12345678910111213141516171819202122232425262728293031323334353637383940414243 |
- /*
- * SPI - unified FLASH and SD Card SPI driver
- *
- * Copyright (c) 2009 Openmoko Inc.
- *
- * Authors Christopher Hall <hsw@openmoko.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, either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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, see <http://www.gnu.org/licenses/>.
- */
- #if !defined(_SPI_H_)
- #define _SPI_H_ 1
- void SPI_initialise(void);
- typedef enum {
- SPI_SELECT_NONE, // turns off SD card
- SPI_SELECT_FLASH, // affect SD card buffer enable
- SPI_SELECT_SDCARD, // turns on SD card if off
- } SPI_SelectType;
- typedef int SPI_StateType;
- SPI_StateType SPI_select(SPI_SelectType select);
- void SPI_deselect(SPI_StateType enable);
- // exchanger a byte via SPI
- uint8_t SPI_exchange(uint8_t out);
- #endif
|