altos-avr: Add SPI-slave companion support

[fw/altos] / src-avr / ao.h

diff --git a/src-avr/ao.h b/src-avr/ao.h
index ecb334641b777a0409d6924077ec0d1fb87d2374..c548c618f87edc6281cb65adc9298bdf442d7e0b 100644 (file)
--- a/src-avr/ao.h
+++ b/src-avr/ao.h
@@ -1421,4 +1421,33 @@ ao_btm_init(void);
 void
 ao_debug_init(void);
 
+/* ao_spi_slave.c */
+
+void
+ao_spi_slave_read(uint8_t *data, int len);
+
+void
+ao_spi_slave_write(uint8_t *data, int len);
+
+void
+ao_spi_slave_init(void);
+
+/* ao_companion.c */
+
+#define AO_COMPANION_SETUP             1
+#define AO_COMPANION_FETCH             2
+
+struct ao_companion_command {
+       uint8_t         command;
+       uint8_t         flight_state;
+       uint16_t        tick;
+};
+
+struct ao_companion_setup {
+       uint16_t        board_id;
+       uint16_t        board_id_inverse;
+       uint8_t         update_period;
+       uint8_t         channels;
+};
+
 #endif /* _AO_H_ */