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/*
* 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_ */
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