2 * Copyright © 2012 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 #ifndef _AO_RADIO_SPI_H_
19 #define _AO_RADIO_SPI_H_
21 #define AO_RADIO_SPI_RECV 0
22 #define AO_RADIO_SPI_RECV_ABORT 1
23 #define AO_RADIO_SPI_RECV_FETCH 2
24 #define AO_RADIO_SPI_SEND 3
26 #define AO_RADIO_SPI_CMAC_KEY 4
27 #define AO_RADIO_SPI_CMAC_RECV 5
28 #define AO_RADIO_SPI_CMAC_SEND 6
30 #define AO_RADIO_SPI_TEST_ON 7
31 #define AO_RADIO_SPI_TEST_OFF 8
33 #define AO_RADIO_SPI_MAX_PAYLOAD 128
35 struct ao_radio_spi_request {
36 uint8_t len; /* required to be first by cc1111 DMA engine */
42 uint8_t payload[AO_RADIO_SPI_MAX_PAYLOAD];
45 #define AO_RADIO_SPI_REQUEST_HEADER_LEN (sizeof (struct ao_radio_spi_request) - AO_RADIO_SPI_MAX_PAYLOAD)
47 struct ao_radio_spi_reply {
50 uint8_t payload[AO_RADIO_SPI_MAX_PAYLOAD];
53 #define AO_RADIO_SPI_REPLY_HEADER_LEN (sizeof (struct ao_radio_spi_reply) - AO_RADIO_SPI_MAX_PAYLOAD)
56 ao_radio_slave_init(void);
58 #endif /* _AO_RADIO_SPI_H_ */