diff options
author | David A. Mellis <d.mellis@arduino.cc> | 2011-02-18 10:41:29 -0500 |
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committer | David A. Mellis <d.mellis@arduino.cc> | 2011-02-18 10:41:29 -0500 |
commit | 860c6f203103f329d192547c4f62ff2471f99b43 (patch) | |
tree | cef1d63cc3361f6ad0be727b8248d181edccded3 /cores/arduino/pins_arduino.h | |
parent | 63515122ca28d9a60e6aba2948fb01765ca1138e (diff) |
Revert "Changes to optimized digitalWrte(), etc."
This reverts commit aa1f1cbda9d6bb52785f98b40746920853d6579b.
Diffstat (limited to 'cores/arduino/pins_arduino.h')
-rw-r--r-- | cores/arduino/pins_arduino.h | 46 |
1 files changed, 42 insertions, 4 deletions
diff --git a/cores/arduino/pins_arduino.h b/cores/arduino/pins_arduino.h index 4bf6470..63f4257 100644 --- a/cores/arduino/pins_arduino.h +++ b/cores/arduino/pins_arduino.h @@ -339,8 +339,6 @@ INLINED uint8_t inlined_digitalPinToBitMask(uint8_t pin) } } -// XXX: this needs to return false (or -1) if the pin doesn't have a timer, -// rather than throwing a compilation error. INLINED uint8_t inlined_digitalPinToTimer(uint8_t pin) { switch(pin) { @@ -455,8 +453,6 @@ INLINED uint8_t inlined_digitalPinToBitMask(uint8_t pin) } } -// XXX: this needs to return false (or -1) if the pin doesn't have a timer, -// rather than throwing a compilation error. INLINED uint8_t inlined_digitalPinToTimer(uint8_t pin) { switch(pin) { @@ -481,4 +477,46 @@ INLINED uint8_t inlined_digitalPinToTimer(uint8_t pin) #define analogInPinToBit(P) (P) +INLINED uint8_t digitalPinToPort(uint8_t pin) { + if (__builtin_constant_p(pin)) + return inlined_digitalPinToPort(pin); + else + return pgm_read_byte( digital_pin_to_port_PGM + pin ); +} + +INLINED uint8_t digitalPinToBitMask(uint8_t pin) { + if (__builtin_constant_p(pin)) + return inlined_digitalPinToBitMask(pin); + else + return pgm_read_byte( digital_pin_to_bit_mask_PGM + pin ); +} + +INLINED uint8_t digitalPinToTimer(uint8_t pin) { + if (__builtin_constant_p(pin)) + return inlined_digitalPinToTimer(pin); + else + return pgm_read_byte( digital_pin_to_timer_PGM + pin ); +} + +INLINED volatile uint8_t *portOutputRegister(uint8_t index) { + if (__builtin_constant_p(index)) + return inlined_portOutputRegister(index); + else + return (volatile uint8_t *)( pgm_read_word( port_to_output_PGM + index ) ); +} + +INLINED volatile uint8_t* portInputRegister(uint8_t index) { + if (__builtin_constant_p(index)) + return inlined_portInputRegister(index); + else + return (volatile uint8_t *)( pgm_read_word( port_to_input_PGM + index) ); +} + +INLINED volatile uint8_t* portModeRegister(uint8_t index) { + if (__builtin_constant_p(index)) + return inlined_portModeRegister(index); + else + return (volatile uint8_t *)( pgm_read_word( port_to_mode_PGM + index) ); +} + #endif |