samr21-xpro: fix comments

RIOT-OS · Sep 24, 2014 · ab55135 · ab55135
1 parent 102658d
commit ab55135
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Showing 8 changed files with 11 additions and 15 deletions.
diff --git a/boards/samr21-xpro/Makefile b/boards/samr21-xpro/Makefile
@@ -1,7 +1,5 @@
 # tell the Makefile.base which module to build
 MODULE = $(BOARD)_base
 
-# add a list of board specific subdirectories that should also be built
-DIRS =
 
 include $(RIOTBASE)/Makefile.base
diff --git a/boards/samr21-xpro/Makefile.include b/boards/samr21-xpro/Makefile.include
@@ -18,7 +18,7 @@ export FLASHER = $(RIOTBOARD)/$(BOARD)/dist/flash.sh
 export DEBUGGER = $(RIOTBOARD)/$(BOARD)/dist/debug.sh
 
 # define build specific options
-export CPU_USAGE = -mcpu=cortex-m0
+export CPU_USAGE = -mcpu=cortex-m0plus
 FPU_USAGE =
 export CFLAGS += -ggdb -g3 -std=gnu99 -O0 -Wall -Wstrict-prototypes $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -mthumb -mthumb-interwork -nostartfiles
 export CFLAGS += -ffunction-sections -fdata-sections -fno-builtin

diff --git a/boards/samr21-xpro/board.c b/boards/samr21-xpro/board.c
@@ -32,9 +32,6 @@ void board_init(void)
     /* initialize the CPU */
     cpu_init();
 
-    /* initialize the GCLK */
-    clk_init();
-
     /* initialize the boards LEDs */
     led_init();
 }

diff --git a/boards/samr21-xpro/include/board.h b/boards/samr21-xpro/include/board.h
@@ -62,9 +62,9 @@
 #define LED_GREEN_ON        /* not available */
 #define LED_GREEN_OFF       /* not available */
 #define LED_GREEN_TOGGLE    /* not available */
-#define LED_ORANGE_ON        /* not available */
-#define LED_ORANGE_OFF       /* not available */
-#define LED_ORANGE_TOGGLE    /* not available */
+#define LED_ORANGE_ON       /* not available */
+#define LED_ORANGE_OFF      /* not available */
+#define LED_ORANGE_TOGGLE   /* not available */
 #define LED_RED_ON          LED_ON
 #define LED_RED_OFF         LED_OFF
 #define LED_RED_TOGGLE      LED_TOGGLE

diff --git a/cpu/samd21/Makefile.include b/cpu/samd21/Makefile.include
@@ -1,8 +1,7 @@
-
 # this CPU implementation is using the new core/CPU interface
 export CFLAGS += -DCOREIF_NG=1
 
-# this CPU implementation doesn't use CMSIS initialisation 
+# this CPU implementation doesn't use CMSIS initialisation
 export CFLAGS += -DDONT_USE_CMSIS_INIT
 
 # tell the build system that the CPU depends on the Cortex-M common files

diff --git a/cpu/samd21/cpu.c b/cpu/samd21/cpu.c
@@ -35,6 +35,9 @@ void cpu_init(void)
 
     /* set pendSV interrupt to lowest possible priority */
     NVIC_SetPriority(PendSV_IRQn, 0xff);
+
+    /* Initialise clock sources and generic clocks */
+    clk_init();
 }
 
 /**

diff --git a/cpu/samd21/hwtimer_arch.c b/cpu/samd21/hwtimer_arch.c
@@ -69,5 +69,4 @@ unsigned long hwtimer_arch_now(void)
 void irq_handler(int channel)
 {
     timeout_handler((short)(channel));
-    thread_yield();
 }
diff --git a/cpu/samd21/include/cpu-conf.h b/cpu/samd21/include/cpu-conf.h
@@ -27,13 +27,13 @@
  * TODO: measure and adjust for the cortex-m0
  * @{
  */
-#define KERNEL_CONF_STACKSIZE_PRINTF    (2500)
+#define KERNEL_CONF_STACKSIZE_PRINTF    (512)
 
 #ifndef KERNEL_CONF_STACKSIZE_DEFAULT
-#define KERNEL_CONF_STACKSIZE_DEFAULT   (2500)
+#define KERNEL_CONF_STACKSIZE_DEFAULT   (512)
 #endif
 
-#define KERNEL_CONF_STACKSIZE_IDLE      (512)
+#define KERNEL_CONF_STACKSIZE_IDLE      (256)
 /** @} */
 
 /**