#ifndef JTAG_COMMANDS_H
#define JTAG_COMMANDS_H
-#include "jtag.h"
+#include <jtag/jtag.h>
/**
* The inferred type of a scan_command_s structure, indicating whether
* The scan_command provide a means of encapsulating a set of scan_field_s
* structures that should be scanned in/out to the device.
*/
-typedef struct scan_command_s
-{
+struct scan_command {
/// instruction/not data scan
bool ir_scan;
/// number of fields in *fields array
int num_fields;
/// pointer to an array of data scan fields
- scan_field_t* fields;
+ struct scan_field* fields;
/// state in which JTAG commands should finish
tap_state_t end_state;
-} scan_command_t;
+};
-typedef struct statemove_command_s
-{
+struct statemove_command {
/// state in which JTAG commands should finish
tap_state_t end_state;
-} statemove_command_t;
+};
-typedef struct pathmove_command_s
-{
+struct pathmove_command {
/// number of states in *path
int num_states;
/// states that have to be passed
tap_state_t* path;
-} pathmove_command_t;
+};
-typedef struct runtest_command_s
-{
+struct runtest_command {
/// number of cycles to spend in Run-Test/Idle state
int num_cycles;
/// state in which JTAG commands should finish
tap_state_t end_state;
-} runtest_command_t;
+};
-typedef struct stableclocks_command_s
-{
+struct stableclocks_command {
/// number of clock cycles that should be sent
int num_cycles;
-} stableclocks_command_t;
+};
-typedef struct reset_command_s
-{
- /// Set TRST output: 0=deassert, 1=assert, -1=no change
+struct reset_command {
+ /// Set TRST output: 0 = deassert, 1 = assert, -1 = no change
int trst;
- /// Set SRST output: 0=deassert, 1=assert, -1=no change
+ /// Set SRST output: 0 = deassert, 1 = assert, -1 = no change
int srst;
-} reset_command_t;
+};
-typedef struct end_state_command_s
-{
+struct end_state_command {
/// state in which JTAG commands should finish
tap_state_t end_state;
-} end_state_command_t;
+};
-typedef struct sleep_command_s
-{
+struct sleep_command {
/// number of microseconds to sleep
- u32 us;
-} sleep_command_t;
+ uint32_t us;
+};
/**
* Defines a container type that hold a pointer to a JTAG command
* structure of any defined type.
*/
-typedef union jtag_command_container_u
-{
- scan_command_t* scan;
- statemove_command_t* statemove;
- pathmove_command_t* pathmove;
- runtest_command_t* runtest;
- stableclocks_command_t* stableclocks;
- reset_command_t* reset;
- end_state_command_t* end_state;
- sleep_command_t* sleep;
-} jtag_command_container_t;
+union jtag_command_container {
+ struct scan_command* scan;
+ struct statemove_command* statemove;
+ struct pathmove_command* pathmove;
+ struct runtest_command* runtest;
+ struct stableclocks_command* stableclocks;
+ struct reset_command* reset;
+ struct end_state_command* end_state;
+ struct sleep_command* sleep;
+};
/**
- * The type of the @c jtag_command_container_u contained by a
+ * The type of the @c jtag_command_container contained by a
* @c jtag_command_s structure.
*/
enum jtag_command_type {
JTAG_STABLECLOCKS = 8
};
-typedef struct jtag_command_s
-{
- jtag_command_container_t cmd;
+struct jtag_command {
+ union jtag_command_container cmd;
enum jtag_command_type type;
- struct jtag_command_s* next;
-} jtag_command_t;
+ struct jtag_command *next;
+};
/// The current queue of jtag_command_s structures.
-jtag_command_t* jtag_command_queue;
+extern struct jtag_command* jtag_command_queue;
void* cmd_queue_alloc(size_t size);
void cmd_queue_free(void);
-void jtag_queue_command(jtag_command_t *cmd);
+void jtag_queue_command(struct jtag_command *cmd);
void jtag_command_queue_reset(void);
-enum scan_type jtag_scan_type(const scan_command_t* cmd);
-int jtag_scan_size(const scan_command_t* cmd);
-int jtag_read_buffer(u8* buffer, const scan_command_t* cmd);
-int jtag_build_buffer(const scan_command_t* cmd, u8** buffer);
+enum scan_type jtag_scan_type(const struct scan_command* cmd);
+int jtag_scan_size(const struct scan_command* cmd);
+int jtag_read_buffer(uint8_t* buffer, const struct scan_command* cmd);
+int jtag_build_buffer(const struct scan_command* cmd, uint8_t** buffer);
#endif // JTAG_COMMANDS_H