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Pass ssel PinName to spi_init() for hardware assisted SSEL control. #930

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Pass ssel PinName to spi_init() for hardware assisted SSEL control. #930

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81d9f0e
Pass ssel PinName to spi_init() for hardware assisted SSEL control.
jeremybrodt Feb 24, 2015
3b58949
Updated function prototype.
jeremybrodt Feb 25, 2015
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3 changes: 2 additions & 1 deletion libraries/mbed/api/SPI.h
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Original file line number Diff line number Diff line change
Expand Up @@ -58,8 +58,9 @@ class SPI {
* @param mosi SPI Master Out, Slave In pin
* @param miso SPI Master In, Slave Out pin
* @param sclk SPI Clock pin
* @param ssel SPI Clock pin
*/
SPI(PinName mosi, PinName miso, PinName sclk, PinName _unused=NC);
SPI(PinName mosi, PinName miso, PinName sclk, PinName ssel=NC);

/** Configure the data transmission format
*
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4 changes: 2 additions & 2 deletions libraries/mbed/common/SPI.cpp
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Expand Up @@ -19,12 +19,12 @@

namespace mbed {

SPI::SPI(PinName mosi, PinName miso, PinName sclk, PinName _unused) :
SPI::SPI(PinName mosi, PinName miso, PinName sclk, PinName ssel) :
_spi(),
_bits(8),
_mode(0),
_hz(1000000) {
spi_init(&_spi, mosi, miso, sclk, NC);
spi_init(&_spi, mosi, miso, sclk, ssel);
spi_format(&_spi, _bits, _mode, 0);
spi_frequency(&_spi, _hz);
}
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