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Correct timer calculation.

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This commit is contained in:
Richard Barry 2008-04-16 16:29:28 +00:00
parent d7ca9ad0c3
commit b08411ec5a
2 changed files with 2 additions and 2 deletions
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2
Source/portable/GCC/STR75x/port.c
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@ -192,7 +192,7 @@ TB_InitTypeDef TB_InitStructure;
/* Setup the TB for the generation of the tick interrupt. */ /* Setup the TB for the generation of the tick interrupt. */
TB_InitStructure.TB_Mode = TB_Mode_Timing; TB_InitStructure.TB_Mode = TB_Mode_Timing;
TB_InitStructure.TB_CounterMode = TB_CounterMode_Down; 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_InitStructure.TB_AutoReload = ( ( configCPU_CLOCK_HZ / ( portPRESCALE + 1 ) ) / configTICK_RATE_HZ ) + 1;
TB_Init(&TB_InitStructure); TB_Init(&TB_InitStructure);

2
Source/portable/IAR/STR75x/port.c
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@ -207,7 +207,7 @@ TB_InitTypeDef TB_InitStructure;
/* Setup the TB for the generation of the tick interrupt. */ /* Setup the TB for the generation of the tick interrupt. */
TB_InitStructure.TB_Mode = TB_Mode_Timing; TB_InitStructure.TB_Mode = TB_Mode_Timing;
TB_InitStructure.TB_CounterMode = TB_CounterMode_Down; 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_InitStructure.TB_AutoReload = ( ( configCPU_CLOCK_HZ / ( portPRESCALE + 1 ) ) / configTICK_RATE_HZ ) + 1;
TB_Init(&TB_InitStructure); TB_Init(&TB_InitStructure);