefanrousseau | 61:f6b93129f954 | 98 | return rsp_idx; |
stefanrousseau | 61:f6b93129f954 | 99 | } |
stefanrousseau | 61:f6b93129f954 | 100 | rsp_idx++; |
stefanrousseau | 61:f6b93129f954 | 101 | } |
stefanrousseau | 61:f6b93129f954 | 102 | } |
stefanrousseau | 61:f6b93129f954 | 103 | } |
stefanrousseau | 61:f6b93129f954 | 104 | return MDM_ERR_TIMEOUT; |
stefanrousseau | 61:f6b93129f954 | 105 | } |
stefanrousseau | 61:f6b93129f954 | 106 | return MDM_OK; |
stefanrousseau | 61:f6b93129f954 | 107 | } |
stefanrousseau | 61:f6b93129f954 | 108 | |
stefanrousseau | 61:f6b93129f954 | 109 | int mdm_init(void) { |
stefanrousseau | 61:f6b93129f954 | 110 | // Hard reset the modem (doesn't go through |
stefanrousseau | 61:f6b93129f954 | 111 | // the signal level translator) |
stefanrousseau | 61:f6b93129f954 | 112 | mdm_reset = 0; |
stefanrousseau | 61:f6b93129f954 | 113 | |
stefanrousseau | 61:f6b93129f954 | 114 | // disable signal level translator (necessary |
stefanrousseau | 61:f6b93129f954 | 115 | // for the modem to boot properly). All signals |
stefanrousseau | 61:f6b93129f954 | 116 | // except mdm_reset go through the level translator |
stefanrousseau | 61:f6b93129f954 | 117 | // and have internal pull-up/down in the module. While |
stefanrousseau | 61:f6b93129f954 | 118 | // the level translator is disabled, these pins will |
stefanrousseau | 61:f6b93129f954 | 119 | // be in the correct state. |
stefanrousseau | 61:f6b93129f954 | 120 | shield_3v3_1v8_sig_trans_ena = 0; |
stefanrousseau | 61:f6b93129f954 | 121 | |
stefanrousseau | 61:f6b93129f954 | 122 | // While the level translator is disabled and ouptut pins |
stefanrousseau | 61:f6b93129f954 | 123 | // are tristated, make sure the inputs are in the same state |
stefanrousseau | 61:f6b93129f954 | 124 | // as the WNC Module pins so that when the level translator is |
stefanrousseau | 61:f6b93129f954 | 125 | // enabled, there are no differences. |
stefanrousseau | 61:f6b93129f954 | 126 | mdm_uart2_rx_boot_mode_sel = 1; // UART2_RX should be high |
stefanrousseau | 61:f6b93129f954 | 127 | mdm_power_on = 0; // powr_on should be low |
stefanrousseau | 61:f6b93129f954 | 128 | mdm_wakeup_in = 1; // wake-up should be high |
stefanrousseau | 61:f6b93129f954 | 129 | mdm_uart1_cts = 0; // indicate that it is ok to send |
stefanrousseau | 61:f6b93129f954 | 130 | |
stefanrousseau | 61:f6b93129f954 | 131 | // Now, wait for the WNC Module to perform its initial boot correctly |
stefanrousseau | 61:f6b93129f954 | 132 | wait(1.0); |
stefanrousseau | 61:f6b93129f954 | 133 | |
stefanrousseau | 61:f6b93129f954 | 134 | // The WNC module initializes comms at 115200 8N1 so set it up |
stefanrousseau | 61:f6b93129f954 | 135 | mdm.baud(115200); |
stefanrousseau | 61:f6b93129f954 | 136 | |
stefanrousseau | 61:f6b93129f954 | 137 | //Now, enable the level translator, the input pins should now be the |
stefanrousseau | 61:f6b93129f954 | 138 | //same as how the M14A module is driving them with internal pull ups/downs. |
