April 2011
Intermediate to advanced
552 pages
12h 18m
English
Content preview from The Definitive Guide to the ARM Cortex-M0
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Appendix C. CMSIS Quick Reference
The Cortex Microcontroller Software Interface Standard (CMSIS) contains a number of standardized functions:
• Core peripheral access functions
• Core register access functions
• Special instruction access functions
This appendix covers the basic information about these functions and other information related to using the CMSIS.
Data Type
The CMSIS uses standard data types defined in “stdint.h” (Table C.1).
| Type | Data |
|---|---|
| uint32_t | Unsigned 32-bit integer |
| uint16_t | Unsigned 16-bit integer |
| uint8_t | Unsigned 8-bit integer |
Exception Enumeration
Instead of using integer values for exception types, the CMSIS uses the IRQn enumeration to identify exceptions. The CMSIS defines the following enumeration ...
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