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Merge pull request #116 from andresv/qei-tim-used-checks 

Add checks to STM32 QEI driver if TIMx is already used
This commit is contained in:
Fabien Poussin 2017-06-05 12:21:51 +02:00 committed by GitHub
parent f6fb9f4c77 c5be9cd85b
commit 3ff5a092fc
1 changed files with 54 additions and 4 deletions
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58
os/hal/ports/STM32/LLD/TIMv1/hal_qei_lld.h
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@ -182,6 +182,56 @@
#error "QEI driver activated but no TIM peripheral assigned"
#endif
/* Checks on allocation of TIMx units.*/
#if STM32_QEI_USE_TIM1
#if defined(STM32_TIM1_IS_USED)
#error "QEID1 requires TIM1 but the timer is already used"
#else
#define STM32_TIM1_IS_USED
#endif
#endif
#if STM32_QEI_USE_TIM2
#if defined(STM32_TIM2_IS_USED)
#error "QEID2 requires TIM2 but the timer is already used"
#else
#define STM32_TIM2_IS_USED
#endif
#endif
#if STM32_QEI_USE_TIM3
#if defined(STM32_TIM3_IS_USED)
#error "QEID3 requires TIM3 but the timer is already used"
#else
#define STM32_TIM3_IS_USED
#endif
#endif
#if STM32_QEI_USE_TIM4
#if defined(STM32_TIM4_IS_USED)
#error "QEID4 requires TIM4 but the timer is already used"
#else
#define STM32_TIM4_IS_USED
#endif
#endif
#if STM32_QEI_USE_TIM5
#if defined(STM32_TIM5_IS_USED)
#error "QEID5 requires TIM5 but the timer is already used"
#else
#define STM32_TIM5_IS_USED
#endif
#endif
#if STM32_QEI_USE_TIM8
#if defined(STM32_TIM8_IS_USED)
#error "QEID8 requires TIM8 but the timer is already used"
#else
#define STM32_TIM8_IS_USED
#endif
#endif
/* IRQ priority checks.*/
#if STM32_QEI_USE_TIM1 && \
!OSAL_IRQ_IS_VALID_PRIORITY(STM32_QEI_TIM1_IRQ_PRIORITY)
#error "Invalid IRQ priority assigned to TIM1"
@ -286,7 +336,7 @@ typedef struct {
qeioverflow_t overflow;
/**
* @brief Min count value.
*
*
* @note If min == max, then QEI_COUNT_MIN is used.
*
* @note Only min set to 0 / QEI_COUNT_MIN is supported.
@ -294,7 +344,7 @@ typedef struct {
qeicnt_t min;
/**
* @brief Max count value.
*
*
* @note If min == max, then QEI_COUNT_MAX is used.
*
* @note Only max set to 0 / QEI_COUNT_MAX is supported.
@ -309,7 +359,7 @@ typedef struct {
/**
* @brief Notify of overflow
*
* @note Overflow notification is performed after
* @note Overflow notification is performed after
* value changed notification.
* @note Called from ISR context.
*/
@ -365,7 +415,7 @@ struct QEIDriver {
*
* @notapi
*/
#define qei_lld_set_count(qeip, value)
#define qei_lld_set_count(qeip, value)
/*===========================================================================*/
/* External declarations. */