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iio: C API changes and C++ API enhancements

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- C API read/write integer functions changed to int to match C types
- C API now has close function to release resources acquired during init
- iio internal type isr_event() function now has args param in signature
- C++ API now supports events with handler interface and new data structure
- C and C++ examples updated to use API changes

Signed-off-by: Henry Bruce <henry.bruce@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Henry Bruce
2015-12-14 11:50:30 -08:00
committed by Brendan Le Foll
parent 5f01de1bf1
commit 8e4a809f12
6 changed files with 186 additions and 42 deletions
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include/mraa_internal_types.h
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@@ -139,7 +139,7 @@ struct _iio {
int fp_event; /**< event file descriptor for IIO device */
void (* isr)(char* data); /**< the interupt service request */
void *isr_args; /**< args return when interupt service request triggered */
void (* isr_event)(struct iio_event_data* data); /**< the event interupt service request */
void (* isr_event)(struct iio_event_data* data, void* args); /**< the event interupt service request */
int chan_num;
pthread_t thread_id; /**< the isr handler thread id */
mraa_iio_channel* channels;