pull/22/head
Kent Wiliams 2020-05-19 18:06:03 -07:00
rodzic c4c3f1eab0
commit 09b9968f4b
1 zmienionych plików z 111 dodań i 125 usunięć

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@ -35,12 +35,11 @@
#include <hal/hal.h> #include <hal/hal.h>
#include <lmic.h> #include <lmic.h>
#include <CayenneLPP.h>
#include <MicroNMEA.h> #include <MicroNMEA.h>
#include <Wire.h> #include <Wire.h>
#include <CayenneLPP.h>
//I2C communication parameters // I2C communication parameters
#define DEFAULT_DEVICE_ADDRESS 0x3A #define DEFAULT_DEVICE_ADDRESS 0x3A
#define DEFAULT_DEVICE_PORT 0xFF #define DEFAULT_DEVICE_PORT 0xFF
#define I2C_DELAY 1 #define I2C_DELAY 1
@ -63,8 +62,8 @@ static const u1_t PROGMEM APPKEY[16] = {0};
void os_getDevKey(u1_t *buf) { memcpy_P(buf, APPKEY, 16); } void os_getDevKey(u1_t *buf) { memcpy_P(buf, APPKEY, 16); }
CayenneLPP lpp(51); CayenneLPP lpp(51);
TwoWire& gps = DEV_I2C; TwoWire &gps = DEV_I2C;
//I2C read data structures // I2C read data structures
char buff[32]; char buff[32];
int idx = 0; int idx = 0;
@ -137,42 +136,35 @@ const lmic_pinmap lmic_pins = *Arduino_LMIC::GetPinmap_Disco_L072cz_Lrwan1();
#error "Unknown target" #error "Unknown target"
#endif #endif
void ppsHandler(void) void ppsHandler(void) { ppsTriggered = true; }
{
ppsTriggered = true;
}
void gpsHardwareReset() void gpsHardwareReset() {
{ // reset the device
//reset the device
digitalWrite(RESET_PIN, LOW); digitalWrite(RESET_PIN, LOW);
delay(50); delay(50);
digitalWrite(RESET_PIN, HIGH); digitalWrite(RESET_PIN, HIGH);
//wait for reset to apply // wait for reset to apply
delay(2000); delay(2000);
} }
//Read 32 bytes from I2C // Read 32 bytes from I2C
void readI2C(char *inBuff) void readI2C(char *inBuff) {
{
gps.beginTransmission(DEFAULT_DEVICE_ADDRESS); gps.beginTransmission(DEFAULT_DEVICE_ADDRESS);
gps.write((uint8_t) DEFAULT_DEVICE_PORT); gps.write((uint8_t)DEFAULT_DEVICE_PORT);
gps.endTransmission(false); gps.endTransmission(false);
gps.requestFrom((uint8_t)DEFAULT_DEVICE_ADDRESS, (uint8_t) 32); gps.requestFrom((uint8_t)DEFAULT_DEVICE_ADDRESS, (uint8_t)32);
int i = 0; int i = 0;
while (gps.available()) while (gps.available()) {
{ inBuff[i] = gps.read();
inBuff[i]= gps.read();
i++; i++;
} }
} }
//Send a NMEA command via I2C // Send a NMEA command via I2C
void sendCommand(char *cmd) void sendCommand(char *cmd) {
{
gps.beginTransmission(DEFAULT_DEVICE_ADDRESS); gps.beginTransmission(DEFAULT_DEVICE_ADDRESS);
gps.write((uint8_t) DEFAULT_DEVICE_PORT); gps.write((uint8_t)DEFAULT_DEVICE_PORT);
MicroNMEA::sendSentence(gps, cmd); MicroNMEA::sendSentence(gps, cmd);
gps.endTransmission(true); gps.endTransmission(true);
} }
@ -294,9 +286,8 @@ void onEvent(ev_t ev) {
} }
void readGPS() { void readGPS() {
//If a message is recieved print all the informations // If a message is recieved print all the informations
if (ppsTriggered) if (ppsTriggered) {
{
ppsTriggered = false; ppsTriggered = false;
ledState = !ledState; ledState = !ledState;
