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Squashed 'tmk_core/' changes from 7967731..b9e0ea0

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b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk'
7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5

git-subtree-dir: tmk_core
git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552
This commit is contained in:
Jun Wako 2015-04-24 16:26:14 +09:00
parent a20ef7052c
commit 1fe4406f37
4198 changed files with 2016457 additions and 0 deletions
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43
tool/mbed/mbed-sdk/libraries/tests/libs/SPIHalfDuplex/SPIHalfDuplex.cpp Normal file
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/* mbed Microcontroller Library - SPIHalfDuplex
* Copyright (c) 2010-2011 ARM Limited. All rights reserved.
*/
#include "SPIHalfDuplex.h"
#if DEVICE_SPI
#include "spi_api.h"
#include "pinmap.h"
#define GPIO_MODE 0
#define SPI_MODE 2
namespace mbed {
SPIHalfDuplex::SPIHalfDuplex(PinName mosi, PinName miso, PinName sclk) : SPI(mosi, miso, sclk) {
_mosi = mosi;
_miso = miso;
_sbits = _bits;
}
void SPIHalfDuplex::slave_format(int sbits) {
_sbits = sbits;
}
int SPIHalfDuplex::write(int value) {
int t_bits = _bits;
pin_function(_mosi, SPI_MODE);
int ret_val = SPI::write(value);
if (ret_val != value) {
return -1;
}
format(_sbits, _mode);
pin_function(_mosi, GPIO_MODE);
ret_val = SPI::write(0x55);
format(t_bits, _mode);
pin_function(_mosi, SPI_MODE);
return ret_val;
}
} // end namespace mbed
#endif