stefanrousseau | 61:f6b93129f954 | 139 | //When enabled, there will be no changes in these 4 pins... |
stefanrousseau | 61:f6b93129f954 | 140 | shield_3v3_1v8_sig_trans_ena = 1; |
stefanrousseau | 61:f6b93129f954 | 141 | |
stefanrousseau | 61:f6b93129f954 | 142 | // Now, give the modem 60 seconds to start responding by |
stefanrousseau | 61:f6b93129f954 | 143 | // sending simple 'AT' commands to modem once per second. |
stefanrousseau | 61:f6b93129f954 | 144 | Timer timer; |
stefanrousseau | 61:f6b93129f954 | 145 | timer.start(); |
stefanrousseau | 61:f6b93129f954 | 146 | while (timer.read() < 60) { |
stefanrousseau | 61:f6b93129f954 | 147 | const char * rsp_lst[] = { ok_str, error_str, NULL }; |
stefanrousseau | 61:f6b93129f954 | 148 | int rc = mdm_sendAtCmd("AT", rsp_lst, 500); |
stefanrousseau | 61:f6b93129f954 | 149 | if (rc == 0) |
stefanrousseau | 61:f6b93129f954 | 150 | return true; //timer.read(); |
stefanrousseau | 61:f6b93129f954 | 151 | wait_ms(1000 - (timer.read_ms() % 1000)); |
stefanrousseau | 64:09004cd610df | 152 | PRINTF("\r%d",timer.read_ms()/1000); |
stefanrousseau | 61:f6b93129f954 | 153 | } |
stefanrousseau | 61:f6b93129f954 | 154 | return false; |
stefanrousseau | 61:f6b93129f954 | 155 | } |
stefanrousseau | 61:f6b93129f954 | 156 | |
stefanrousseau | 61:f6b93129f954 | 157 | int mdm_sendAtCmdRsp(const char *cmd, const char **rsp_list, int timeout_ms, string * rsp, int * len) { |
stefanrousseau | 61:f6b93129f954 | 158 | static char cmd_buf[3200]; // Need enough room for the WNC sockreads (over 3000 chars) |
stefanrousseau | 61:f6b93129f954 | 159 | size_t n = strlen(cmd); |
stefanrousseau | 61:f6b93129f954 | 160 | |
stefanrousseau | 61:f6b93129f954 | 161 | // Per WNC wait: |
stefanrousseau | 61:f6b93129f954 | 162 | wait_ms(WNC_WAIT_FOR_AT_CMD_MS); |
stefanrousseau | 61:f6b93129f954 | 163 | |
stefanrousseau | 61:f6b93129f954 | 164 | if (cmd && n > 0) { |
stefanrousseau | 61:f6b93129f954 | 165 | if (mdm_dbgmask & MDM_DBG_AT_CMDS) { |
stefanrousseau | 64:09004cd610df | 166 | PRINTF(MAG "ATCMD: " DEF "--> " GRN "%s" DEF "\n", cmd); |
stefanrousseau | 61:f6b93129f954 | 167 | } |
stefanrousseau | 61:f6b93129f954 | 168 | // mdm.puts(cmd); |
stefanrousseau | 61:f6b93129f954 | 169 | // mdm.puts("\r\n"); |
stefanrousseau | 61:f6b93129f954 | 170 | while (n--) { |
stefanrousseau | 61:f6b93129f954 | 171 | mdm.putc(*cmd++); |
stefanrousseau | 61:f6b93129f954 | 172 | wait_us(1000); |
stefanrousseau | 61:f6b93129f954 | 173 | }; |
stefanrousseau | 61:f6b93129f954 | 174 | mdm.putc('\r'); |
stefanrousseau | 61:f6b93129f954 | 175 | wait_us(1000); |
stefanrousseau | 61:f6b93129f954 | 176 | mdm.putc('\n'); |
stefanrousseau | 61:f6b93129f954 | 177 | wait_us(1000); |
stefanrousseau | 61:f6b93129f954 | 178 | } |
stefanrousseau | 61:f6b93129f954 | 179 | |
stefanrousseau | 61:f6b93129f954 | 180 | if (rsp_list) { |
stefanrousseau | 61:f6b93129f954 | 181 | rsp->erase(); // Clean up from prior cmd response |
stefanrousseau | 61:f6b93129f954 | 182 | *len = 0; |
