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Add functions for direct IO register access

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This commit is contained in:
Ivan Grokhotkov
2015-01-26 02:08:26 +03:00
parent fba488ac6d
commit 811031cbd6
2 changed files with 31 additions and 3 deletions
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8
cores/esp8266/Arduino.h
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@ -137,10 +137,12 @@ void loop(void);
// Get the bit location within the hardware port of the given virtual pin.
// This comes from the pins_*.c file for the active board configuration.
uint32_t digitalPinToPort(uint32_t pin);
uint32_t digitalPinToBitMask(uint32_t pin);
#define analogInPinToBit(P) (P)
// On the ATmega1280, the addresses of some of the port registers are
// greater than 255, so we can't store them in uint8_t's.
volatile uint32_t* portOutputRegister(uint32_t port);
volatile uint32_t* portInputRegister(uint32_t port);
volatile uint32_t* portModeRegister(uint32_t port);
#define NOT_A_PIN 0