diff options
Diffstat (limited to 'chip/g/sps.h')
| -rw-r--r-- | chip/g/sps.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/chip/g/sps.h b/chip/g/sps.h index f92d083ae8..c4c96d77df 100644 --- a/chip/g/sps.h +++ b/chip/g/sps.h @@ -16,6 +16,15 @@ #include <stdint.h> #include <stddef.h> +#include "spi.h" + +/* SPS Control Mode */ +enum sps_mode { + SPS_GENERIC_MODE = 0, + SPS_SWETLAND_MODE = 1, + SPS_ROM_MODE = 2, + SPS_UNDEF_MODE = 3, +}; /** * Every RX byte simultaneously sends a TX byte, no matter what. This @@ -44,16 +53,24 @@ int sps_transmit(uint8_t *data, size_t data_size); * * The handler is also called when the chip select deasserts, in case any * cleanup is required. + * + * @param data Pointer to the incoming data, in its buffer + * @param data_size Number of new bytes visible without wrapping + * @param cs_enabled True if the chip select is still enabled */ -typedef void (*rx_handler_fn)(uint8_t *data, size_t data_size, int cs_status); +typedef void (*rx_handler_fn)(uint8_t *data, size_t data_size, int cs_enabled); /** * Register the RX handler function. This will reset and disable the RX FIFO, * replace any previous handler, then enable the RX FIFO. * + * @param m_spi SPI clock polarity and phase + * @param m_sps SPS interface protocol * @param func RX handler function */ -void sps_register_rx_handler(rx_handler_fn func); +void sps_register_rx_handler(enum spi_clock_mode m_spi, + enum sps_mode m_sps, + rx_handler_fn func); /** * Unregister the RX handler. This will reset and disable the RX FIFO. |