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cpu/stm32f3: spi: Cast enum to unsigned int for comparison

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This commit is contained in:
Joakim Nohlgård 2016-01-26 19:56:40 +01:00
parent 19cee2d757
commit e4629eb0bb
1 changed files with 3 additions and 3 deletions
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6
cpu/stm32f3/periph/spi.c
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@ -290,7 +290,7 @@ int spi_conf_pins(spi_t dev)
int spi_acquire(spi_t dev)
{
if (dev >= SPI_NUMOF) {
if ((unsigned int)dev >= SPI_NUMOF) {
return -1;
}
mutex_lock(&locks[dev]);
@ -299,7 +299,7 @@ int spi_acquire(spi_t dev)
int spi_release(spi_t dev)
{
if (dev >= SPI_NUMOF) {
if ((unsigned int)dev >= SPI_NUMOF) {
return -1;
}
mutex_unlock(&locks[dev]);
@ -335,7 +335,7 @@ int spi_transfer_byte(spi_t dev, char out, char *in)
void spi_transmission_begin(spi_t dev, char reset_val)
{
if (dev < SPI_NUMOF) {
if ((unsigned int)dev < SPI_NUMOF) {
spi[dev]->DR = reset_val;
}
}