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Onboard CDS sensor sample for WIZnet IoT Shield
main.cpp
- Committer:
- hkjung
- Date:
- 2019-03-19
- Revision:
- 0:5cd6077e0a8e
- Child:
- 1:0d7ba45f12b1
File content as of revision 0:5cd6077e0a8e:
/* WIZnet IoT Shield Cat.M1 Sample code for Arm MBED * Copyright (c) 2019 WIZnet Co., Ltd. * SPDX-License-Identifier: Apache-2.0 */ /* * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * * See the License for the specific language governing permissions and * limitations under the License. * */ #include <string> #include "mbed.h" #define RET_OK 1 #define RET_NOK -1 #define DEBUG_ENABLE 1 #define DEBUG_DISABLE 0 #define ON 1 #define OFF 0 #define MAX_BUF_SIZE 1024 #define BG96_APN_PROTOCOL_IPv4 1 #define BG96_APN_PROTOCOL_IPv6 2 #define BG96_DEFAULT_TIMEOUT 1000 #define BG96_CONNECT_TIMEOUT 15000 #define BG96_SEND_TIMEOUT 500 #define BG96_RECV_TIMEOUT 500 #define BG96_APN_PROTOCOL BG96_APN_PROTOCOL_IPv6 #define BG96_DEFAULT_BAUD_RATE 115200 #define BG96_PARSER_DELIMITER "\r\n" #define CATM1_APN_SKT "lte-internet.sktelecom.com" #define CATM1_DEVICE_NAME_BG96 "BG96" #define DEVNAME CATM1_DEVICE_NAME_BG96 #define devlog(f_, ...) if(CATM1_DEVICE_DEBUG == DEBUG_ENABLE) { pc.printf("\r\n[%s] ", DEVNAME); pc.printf((f_), ##__VA_ARGS__); } #define myprintf(f_, ...) {pc.printf("\r\n[MAIN] "); pc.printf((f_), ##__VA_ARGS__);} /* Pin configuraiton */ // Cat.M1 #define MBED_CONF_IOTSHIELD_CATM1_TX D8 #define MBED_CONF_IOTSHIELD_CATM1_RX D2 #define MBED_CONF_IOTSHIELD_CATM1_RESET D6 #define MBED_CONF_IOTSHIELD_CATM1_PWRKEY D9 #define MBED_CONF_IOTSHIELD_CATM1_WAKE NC // Sensors #define MBED_CONF_IOTSHIELD_SENSOR_CDS A0 #define MBED_CONF_IOTSHIELD_SENSOR_TEMP A1 /* Debug message settings */ #define BG96_PARSER_DEBUG DEBUG_DISABLE #define CATM1_DEVICE_DEBUG DEBUG_ENABLE // Functions: Module Status void waitCatM1Ready(void); int8_t setEchoStatus_BG96(bool onoff); int8_t getUsimStatus_BG96(void); int8_t getNetworkStatus_BG96(void); int8_t checknSetApn_BG96(const char * apn); int8_t getFirmwareVersion_BG96(char * version); // Functions: PDP context int8_t setContextActivate_BG96(void); // Activate a PDP Context int8_t setContextDeactivate_BG96(void); // Deactivate a PDP Context // Functions: Ping test void pingToHost_BG96(char * host, int timeout, int pingnum); Serial pc(USBTX, USBRX); // USB debug UARTSerial *_serial; // Cat.M1 module ATCmdParser *_parser; void serialPcInit(void) { pc.baud(115200); pc.format(8, Serial::None, 1); } void serialDeviceInit(PinName tx, PinName rx, int baudrate) { _serial = new UARTSerial(tx, rx, baudrate); } void serialAtParserInit(const char *delimiter, bool debug_en) { _parser = new ATCmdParser(_serial); _parser->debug_on(debug_en); _parser->set_delimiter(delimiter); _parser->set_timeout(BG96_DEFAULT_TIMEOUT); } void catm1DeviceInit(void) { serialDeviceInit( MBED_CONF_IOTSHIELD_CATM1_TX, MBED_CONF_IOTSHIELD_CATM1_RX, BG96_DEFAULT_BAUD_RATE); serialAtParserInit( BG96_PARSER_DELIMITER, BG96_PARSER_DEBUG); } void printPingToHost_BG96(char * host, int timeout, int pingnum) { int i; char resp_str[50] = {0, }; if((timeout < 1) || (timeout > 255)) { devlog("Ping timeout range is 1-255, and the default value is 4 (unit: sec)\r\n"); return; } if((pingnum < 1) || (pingnum > 10)) { devlog("The maximum number of sending Ping request range is 1-10, and the default value is 4\r\n"); return; } _parser->set_timeout((1000 * timeout) + 2000); if(_parser->send("AT+QPING=%d,\"%s\",%d,%d", 1, host, timeout, pingnum) && _parser->recv("OK")) { for(i = 0; i < (pingnum); i++) { _parser->recv("+QPING: %s\n", resp_str); devlog("%s: %s\r\n", host, resp_str); } } _parser->set_timeout(BG96_DEFAULT_TIMEOUT); _parser->flush(); } int main() { serialPcInit(); catm1DeviceInit(); myprintf("Waiting for Cat.M1 Module Ready...