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Merge pull request #5776 from jflyper/bfdev-handle-overloaded-cs-pin

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FLASH: Handle overloaded SPI CS pin
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jflyper 2018-05-01 10:55:13 +09:00 • committed by GitHub
commit 7720e57d5c
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1 changed files with 8 additions and 2 deletions
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10
src/main/drivers/flash.c
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@ -45,14 +45,20 @@ static flashDevice_t flashDevice;
bool flashInit(const flashConfig_t *flashConfig)
{
busdev = &busInstance;
busdev->bustype = BUSTYPE_SPI;
spiBusSetInstance(busdev, spiInstanceByDevice(SPI_CFG_TO_DEV(flashConfig->spiDevice)));
if (flashConfig->csTag) {
busdev->busdev_u.spi.csnPin = IOGetByTag(flashConfig->csTag);
} else {
return false;
}
if (IOGetOwner(busdev->busdev_u.spi.csnPin) != OWNER_SPI_PREINIT) {
return false;
}
busdev->bustype = BUSTYPE_SPI;
spiBusSetInstance(busdev, spiInstanceByDevice(SPI_CFG_TO_DEV(flashConfig->spiDevice)));
IOInit(busdev->busdev_u.spi.csnPin, OWNER_FLASH_CS, 0);
IOConfigGPIO(busdev->busdev_u.spi.csnPin, SPI_IO_CS_CFG);
IOHi(busdev->busdev_u.spi.csnPin);