More coding-style and cosmetic fixes.

examples/stm32/f2/jobygps/miniblink/miniblink.c

@@ -24,11 +24,9 @@
 void gpio_setup(void)
 {
 	/* Enable GPIOC clock. */
-	/* Using API functions: */
 	rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPCEN);
 
 	/* Set GPIO3 and GPIO4 (in GPIO port C) to 'output push-pull'. */
-	/* Using API functions: */
 	gpio_mode_setup(GPIOC, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO3 | GPIO4);
 }
 
@@ -42,8 +40,7 @@ int main(void)
 	gpio_clear(GPIOC, GPIO4);
 
 	/* Blink the LEDs (PC3, PC4) on the board. */
-	while (1)
+	while (1) {
-  {
 		/* Using API function gpio_toggle(): */
 		gpio_toggle(GPIOC, GPIO3);
 		gpio_toggle(GPIOC, GPIO4);

examples/stm32/f2/jobygps/spi_test/spi_test.c

@@ -31,9 +31,8 @@ void clock_setup(void)
 	/* Enable clocks on all the peripherals we are going to use. */
 	rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_SPI2EN);
 	rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_USART1EN);
-	rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPCEN | \
+	rcc_peripheral_enable_clock(&RCC_AHB1ENR,
-                                            RCC_AHB1ENR_IOPAEN | \
+		RCC_AHB1ENR_IOPCEN | RCC_AHB1ENR_IOPAEN | RCC_AHB1ENR_IOPBEN);
-                                            RCC_AHB1ENR_IOPBEN);
 }
 
 void spi_setup(void)

examples/stm32/f2/jobygps/usart_printf/usart_printf.c

@@ -18,19 +18,19 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <stdio.h>
+#include <errno.h>
 #include <libopencm3/stm32/f2/gpio.h>
 #include <libopencm3/stm32/usart.h>
 #include <libopencm3/stm32/nvic.h>
 #include <libopencm3/stm32/f2/rcc.h>
 
-#include <stdio.h>
-#include <errno.h>
-
 void clock_setup(void)
 {
 	/* Enable clocks on all the peripherals we are going to use. */
 	rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_USART1EN);
-	rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPCEN | RCC_AHB1ENR_IOPAEN);
+	rcc_peripheral_enable_clock(&RCC_AHB1ENR,
+			RCC_AHB1ENR_IOPCEN | RCC_AHB1ENR_IOPAEN);
 }
 
 void usart_setup(void)

lib/lm3s/libopencm3_lm3s.ld

@@ -55,9 +55,10 @@ SECTIONS
 	 * You may need to fix this if you're using C++.
 	 */
 	/DISCARD/ : { *(.eh_frame) }
+
 	/*
-   * Another section used by C++ stuff, appears when using newlib with 64bit
+	 * Another section used by C++ stuff, appears when using newlib with
-   * (long long) printf support - discard it for now.
+	 * 64bit (long long) printf support - discard it for now.
 	 */
 	/DISCARD/ : { *(.ARM.exidx) }
 

lib/lpc13xx/libopencm3_lpc13xx.ld

@@ -55,9 +55,10 @@ SECTIONS
 	 * You may need to fix this if you're using C++.
 	 */
 	/DISCARD/ : { *(.eh_frame) }
+
 	/*
-   * Another section used by C++ stuff, appears when using newlib with 64bit
+	 * Another section used by C++ stuff, appears when using newlib with
-   * (long long) printf support - discard it for now.
+	 * 64bit (long long) printf support - discard it for now.
 	 */
 	/DISCARD/ : { *(.ARM.exidx) }
 

lib/stm32/f1/libopencm3_stm32f1.ld

@@ -59,9 +59,10 @@ SECTIONS
 	 * You may need to fix this if you're using C++.
 	 */
 	/DISCARD/ : { *(.eh_frame) }
+
 	/*
-   * Another section used by C++ stuff, appears when using newlib with 64bit
+	 * Another section used by C++ stuff, appears when using newlib with
-   * (long long) printf support - discard it for now.
+	 * 64bit (long long) printf support - discard it for now.
 	 */
 	/DISCARD/ : { *(.ARM.exidx) }
 

lib/stm32/f2/libopencm3_stm32f2.ld

@@ -59,9 +59,10 @@ SECTIONS
 	 * You may need to fix this if you're using C++.
 	 */
 	/DISCARD/ : { *(.eh_frame) }
+
 	/*
-   * Another section used by C++ stuff, appears when using newlib with 64bit
+	 * Another section used by C++ stuff, appears when using newlib with
-   * (long long) printf support - discard it for now.
+	 * 64bit (long long) printf support - discard it for now.
 	 */
 	/DISCARD/ : { *(.ARM.exidx) }
 

lib/stm32/f4/libopencm3_stm32f4.ld

@@ -59,9 +59,10 @@ SECTIONS
 	 * You may need to fix this if you're using C++.
 	 */
 	/DISCARD/ : { *(.eh_frame) }
+
 	/*
-   * Another section used by C++ stuff, appears when using newlib with 64bit
+	 * Another section used by C++ stuff, appears when using newlib with
-   * (long long) printf support - discard it for now.
+	 * 64bit (long long) printf support - discard it for now.
 	 */
 	/DISCARD/ : { *(.ARM.exidx) }
 

lib/stm32/usart.c

@@ -47,15 +47,16 @@ void usart_set_baudrate(u32 usart, u32 baud)
 #endif
 */
 
-	/* yes it is as simple as that. The reference manual is
+	/*
-	 * talking about factional calculation but it seems to be only
+	 * Yes it is as simple as that. The reference manual is
-	 * marketting bable to sound awesome. It is nothing else but a
+	 * talking about fractional calculation but it seems to be only
-	 * simple divider to generate the correct baudrate. >_< If I
+	 * marketting babble to sound awesome. It is nothing else but a
-	 * am wrong feel free to correct me on that. :) (esden)
+	 * simple divider to generate the correct baudrate.
 	 *
-   * Changed to round rather than floor (Fergus)
+	 * Note: We round() the value rather than floor()ing it, for more
+	 * accurate divisor selection.
 	 */
-	USART_BRR(usart) = (2*clock + baud) / (2*baud);
+	USART_BRR(usart) = ((2 * clock) + baud) / (2 * baud);
 }
 
 void usart_set_databits(u32 usart, u32 bits)
@@ -168,4 +169,3 @@ void usart_disable_tx_dma(u32 usart)
 {
 	USART_CR3(usart) &= ~USART_CR3_DMAT;
 }
-