diff options
| author | Keith Packard <keithp@keithp.com> | 2014-12-22 17:27:09 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2014-12-22 17:27:09 -0800 |
| commit | 2a053d3d157e00b6a6406f4f78ddb8e298b6c4b7 (patch) | |
| tree | 4c70f6bb4c5d99509ef1dbf454f65cddb89dfbc9 /src/lpc/ao_arch.h | |
| parent | 213a6604ec225e843f30244e6f94d0ebb3d27e46 (diff) | |
altos/lpc: Switch LPC SPI driver to interrupt-drivenbdale-altosdroid
This improves performance for SPI transfers, while allowing other
tasks to get work done during longer SPI transfers.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/lpc/ao_arch.h')
| -rw-r--r-- | src/lpc/ao_arch.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/lpc/ao_arch.h b/src/lpc/ao_arch.h index 5fbb8dfa..42faf06f 100644 --- a/src/lpc/ao_arch.h +++ b/src/lpc/ao_arch.h @@ -130,12 +130,15 @@ ao_serial_init(void); /* SPI definitions */ #define AO_SPI_SPEED_12MHz 4 +#define AO_SPI_SPEED_8MHz 6 #define AO_SPI_SPEED_6MHz 8 #define AO_SPI_SPEED_4MHz 12 #define AO_SPI_SPEED_2MHz 24 #define AO_SPI_SPEED_1MHz 48 #define AO_SPI_SPEED_500kHz 96 #define AO_SPI_SPEED_250kHz 192 +#define AO_SPI_SPEED_125kHz 384 +#define AO_SPI_SPEED_62500Hz 768 #define AO_SPI_SPEED_FAST AO_SPI_SPEED_12MHz |