4.104.115
Last change
on this file since fe83cef6 was
fe83cef6,
checked in by Joel Sherrill <joel.sherrill@…>, on 01/11/10 at 16:14:47
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2010-01-11 Allan Hessenflow <allanh@…>
- serial/spi.c, serial/spi.h:
Fill in skeleton with functional SPI master code.
- include/spiRegs.h:
Correct spi shadow register declaration.
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-
Property mode set to
100644
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File size:
1.1 KB
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1 | /* |
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2 | * RTEMS driver for Blackfin SPI |
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3 | * |
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4 | * COPYRIGHT (c) 2010 Kallisti Labs, Los Gatos, CA, USA |
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5 | * written by Allan Hessenflow <allanh@kallisti.com> |
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6 | * |
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7 | * The license and distribution terms for this file may be |
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8 | * found in the file LICENSE in this distribution or at |
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9 | * http://www.rtems.com/license/LICENSE. |
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10 | * |
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11 | * $Id$ |
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12 | */ |
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13 | |
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14 | #ifndef _spi_h |
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15 | #define _spi_h |
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16 | |
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17 | #ifdef __cplusplus |
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18 | extern "C" { |
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19 | #endif |
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20 | |
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21 | typedef struct { |
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22 | void *base; |
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23 | /* remaining entries are for internal use */ |
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24 | rtems_id sem; |
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25 | int bytes_per_word; |
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26 | uint16_t idle_pattern; |
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27 | uint8_t *rd_ptr; |
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28 | const uint8_t *wr_ptr; |
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29 | int len; |
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30 | } bfin_spi_state_t; |
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31 | |
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32 | typedef struct { |
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33 | rtems_libi2c_bus_t bus; |
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34 | bfin_spi_state_t p; |
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35 | } bfin_spi_bus_t; |
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36 | |
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37 | |
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38 | void bfin_spi_isr(int v); |
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39 | |
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40 | rtems_status_code bfin_spi_init(rtems_libi2c_bus_t *bus); |
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41 | |
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42 | rtems_status_code bfin_spi_send_start(rtems_libi2c_bus_t *bus); |
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43 | |
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44 | int bfin_spi_read_bytes(rtems_libi2c_bus_t *bus, unsigned char *buf, int len); |
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45 | |
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46 | int bfin_spi_write_bytes(rtems_libi2c_bus_t *bus, unsigned char *buf, int len); |
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47 | |
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48 | int bfin_spi_ioctl(rtems_libi2c_bus_t *bus, int cmd, void *arg); |
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49 | |
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50 | #ifdef __cplusplus |
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51 | } |
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52 | #endif |
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53 | |
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54 | |
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55 | #endif /* _spi_h */ |
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