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armv7m_trace, stlink: provide APIs to capture trace with an adapter

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Change-Id: I9d193dd5af382912e4fe838bd4f612cffd11b295
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2540
Tested-by: jenkins
This commit is contained in:
Paul Fertser
2015-02-10 13:32:07 +03:00
committed by Spencer Oliver
parent a09a75653d
commit 6819468a78
9 changed files with 234 additions and 203 deletions
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29
src/jtag/interface.h
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@@ -28,6 +28,7 @@
#define OPENOCD_JTAG_INTERFACE_H
#include <jtag/jtag.h>
#include <target/armv7m_trace.h>
/* @file
* The "Cable Helper API" is what the cable drivers can use to help
@@ -298,11 +299,39 @@ struct jtag_interface {
* @returns ERROR_OK on success, or an error code on failure.
*/
int (*srst_asserted)(int *srst_asserted);
/**
* Configure trace parameters for the adapter
*
* @param enabled Whether to enable trace
* @param pin_protocol Configured pin protocol
* @param port_size Trace port width for sync mode
* @param trace_freq A pointer to the configured trace
* frequency; if it points to 0, the adapter driver must write
* its maximum supported rate there
* @returns ERROR_OK on success, an error code on failure.
*/
int (*config_trace)(bool enabled, enum tpio_pin_protocol pin_protocol,
uint32_t port_size, unsigned int *trace_freq);
/**
* Poll for new trace data
*
* @param buf A pointer to buffer to store received data
* @param size A pointer to buffer size; must be filled with
* the actual amount of bytes written
*
* @returns ERROR_OK on success, an error code on failure.
*/
int (*poll_trace)(uint8_t *buf, size_t *size);
};
extern const char * const jtag_only[];
void adapter_assert_reset(void);
void adapter_deassert_reset(void);
int adapter_config_trace(bool enabled, enum tpio_pin_protocol pin_protocol,
uint32_t port_size, unsigned int *trace_freq);
int adapter_poll_trace(uint8_t *buf, size_t *size);
#endif /* OPENOCD_JTAG_INTERFACE_H */