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| Original file line number | Diff line number | Diff line change |
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@@ -94,6 +94,9 @@ | |
| }, | ||
| { | ||
| "name": "WiFiduino" | ||
| }, | ||
| { | ||
| "name": "Amperka WiFi Slot" | ||
| } | ||
| ], | ||
| "toolsDependencies": [ | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| #include "wiring_private.h" | ||
| #include "pins_arduino.h" | ||
|
|
||
| extern "C" int __analogRead(uint8_t pin); | ||
|
|
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| extern "C" int analogRead(uint8_t pin) { | ||
|
|
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| static uint8_t currentAin = 0; | ||
|
|
||
| delay(0); | ||
| if (pin >= ANALOG_INPUT_HARDWARE) { | ||
| return 0; | ||
| } | ||
| uint8_t ain = analog_pin_to_mux_channel[pin]; | ||
| if (ain == (uint8_t)NOT_A_PIN) { | ||
| return 0; | ||
| } | ||
| if (currentAin > ain) { | ||
| for (int i = 0; i < (8 - currentAin); ++i) | ||
| { | ||
| digitalWrite(ANALOG_INPUT_SELECTOR_PIN, HIGH); | ||
| digitalWrite(ANALOG_INPUT_SELECTOR_PIN, LOW); | ||
| digitalWrite(ANALOG_INPUT_SELECTOR_PIN, HIGH); | ||
| digitalWrite(ANALOG_INPUT_SELECTOR_PIN, LOW); | ||
| } | ||
| currentAin = 0; | ||
| } | ||
| for (int i = currentAin; i < ain; ++i) | ||
| { | ||
| digitalWrite(ANALOG_INPUT_SELECTOR_PIN, HIGH); | ||
| digitalWrite(ANALOG_INPUT_SELECTOR_PIN, LOW); | ||
| digitalWrite(ANALOG_INPUT_SELECTOR_PIN, HIGH); | ||
| digitalWrite(ANALOG_INPUT_SELECTOR_PIN, LOW); | ||
| } | ||
| currentAin = ain; | ||
| return __analogRead(ANALOG_INPUT_HARDWARE); | ||
| } | ||
|
|
||
| void initVariant() { | ||
| // we need to reset analog mux. When ANALOG_INPUT_SELECTOR_PIN is high | ||
| // on ~0.4 ms, mux channel is becoming 0. | ||
| // Mux channel is swithing on back \_ front. But there is no switching | ||
| // - rc reset is still high when ANALOG_INPUT_SELECTOR_PIN became low | ||
| uint16_t resetDelay = 777; | ||
| pinMode(ANALOG_INPUT_SELECTOR_PIN, OUTPUT); | ||
| digitalWrite(ANALOG_INPUT_SELECTOR_PIN, HIGH); | ||
| delayMicroseconds(resetDelay); | ||
| digitalWrite(ANALOG_INPUT_SELECTOR_PIN, LOW); | ||
| delayMicroseconds(resetDelay); | ||
| } |
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