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_ARCH_FUNCS_H_
19 #define _AO_ARCH_FUNCS_H_
23 extern uint8_t ao_spi_mutex[STM_NUM_SPI];
26 ao_spi_get(uint8_t spi_index);
29 ao_spi_put(uint8_t spi_index);
32 ao_spi_send(void *block, uint16_t len, uint8_t spi_index);
35 ao_spi_recv(void *block, uint16_t len, uint8_t spi_index);
43 extern uint8_t ao_dma_done[STM_NUM_DMA];
46 ao_dma_set_transfer(uint8_t index,
47 volatile void *peripheral,
53 ao_dma_set_isr(uint8_t index, void (*isr)(void));
56 ao_dma_start(uint8_t index);
59 ao_dma_done_transfer(uint8_t index);
62 ao_dma_abort(uint8_t index);
65 ao_dma_alloc(uint8_t index);
70 #endif /* _AO_ARCH_FUNCS_H_ */