diff options
| author | Joey Castillo <joeycastillo@utexas.edu> | 2022-01-26 22:39:09 -0500 |
|---|---|---|
| committer | Joey Castillo <joeycastillo@utexas.edu> | 2022-01-26 22:40:49 -0500 |
| commit | 523a5d2f0b3f0d79b16784470870935313dd5775 (patch) | |
| tree | b7631b071432bba90eb14aa9540f97c01c5503ac /watch-library/hardware/watch/watch_spi.c | |
| parent | b2dbc4feeb48697fbbdbb7740b6db552a45b3c02 (diff) | |
| download | Sensor-Watch-523a5d2f0b3f0d79b16784470870935313dd5775.tar.gz Sensor-Watch-523a5d2f0b3f0d79b16784470870935313dd5775.tar.bz2 Sensor-Watch-523a5d2f0b3f0d79b16784470870935313dd5775.zip | |
implement SPI flash chip
Diffstat (limited to 'watch-library/hardware/watch/watch_spi.c')
| -rw-r--r-- | watch-library/hardware/watch/watch_spi.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/watch-library/hardware/watch/watch_spi.c b/watch-library/hardware/watch/watch_spi.c index df68bbaa..8cdebb08 100644 --- a/watch-library/hardware/watch/watch_spi.c +++ b/watch-library/hardware/watch/watch_spi.c @@ -37,10 +37,18 @@ void watch_disable_spi(void) { spi_io = NULL; } -void watch_spi_send(uint8_t *buf, uint16_t length) { - io_write(spi_io, buf, length); +bool watch_spi_write(const uint8_t *buf, uint16_t length) { + return !!io_write(spi_io, buf, length); } -void watch_spi_receive(uint8_t *buf, uint16_t length) { - io_read(spi_io, buf, length); +bool watch_spi_read(uint8_t *buf, uint16_t length) { + return !!io_read(spi_io, buf, length); +} + +bool watch_spi_transfer(const uint8_t *data_out, uint8_t *data_in, uint16_t length) { + struct spi_xfer xfer; + xfer.txbuf = (uint8_t *)data_out; + xfer.rxbuf = data_in; + xfer.size = length; + return !!spi_m_sync_transfer(&SPI_0, &xfer); } |