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Onboard temperature sensor sample for WIZnet IoT Shield
Diff: main.cpp
- Revision:
- 0:5cd6077e0a8e
- Child:
- 1:0d7ba45f12b1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Mar 19 00:25:29 2019 +0000 @@ -0,0 +1,489 @@ +/* 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; +}