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Remove unused prototypes.

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Add function pointer typedef.
Switch to use /* */ comments to survive pickier compile flags.
Add dsp_uart_destroy function (takes ** pointer so it can set the pointer back to NULL)


git-svn-id: http://svn.openzap.org/svn/openzap/trunk@200 a93c3328-9c30-0410-af19-c9cd2b2d52af
This commit is contained in:
Michael Jerris committed 2007-06-03 02:56:56 +00:00
1 parent 03de9509d6
commit ff448df407
2 files changed
+32 -33
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libs/freetdm/src/dsp/uart.h
+14 -18
View File
@@ -35,18 +35,20 @@
#ifndef __UART_H__
#define __UART_H__
typedef void (*bytehandler_func_t) (void *, int);
typedef struct dsp_uart_attr_s
{
void (*bytehandler) (void *, int); // byte handler
void *bytehandler_arg; // arbitrary ID passed to bytehandler as first argument
bytehandler_func_t bytehandler; /* byte handler */
void *bytehandler_arg; /* arbitrary ID passed to bytehandler as first argument */
} dsp_uart_attr_t;
typedef struct
{
dsp_uart_attr_t attr;
int have_start; // wait for start bit to show up
int data; // data buffer
int nbits; // number of bits accumulated so far
int have_start; /* wait for start bit to show up */
int data; /* data buffer */
int nbits; /* number of bits accumulated so far */
} dsp_uart_handle_t;
/*
@@ -56,24 +58,18 @@ typedef struct
* a) create the attributes structure (dsp_uart_attr_init)
* b) initialize fields in the attributes structure (dsp_uart_attr_set_*)
* c) create a Bell-202 handle (dsp_uart_create)
* d) feed samples through the handler (dsp_uart_sample)
* d) feed bits through dsp_uart_bit_handler
*/
extern void dsp_uart_attr_init (dsp_uart_attr_t *attributes);
void dsp_uart_attr_init (dsp_uart_attr_t *attributes);
extern void (*dsp_uart_attr_get_bithandler (dsp_uart_attr_t *attributes, void **bithandler_arg)) (void *, int);
extern void dsp_uart_attr_set_bithandler (dsp_uart_attr_t *attributes, void (*bithandler) (void *, int ), void *bithandler_arg);
extern void (*dsp_uart_attr_get_bytehandler (dsp_uart_attr_t *attributes, void **bytehandler_arg)) (void *, int);
extern void dsp_uart_attr_set_bytehandler (dsp_uart_attr_t *attributes, void (*bytehandler) (void *, int ), void *bytehandler_arg);
extern int dsp_uart_attr_get_samplerate (dsp_uart_attr_t *attributes);
extern int dsp_uart_attr_set_samplerate (dsp_uart_attr_t *attributes, int samplerate);
bytehandler_func_t dsp_uart_attr_get_bytehandler (dsp_uart_attr_t *attributes, void **bytehandler_arg);
void dsp_uart_attr_set_bytehandler (dsp_uart_attr_t *attributes, bytehandler_func_t bytehandler, void *bytehandler_arg);
extern dsp_uart_handle_t * dsp_uart_create (dsp_uart_attr_t *attributes);
extern void dsp_uart_destroy (dsp_uart_handle_t *handle);
dsp_uart_handle_t * dsp_uart_create (dsp_uart_attr_t *attributes);
void dsp_uart_destroy (dsp_uart_handle_t **handle);
extern void dsp_uart_sample (dsp_uart_handle_t *handle, double normalized_sample);
extern void dsp_uart_bit_handler (void *handle, int bit);
void dsp_uart_bit_handler (void *handle, int bit);
#endif // __UART_H__