initial

Dependencies:   mbed

Revision:
1:9d3b497333c0
Parent:
0:638edba3adf6
diff -r 638edba3adf6 -r 9d3b497333c0 mbed-src/api/SPISlave.h
--- a/mbed-src/api/SPISlave.h	Mon Jan 11 02:32:24 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,122 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef MBED_SPISLAVE_H
-#define MBED_SPISLAVE_H
-
-#include "platform.h"
-
-#if DEVICE_SPISLAVE
-
-#include "spi_api.h"
-
-namespace mbed {
-
-/** A SPI slave, used for communicating with a SPI Master device
- *
- * The default format is set to 8-bits, mode 0, and a clock frequency of 1MHz
- *
- * Example:
- * @code
- * // Reply to a SPI master as slave
- *
- * #include "mbed.h"
- *
- * SPISlave device(p5, p6, p7, p8); // mosi, miso, sclk, ssel
- *
- * int main() {
- *     device.reply(0x00);              // Prime SPI with first reply
- *     while(1) {
- *         if(device.receive()) {
- *             int v = device.read();   // Read byte from master
- *             v = (v + 1) % 0x100;     // Add one to it, modulo 256
- *             device.reply(v);         // Make this the next reply
- *         }
- *     }
- * }
- * @endcode
- */
-class SPISlave {
-
-public:
-
-    /** Create a SPI slave connected to the specified pins
-     *
-     *  mosi or miso can be specfied as NC if not used
-     *
-     *  @param mosi SPI Master Out, Slave In pin
-     *  @param miso SPI Master In, Slave Out pin
-     *  @param sclk SPI Clock pin
-     *  @param ssel SPI chip select pin
-     */
-    SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel);
-
-    /** Configure the data transmission format
-     *
-     *  @param bits Number of bits per SPI frame (4 - 16)
-     *  @param mode Clock polarity and phase mode (0 - 3)
-     *
-     * @code
-     * mode | POL PHA
-     * -----+--------
-     *   0  |  0   0
-     *   1  |  0   1
-     *   2  |  1   0
-     *   3  |  1   1
-     * @endcode
-     */
-    void format(int bits, int mode = 0);
-
-    /** Set the spi bus clock frequency
-     *
-     *  @param hz SCLK frequency in hz (default = 1MHz)
-     */
-    void frequency(int hz = 1000000);
-
-    /** Polls the SPI to see if data has been received
-     *
-     *  @returns
-     *    0 if no data,
-     *    1 otherwise
-     */
-    int receive(void);
-
-    /** Retrieve  data from receive buffer as slave
-     *
-     *  @returns
-     *    the data in the receive buffer
-     */
-    int read(void);
-
-    /** Fill the transmission buffer with the value to be written out
-     *  as slave on the next received message from the master.
-     *
-     *  @param value the data to be transmitted next
-     */
-    void reply(int value);
-
-protected:
-    spi_t _spi;
-
-    int _bits;
-    int _mode;
-    int _hz;
-};
-
-} // namespace mbed
-
-#endif
-
-#endif