8000 Add stub for analogReference by earlephilhower · Pull Request #7809 · esp8266/Arduino · GitHub
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Add stub for analogReference #7809

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Merged
merged 2 commits into from
Jan 8, 2021
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Add stub for analogReference #7809

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d3b7b5d
Add stub for analogReference
earlephilhower Jan 5, 2021
b812c4e
Merge branch 'master' into analogref
earlephilhower Jan 8, 2021
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Add stub for analogReference 
Fixes #6410

We actually provide a function prototype for `analogReference()` in
`Arduino.h`, but no implementation.  Add a dummy one that only supports
DEFAULT (like other Arduino boards).
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@earlephilhower
earlephilhower committed Jan 5, 2021
commit d3b7b5d81b28601e833264f9f5e76b776d4b3b4f
12 changes: 12 additions & 0 deletions cores/esp8266/core_esp8266_wiring_analog.cpp
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Expand Up @@ -39,4 +39,16 @@ extern int __analogRead(uint8_t pin)

extern int analogRead(uint8_t pin) __attribute__ ((weak, alias("__analogRead")));


void __analogReference(uint8_t mode)
{
// Only DEFAULT is supported on the ESP8266
if (mode != DEFAULT) {
DEBUGV("analogReference called with illegal mode");
}
}


extern void analogReference(uint8_t mode) __attribute__ ((weak, alias("__analogReference")));

};
0