Eric Jung
/
WIZnet-IoTShield-SENSOR_CDS
Onboard CDS sensor sample for WIZnet IoT Shield
Diff: main.cpp
- Revision:
- 3:c9cd5d11484d
- Parent:
- 2:d7c5df056a3b
- Child:
- 4:5ea8c91f607f
diff -r d7c5df056a3b -r c9cd5d11484d main.cpp --- a/main.cpp Thu Mar 21 07:51:49 2019 +0000 +++ b/main.cpp Mon Mar 25 10:11:25 2019 +0000 @@ -2,22 +2,22 @@ * 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. - * - */ + +/* +* 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> @@ -64,82 +64,33 @@ /* 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: PSM (Power Saving Mode) -int8_t setPsmActivate_BG96(char * Requested_Periodic_TAU, char * Requested_Active_Time); -int8_t setPsmDeactivate_BG96(void); -int8_t getPsmSetting_BG96(bool * enable, int * Requested_Periodic_TAU, int * Requested_Active_Time); - -// Functions: Network time -int8_t getNetworkTimeGMT_BG96(char * timestr); -int8_t getNetworkTimeLocal_BG96(char * timestr); -void setFlagGettime(void); -void clearFlagGettime(void); +#define CATM1_DEVICE_DEBUG DEBUG_ENABLE Serial pc(USBTX, USBRX); // USB debug -UARTSerial *_serial; // Cat.M1 module -ATCmdParser *_parser; +UARTSerial *_serial; // Cat.M1 module DigitalOut _RESET_BG96(MBED_CONF_IOTSHIELD_CATM1_RESET); DigitalOut _PWRKEY_BG96(MBED_CONF_IOTSHIELD_CATM1_PWRKEY); +AnalogIn tempVal(MBED_CONF_IOTSHIELD_SENSOR_TEMP); -Ticker flip; +float val = 0; // 온도 측정 값 넣을 변수 +float voltage = 0; // 전압 계산 값 넣을 변수 +float celsius = 0; // 섭씨 계산 값 넣을 변수 +float fahrenheit = 0; // 화씨 계산 값 넣을 변수 + bool flag_gettime = false; +float getTemperature_F(float _celsius); +float getTemperature_C(float _voltage); + 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 catm1DeviceReset_BG96(void) -{ - _RESET_BG96 = 1; - _PWRKEY_BG96 = 1; - wait_ms(300); - - _RESET_BG96 = 0; - _PWRKEY_BG96 = 0; - wait_ms(400); - - _RESET_BG96 = 1; - wait_ms(1000); -} // ---------------------------------------------------------------- @@ -148,401 +99,56 @@ int main() { - serialPcInit(); - catm1DeviceInit(); - - myprintf("Waiting for Cat.M1 Module Ready...\r\n"); - - catm1DeviceReset_BG96(); - - waitCatM1Ready(); - - wait_ms(5000); - + serialPcInit(); + 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: PSM (Power Saving Mode)"); + myprintf(">> Sample Code: TEMP Test)"); myprintf("=================================================\r\n"); - - setEchoStatus_BG96(OFF); - - getUsimStatus_BG96(); - - getNetworkStatus_BG96(); - - checknSetApn_BG96(CATM1_APN_SKT); - - Timer t; - float elapsed_time_sec = 0; - bool psm_en = false; - int psm_tau = 0; - int psm_active = 0; - - // PSM enable -#if 0 - setPsmDeactivate_BG96(); -#endif - if(getPsmSetting_BG96(&psm_en, &psm_tau, &psm_active) == RET_OK) { - if(psm_en != true) { - if(setPsmActivate_BG96("10100101", "00100100") == RET_OK) { - myprintf("Cat.M1 PSM enable, Device reboot"); - - // Cat.M1 reboot - catm1DeviceReset_BG96(); - waitCatM1Ready(); - } else { - myprintf("Cat.M1 PSM enable failed"); - } - } - } - - myprintf("Cat.M1 PSM Config: %s, TAU time: %dsec, Active time: %dsec", psm_en?"Enabled":"Disabled", psm_tau, psm_active); - - // Timer