Status and Error Codes returned by CMSIS-RTOS API functions.
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| enum | osStatus {
osOK = 0,
osEventSignal = 0x08,
osEventMessage = 0x10,
osEventMail = 0x20,
osEventTimeout = 0x40,
osErrorParameter = 0x80,
osErrorResource = 0x81,
osErrorTimeoutResource = 0xC1,
osErrorISR = 0x82,
osErrorISRRecursive = 0x83,
osErrorPriority = 0x84,
osErrorNoMemory = 0x85,
osErrorValue = 0x86,
osErrorOS = 0xFF,
os_status_reserved = 0x7FFFFFFF
} |
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The Status and Error Codes section lists all the return values that the CMSIS-RTOS functions will return.
- Note
- MUST REMAIN UNCHANGED: osStatus shall be consistent in every CMSIS-RTOS.
The osStatus enumeration defines the event status and error codes that are returned by the CMSIS-RTOS functions.
| Enumerator |
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| osOK |
function completed; no error or event occurred.
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| osEventSignal |
function completed; signal event occurred.
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| osEventMessage |
function completed; message event occurred.
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| osEventMail |
function completed; mail event occurred.
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| osEventTimeout |
function completed; timeout occurred.
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| osErrorParameter |
parameter error: a mandatory parameter was missing or specified an incorrect object.
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| osErrorResource |
resource not available: a specified resource was not available.
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| osErrorTimeoutResource |
resource not available within given time: a specified resource was not available within the timeout period.
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| osErrorISR |
not allowed in ISR context: the function cannot be called from interrupt service routines.
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| osErrorISRRecursive |
function called multiple times from ISR with same object.
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| osErrorPriority |
system cannot determine priority or thread has illegal priority.
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| osErrorNoMemory |
system is out of memory: it was impossible to allocate or reserve memory for the operation.
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| osErrorValue |
value of a parameter is out of range.
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| osErrorOS |
unspecified RTOS error: run-time error but no other error message fits.
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| os_status_reserved |
prevent from enum down-size compiler optimization.
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