diff options
Diffstat (limited to 'include/spi.h')
| -rw-r--r-- | include/spi.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/include/spi.h b/include/spi.h index 04ea726..1052569 100644 --- a/include/spi.h +++ b/include/spi.h @@ -1,8 +1,7 @@ /* - * spi.h + * (C) Copyright 2009,2014 Leo C. <erbl259-lmu@yahoo.de> * - * Created on: 17.04.2009 - * Author: leo + * SPDX-License-Identifier: GPL-2.0+ */ #ifndef SPI_H_ @@ -27,10 +26,11 @@ #define SPI_SET_SPEED_F_128 do {SPCR = (1<<SPE) | (1<<MSTR) | (1<<SPR1) | (1<<SPR0); SPSR = (0<<SPI2X); } while(0) /** switch to fast SPI Clock */ -#define SPISetFastClock() SPI_SET_SPEED_F_2 -#define SPISetSlowClock() SPI_SET_SPEED_F_8 -#define SPISetMMCInitClock() SPI_SET_SPEED_F_64 +#define SPISetFastClock() SPI_SET_SPEED_F_2 +#define SPISetSlowClock() SPI_SET_SPEED_F_8 +#define SPISetMMCInitClock() SPI_SET_SPEED_F_64 +#define SPI_OFF() do { SPCR = 0; } while(0) static inline void spi_wait() { loop_until_bit_is_set(SPSR,SPIF); |