Small fix to the SPI demo. SPI I/O pins were no initialized as alternate.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2135 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/kernel/include/ch.h

@@ -88,8 +88,21 @@
 #include "chqueues.h"
 #include "chstreams.h"
 #include "chioch.h"
+#include "chfiles.h"
 #include "chdebug.h"
 
+#if !defined(__DOXYGEN__)
+extern WORKING_AREA(_idle_thread_wa, IDLE_THREAD_STACK_SIZE);
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void _idle_thread(void *p);
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _CH_H_ */
 
 /** @} */

os/kernel/include/chsys.h

@@ -178,12 +178,9 @@
  */
 #define CH_FAST_IRQ_HANDLER(id) PORT_FAST_IRQ_HANDLER(id)
 
-extern WORKING_AREA(_idle_thread_wa, IDLE_THREAD_STACK_SIZE);
-
 #ifdef __cplusplus
 extern "C" {
 #endif
-  void _idle_thread(void *p);
   void chSysInit(void);
   void chSysTimerHandlerI(void);
 #if CH_USE_NESTED_LOCKS && !CH_OPTIMIZE_SPEED

os/kernel/src/chsys.c

@@ -34,6 +34,10 @@
 
 #include "ch.h"
 
+/**
+ * @brief   Idle thread working area.
+ * @see     IDLE_THREAD_STACK_SIZE
+ */
 WORKING_AREA(_idle_thread_wa, IDLE_THREAD_STACK_SIZE);
 
 /**
@@ -87,7 +91,7 @@ void chSysInit(void) {
   /* This thread has the lowest priority in the system, its role is just to
      serve interrupts in its context while keeping the lowest energy saving
      mode compatible with the system status.*/
-  chThdCreateStatic(idle_thread_wa, sizeof(_idle_thread_wa), IDLEPRIO,
+  chThdCreateStatic(_idle_thread_wa, sizeof(_idle_thread_wa), IDLEPRIO,
                     (tfunc_t)_idle_thread, NULL);
 }
 

testhal/STM32/SPI/main.c

@@ -94,6 +94,15 @@ int main(int argc, char **argv) {
   (void)argc;
   (void)argv;
 
+  /*
+   * SPI1 I/O pins setup.
+   */
+  palSetPadMode(IOPORT1, 5, PAL_MODE_STM32_ALTERNATE_PUSHPULL);     /* SCK. */
+  palSetPadMode(IOPORT1, 6, PAL_MODE_STM32_ALTERNATE_PUSHPULL);     /* MISO.*/
+  palSetPadMode(IOPORT1, 7, PAL_MODE_STM32_ALTERNATE_PUSHPULL);     /* MOSI.*/
+  palSetPadMode(IOPORT1, GPIOA_SPI1NSS, PAL_MODE_OUTPUT_PUSHPULL);
+  palSetPad(IOPORT1, GPIOA_SPI1NSS);
+
   /*
    * Prepare transmit pattern.
    */