diff options
Diffstat (limited to 'src/drivers/ao_radio_spi.h')
| -rw-r--r-- | src/drivers/ao_radio_spi.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/drivers/ao_radio_spi.h b/src/drivers/ao_radio_spi.h new file mode 100644 index 00000000..2957f70d --- /dev/null +++ b/src/drivers/ao_radio_spi.h @@ -0,0 +1,58 @@ +/* + * Copyright © 2012 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_RADIO_SPI_H_ +#define _AO_RADIO_SPI_H_ + +#define AO_RADIO_SPI_RECV 0 +#define AO_RADIO_SPI_RECV_ABORT 1 +#define AO_RADIO_SPI_RECV_FETCH 2 +#define AO_RADIO_SPI_SEND 3 + +#define AO_RADIO_SPI_CMAC_KEY 4 +#define AO_RADIO_SPI_CMAC_RECV 5 +#define AO_RADIO_SPI_CMAC_SEND 6 + +#define AO_RADIO_SPI_TEST_ON 7 +#define AO_RADIO_SPI_TEST_OFF 8 + +#define AO_RADIO_SPI_MAX_PAYLOAD 128 + +struct ao_radio_spi_request { + uint8_t len; /* required to be first by cc1111 DMA engine */ + uint8_t request; + uint8_t recv_len; + uint8_t pad; + uint32_t setting; + uint16_t timeout; + uint8_t payload[AO_RADIO_SPI_MAX_PAYLOAD]; +}; + +#define AO_RADIO_SPI_REQUEST_HEADER_LEN (sizeof (struct ao_radio_spi_request) - AO_RADIO_SPI_MAX_PAYLOAD) + +struct ao_radio_spi_reply { + uint8_t status; + int8_t rssi; + uint8_t payload[AO_RADIO_SPI_MAX_PAYLOAD]; +}; + +#define AO_RADIO_SPI_REPLY_HEADER_LEN (sizeof (struct ao_radio_spi_reply) - AO_RADIO_SPI_MAX_PAYLOAD) + +void +ao_radio_slave_init(void); + +#endif /* _AO_RADIO_SPI_H_ */ |