Added derived constants and error checks

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11277 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/hal/ports/SAMA/SAMA5D2x/hal_tc_lld.c

@@ -156,6 +156,9 @@ OSAL_IRQ_HANDLER(SAMA_TC1_HANDLER) {
 void tc_lld_init(void) {
 
 #if SAMA_USE_TC0
+#if SAMA_HAL_IS_SECURE
+  mtxConfigPeriphSecurity(MATRIX1, ID_TC0, SECURE_PER);
+#endif /* SAMA_HAL_IS_SECURE */
   /* Driver initialization.*/
   tcObjectInit(&TCD0);
   TCD0.channels = TC_CHANNELS;
@@ -164,6 +167,9 @@ void tc_lld_init(void) {
 #endif
 
 #if SAMA_USE_TC1
+#if SAMA_HAL_IS_SECURE
+  mtxConfigPeriphSecurity(MATRIX1, ID_TC1, SECURE_PER);
+#endif /* SAMA_HAL_IS_SECURE */
   /* Driver initialization.*/
   tcObjectInit(&TCD1);
   TCD1.channels = TC_CHANNELS;

os/hal/ports/SAMA/SAMA5D2x/hal_tc_lld.h

@@ -133,6 +133,23 @@ typedef void (*tccallback_t)(TCDriver *tcp);
 #error "TC driver activated but no TC peripheral assigned"
 #endif
 
+/* Checks on allocation of TCx units.*/
+#if SAMA_USE_TC0
+#if defined(SAMA_TC0_IS_USED)
+#error "TC0 is already used"
+#else
+#define SAMA_TC0_IS_USED
+#endif
+#endif
+
+/* Checks on allocation of TCx units.*/
+#if SAMA_USE_TC1
+#if defined(SAMA_TC1_IS_USED)
+#error "TC1 is already used"
+#else
+#define SAMA_TC1_IS_USED
+#endif
+#endif
 /*===========================================================================*/
 /* Driver data structures and types.                                         */
 /*===========================================================================*/