Correct timer calculation.

17 years ago · b08411ec5a
parent d7ca9ad0c3
commit b08411ec5a
2 changed files with 2 additions and 2 deletions
--- a/Source/portable/GCC/STR75x/port.c
+++ b/Source/portable/GCC/STR75x/port.c
@ -192,7 +192,7 @@ TB_InitTypeDef      TB_InitStructure;
 	/* Setup the TB for the generation of the tick interrupt. */
 	TB_InitStructure.TB_Mode = TB_Mode_Timing;
 	TB_InitStructure.TB_CounterMode = TB_CounterMode_Down;
-	TB_InitStructure.TB_Prescaler = portPRESCALE;
+	TB_InitStructure.TB_Prescaler = portPRESCALE - 1;
 	TB_InitStructure.TB_AutoReload = ( ( configCPU_CLOCK_HZ / ( portPRESCALE + 1 ) ) / configTICK_RATE_HZ ) + 1;
 	TB_Init(&TB_InitStructure);
 	
--- a/Source/portable/IAR/STR75x/port.c
+++ b/Source/portable/IAR/STR75x/port.c
@ -207,7 +207,7 @@ TB_InitTypeDef      TB_InitStructure;
 	/* Setup the TB for the generation of the tick interrupt. */
 	TB_InitStructure.TB_Mode = TB_Mode_Timing;
 	TB_InitStructure.TB_CounterMode = TB_CounterMode_Down;
-	TB_InitStructure.TB_Prescaler = portPRESCALE;
+	TB_InitStructure.TB_Prescaler = portPRESCALE - 1;
 	TB_InitStructure.TB_AutoReload = ( ( configCPU_CLOCK_HZ / ( portPRESCALE + 1 ) ) / configTICK_RATE_HZ ) + 1;
 	TB_Init(&TB_InitStructure);