Mercurial > louis > kiibohd-controller
view Lib/delay.h @ 70:23600aaa5e15
Adding initial Teensy 3 support, compiles, but not fully functional yet.
- CDC Output seems to be working
- USB Keyboard output has not been tested, but is "ready"
- UART and Timers have not been tested, or fully utilized
- Issues using Timer 0
- Initial template for MBC-55X Scan module (only module currently compatible with the arm build)
- Updated the interface to the AVR usb module for symmetry with the ARM usb module
- Much gutting was done to the Teensy 3 usb keyboard module, though not in an ideal state yet
author | Jacob Alexander <triplehaata@gmail.com> |
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date | Sun, 27 Jan 2013 01:47:52 -0500 |
parents | |
children | 6ac92b8614c0 |
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#ifndef __DELAY_H #define __DELAY_H #include <stdint.h> // Convenience Macros, for delay compatibility with AVR-GCC #define _delay_ms(val) delay( val ) #define _delay_us(val) delayMicroseconds( val ) // the systick interrupt is supposed to increment this at 1 kHz rate extern volatile uint32_t systick_millis_count; static inline uint32_t millis(void) __attribute__((always_inline, unused)); static inline uint32_t millis(void) { return systick_millis_count; // single aligned 32 bit is atomic; } static inline void delayMicroseconds(uint32_t) __attribute__((always_inline, unused)); static inline void delayMicroseconds(uint32_t usec) { #if F_CPU == 96000000 uint32_t n = usec << 5; #elif F_CPU == 48000000 uint32_t n = usec << 4; #elif F_CPU == 24000000 uint32_t n = usec << 3; #endif asm volatile( "L_%=_delayMicroseconds:" "\n\t" "subs %0, #1" "\n\t" "bne L_%=_delayMicroseconds" "\n" : "+r" (n) : ); } void yield(void) __attribute__ ((weak)); uint32_t micros(void); void delay(uint32_t ms); #endif