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author | Joey Castillo <joeycastillo@utexas.edu> | 2022-01-27 10:51:15 -0500 |
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committer | Joey Castillo <joeycastillo@utexas.edu> | 2022-01-27 10:51:15 -0500 |
commit | 14e4562b7a44ab6882180b69145665d4920769ac (patch) | |
tree | 89506572890224a498383b748d620e80839208c3 /watch-library/shared/watch/watch_spi.h | |
parent | 29fa6052831f8d26815405d4652b5799e3c74147 (diff) | |
download | Sensor-Watch-14e4562b7a44ab6882180b69145665d4920769ac.tar.gz Sensor-Watch-14e4562b7a44ab6882180b69145665d4920769ac.tar.bz2 Sensor-Watch-14e4562b7a44ab6882180b69145665d4920769ac.zip |
add SPI to the index
Diffstat (limited to 'watch-library/shared/watch/watch_spi.h')
-rw-r--r-- | watch-library/shared/watch/watch_spi.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/watch-library/shared/watch/watch_spi.h b/watch-library/shared/watch/watch_spi.h index b72b0e0b..ae0554b6 100644 --- a/watch-library/shared/watch/watch_spi.h +++ b/watch-library/shared/watch/watch_spi.h @@ -56,8 +56,9 @@ bool watch_spi_write(const uint8_t *buf, uint16_t length); bool watch_spi_read(uint8_t *buf, uint16_t length); /** @brief Reads a series of values from a device on the SPI bus. - * @param buf Storage for the incoming bytes; on return, it will contain the received data. - * @param length The number of bytes that you wish to receive. + * @param data_out Storage for outgoing bytes. + * @param data_in Storage for incoming bytes. + * @param length The number of bytes to transfer. * @note This function does not manage the chip select pin (usually A3). */ bool watch_spi_transfer(const uint8_t *data_out, uint8_t *data_in, uint16_t length); |