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| author | Kevin O'Connor <kevin@koconnor.net> | 2018-05-04 12:27:52 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2018-05-07 09:10:34 -0400 |
| commit | 22487d95e9b9b0ada171c72df5f5fbb3f3985724 (patch) | |
| tree | 504aab38c166e18c0af7580b53d57a70e3788e52 /src/avr/gpio.h | |
| parent | 838da992e80808ad396a2a9afe119419935d9b56 (diff) | |
| download | kutter-22487d95e9b9b0ada171c72df5f5fbb3f3985724.tar.gz kutter-22487d95e9b9b0ada171c72df5f5fbb3f3985724.tar.xz kutter-22487d95e9b9b0ada171c72df5f5fbb3f3985724.zip | |
spicmds: Rework SPI message transmission
Improve the SPI message transmit system. Add support for bus speed
and bus mode. Add support for sending SPI messages on shutdown.
Signed-off-by: Petri Honkala <cruwaller@gmail.com>
Signed-off-by: Douglas Hammond <wizhippo@gmail.com>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/avr/gpio.h')
| -rw-r--r-- | src/avr/gpio.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/avr/gpio.h b/src/avr/gpio.h index 4eb37204..6e12efe0 100644 --- a/src/avr/gpio.h +++ b/src/avr/gpio.h @@ -34,7 +34,11 @@ uint32_t gpio_adc_sample(struct gpio_adc g); uint16_t gpio_adc_read(struct gpio_adc g); void gpio_adc_cancel_sample(struct gpio_adc g); -void spi_config(void); -void spi_transfer(char *data, uint8_t len); +struct spi_config { + uint8_t spcr, spsr; +}; +struct spi_config spi_setup(uint32_t bus, uint8_t mode, uint32_t rate); +void spi_transfer(struct spi_config config, uint8_t receive_data + , uint8_t len, uint8_t *data); #endif // gpio.h |