Temperature reading demo
Dependencies: DHT libmDot mbed-rtos mbed
Revision 1:45cec6aea002, committed 2015-09-03
- Comitter:
- SomeRandomBloke
- Date:
- Thu Sep 03 23:36:45 2015 +0000
- Parent:
- 0:5a0b43f3b143
- Child:
- 2:9db840d12557
- Commit message:
- added deep sleep
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Sun Aug 23 21:28:18 2015 +0000
+++ b/main.cpp Thu Sep 03 23:36:45 2015 +0000
@@ -26,11 +26,14 @@
// /var/config/lora/lora-network-server.conf
static std::string config_network_name = "ThingInnovations";
static std::string config_network_pass = "donkey123";
-static uint8_t config_frequency_sub_band = 1;
+//static uint8_t config_frequency_sub_band = 1;
// mDot/dev board activity LED
-#define ACTIVITY_LED PA_0
-#define DATA_PIN PC_13
+//#define ACTIVITY_LED PA_0
+// D13
+#define DATA_PIN PA_5
+// A0
+//#define DATA_PIN PB_1
// must use the hardware SPI pins
//SPI device(SPI_MOSI, SPI_MISO, SPI_SCK);
@@ -55,75 +58,104 @@
std::vector<uint8_t> send_data;
std::vector<uint8_t> recv_data;
- int32_t next_tx;
- int32_t wait_time = 2;
+// int32_t next_tx;
+// int32_t wait_time = 2;
// uint8_t iterations = 99;
- uint16_t txCount = 0;
- uint16_t txFailCount = 0;
- uint16_t rxCount = 0;
- uint16_t rxOkCount = 0;
- uint16_t noRxCount = 0;
- uint16_t rxFailCount = 0;
- bool initStatus = true; // All intialised OK until told otherwise
+// uint16_t txCount = 0;
+// uint16_t txFailCount = 0;
+// uint16_t rxCount = 0;
+// uint16_t rxOkCount = 0;
+// uint16_t noRxCount = 0;
+// uint16_t rxFailCount = 0;
+// bool initStatus = true; // All intialised OK until told otherwise
float temperature = 0.0;
-
+
pc.baud(115200);
pc.printf("mDot LoRa Temperature sensor\n\r");
-/* wait_ms(5000);
- for(int i=0; i<10; i++ )
- pc.printf(".");
- pc.printf("\n\r");
-*/
-/* while( 1 ) {
- // This takes upto 750mS, way too long. Change to 9 bit resolution if not already used.
-
- probe.convertTemperature(true, DS1820::all_devices); //Start temperature conversion, wait until ready
-// printf("It is %3.1fC\r\n", probe.temperature());
- // Output data as JSON e.g. {"temperature":"21.3"}
- temperature = probe.temperature();
- pc.printf("Temperature %3.1f\r\n", temperature );
- wait_ms(2000);
- }
-*/
-//#ifdef bollocks
+ /* wait_ms(5000);
+ for(int i=0; i<10; i++ )
+ pc.printf(".");
+ pc.printf("\n\r");
+ */
+ /*
+ while( 1 ) {
+ // This takes upto 750mS, way too long. Change to 9 bit resolution if not already used.
+
+ probe.convertTemperature(true, DS1820::all_devices); //Start temperature conversion, wait until ready
+ // printf("It is %3.1fC\r\n", probe.temperature());
+ // Output data as JSON e.g. {"temperature":"21.3"}
+ temperature = probe.temperature();
+ pc.printf("Temperature %3.1f\r\n", temperature );
+ wait_ms(2000);
+ }
+
+ #ifdef bollocks
+ */
// get a mDot handle
dot = mDot::getInstance();
dot->setLogLevel(MTSLog::TRACE_LEVEL);
- // reset to default config so we know what state we're in
- dot->resetConfig();
+ logInfo("Checking Config");
+
+ // Test if we've already saved the config
+ std::string configNetworkName = dot->getNetworkName();
+
+ // Check pin, if low then reset config.
+
+
+ if( config_network_name.compare(configNetworkName) != 0 ) {
+ // Not saved config, reset
+ logInfo("Setting Config");
- // Set byte order - AEP less than 1.0.30, currently using 1.0.25Beta
- dot->setJoinByteOrder(mDot::MSB);
+ // reset to default config so we know what state we're in
+ dot->resetConfig();
+
+ // Set byte order - AEP less than 1.0.30
+// dot->setJoinByteOrder(mDot::MSB);
+ dot->setJoinByteOrder(mDot::LSB);
- // If on developer board then you can enable activity LED
- // Currently no spare pins that LEDs are connected too.
+ logInfo("setting Join mode");
+ if ((ret = dot->setJoinMode(mDot::AUTO_OTA)) != mDot::MDOT_OK) {
+ logError("failed to set Join Mode %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+ }
+
+ // If on developer board then you can enable activity LED
+ // Currently no spare pins that LEDs are connected too.