digitalWrite(LED_BUILTIN, ledState); digitalWrite(LED_BUILTIN, ledState);
@ -318,7 +309,7 @@ void readGPS() {
Serial.println(nmea.getNumSatellites()); Serial.println(nmea.getNumSatellites());
Serial.print("HDOP: "); Serial.print("HDOP: ");
Serial.println(nmea.getHDOP()/10., 1); Serial.println(nmea.getHDOP() / 10., 1);
Serial.print("Date/time: "); Serial.print("Date/time: ");
Serial.print(nmea.getYear()); Serial.print(nmea.getYear());
@ -348,6 +339,7 @@ void readGPS() {
else else
Serial.println("not available"); Serial.println("not available");
// Pack CayenneLPP Payload
lpp.addGPS(1, latitude_mdeg, longitude_mdeg, alt); lpp.addGPS(1, latitude_mdeg, longitude_mdeg, alt);
Serial.print("Speed: "); Serial.print("Speed: ");
@ -356,23 +348,20 @@ void readGPS() {
Serial.println(nmea.getCourse() / 1000., 3); Serial.println(nmea.getCourse() / 1000., 3);
Serial.println("-----------------------"); Serial.println("-----------------------");
nmea.clear(); nmea.clear();
} }
else
{ while (!ppsTriggered) {
char c ; char c;
if (idx == 0) if (idx == 0) {
{
readI2C(buff); readI2C(buff);
delay(I2C_DELAY); delay(I2C_DELAY);
} }
//Fetch the character one by one // Fetch the character one by one
c = buff[idx]; c = buff[idx];
idx++; idx++;
idx %= 32; idx %= 32;
//If we have a valid character pass it to the library // If we have a valid character pass it to the library
if ((uint8_t) c != 0xFF) if ((uint8_t)c != 0xFF) {
{
Serial.print(c); Serial.print(c);
nmea.process(c); nmea.process(c);
} }
@ -404,7 +393,7 @@ void setup() {
pinMode(LED_BUILTIN, OUTPUT); pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, ledState); digitalWrite(LED_BUILTIN, ledState);
//Start the module // Start the module
pinMode(RESET_PIN, OUTPUT); pinMode(RESET_PIN, OUTPUT);
digitalWrite(RESET_PIN, HIGH); digitalWrite(RESET_PIN, HIGH);
Serial.println("Resetting GPS module ..."); Serial.println("Resetting GPS module ...");
@ -415,30 +404,27 @@ void setup() {
sendCommand((char *)"$PSTMSETPAR,1231,0x00000042"); sendCommand((char *)"$PSTMSETPAR,1231,0x00000042");
sendCommand((char *)"$PSTMSAVEPAR"); sendCommand((char *)"$PSTMSAVEPAR");
//Reset the device so that the changes could take plaace // Reset the device so that the changes could take plaace
sendCommand((char *)"$PSTMSRR"); sendCommand((char *)"$PSTMSRR");
delay(4000); delay(4000);
//Reinitialize I2C after the reset // Reinitialize I2C after the reset
gps.begin(); gps.begin();
//clear i2c buffer // clear i2c buffer
char c; char c;
idx = 0; idx = 0;
memset(buff, 0, 32); memset(buff, 0, 32);
do do {
{ if (idx == 0) {
if (idx == 0)
{
readI2C(buff); readI2C(buff);
delay(I2C_DELAY); delay(I2C_DELAY);
} }
c = buff[idx]; c = buff[idx];
idx++; idx++;
idx %= 32; idx %= 32;
} } while ((uint8_t)c != 0xFF);
while ((uint8_t) c != 0xFF);
pinMode(2, INPUT); pinMode(2, INPUT);
attachInterrupt(digitalPinToInterrupt(2), ppsHandler, RISING); attachInterrupt(digitalPinToInterrupt(2), ppsHandler, RISING);