backport: variants from 3.0.0 + fixes (espressif#9381)

* feat: backport variants from 3.0.0

* heltec update from espressif#9367

Author: SuGlider

boards.txt

@@ -23471,7 +23471,7 @@ unphone8.build.partitions=default_8MB
 unphone8.build.defines=-DBOARD_HAS_PSRAM -DUNPHONE_SPIN=8
 unphone8.build.loop_core=-DARDUINO_RUNNING_CORE=1
 unphone8.build.event_core=-DARDUINO_EVENT_RUNNING_CORE=1
-unphone8.build.flash_type=qspi
+unphone8.build.flash_type=qio
 unphone8.build.psram_type=qspi
 unphone8.build.memory_type={build.flash_type}_{build.psram_type}
 

cores/esp32/Arduino.h

@@ -129,6 +129,18 @@
 #define NOT_AN_INTERRUPT -1
 #define NOT_ON_TIMER 0
 
+// some defines generic for all SoC moved from variants/board_name/pins_arduino.h
+#define NUM_DIGITAL_PINS        SOC_GPIO_PIN_COUNT // All GPIOs
+#if SOC_ADC_PERIPH_NUM == 1
+#define NUM_ANALOG_INPUTS       (SOC_ADC_CHANNEL_NUM(0))
+#elif SOC_ADC_PERIPH_NUM == 2
+#define NUM_ANALOG_INPUTS       (SOC_ADC_CHANNEL_NUM(0)+SOC_ADC_CHANNEL_NUM(1))
+#endif
+#define EXTERNAL_NUM_INTERRUPTS NUM_DIGITAL_PINS  // All GPIOs
+#define analogInputToDigitalPin(p)  (((p)<NUM_ANALOG_INPUTS)?(analogChannelToDigitalPin(p)):-1)
+#define digitalPinToInterrupt(p)    ((((uint8_t)digitalPinToGPIONumber(p))<NUM_DIGITAL_PINS)?digitalPinToGPIONumber(p):NOT_AN_INTERRUPT)
+#define digitalPinHasPWM(p)         (((uint8_t)digitalPinToGPIONumber(p))<NUM_DIGITAL_PINS)
+
 typedef bool boolean;
 typedef uint8_t byte;
 typedef unsigned int word;