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-rw-r--r--platforms/avr/drivers/analog.c23
-rw-r--r--platforms/avr/drivers/analog.h1
2 files changed, 0 insertions, 24 deletions
diff --git a/platforms/avr/drivers/analog.c b/platforms/avr/drivers/analog.c
index 8d299ffdb..628835cce 100644
--- a/platforms/avr/drivers/analog.c
+++ b/platforms/avr/drivers/analog.c
@@ -23,29 +23,6 @@ static uint8_t aref = ADC_REF_POWER;
23 23
24void analogReference(uint8_t mode) { aref = mode & (_BV(REFS1) | _BV(REFS0)); } 24void analogReference(uint8_t mode) { aref = mode & (_BV(REFS1) | _BV(REFS0)); }
25 25
26// Arduino compatible pin input
27int16_t analogRead(uint8_t pin) {
28#if defined(__AVR_ATmega32U4__)
29 // clang-format off
30 static const uint8_t PROGMEM pin_to_mux[] = {
31 //A0 A1 A2 A3 A4 A5
32 //F7 F6 F5 F4 F1 F0
33 0x07, 0x06, 0x05, 0x04, 0x01, 0x00,
34 //A6 A7 A8 A9 A10 A11
35 //D4 D7 B4 B5 B6 D6
36 0x20, 0x22, 0x23, 0x24, 0x25, 0x21
37 };
38 // clang-format on
39 if (pin >= 12) return 0;
40 return adc_read(pgm_read_byte(pin_to_mux + pin));
41#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
42 if (pin >= 8) return 0;
43 return adc_read(pin);
44#else
45 return 0;
46#endif
47}
48
49int16_t analogReadPin(pin_t pin) { return adc_read(pinToMux(pin)); } 26int16_t analogReadPin(pin_t pin) { return adc_read(pinToMux(pin)); }
50 27
51uint8_t pinToMux(pin_t pin) { 28uint8_t pinToMux(pin_t pin) {
diff --git a/platforms/avr/drivers/analog.h b/platforms/avr/drivers/analog.h
index 058882450..b3c05e197 100644
--- a/platforms/avr/drivers/analog.h
+++ b/platforms/avr/drivers/analog.h
@@ -23,7 +23,6 @@
23extern "C" { 23extern "C" {
24#endif 24#endif
25void analogReference(uint8_t mode); 25void analogReference(uint8_t mode);
26int16_t analogRead(uint8_t pin);
27 26
28int16_t analogReadPin(pin_t pin); 27int16_t analogReadPin(pin_t pin);
29uint8_t pinToMux(pin_t pin); 28uint8_t pinToMux(pin_t pin);