\r\n"); // Todo: BG96 Hardware Init (hardware reset & pwrkey act) waitCatM1Ready(); myprintf("System Init Complete\r\n"); myprintf("WIZnet IoT Shield for Arm MBED"); myprintf("LTE Cat.M1 Version"); myprintf("================================================="); myprintf(">> Target Board: WIoT-QC01 (Quectel BG96)"); myprintf(">> Sample Code: Ping Test"); myprintf("=================================================\r\n"); setEchoStatus_BG96(OFF); getUsimStatus_BG96(); getNetworkStatus_BG96(); checknSetApn_BG96(CATM1_APN_SKT); char ping_dest_1st[] = "8.8.8.8"; char ping_dest_2nd[] = "www.google.com"; setContextActivate_BG96(); myprintf("[Ping] Host: %s\r\n", ping_dest_1st); printPingToHost_BG96(ping_dest_1st, 2, 4); wait_ms(2000); myprintf("[Ping] Host: %s\r\n", ping_dest_2nd); printPingToHost_BG96(ping_dest_2nd, 2, 4); setContextDeactivate_BG96(); } void waitCatM1Ready(void) { while(1) { if(_parser->recv("RDY")) { myprintf("BG96 ready\r\n"); return ; } else if(_parser->send("AT") && _parser->recv("OK")) { myprintf("BG96 already available\r\n"); return ; } } } int8_t setEchoStatus_BG96(bool onoff) { int8_t ret = RET_NOK; char _buf[10]; sprintf((char *)_buf, "ATE%d", onoff); if(_parser->send(_buf) && _parser->recv("OK")) { devlog("Turn Echo %s success\r\n", onoff?"ON":"OFF"); ret = RET_OK; } else { devlog("Turn Echo %s failed\r\n", onoff?"ON":"OFF"); } return ret; } int8_t getUsimStatus_BG96(void) { int8_t ret = RET_NOK; _parser->send("AT+CPIN?"); if(_parser->recv("+CPIN: READY") && _parser->recv("OK")) { devlog("USIM Status: READY\r\n"); ret = RET_OK; } else { devlog("Retrieving USIM Status failed\r\n"); } return ret; } int8_t getNetworkStatus_BG96(void) { int8_t ret = RET_NOK; if(_parser->send("AT+QCDS") && _parser->recv("+QCDS: \"SRV\"") && _parser->recv("OK")) { devlog("Network Status: attached\r\n"); ret = RET_OK; } else if (_parser->send("AT+QCDS") && _parser->recv("+QCDS: \"LIMITED\"") && _parser->recv("OK")) { devlog("Network Status: limited\r\n"); ret = RET_OK; } else { devlog("Network Status: Error\r\n"); } return ret; } int8_t checknSetApn_BG96(const char * apn) // Configure Parameters of a TCP/IP Context { char resp_str[100]; uint16_t i = 0; char * search_pt; memset(resp_str, 0, sizeof(resp_str)); devlog("Checking APN...\r\n"); _parser->send("AT+QICSGP=1"); while(1) { _parser->read(&resp_str[i++], 1); search_pt = strstr(resp_str, "OK\r\n"); if (search_pt != 0) { break; } } search_pt = strstr(resp_str, apn); if (search_pt == 0) { devlog("Mismatched APN: %s\r\n", resp_str); devlog("Storing APN %s...\r\n", apn); if(!