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[sam] 2 bugfix to SPI library.

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- begin() after end() now works.
- unconnected SPI pin is selected as CS when old (non extended) API is used.
This commit is contained in:
Cristian Maglie
2013-06-21 19:58:08 +02:00
parent 8b0b0a7d68
commit d101bf51a2
3 changed files with 8 additions and 5 deletions
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9
hardware/arduino/sam/libraries/SPI/SPI.cpp
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@@ -13,13 +13,14 @@
SPIClass::SPIClass(Spi *_spi, uint32_t _id, void(*_initCb)(void)) :
spi(_spi), id(_id), initCb(_initCb)
{
initCb();
SPI_Configure(spi, id, SPI_MR_MSTR | SPI_MR_PS | SPI_MR_MODFDIS);
SPI_Enable(spi);
// Empty
}
void SPIClass::begin() {
initCb();
SPI_Configure(spi, id, SPI_MR_MSTR | SPI_MR_PS | SPI_MR_MODFDIS);
SPI_Enable(spi);
// NPCS control is left to the user
// Default speed set to 4Mhz