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Merge pull request #879 from hichard/renhaibo-branch 

[Kernel] Add HWREG macro.
This commit is contained in:
Bernard Xiong 2017-10-18 09:27:50 +08:00 committed by GitHub
parent a8a7d60877 4b83744a6c
commit 97727dcc5e
1 changed files with 19 additions and 0 deletions
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19
include/rthw.h
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@ -23,6 +23,7 @@
* 2006-04-25 Bernard add rt_hw_context_switch_interrupt declaration
* 2006-09-24 Bernard add rt_hw_context_switch_to declaration
* 2012-12-29 Bernard add rt_hw_exception_install declaration
* 2017-10-17 Hichard add some micros
*/
#ifndef __RT_HW_H__
@ -34,6 +35,19 @@
extern "C" {
#endif
/*
* Some macros define
*/
#ifndef HWREG32
#define HWREG32(x) (*((volatile rt_uint32_t *)(x)))
#endif
#ifndef HWREG16
#define HWREG16(x) (*((volatile rt_uint16_t *)(x)))
#endif
#ifndef HWREG8
#define HWREG8(x) (*((volatile rt_uint8_t *)(x)))
#endif
/*
* CPU interfaces
*/
@ -98,6 +112,11 @@ void rt_hw_show_memory(rt_uint32_t addr, rt_uint32_t size);
*/
void rt_hw_exception_install(rt_err_t (*exception_handle)(void *context));
/*
* delay interfaces
*/
void rt_hw_us_delay(rt_uint32_t us);
#ifdef __cplusplus
}
#endif