mbed library sources. Supersedes mbed-src.
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Diff: platform/mbed_critical.h
- Revision:
- 167:e84263d55307
- Parent:
- 160:d5399cc887bb
- Child:
- 178:79309dc6340a
--- a/platform/mbed_critical.h Thu Jun 08 15:02:37 2017 +0100 +++ b/platform/mbed_critical.h Wed Jun 21 17:46:44 2017 +0100 @@ -33,7 +33,7 @@ /** Determine the current interrupts enabled state * * This function can be called to determine whether or not interrupts are currently enabled. - * \note + * @note * NOTE: * This function works for both cortex-A and cortex-M, although the underlyng implementation * differs. @@ -41,10 +41,21 @@ */ bool core_util_are_interrupts_enabled(void); +/** Determine if this code is executing from an interrupt + * + * This function can be called to determine if the code is running on interrupt context. + * @note + * NOTE: + * This function works for both cortex-A and cortex-M, although the underlyng implementation + * differs. + * @return true if in an isr, false otherwise + */ +bool core_util_is_isr_active(void); + /** Mark the start of a critical section * * This function should be called to mark the start of a critical section of code. - * \note + * @note * NOTES: * 1) The use of this style of critical section is targetted at C based implementations. * 2) These critical sections can be nested. @@ -57,7 +68,7 @@ /** Mark the end of a critical section * * This function should be called to mark the end of a critical section of code. - * \note + * @note * NOTES: * 1) The use of this style of critical section is targetted at C based implementations. * 2) These critical sections can be nested. @@ -82,7 +93,7 @@ * @param[in,out] expectedCurrentValue A pointer to some location holding the * expected current value of the data being set atomically. * The computed 'desiredValue' should be a function of this current value. - * @Note: This is an in-out parameter. In the + * @note: This is an in-out parameter. In the * failure case of atomic_cas (where the * destination isn't set), the pointee of expectedCurrentValue is * updated with the current value. @@ -105,7 +116,7 @@ * return true * } * - * @Note: In the failure case (where the destination isn't set), the value + * @note: In the failure case (where the destination isn't set), the value * pointed to by expectedCurrentValue is still updated with the current value. * This property helps writing concise code for the following incr: * @@ -135,7 +146,7 @@ * @param[in,out] expectedCurrentValue A pointer to some location holding the * expected current value of the data being set atomically. * The computed 'desiredValue' should be a function of this current value. - * @Note: This is an in-out parameter. In the + * @note: This is an in-out parameter. In the * failure case of atomic_cas (where the * destination isn't set), the pointee of expectedCurrentValue is * updated with the current value. @@ -158,7 +169,7 @@ * return true * } * - * @Note: In the failure case (where the destination isn't set), the value + * @note: In the failure case (where the destination isn't set), the value * pointed to by expectedCurrentValue is still updated with the current value. * This property helps writing concise code for the following incr: * @@ -188,7 +199,7 @@ * @param[in,out] expectedCurrentValue A pointer to some location holding the * expected current value of the data being set atomically. * The computed 'desiredValue' should be a function of this current value. - * @Note: This is an in-out parameter. In the + * @note: This is an in-out parameter. In the * failure case of atomic_cas (where the * destination isn't set), the pointee of expectedCurrentValue is * updated with the current value. @@ -211,7 +222,7 @@ * return true * } * - * @Note: In the failure case (where the destination isn't set), the value + * @note: In the failure case (where the destination isn't set), the value * pointed to by expectedCurrentValue is still updated with the current value. * This property helps writing concise code for the following incr: * @@ -241,7 +252,7 @@ * @param[in,out] expectedCurrentValue A pointer to some location holding the * expected current value of the data being set atomically. * The computed 'desiredValue' should be a function of this current value. - * @Note: This is an in-out parameter. In the + * @note: This is an in-out parameter. In the * failure case of atomic_cas (where the * destination isn't set), the pointee of expectedCurrentValue is * updated with the current value. @@ -264,7 +275,7 @@ * return true * } * - * @Note: In the failure case (where the destination isn't set), the value + * @note: In the failure case (where the destination isn't set), the value * pointed to by expectedCurrentValue is still updated with the current value. * This property helps writing concise code for the following incr: *