commit 42031a08c5def5e53e516a3586c69b69738cd097 Author: sam rolfe Date: Tue Aug 5 12:28:55 2025 +1000 Initial Commit diff --git a/.vscode/arduino.json b/.vscode/arduino.json new file mode 100644 index 0000000..b2c6283 --- /dev/null +++ b/.vscode/arduino.json @@ -0,0 +1,6 @@ +{ + "configuration": "JTAGAdapter=default,PSRAM=disabled,PartitionScheme=default,CPUFreq=240,FlashMode=qio,FlashFreq=80,FlashSize=4M,UploadSpeed=921600,LoopCore=1,EventsCore=1,DebugLevel=none,EraseFlash=none,ZigbeeMode=default", + "board": "esp32:esp32:esp32", + "sketch": "CAR_GPS_TRACKER.ino", + "port": "/dev/ttyUSB0" +} \ No newline at end of file diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json new file mode 100644 index 0000000..64516c0 --- /dev/null +++ b/.vscode/c_cpp_properties.json @@ -0,0 +1,448 @@ +{ + "version": 4, + "configurations": [ + { + "name": "Arduino", + "compilerPath": "/home/sam/.arduino15/packages/esp32/tools/esp-x32/2411/bin/xtensa-esp32-elf-g++", + "compilerArgs": [ + "-MMD", + "-w", + "-Werror=return-type", + "-iprefix" + ], + "intelliSenseMode": "gcc-x64", + "includePath": [ + "/media/sam/8294CD2994CD2111/Users/Dell/Documents/Arduino/CAR_GPS_TRACKER", + "/home/sam/.arduino15/packages/esp32/tools/esp32-arduino-libs/idf-release_v5.4-2f7dcd86-v1/esp32/qio_qspi/include", + "/home/sam/.arduino15/packages/esp32/hardware/esp32/3.2.0/cores/esp32", + "/home/sam/.arduino15/packages/esp32/hardware/esp32/3.2.0/variants/esp32", + "/home/sam/.arduino15/packages/esp32/tools/esp-x32/2411/xtensa-esp-elf/include/c++/14.2.0", + "/home/sam/.arduino15/packages/esp32/tools/esp-x32/2411/xtensa-esp-elf/include/c++/14.2.0/xtensa-esp-elf/esp32", + "/home/sam/.arduino15/packages/esp32/tools/esp-x32/2411/xtensa-esp-elf/include/c++/14.2.0/backward", + "/home/sam/.arduino15/packages/esp32/tools/esp-x32/2411/lib/gcc/xtensa-esp-elf/14.2.0/include", + "/home/sam/.arduino15/packages/esp32/tools/esp-x32/2411/lib/gcc/xtensa-esp-elf/14.2.0/include-fixed", + "/home/sam/.arduino15/packages/esp32/tools/esp-x32/2411/xtensa-esp-elf/include" + ], + "forcedInclude": [ + "/home/sam/.arduino15/packages/esp32/hardware/esp32/3.2.0/cores/esp32/Arduino.h" + ], + "cStandard": "c11", + "cppStandard": "c++11", + "defines": [ + "F_CPU=240000000L", + "ARDUINO=10607", + "ARDUINO_ESP32_DEV", + "ARDUINO_ARCH_ESP32", + "ARDUINO_BOARD=\"ESP32_DEV\"", + "ARDUINO_VARIANT=\"esp32\"", + "ARDUINO_PARTITION_default", + "ARDUINO_HOST_OS=\"linux\"", + "ARDUINO_FQBN=\"esp32:esp32:esp32:JTAGAdapter=default,PSRAM=disabled,PartitionScheme=default,CPUFreq=240,FlashMode=qio,FlashFreq=80,FlashSize=4M,UploadSpeed=921600,LoopCore=1,EventsCore=1,DebugLevel=none,EraseFlash=none,ZigbeeMode=default\"", + "ESP32=ESP32", + "CORE_DEBUG_LEVEL=0", + "ARDUINO_RUNNING_CORE=1", + "ARDUINO_EVENT_RUNNING_CORE=1", + "ARDUINO_USB_CDC_ON_BOOT=0", + "__DBL_MIN_EXP__=(-1021)", + "__XCHAL_HAVE_FP=1", + "__cpp_nontype_template_parameter_auto=201606L", + "__UINT_LEAST16_MAX__=0xffff", + "__ATOMIC_ACQUIRE=2", + "__FLT_MIN__=1.1754943508222875e-38F", + "__GCC_IEC_559_COMPLEX=0", + "__XCHAL_HAVE_PREDICTED_BRANCHES=0", + "__cpp_aggregate_nsdmi=201304L", + "__UINT_LEAST8_TYPE__=unsigned char", + "__INTMAX_C(c)=c ## 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Waiting for modem to become responsive (up to 120 seconds)..."); + unsigned long modemReadyStartTime = millis(); + const unsigned long MODEM_READY_TIMEOUT = 120 * 1000; // Total 120 seconds timeout + + // Loop to repeatedly send "AT" and check for any response + Serial.println("Repeatedly sending 'AT' to check for responsiveness..."); + while (millis() - modemReadyStartTime < MODEM_READY_TIMEOUT) { + String response = sendCommandAndPrintAllResponse("AT", 1500); // Send AT, wait 1.5s for any response + if (response.indexOf("OK") != -1) { + Serial.println("Modem is responsive! Continuing initial checks."); + break; + } + Serial.print("Modem not yet responsive ("); + Serial.print((millis() - modemReadyStartTime) / 1000); + Serial.println("s elapsed). Retrying..."); + delay(2000); // Wait 2 seconds before retrying AT command + } + + if (millis() - modemReadyStartTime >= MODEM_READY_TIMEOUT) { + Serial.println("Modem did not become responsive within timeout. Check wiring, module power, and PWRKEY sequence."); + while(true); // Halt if modem fails to become responsive + } + + Serial.println("\n--- Basic AT Command Tests ---"); + delay(1000); // Small delay before next command + sendCommandAndPrintAllResponse("ATI", 3000); // Get product ID + delay(1000); + sendCommandAndPrintAllResponse("AT+CMEE=1", 1000); // Enable verbose errors + delay(1000); + sendCommandAndPrintAllResponse("AT+CPIN?", 3000); // Check SIM status + delay(1000); + + Serial.println("\n--- Setup complete. Monitor loop output for continuous checks. ---"); +} + + +void loop() { + // Continuously check basic modem status to see if it remains responsive + Serial.println("\n--- Loop: Continuous Basic Checks ---"); + sendCommandAndPrintAllResponse("AT", 1000); + delay(5000); // Check every 5 seconds +} + + +// REVISED: powerUp function based on Waveshare example timing +void powerUp(){ + Serial.println("Applying power pulse to PWRKEY_PIN (GPIO4)..."); + digitalWrite(PWRKEY_PIN, HIGH); // Ensure HIGH first (idle state) + delay(100); // Small stabilization delay + + digitalWrite(PWRKEY_PIN, LOW); // Pull PWRKEY low + delay(2000); // Hold low for 2 seconds (as per Waveshare example) + digitalWrite(PWRKEY_PIN, HIGH); // Release PWRKEY (set HIGH) + // The long boot delay is handled in setup() to monitor responsiveness + Serial.println("PWRKEY pulse complete. Module should now be booting."); +} + + +// REVISED: sendCommandAndPrintAllResponse function for raw modem output debugging +String sendCommandAndPrintAllResponse(String command, unsigned long timeoutMs) { + Serial.print("Sending: "); + Serial.println(command); + + // Clear Serial2 receive buffer before sending command + while (Serial2.available()) { + Serial2.read(); + } + + Serial2.println(command); // Send command to the modem + + String rawResponse = ""; + unsigned long startTime = millis(); + + while (millis() - startTime < timeoutMs) { + if (Serial2.available()) { + char c = (char)Serial2.read(); + rawResponse += c; + startTime = millis(); // Reset timeout as long as data is being received + } + delay(1); // Small delay to prevent busy-waiting + } + + Serial.println("--- Raw Modem Response Received ---"); + Serial.println(rawResponse); // Print everything received (raw, untrimmed) + Serial.println("-----------------------------------"); + + return rawResponse; // Return the raw response for checking in setup/loop +} \ No newline at end of file