event callback - flip.attach(callback(&setFlagGettime), 1.0); + + while(1) { + // read the value from the sensor: + val = tempVal.read_u16()/100; + // 실제 전압 계산 + // 0~5V의 값을 구하기 위해 아래와 같이 5를 곱하고 1024를 나눈다. + // (Analog값 * IC에 걸리는 전압 / Analog 10bit 분해능(1024)) + // IC에 걸리는 전압은 측정기로 측정 - while(1) - { - if(flag_gettime) { - char nettime[30] = {0, }; - if(getNetworkTimeLocal_BG96(nettime) == RET_OK) { - if(elapsed_time_sec > 0) { - t.stop(); - myprintf("Cat.M1 Active, Sleep time: %.2fsec", elapsed_time_sec); - elapsed_time_sec = 0; - } - myprintf("%s", nettime); - } else { - if(elapsed_time_sec == 0) { - t.start(); - myprintf("%s", "Sleep Start"); - } - elapsed_time_sec = t.read(); - myprintf("Cat.M1 PSM, %.2f", elapsed_time_sec); - } - clearFlagGettime(); - } + voltage = val * 4.95 / 1024; + celsius = getTemperature_C(voltage); + fahrenheit = getTemperature_F(celsius); + + wait_ms(1000); + myprintf("[ Temperature Data ]"); + myprintf("Sensor value : %.2f", val); + myprintf("Volt : %.2f mV", voltage); + + myprintf("Celsius temp : %.2f C", celsius); + myprintf("Fahrenheit temp : %.2f F", fahrenheit); + wait_ms(1000); } - - /* - // Set HTTP request URL - if(setHttpRequest_BG96(request_url, strlen(request_url)-1) != RET_OK) { - myprintf("[HTTP] setHttpRequest failed\r\n"); - while(1){;} - } - - int http_response_code = 0; - int http_response_len = 0; - - if(sendHttpRequest_BG96(20, &http_response_code, &http_response_len)) { - if(http_response_code == HTTP_STATUS_CODE_OK) { - myprintf("[HTTP] 200 OK, Response content length: %d\r\n", http_response_len); - - char * http_buf; - http_buf = (char*)calloc(http_response_len+2, sizeof(char)); // memory allocation - - if(getHttpResponse_BG96(20, http_buf, http_response_len+2)) { - dumpHttpRespones_BG96(http_buf); - } - - free(http_buf); // release - - myprintf("[HTTP] getHttpResponse success\r\n"); - } else { - myprintf("[HTTP] sendHttpRequest failed - HTTP response code: %d\r\n", http_response_code); - } - } - */ -} -// ---------------------------------------------------------------- -// Functions: Cat.M1 Status -// ---------------------------------------------------------------- - -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; -} - -// ---------------------------------------------------------------- -// Functions: Cat.M1 PSM activate / deactivate -// ---------------------------------------------------------------- - -int8_t setPsmActivate_BG96(char *Requested_Periodic_TAU, char *Requested_Active_Time) -{ - int8_t ret = RET_NOK; - - if (_parser->send("AT+CPSMS=1,,,\"%s\",\"%s\"", Requested_Periodic_TAU, Requested_Active_Time) - && _parser->recv("OK")) - { - devlog("PSM activate success\r\n"); - ret = RET_OK; - } - return ret; -} - -int8_t setPsmDeactivate_BG96(void) -{ - int8_t ret = RET_NOK; - - if (_parser->send("AT+CPSMS=0") && _parser->recv("OK")) { - devlog("PSM deactivate success\r\n"); - } - return ret; -} - -int8_t getPsmSetting_BG96(bool * enable, int * Requested_Periodic_TAU, int * Requested_Active_Time) -{ - int8_t ret = RET_NOK; - int en = 