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; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
19 #ifndef _AO_RADIO_SPI_H_
20 #define _AO_RADIO_SPI_H_
22 #define AO_RADIO_SPI_RECV 0
23 #define AO_RADIO_SPI_RECV_ABORT 1
24 #define AO_RADIO_SPI_RECV_FETCH 2
25 #define AO_RADIO_SPI_SEND 3
27 #define AO_RADIO_SPI_CMAC_KEY 4
28 #define AO_RADIO_SPI_CMAC_RECV 5
29 #define AO_RADIO_SPI_CMAC_SEND 6
31 #define AO_RADIO_SPI_TEST_ON 7
32 #define AO_RADIO_SPI_TEST_OFF 8
34 #define AO_RADIO_SPI_MAX_PAYLOAD 128
36 struct ao_radio_spi_request {
37 uint8_t len; /* required to be first by cc1111 DMA engine */
43 uint8_t payload[AO_RADIO_SPI_MAX_PAYLOAD];
46 #define AO_RADIO_SPI_REQUEST_HEADER_LEN (sizeof (struct ao_radio_spi_request) - AO_RADIO_SPI_MAX_PAYLOAD)
48 struct ao_radio_spi_reply {
51 uint8_t payload[AO_RADIO_SPI_MAX_PAYLOAD];
54 #define AO_RADIO_SPI_REPLY_HEADER_LEN (sizeof (struct ao_radio_spi_reply) - AO_RADIO_SPI_MAX_PAYLOAD)
57 ao_radio_slave_init(void);
59 #endif /* _AO_RADIO_SPI_H_ */