(_parser->send("AT+QICSGP=1,%d,\"%s\",\"\",\"\",0", BG96_APN_PROTOCOL, apn) && _parser->recv("OK"))) { return RET_NOK; // failed } } devlog("APN Check Done\r\n"); return RET_OK; } int8_t getFirmwareVersion_BG96(char * version) { int8_t ret = RET_NOK; if(_parser->send("AT+QGMR") && _parser->recv("%s\n", version) && _parser->recv("OK")) { ret = RET_OK; } return ret; } int8_t getImeiNumber_BG96(char * imei) { int8_t ret = RET_NOK; if(_parser->send("AT+CGSN") && _parser->recv("%s\n", imei) && _parser->recv("OK")) { ret = RET_OK; } return ret; } int8_t getIpAddressByName_BG96(const char * name, char * ipstr) { char buf2[50]; bool ok; int err, ipcount, dnsttl; int8_t ret = RET_NOK; ok = ( _parser->send("AT+QIDNSGIP=1,\"%s\"", name) && _parser->recv("OK") && _parser->recv("+QIURC: \"dnsgip\",%d,%d,%d", &err, &ipcount, &dnsttl) && err==0 && ipcount > 0 ); if( ok ) { _parser->recv("+QIURC: \"dnsgip\",\"%[^\"]\"", ipstr); //use the first DNS value for( int i=0; i<ipcount-1; i++ ) _parser->recv("+QIURC: \"dnsgip\",\"%[^\"]\"", buf2); //and discrard the rest if >1 ret = RET_OK; } return ret; } int8_t getIpAddress_BG96(char * ipstr) // IPv4 or IPv6 { int8_t ret = RET_NOK; int id, state, type; // not used _parser->send("AT+QIACT?"); if(_parser->recv("+QIACT: %d,%d,%d,\"%[^\"]\"", &id, &state, &type, ipstr) && _parser->recv("OK")) { ret = RET_OK; } return ret; } int8_t setContextActivate_BG96(void) // Activate a PDP Context { int8_t ret = RET_NOK; _parser->send("AT+QIACT=1"); if(_parser->recv("OK")) { devlog("Activate a PDP Context\r\n"); ret = RET_OK; } else { devlog("PDP Context Activation failed\r\n"); } return ret; } int8_t setContextDeactivate_BG96(void) // Deactivate a PDP Context { int8_t ret = RET_NOK; _parser->send("AT+QIDEACT=1"); if(_parser->recv("OK")) { devlog("Deactivate a PDP Context\r\n"); ret = RET_OK; } else { devlog("PDP Context Deactivation failed\r\n"); } return ret; } int8_t sockOpenConnect_BG96(const char * type, const char * addr, int port) { int8_t ret = RET_NOK; int err = 1; int id = 0; bool done = false; Timer t; _parser->set_timeout(BG96_CONNECT_TIMEOUT); if((strcmp(type, "TCP") != 0) && (strcmp(type, "UDP") != 0)) { return RET_NOK; } t.start(); _parser->send("AT+QIOPEN=1,%d,\"%s\",\"%s\",%d", id, type, addr, port); do { done = (_parser->recv("+QIOPEN: %d,%d", &id, &err) && (err == 0)); } while(!done && t.read_ms() < BG96_CONNECT_TIMEOUT); if(done) ret = RET_OK; _parser->set_timeout(BG96_DEFAULT_TIMEOUT); _parser->flush(); return ret; } int8_t sockClose_BG96(void) { int8_t ret = RET_NOK; int id = 0; _parser->set_timeout(BG96_CONNECT_TIMEOUT); if(_parser->send("AT+QICLOSE=%d", id) && _parser->recv("OK")) { ret = RET_OK; } _parser->set_timeout(BG96_DEFAULT_TIMEOUT); return ret; } int8_t dataSend_BG96(char * data, int len) { int8_t ret = RET_NOK; int id = 0; bool done = false; _parser->set_timeout(BG96_SEND_TIMEOUT); _parser->send("AT+QISEND=%d,%ld", id, len); if( !done && _parser->recv(">") ) done = (_parser->write(data, len) <= 0); if( !done ) done = _parser->recv("SEND OK"); _parser->set_timeout(BG96_DEFAULT_TIMEOUT); return ret; } int8_t checkDataRecv_BG96(void) { int8_t ret = RET_NOK; int id = 0; char cmd[20]; bool received = false; sprintf(cmd, "+QIURC: \"recv\",%d", id); _parser->set_timeout(1); received = _parser->recv(cmd); _parser->set_timeout(BG96_DEFAULT_TIMEOUT); if(received) ret = RET_OK; return ret; } int8_t dataRecv_BG96(char * data, int * len) { int8_t ret = RET_NOK; int id = 0; int recvCount = 0; _parser->set_timeout(BG96_RECV_TIMEOUT); if( _parser->send("AT+QIRD=%d", id) && _parser->recv("+QIRD:%d\r\n",&recvCount) ) { if(recvCount > 0) { _parser->getc(); _parser->read(data, recvCount); if(_parser->recv("OK")) { ret = RET_OK; } else { recvCount = 0; } } } _parser->set_timeout(BG96_DEFAULT_TIMEOUT); _parser->flush(); *len = recvCount; return ret; }