stefanrousseau | 61:f6b93129f954 | 183 | Timer timer; |
stefanrousseau | 61:f6b93129f954 | 184 | timer.start(); |
stefanrousseau | 61:f6b93129f954 | 185 | while (timer.read_ms() < timeout_ms) { |
stefanrousseau | 61:f6b93129f954 | 186 | int lenCmd = mdm_getline(cmd_buf, sizeof(cmd_buf), timeout_ms - timer.read_ms()); |
stefanrousseau | 61:f6b93129f954 | 187 | |
stefanrousseau | 61:f6b93129f954 | 188 | if (lenCmd == 0) |
stefanrousseau | 61:f6b93129f954 | 189 | continue; |
stefanrousseau | 61:f6b93129f954 | 190 | |
stefanrousseau | 61:f6b93129f954 | 191 | if (lenCmd < 0) |
stefanrousseau | 61:f6b93129f954 | 192 | return MDM_ERR_TIMEOUT; |
stefanrousseau | 61:f6b93129f954 | 193 | else { |
stefanrousseau | 61:f6b93129f954 | 194 | *len += lenCmd; |
stefanrousseau | 61:f6b93129f954 | 195 | *rsp += cmd_buf; |
stefanrousseau | 61:f6b93129f954 | 196 | } |
stefanrousseau | 61:f6b93129f954 | 197 | |
stefanrousseau | 61:f6b93129f954 | 198 | if (mdm_dbgmask & MDM_DBG_AT_CMDS) { |
stefanrousseau | 64:09004cd610df | 199 | PRINTF(MAG "ATRSP: " DEF "<-- " CYN "%s" DEF "\n", cmd_buf); |
stefanrousseau | 61:f6b93129f954 | 200 | } |
stefanrousseau | 61:f6b93129f954 | 201 | |
stefanrousseau | 61:f6b93129f954 | 202 | int rsp_idx = 0; |
stefanrousseau | 61:f6b93129f954 | 203 | while (rsp_list[rsp_idx]) { |
stefanrousseau | 61:f6b93129f954 | 204 | if (strcasecmp(cmd_buf, rsp_list[rsp_idx]) == 0) { |
stefanrousseau | 61:f6b93129f954 | 205 | return rsp_idx; |
stefanrousseau | 61:f6b93129f954 | 206 | } |
stefanrousseau | 61:f6b93129f954 | 207 | rsp_idx++; |
stefanrousseau | 61:f6b93129f954 | 208 | } |
stefanrousseau | 61:f6b93129f954 | 209 | } |
stefanrousseau | 61:f6b93129f954 | 210 | return MDM_ERR_TIMEOUT; |
stefanrousseau | 61:f6b93129f954 | 211 | } |
stefanrousseau | 61:f6b93129f954 | 212 | |
stefanrousseau | 61:f6b93129f954 | 213 | return MDM_OK; |
stefanrousseau | 61:f6b93129f954 | 214 | } |
stefanrousseau | 61:f6b93129f954 | 215 | |
stefanrousseau | 61:f6b93129f954 | 216 | void reinitialize_mdm(void) |
stefanrousseau | 61:f6b93129f954 | 217 | { |
stefanrousseau | 61:f6b93129f954 | 218 | // Initialize the modem |
stefanrousseau | 64:09004cd610df | 219 | PRINTF(GRN "Modem RE-initializing..." DEF "\r\n"); |
stefanrousseau | 61:f6b93129f954 | 220 | if (!mdm_init()) { |
stefanrousseau | 64:09004cd610df | 221 | PRINTF(RED "\n\rModem RE-initialization failed!" DEF "\n"); |
stefanrousseau | 61:f6b93129f954 | 222 | } |
stefanrousseau | 64:09004cd610df | 223 | PRINTF("\r\n"); |
stefanrousseau | 61:f6b93129f954 | 224 | } |
stefanrousseau | 61:f6b93129f954 | 225 | // These are built on the fly |
stefanrousseau | 61:f6b93129f954 | 226 | string MyServerIpAddress; |
stefanrousseau | 61:f6b93129f954 | 227 | string MySocketData; |
stefanrousseau | 61:f6b93129f954 | 228 | |
stefanrousseau | 61:f6b93129f954 | 229 | //******************************************************************************************************************************************** |
