Diff: targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/spi_api.c

Revision:

402:09075a3b15e3

Parent:

233:1bbc1451db33

Child:

414:4ec4c5b614b0

--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/spi_api.c	Fri Nov 14 08:45:06 2014 +0000
+++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/spi_api.c	Fri Nov 14 09:00:07 2014 +0000
@@ -64,7 +64,8 @@
     {NC,    NC,    0}
 };
 
-static void init_spi(spi_t *obj) {
+static void init_spi(spi_t *obj)
+{
     SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
     SPI_InitTypeDef SPI_InitStructure;
 
@@ -84,7 +85,8 @@
     SPI_Cmd(spi, ENABLE);
 }
 
-void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel) {
+void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel)
+{
     // Determine the SPI to use
     SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI);
     SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO);
@@ -133,7 +135,8 @@
     init_spi(obj);
 }
 
-void spi_free(spi_t *obj) {
+void spi_free(spi_t *obj)
+{
     // Reset SPI and disable clock
     if (obj->spi == SPI_1) {
         RCC_APB2PeriphResetCmd(RCC_APB2Periph_SPI1, ENABLE);
@@ -154,7 +157,8 @@
     pin_function(obj->pin_ssel, STM_PIN_DATA(GPIO_Mode_IN_FLOATING, 0));
 }
 
-void spi_format(spi_t *obj, int bits, int mode, int slave) {
+void spi_format(spi_t *obj, int bits, int mode, int slave)
+{
     // Save new values
     if (bits == 16) {
         obj->bits = SPI_DataSize_16b;
@@ -192,7 +196,8 @@
     init_spi(obj);
 }
 
-void spi_frequency(spi_t *obj, int hz) {
+void spi_frequency(spi_t *obj, int hz)
+{
     if (obj->spi == SPI_1) {
         // Values depend of PCLK2: 64 MHz if HSI is used, 72 MHz if HSE is used
         if (hz < 500000) {
@@ -238,7 +243,8 @@
     init_spi(obj);
 }
 
-static inline int ssp_readable(spi_t *obj) {
+static inline int ssp_readable(spi_t *obj)
+{
     int status;
     SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
     // Check if data is received
@@ -246,7 +252,8 @@
     return status;
 }
 
-static inline int ssp_writeable(spi_t *obj) {
+static inline int ssp_writeable(spi_t *obj)
+{
     int status;
     SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
     // Check if data is transmitted
@@ -254,46 +261,54 @@
     return status;
 }
 
-static inline void ssp_write(spi_t *obj, int value) {
+static inline void ssp_write(spi_t *obj, int value)
+{
     SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
     while (!ssp_writeable(obj));
     SPI_I2S_SendData(spi, (uint16_t)value);
 }
 
-static inline int ssp_read(spi_t *obj) {
+static inline int ssp_read(spi_t *obj)
+{
     SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
     while (!ssp_readable(obj));
     return (int)SPI_I2S_ReceiveData(spi);
 }
 
-static inline int ssp_busy(spi_t *obj) {
+static inline int ssp_busy(spi_t *obj)
+{
     int status;
     SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
     status = ((SPI_I2S_GetFlagStatus(spi, SPI_I2S_FLAG_BSY) != RESET) ? 1 : 0);
     return status;
 }
 
-int spi_master_write(spi_t *obj, int value) {
+int spi_master_write(spi_t *obj, int value)
+{
     ssp_write(obj, value);
     return ssp_read(obj);
 }
 
-int spi_slave_receive(spi_t *obj) {
+int spi_slave_receive(spi_t *obj)
+{
     return ((ssp_readable(obj) && !ssp_busy(obj)) ? 1 : 0);
 };
 
-int spi_slave_read(spi_t *obj) {
+int spi_slave_read(spi_t *obj)
+{
     SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
     return (int)SPI_I2S_ReceiveData(spi);
 }
 
-void spi_slave_write(spi_t *obj, int value) {
+void spi_slave_write(spi_t *obj, int value)
+{
     SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
     while (!ssp_writeable(obj));
     SPI_I2S_SendData(spi, (uint16_t)value);
 }
 
-int spi_busy(spi_t *obj) {
+int spi_busy(spi_t *obj)
+{
     return ssp_busy(obj);
 }