// dot->setActivityLedPin( ACTIVITY_LED );
// dot->setActivityLedEnable(false);
- dot->setJoinRetries( 5 );
- dot->setTxDataRate( mDot::SF_9 );
- dot->setTxPower( 14 );
-// dot->setAck( 0 ); // 1 retries on Ack, 0 to disable
+ dot->setJoinRetries( 5 );
+ dot->setTxDataRate( mDot::SF_9 );
+ dot->setTxPower( 14 );
+ dot->setAck( 0 ); // 1 retries on Ack, 0 to disable
- if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
- initStatus = false;
+// Not applicable for 868MHz in EU
+// if ((ret = dot->setFrequencySubBand(config_frequency_sub_band)) != mDot::MDOT_OK) {
+// initStatus = false;
// logError(dot, "failed to set frequency sub band", ret);
- }
+// }
+
+ if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK) {
+// initStatus = false;
+ logError("failed to set network name %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+ }
- if ((ret = dot->setNetworkName(config_network_name)) != mDot::MDOT_OK) {
- initStatus = false;
-// logError(dot, "failed to set network name", ret);
+ if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK) {
+// initStatus = false;
+ logError("failed to set network password %d:%s", ret, mDot::getReturnCodeString(ret).c_str());
+ }
+
+ logInfo("Saving Config");
+
+ // Save config
+ if (! dot->saveConfig()) {
+ logError("failed to save configuration");
+ }
+ } else {
+ logInfo("Using existing Config");
}
-
- if ((ret = dot->setNetworkPassphrase(config_network_pass)) != mDot::MDOT_OK) {
- initStatus = false;
-// logError(dot, "failed to set network password", ret);
- }
-
// wait_ms(2000);
-
// Display protocol/connection info
while ((ret = dot->joinNetwork()) != mDot::MDOT_OK) {
@@ -131,19 +163,19 @@
//wait(2);
wait_ms(dot->getNextTxMs() + 1);
}
-
+
probe.setResolution(9);
char dataBuf[50];
// for (uint8_t i = 0; i < iterations; i++) {
while( 1 ) {
// This takes upto 750mS, way too long. Change to 9 bit resolution if not already used.
-
+
probe.convertTemperature(true, DS1820::all_devices); //Start temperature conversion, wait until ready
// printf("It is %3.1fC\r\n", probe.temperature());
// Output data as JSON e.g. {"temperature":"21.3"}
temperature = probe.temperature();
- sprintf(dataBuf, "{\"temperature\":%3.1f}", temperature );
+ sprintf(dataBuf, "{\"tmp\":%3.1f}", temperature );
send_data.clear();
// probably not the most efficent way to do this
for( int i=0; i< strlen(dataBuf); i++ )
@@ -151,37 +183,27 @@
if ((ret = dot->send(send_data)) != mDot::MDOT_OK) {
logError("failed to send: [%d][%s]", ret, mDot::getReturnCodeString(ret).c_str());
- txFailCount++;
+
} else {
- txCount++;
+
logInfo("send data: %s", Text::bin2hexString(send_data).c_str());
- /*
- if ((ret = dot->recv(recv_data)) != mDot::MDOT_OK) {
- logError("failed to recv: [%d][%s]", ret, mDot::getReturnCodeString(ret).c_str());
- noRxCount++;
- } else {
- // Received something
- logInfo("recv data: %s", Text::bin2hexString(recv_data).c_str());
- rxCount++;
- if (recv_data == send_data) {
- rxOkCount++;
- logInfo("recv data matches");
- } else {
- rxFailCount++;
- logInfo("recv data failed to match");
- }
- }
- recv_data.clear();
- */
+
}
-// TODO: Should really sleep here and wakeup after a set interval.
+ // Should sleep here and wakeup after a set interval.
+
+ uint32_t sleep_time = 60; //(dot->getNextTxMs() / 1000) + 10;
+ logInfo("going to sleep...");
- next_tx = dot->getNextTxMs() + 1;
- logInfo("waiting %ld ms to transmit again", next_tx);
- wait_ms(next_tx);
- logInfo("waiting another %d seconds", wait_time);
- wait(wait_time);
+ // go to sleep and wake up automatically sleep_time seconds later
+ dot->sleep(sleep_time, mDot::RTC_ALARM, false);
+ /*
+ next_tx = dot->getNextTxMs() + 1;
+ logInfo("waiting %ld ms to transmit again", next_tx);
+ wait_ms(next_tx);
+ logInfo("waiting another %d seconds", wait_time);
+ wait(wait_time);
+ */
}
//#endif
return 0;
--- a/mbed.bld Sun Aug 23 21:28:18 2015 +0000 +++ b/mbed.bld Thu Sep 03 23:36:45 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/8ed44a420e5c \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed/builds/ba1f97679dad \ No newline at end of file