stefanrousseau | 61:f6b93129f954 | 230 | //* Process JSON response messages |
stefanrousseau | 61:f6b93129f954 | 231 | //******************************************************************************************************************************************** |
stefanrousseau | 61:f6b93129f954 | 232 | bool extract_JSON(char* search_field, char* found_string) |
stefanrousseau | 61:f6b93129f954 | 233 | { |
stefanrousseau | 61:f6b93129f954 | 234 | char* beginquote; |
stefanrousseau | 61:f6b93129f954 | 235 | char* endquote; |
stefanrousseau | 61:f6b93129f954 | 236 | beginquote = strchr(search_field, '{'); //start of JSON |
stefanrousseau | 61:f6b93129f954 | 237 | endquote = strchr(search_field, '}'); //end of JSON |
stefanrousseau | 61:f6b93129f954 | 238 | if (beginquote) |
stefanrousseau | 61:f6b93129f954 | 239 | { |
stefanrousseau | 61:f6b93129f954 | 240 | uint16_t ifoundlen; |
stefanrousseau | 61:f6b93129f954 | 241 | if (endquote) |
stefanrousseau | 61:f6b93129f954 | 242 | { |
stefanrousseau | 61:f6b93129f954 | 243 | ifoundlen = (uint16_t) (endquote - beginquote) + 1; |
stefanrousseau | 61:f6b93129f954 | 244 | strncpy(found_string, beginquote, ifoundlen ); |
stefanrousseau | 61:f6b93129f954 | 245 | found_string[ifoundlen] = 0; //null terminate |
stefanrousseau | 61:f6b93129f954 | 246 | return true; |
stefanrousseau | 61:f6b93129f954 | 247 | } |
stefanrousseau | 61:f6b93129f954 | 248 | else |
stefanrousseau | 61:f6b93129f954 | 249 | { |
stefanrousseau | 61:f6b93129f954 | 250 | endquote = strchr(search_field, '\0'); //end of string... sometimes the end bracket is missing |
stefanrousseau | 61:f6b93129f954 | 251 | ifoundlen = (uint16_t) (endquote - beginquote) + 1; |
stefanrousseau | 61:f6b93129f954 | 252 | strncpy(found_string, beginquote, ifoundlen ); |
stefanrousseau | 61:f6b93129f954 | 253 | found_string[ifoundlen] = 0; //null terminate |
stefanrousseau | 61:f6b93129f954 | 254 | return false; |
stefanrousseau | 61:f6b93129f954 | 255 | } |
stefanrousseau | 61:f6b93129f954 | 256 | } |
stefanrousseau | 61:f6b93129f954 | 257 | else |
stefanrousseau | 61:f6b93129f954 | 258 | { |
stefanrousseau | 61:f6b93129f954 | 259 | return false; |
stefanrousseau | 61:f6b93129f954 | 260 | } |
stefanrousseau | 61:f6b93129f954 | 261 | } //extract_JSON |
stefanrousseau | 61:f6b93129f954 | 262 | |
stefanrousseau | 61:f6b93129f954 | 263 | int cell_modem_init() |
stefanrousseau | 61:f6b93129f954 | 264 | { |
stefanrousseau | 61:f6b93129f954 | 265 | int i; |
stefanrousseau | 61:f6b93129f954 | 266 | |
stefanrousseau | 61:f6b93129f954 | 267 | pc.baud(115200); |
stefanrousseau | 61:f6b93129f954 | 268 | // Initialize the modem |
stefanrousseau | 64:09004cd610df | 269 | PRINTF(GRN "Modem initializing... will take up to 60 seconds" DEF "\r\n"); |
stefanrousseau | 61:f6b93129f954 | 270 | do { |
stefanrousseau | 61:f6b93129f954 | 271 | i=mdm_init(); |
stefanrousseau | 61:f6b93129f954 | 272 | if (!i) { |
stefanrousseau | 64:09004cd610df | 273 | PRINTF(RED "Modem initialization failed!" DEF "\n"); |
