Eric Jung
Onboard CDS sensor sample for WIZnet IoT Shield
Diff: main.cpp
- Revision:
- 3:c9cd5d11484d
- Parent:
- 2:d7c5df056a3b
- Child:
- 4:5ea8c91f607f
--- 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);
-}
-*/