diff options
Diffstat (limited to 'watch-library/hardware/watch/watch_spi.c')
-rw-r--r-- | watch-library/hardware/watch/watch_spi.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/watch-library/hardware/watch/watch_spi.c b/watch-library/hardware/watch/watch_spi.c new file mode 100644 index 00000000..df68bbaa --- /dev/null +++ b/watch-library/hardware/watch/watch_spi.c @@ -0,0 +1,46 @@ +/* + * MIT License + * + * Copyright (c) 2022 Joey Castillo + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "watch_spi.h" + +struct io_descriptor *spi_io; + +void watch_enable_spi(void) { + SPI_0_init(); + spi_m_sync_get_io_descriptor(&SPI_0, &spi_io); + spi_m_sync_enable(&SPI_0); +} + +void watch_disable_spi(void) { + spi_m_sync_disable(&SPI_0); + spi_io = NULL; +} + +void watch_spi_send(uint8_t *buf, uint16_t length) { + io_write(spi_io, buf, length); +} + +void watch_spi_receive(uint8_t *buf, uint16_t length) { + io_read(spi_io, buf, length); +} |