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author | Jun Wako <wakojun@gmail.com> | 2015-04-24 16:26:14 +0900 |
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committer | Jun Wako <wakojun@gmail.com> | 2015-04-24 16:26:14 +0900 |
commit | a3d96d3aa96318d339a67de1085e0ae495d57c84 (patch) | |
tree | db85c16d03b52399d6c109eda7ea0341a0de0b1d /tmk_core/tool/mbed/mbed-sdk/libraries/tests/libs/SPIHalfDuplex/SPIHalfDuplex.cpp | |
parent | 1d5bac21dc6f1425b8ef4bbe7935330c37c3a93e (diff) | |
parent | 1fe4406f374291ab2e86e95a97341fd9c475fcb8 (diff) |
Merge commit '1fe4406f374291ab2e86e95a97341fd9c475fcb8'
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/tests/libs/SPIHalfDuplex/SPIHalfDuplex.cpp')
-rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/tests/libs/SPIHalfDuplex/SPIHalfDuplex.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/tests/libs/SPIHalfDuplex/SPIHalfDuplex.cpp b/tmk_core/tool/mbed/mbed-sdk/libraries/tests/libs/SPIHalfDuplex/SPIHalfDuplex.cpp new file mode 100644 index 0000000000..5fc6e8568e --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/tests/libs/SPIHalfDuplex/SPIHalfDuplex.cpp @@ -0,0 +1,43 @@ +/* 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 |