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doc: cm3: dwt: include existing documentation

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This commit is contained in:
Karl Palsson 2019-06-25 13:21:38 +00:00
parent 1b10a0871c
commit e5b5ba0f9c
1 changed files with 28 additions and 0 deletions
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lib/cm3/dwt.c
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@ -1,3 +1,29 @@
/** @defgroup CM3_dwt_file DWT
*
* @ingroup CM3_files
*
* @brief <b>libopencm3 Cortex-M Data Watchpoint and Trace unit</b>
*
* The DWT provides
* * Comparators, that support
* * watch points
* * data tracing
* * signalling to ETM
* * PC value tracing
* * cycle count matching
* * extra PC sampling
* * Sampling as a result of a clock count
* * external access for sampling
* * exception trace
* * performance profiling counters.
*
* Which of these features are available is unfortunately implementation defined.
*
* @see ARMv7m Architecture Reference Manual (Chapter ARMv7-M Debug)
*
* LGPL License Terms @ref lgpl_license
* @{
*/
/* /*
* This file is part of the libopencm3 project. * This file is part of the libopencm3 project.
* *
@ -75,3 +101,5 @@ uint32_t dwt_read_cycle_counter(void)
} }
#endif /* defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__) */ #endif /* defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__) */
} }
/**@}*/