stefanrousseau | 61:f6b93129f954 | 274 | } |
stefanrousseau | 61:f6b93129f954 | 275 | } while (!i); |
stefanrousseau | 61:f6b93129f954 | 276 | |
stefanrousseau | 61:f6b93129f954 | 277 | //Software init |
stefanrousseau | 61:f6b93129f954 | 278 | software_init_mdm(); |
stefanrousseau | 61:f6b93129f954 | 279 | |
stefanrousseau | 61:f6b93129f954 | 280 | // Resolve URL to IP address to connect to |
stefanrousseau | 61:f6b93129f954 | 281 | resolve_mdm(); |
stefanrousseau | 61:f6b93129f954 | 282 | // Open the socket (connect to the server) |
stefanrousseau | 61:f6b93129f954 | 283 | sockopen_mdm(); |
stefanrousseau | 61:f6b93129f954 | 284 | return (0); |
stefanrousseau | 61:f6b93129f954 | 285 | } |
stefanrousseau | 61:f6b93129f954 | 286 | |
stefanrousseau | 61:f6b93129f954 | 287 | int cell_modem_Sendreceive(char* tx_string, char* rx_string) |
stefanrousseau | 61:f6b93129f954 | 288 | { |
stefanrousseau | 61:f6b93129f954 | 289 | int iStatus = 0; //error by default |
stefanrousseau | 64:09004cd610df | 290 | PRINTF(DEF "\r\n"); |
stefanrousseau | 64:09004cd610df | 291 | PRINTF(BLU "Sending to modem : %s" DEF "\r\n", &tx_string[0]); |
stefanrousseau | 61:f6b93129f954 | 292 | sockwrite_mdm(&tx_string[0]); |
stefanrousseau | 61:f6b93129f954 | 293 | if (sockread_mdm(&MySocketData, 1024, 20)) |
stefanrousseau | 61:f6b93129f954 | 294 | { |
stefanrousseau | 64:09004cd610df | 295 | PRINTF(DEF "\r\n"); |
stefanrousseau | 64:09004cd610df | 296 | PRINTF(YEL "Read back : %s" DEF "\r\n", &MySocketData[0]); |
stefanrousseau | 61:f6b93129f954 | 297 | char stringToCharBuf[BUF_SIZE_FOR_N_MAX_SOCKREAD*MAX_WNC_SOCKREAD_PAYLOAD+1]; // WNC can return max of 1500 (per sockread) |
stefanrousseau | 61:f6b93129f954 | 298 | if ((MySocketData.length() + 1) < sizeof(stringToCharBuf)) |
stefanrousseau | 61:f6b93129f954 | 299 | { |
stefanrousseau | 61:f6b93129f954 | 300 | strcpy(stringToCharBuf, MySocketData.c_str()); |
stefanrousseau | 61:f6b93129f954 | 301 | if (extract_JSON(stringToCharBuf, &rx_string[0])) |
stefanrousseau | 61:f6b93129f954 | 302 | { |
stefanrousseau | 64:09004cd610df | 303 | PRINTF(GRN "JSON : %s" DEF "\n", &rx_string[0]); |
stefanrousseau | 61:f6b93129f954 | 304 | iStatus = 1; //all good |
stefanrousseau | 61:f6b93129f954 | 305 | } |
stefanrousseau | 61:f6b93129f954 | 306 | } |
stefanrousseau | 61:f6b93129f954 | 307 | else |
stefanrousseau | 61:f6b93129f954 | 308 | { |
stefanrousseau | 64:09004cd610df | 309 | PRINTF(RED "BUFFER not big enough for sock data!" DEF "\r\n"); |
stefanrousseau | 61:f6b93129f954 | 310 | } |
stefanrousseau | 61:f6b93129f954 | 311 | } |
stefanrousseau | 61:f6b93129f954 | 312 | else |
stefanrousseau | 61:f6b93129f954 | 313 | { |
stefanrousseau | 64:09004cd610df | 314 | PRINTF(RED "No response..." DEF "\r\n"); |
stefanrousseau | 61:f6b93129f954 | 315 | } |
stefanrousseau | 61:f6b93129f954 | 316 | return iStatus; |
stefanrousseau | 61:f6b93129f954 | 317 | } |
stefanrousseau | 61:f6b93129f954 | 318 |