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cpu/sam3: Use {} notation for empty while loops

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This commit is contained in:
Joakim Nohlgård 2016-01-27 08:02:38 +01:00
parent 5bfd4a59e9
commit 752d481738
4 changed files with 7 additions and 7 deletions
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4
cpu/sam3/periph/cpuid.c
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@ -53,7 +53,7 @@ void cpuid_get(void *id)
EFC1->EEFC_FCR = EEFC_FCR_FKEY(EFC_KEY) | EFC_FCMD_STUI;
/* Wait for FRDY bit falls */
while (EFC1->EEFC_FSR & EEFC_FSR_FRDY);
while (EFC1->EEFC_FSR & EEFC_FSR_FRDY) {}
/* Read UID */
cpuid[0] = *(uint32_t *)IFLASH1_ADDR;
@ -65,7 +65,7 @@ void cpuid_get(void *id)
EFC1->EEFC_FCR = EEFC_FCR_FKEY(EFC_KEY) | EFC_FCMD_SPUI ;
/* Wait for FRDY bit rises. */
while (0 == (EFC1->EEFC_FSR & EEFC_FSR_FRDY));
while (0 == (EFC1->EEFC_FSR & EEFC_FSR_FRDY)) {}
memcpy(id, (void*)cpuid, CPUID_LEN);
}

2
cpu/sam3/periph/hwrng.c
View File

@ -43,7 +43,7 @@ void hwrng_read(uint8_t *buf, unsigned int num)
while (count < num) {
/* wait until new value is generated -> takes up to 84 cycles */
while (!(TRNG->TRNG_ISR & TRNG_ISR_DATRDY));
while (!(TRNG->TRNG_ISR & TRNG_ISR_DATRDY)) {}
/* read 4 byte of random data */
uint32_t tmp = TRNG->TRNG_ODATA;
/* extract copy bytes to result */

6
cpu/sam3/periph/spi.c
View File

@ -75,7 +75,7 @@ void spi_poweroff(spi_t dev)
switch (dev) {
#if SPI_0_EN
case SPI_0:
while (!(SPI_0_DEV->SPI_SR & SPI_SR_SPIENS)); /* not busy anymore */
while (!(SPI_0_DEV->SPI_SR & SPI_SR_SPIENS)) {} /* not busy anymore */
SPI_0_CLKDIS();
NVIC_DisableIRQ(SPI_0_IRQ);
break;
@ -324,11 +324,11 @@ int spi_transfer_byte(spi_t dev, char out, char *in)
return -1;
}
while (!(spi_port->SPI_SR & SPI_SR_TDRE));
while (!(spi_port->SPI_SR & SPI_SR_TDRE)) {}
spi_port->SPI_TDR = SPI_TDR_TD(out);
while (!(spi_port->SPI_SR & SPI_SR_RDRF));
while (!(spi_port->SPI_SR & SPI_SR_RDRF)) {}
*in = spi_port->SPI_RDR & SPI_RDR_RD_Msk;

2
cpu/sam3/periph/uart.c
View File

@ -79,7 +79,7 @@ void uart_write(uart_t uart, const uint8_t *data, size_t len)
Uart *dev = uart_config[uart].dev;
for (size_t i = 0; i < len; i++) {
while (!(dev->UART_SR & UART_SR_TXRDY));
while (!(dev->UART_SR & UART_SR_TXRDY)) {}
dev->UART_THR = data[i];
}
}