fix for mbed lib issue 3 (i2c problem) see also https://mbed.org/users/mbed_official/code/mbed/issues/3 affected implementations: LPC812, LPC11U24, LPC1768, LPC2368, LPC4088

Fork of mbed-src by mbed official

Revision:
0:fd0d7bdfcdc2
Child:
2:143cac498751
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cpp/SPISlave.cpp	Tue Nov 20 17:24:08 2012 +0000
@@ -0,0 +1,62 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "SPISlave.h"
+
+#if DEVICE_SPISLAVE
+
+namespace mbed {
+
+SPISlave::SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel) {
+    spi_init(&_spi, mosi, miso, sclk, ssel);
+    _bits = 8;
+    _mode = 0;
+    _hz = 1000000;
+    spi_format(&_spi, _bits, _mode, 1);
+    spi_frequency(&_spi, _hz);
+}
+
+void SPISlave::format(int bits, int mode) {
+    _bits = bits;
+    _mode = mode;
+    spi_format(&_spi, _bits, _mode, 1);
+}
+
+void SPISlave::frequency(int hz) {
+    _hz = hz;
+    spi_frequency(&_spi, _hz);
+}
+
+int SPISlave::receive(void) {
+    return(spi_slave_receive(&_spi));
+}
+
+int SPISlave::read(void) {
+    return(spi_slave_read(&_spi));
+}
+
+void SPISlave::reply(int value) {
+    spi_slave_write(&_spi, value);
+}
+
+} // namespace mbed
+
+#endif