diff options
Diffstat (limited to 'os/hal/ports/STM32/TIMv1/st_lld.h')
| -rw-r--r-- | os/hal/ports/STM32/TIMv1/st_lld.h | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/os/hal/ports/STM32/TIMv1/st_lld.h b/os/hal/ports/STM32/TIMv1/st_lld.h index 4a969738c..0013d7913 100644 --- a/os/hal/ports/STM32/TIMv1/st_lld.h +++ b/os/hal/ports/STM32/TIMv1/st_lld.h @@ -38,14 +38,33 @@ /* Driver pre-compile time settings. */
/*===========================================================================*/
+/**
+ * @brief TIMx unit (by number) to be used for free running operations.
+ * @note You must select a 32 bits timer if a 32 bits systick_t is
+ * required.
+ */
+#if !defined(STM32_ST_USE_TIMER) || defined(__DOXYGEN__)
+#define STM32_ST_USE_TIMER 2
+#endif
+
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
-#if !defined(HAL_ST_USE_TIM5)
-#define ST_TIM STM32_TIM2
+#if STM32_ST_USE_TIMER == 2
+#define STM32_ST_TIM STM32_TIM2
+
+#elif STM32_ST_USE_TIMER == 5
+#define STM32_ST_TIM STM32_TIM5
+
+#elif STM32_ST_USE_TIMER == 6
+#define STM32_ST_TIM STM32_TIM6
+
+#elif STM32_ST_USE_TIMER == 7
+#define STM32_ST_TIM STM32_TIM7
+
#else
-#define ST_TIM STM32_TIM5
+#error "STM32_ST_USE_TIMER specifies an unsupported timer"
#endif
/*===========================================================================*/
@@ -81,7 +100,7 @@ extern "C" { */
static inline systime_t st_lld_get_counter(void) {
- return (systime_t)(ST_TIM->CNT);
+ return (systime_t)STM32_ST_TIM->CNT;
}
/**
@@ -95,9 +114,9 @@ static inline systime_t st_lld_get_counter(void) { */
static inline void st_lld_start_alarm(systime_t time) {
- ST_TIM->CCR[0] = time;
- ST_TIM->SR = 0;
- ST_TIM->DIER = STM32_TIM_DIER_CC1IE;
+ STM32_ST_TIM->CCR[0] = (uint32_t)time;
+ STM32_ST_TIM->SR = 0;
+ STM32_ST_TIM->DIER = STM32_TIM_DIER_CC1IE;
}
/**
@@ -107,7 +126,7 @@ static inline void st_lld_start_alarm(systime_t time) { */
static inline void st_lld_stop_alarm(void) {
- ST_TIM->DIER = 0;
+ STM32_ST_TIM->DIER = 0;
}
/**
@@ -119,7 +138,7 @@ static inline void st_lld_stop_alarm(void) { */
static inline void st_lld_set_alarm(systime_t time) {
- ST_TIM->CCR[0] = (uint32_t)time;
+ STM32_ST_TIM->CCR[0] = (uint32_t)time;
}
/**
@@ -131,7 +150,7 @@ static inline void st_lld_set_alarm(systime_t time) { */
static inline systime_t st_lld_get_alarm(void) {
- return (systime_t)ST_TIM->CCR[0];
+ return (systime_t)STM32_ST_TIM->CCR[0];
}
/**
@@ -145,7 +164,7 @@ static inline systime_t st_lld_get_alarm(void) { */
static inline bool st_lld_is_alarm_active(void) {
- return (bool)((ST_TIM->DIER & STM32_TIM_DIER_CC1IE) != 0);
+ return (bool)((STM32_ST_TIM->DIER & STM32_TIM_DIER_CC1IE) != 0);
}
#endif /* _ST_LLD_H_ */
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