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cpu: stm32f1 spi: fix typos

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This commit is contained in:
Hinnerk van Bruinehsen 2014-10-16 16:55:30 +02:00
parent 145d345edf
commit 9ba980dfd9
1 changed files with 11 additions and 11 deletions
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22
cpu/stm32f1/periph/spi.c
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@ -128,7 +128,7 @@ int spi_conf_pins(spi_t dev)
int spi_transfer_byte(spi_t dev, char out, char *in)
{
SPI_TypeDef *spi;
int transfered = 0;
int transferred = 0;
switch(dev) {
#ifdef SPI_0_EN
@ -142,12 +142,12 @@ int spi_transfer_byte(spi_t dev, char out, char *in)
while ((spi->SR & SPI_SR_TXE) == RESET);
spi->DR = out;
transfered++;
transferred++;
while ((spi->SR & SPI_SR_RXNE) == RESET);
if (in != NULL) {
*in = spi->DR;
transfered++;
transferred++;
}
else {
spi->DR;
@ -157,19 +157,19 @@ int spi_transfer_byte(spi_t dev, char out, char *in)
while ((spi->SR & 0x80));
#if ENABLE_DEBUG
if (in != NULL) {
DEBUG("\nout: %x in: %x transfered: %x\n", out, *in, transfered);
DEBUG("\nout: %x in: %x transferred: %x\n", out, *in, transferred);
}
else {
DEBUG("\nout: %x in: was nullPointer transferred: %x\n", out, transferred);
}
#endif /*ENABLE_DEBUG */
return transfered;
return transferred;
}
int spi_transfer_bytes(spi_t dev, char *out, char *in, unsigned int length)
{
int transfered = 0;
int transferred = 0;
if (out != NULL) {
DEBUG("out*: %p out: %x length: %x\n", out, *out, length);
@ -178,7 +178,7 @@ int spi_transfer_bytes(spi_t dev, char *out, char *in, unsigned int length)
if (ret < 0) {
return ret;
}
transfered += ret;
transferred += ret;
}
}
if (in != NULL) {
@ -187,13 +187,13 @@ int spi_transfer_bytes(spi_t dev, char *out, char *in, unsigned int length)
if (ret < 0) {
return ret;
}
transfered += ret;
transferred += ret;
}
DEBUG("in*: %p in: %x transfered: %x\n", in, *(in-transfered), transfered);
DEBUG("in*: %p in: %x transferred: %x\n", in, *(in-transferred), transferred);
}
DEBUG("sent %x byte(s)\n", transfered);
return transfered;
DEBUG("sent %x byte(s)\n", transferred);
return transferred;
}
int spi_transfer_reg(spi_t dev, uint8_t reg, char out, char *in)