0; - - if (_parser->send("AT+QPSMS?") // BG96 only - && _parser->recv("+QPSMS: %d,,,\"%d\",\"%d\"", &en, Requested_Periodic_TAU, Requested_Active_Time) - && _parser->recv("OK")) - { - if(en != 0) - *enable = true; - else - *enable = false; - - devlog("Get PSM setting success\r\n"); - ret = RET_OK; - } - return ret; -} - - -// ---------------------------------------------------------------- -// Functions: Cat.M1 Network time -// ---------------------------------------------------------------- - -int8_t getNetworkTimeGMT_BG96(char * timestr) -{ - int8_t ret = RET_NOK; - if (_parser->send("AT+QLTS=1") - && _parser->recv("+QLTS: \"%[^\"]\"", timestr) - && _parser->recv("OK")) - { - //devlog("Get current GMT time success\r\n"); - ret = RET_OK; - } - return ret; -} - -int8_t getNetworkTimeLocal_BG96(char * timestr) -{ - int8_t ret = RET_NOK; - if (_parser->send("AT+QLTS=2") - && _parser->recv("+QLTS: \"%[^\"]\"", timestr) - && _parser->recv("OK")) - { - //devlog("Get current local time success\r\n"); - ret = RET_OK; - } - return ret; -} - -void setFlagGettime(void) -{ - flag_gettime = true; -} - -void clearFlagGettime(void) -{ - flag_gettime = false; -} - -// ---------------------------------------------------------------- -// Functions: Cat.M1 HTTP send & recv -// ---------------------------------------------------------------- -/* -int8_t setHttpRequest_BG96(char * req, int len) -{ - int8_t ret = RET_NOK; - bool done = false; - - _parser->set_timeout(BG96_CONNECT_TIMEOUT); - - _parser->send("AT+QHTTPURL=%d,%d", len, 5); - if( !done && _parser->recv("CONNECT\r\n") ) - done = (_parser->write(req, len) <= 0); - - if( !done ) { - done = (_parser->recv("OK")); - if(done) { - devlog("Set HTTP request URL success: %s\r\n", req); - ret = RET_OK; - } - } - _parser->set_timeout(BG96_DEFAULT_TIMEOUT); - - return ret; } -int8_t sendHttpRequest_BG96(int timeout, int * rsp_code, int * content_len) + +float getTemperature_F(float _celsius) { - int8_t ret = RET_NOK; - int err; - - _parser->set_timeout(BG96_DEFAULT_TIMEOUT + (timeout * 1000)); - - if( _parser->send("AT+QHTTPGET=%d", timeout) - && _parser->recv("+QHTTPGET: %d,%d,%d\r\n", &err, rsp_code, content_len) - && (err == 0)) - { - devlog("The HTTP request is sent and the response is successful\r\n"); - ret = RET_OK; - } - _parser->set_timeout(BG96_DEFAULT_TIMEOUT); - - return ret; + // 섭씨에서 화씨 환산 -> (화씨온도 = 섭씽온*9/5+32) + fahrenheit = celsius * 9.0 / 5.0 + 32.0; + return fahrenheit; } - -int8_t getHttpResponse_BG96(int timeout, char * buf, int len) +float getTemperature_C(float _voltage) { - int8_t ret = RET_NOK; - bool done = false; - - if( _parser->send("AT+QHTTPREAD=%d", timeout) && _parser->recv("CONNECT\r\n")) { - done = _parser->read(buf, len); - } - - if(done) { - if( _parser->recv("OK") && _parser->recv("+QHTTPREAD: 0")) { - ret = RET_OK; - } - } - return ret; + // LM35는 섭씨 1도당 10mV의 전위차를 갖는다. + // 센서핀의 전압이 0.28V라면 280mV이므로 온도는 28도씨. + // 100을 곱해서 섭씨 온도로 나타냄 + celsius = voltage * 100.0; + return celsius; } - -void dumpHttpRespones_BG96(char * buf) -{ - myprintf("%s", buf); -} -*/