Remove Arduino-style analogRead()
(#14348)
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2 changed files with 0 additions and 24 deletions
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@ -23,29 +23,6 @@ static uint8_t aref = ADC_REF_POWER;
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void analogReference(uint8_t mode) { aref = mode & (_BV(REFS1) | _BV(REFS0)); }
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// Arduino compatible pin input
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int16_t analogRead(uint8_t pin) {
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#if defined(__AVR_ATmega32U4__)
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// clang-format off
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static const uint8_t PROGMEM pin_to_mux[] = {
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//A0 A1 A2 A3 A4 A5
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//F7 F6 F5 F4 F1 F0
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0x07, 0x06, 0x05, 0x04, 0x01, 0x00,
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//A6 A7 A8 A9 A10 A11
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//D4 D7 B4 B5 B6 D6
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0x20, 0x22, 0x23, 0x24, 0x25, 0x21
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};
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// clang-format on
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if (pin >= 12) return 0;
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return adc_read(pgm_read_byte(pin_to_mux + pin));
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#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
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if (pin >= 8) return 0;
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return adc_read(pin);
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#else
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return 0;
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#endif
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}
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int16_t analogReadPin(pin_t pin) { return adc_read(pinToMux(pin)); }
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uint8_t pinToMux(pin_t pin) {
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@ -23,7 +23,6 @@
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extern "C" {
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#endif
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void analogReference(uint8_t mode);
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int16_t analogRead(uint8_t pin);
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int16_t analogReadPin(pin_t pin);
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uint8_t pinToMux(pin_t pin);
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