pinelora WIP

platformio.ini

@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [platformio]
-default_envs = tbeam
+;default_envs = tbeam
 ;default_envs = tbeam0.7
 ;default_envs = heltec
 ;default_envs = tlora-v1
@@ -18,7 +18,7 @@ default_envs = tbeam
 ;default_envs = lora-relay-v1 # nrf board
 ;default_envs = eink
 ;default_envs = nrf52840dk-geeksville
-;default_envs = native # lora-relay-v1 # nrf52840dk-geeksville # linux # or if you'd like to change the default to something like lora-relay-v1 put that here
+default_envs = native # lora-relay-v1 # nrf52840dk-geeksville # linux # or if you'd like to change the default to something like lora-relay-v1 put that here
 ;default_envs = rak4631
 ;default_envs = rak4630
 

src/configuration.h

@@ -423,11 +423,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define USE_SIM_RADIO
 
+// Pine64 uses a common pinout for their SX1262 vs RF95 modules - both can be enabled and we will probe at runtime for RF95 and if
+// not found then probe for SX1262
 #define USE_RF95
-#define LORA_DIO0 26 // a No connect on the SX1262 module
-#define LORA_RESET RADIOLIB_NC
-#define LORA_DIO1 33 // Not really used
-#define LORA_DIO2 32 // Not really used
+#define USE_SX1262
 
 // Fake SPI device selections
 #define RF95_SCK 5
@@ -435,6 +434,20 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RF95_MOSI 27
 #define RF95_NSS RADIOLIB_NC // the ch341f spi controller does CS for us
 
+#define LORA_DIO0 26 // a No connect on the SX1262 module
+#define LORA_RESET RADIOLIB_NC
+#define LORA_DIO1 33 // SX1262 IRQ - FIXME, attach to gpio4/IRQ with linux spidev
+#define LORA_DIO2 32 // SX1262 BUSY - FIXME, misassigned in schematic?
+#define LORA_DIO3    // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
+
+#ifdef USE_SX1262
+#define SX1262_CS 20 // FIXME - we need to assign a pinetab CS GPIO binding (so host can manually control it wrt BUSY)
+#define SX1262_DIO1 LORA_DIO1
+#define SX1262_BUSY LORA_DIO2
+#define SX1262_RESET LORA_RESET
+#define SX1262_E22 // Seems to be an E22 clone
+#endif
+
 #endif
 
 // DEBUG LED

src/mesh/RF95Interface.h

@@ -14,7 +14,6 @@ class RF95Interface : public RadioLibInterface
   public:
     RF95Interface(RADIOLIB_PIN_TYPE cs, RADIOLIB_PIN_TYPE irq, RADIOLIB_PIN_TYPE rst, SPIClass &spi);
 
-    /// Some boards (Pinetab Lora module) have broken IRQ wires, so we need to poll via i2c registers
     bool isIRQPending() { return lora->getPendingIRQ(); }
 
     /// Initialise the Driver transport hardware and software.

src/mesh/RadioInterface.h

@@ -151,6 +151,9 @@ class RadioInterface
      */
     float getFreq();
 
+    /// Some boards (1st gen Pinetab Lora module) have broken IRQ wires, so we need to poll via i2c registers
+    virtual bool isIRQPending() { return false; }
+
   protected:
     int8_t power = 17; // Set by applyModemConfig()
 

src/mesh/SX1262Interface.h

@@ -25,6 +25,8 @@ class SX1262Interface : public RadioLibInterface
     /// Prepare hardware for sleep.  Call this _only_ for deep sleep, not needed for light sleep.
     virtual bool sleep();
 
+    bool isIRQPending() { return lora.getIrqStatus() != 0; }
+
   protected:
     /**
      * Glue functions called from ISR land

src/portduino/PortduinoGlue.cpp

@@ -44,10 +44,10 @@ void updateBatteryLevel(uint8_t level) NOT_IMPLEMENTED("updateBatteryLevel");
  *
  * Porduino helper class to do this i2c based polling:
  */
-class R595PolledIrqPin : public GPIOPin
+class PolledIrqPin : public GPIOPin
 {
   public:
-    R595PolledIrqPin() : GPIOPin(LORA_DIO0, "LORA_DIO0") {}
+    PolledIrqPin() : GPIOPin(LORA_DIO0, "LORA_DIO0") {}
 
     /// Read the low level hardware for this pin
     virtual PinStatus readPinHardware()
@@ -58,9 +58,9 @@ class R595PolledIrqPin : public GPIOPin
             extern RadioInterface *rIf; // FIXME, temporary hack until we know if we need to keep this
 
             assert(rIf);
-            RF95Interface *rIf95 = static_cast<RF95Interface *>(rIf);
-            bool p = rIf95->isIRQPending();
-            // log(SysGPIO, LogDebug, "R595PolledIrqPin::readPinHardware(%s, %d, %d)", getName(), getPinNum(), p);
+            bool p = rIf->isIRQPending();
+            if(p)
+                log(SysGPIO, LogDebug, "R595PolledIrqPin::readPinHardware(%s, %d, %d)", getName(), getPinNum(), p);
             return p ? HIGH : LOW;
         }
     }
@@ -74,8 +74,8 @@ void portduinoSetup()
 {
     printf("Setting up Meshtastic on Porduino...\n");
 
-    // FIXME: disable while not testing with real hardware
-    // gpioBind(new R595PolledIrqPin());
+    // FIXME: remove this hack once interrupts are confirmed to work on new pine64 board
+    gpioBind(new PolledIrqPin());
 
     // gpioBind((new SimGPIOPin(LORA_RESET, "LORA_RESET")));
     // gpioBind((new SimGPIOPin(RF95_NSS, "RF95_NSS"))->setSilent());