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libatrf: added SRAM access functions

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- tools/include/atrf.h (atrf_sram_write, atrf_sram_read),
  tools/lib/atrf.c: single-byte SRAM access front-end functions
- tools/lib/driver.h (struct atrf_driver): new driver functions
  sram_write and sram_read
This commit is contained in:
Werner Almesberger 2011-06-03 13:52:13 -03:00
parent cbd0fe54b7
commit 472e18294c
3 changed files with 17 additions and 0 deletions
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3
tools/include/atrf.h
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@ -52,6 +52,9 @@ uint8_t atrf_reg_read(struct atrf_dsc *dsc, uint8_t reg);
void atrf_buf_write(struct atrf_dsc *dsc, const void *buf, int size); void atrf_buf_write(struct atrf_dsc *dsc, const void *buf, int size);
int atrf_buf_read(struct atrf_dsc *dsc, void *buf, int size); int atrf_buf_read(struct atrf_dsc *dsc, void *buf, int size);
void atrf_sram_write(struct atrf_dsc *dsc, uint8_t addr, uint8_t value);
uint8_t atrf_sram_read(struct atrf_dsc *dsc, uint8_t addr);
int atrf_interrupt(struct atrf_dsc *dsc); int atrf_interrupt(struct atrf_dsc *dsc);
#endif /* !ATRF_H */ #endif /* !ATRF_H */

12
tools/lib/atrf.c
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@ -305,6 +305,18 @@ int atrf_buf_read(struct atrf_dsc *dsc, void *buf, int size)
} }
void atrf_sram_write(struct atrf_dsc *dsc, uint8_t addr, uint8_t value)
{
dsc->driver->sram_write(dsc->handle, addr, value);
}
uint8_t atrf_sram_read(struct atrf_dsc *dsc, uint8_t addr)
{
return dsc->driver->sram_read(dsc->handle, addr);
}
int atrf_interrupt(struct atrf_dsc *dsc) int atrf_interrupt(struct atrf_dsc *dsc)
{ {
return return

2
tools/lib/driver.h
View File

@ -33,6 +33,8 @@ struct atrf_driver {
uint8_t (*reg_read)(void *dsc, uint8_t reg); uint8_t (*reg_read)(void *dsc, uint8_t reg);
void (*buf_write)(void *dsc, const void *buf, int size); void (*buf_write)(void *dsc, const void *buf, int size);
int (*buf_read)(void *dsc, void *buf, int size); int (*buf_read)(void *dsc, void *buf, int size);
void (*sram_write)(void *dsc, uint8_t addr, uint8_t value);
uint8_t (*sram_read)(void *dsc, uint8_t addr);
int (*interrupt)(void *dsc); int (*interrupt)(void *dsc);
}; };