Use parse_uint helper to replace strtoul call in jtag_tap_by_string.

[openocd.git] / src / jtag / core.c

diff --git a/src/jtag/core.c b/src/jtag/core.c
index 4d4d278347ffc0963b40633d362545f3d3ad9176..4c91abeeed7c8c40d653a60c1e48863b45c72e46 100644 (file)
--- a/src/jtag/core.c
+++ b/src/jtag/core.c
@@ -103,7 +103,7 @@ static int speed_khz = 0;
 static bool hasKHz = false;
 static int jtag_speed = 0;
 
-struct jtag_interface_s *jtag = NULL;
+static struct jtag_interface_s *jtag = NULL;
 
 /* configuration */
 jtag_interface_t *jtag_interface = NULL;
@@ -172,9 +172,8 @@ jtag_tap_t *jtag_tap_by_string(const char *s)
        }
 
        /* no tap found by name, so try to parse the name as a number */
-       char *cp;
-       unsigned n = strtoul(s, &cp, 0);
-       if ((s == cp) || (*cp != 0))
+       unsigned n;
+       if (parse_uint(s, &n) != ERROR_OK)
                return NULL;
 
        return jtag_tap_by_position(n);
@@ -202,6 +201,18 @@ jtag_tap_t *jtag_tap_by_position(unsigned n)
        return t;
 }
 
+jtag_tap_t* jtag_tap_next_enabled(jtag_tap_t* p)
+{
+       p = p ? p->next_tap : jtag_all_taps();
+       while (p)
+       {
+               if (p->enabled)
+                       return p;
+               p = p->next_tap;
+       }
+       return NULL;
+}
+
 const char *jtag_tap_name(const jtag_tap_t *tap)
 {
        return (tap == NULL) ? "(unknown)" : tap->dotted_name;
@@ -476,6 +487,50 @@ void jtag_add_pathmove(int num_states, const tap_state_t *path)
        cmd_queue_cur_state = path[num_states - 1];
 }
 
+int jtag_add_statemove(tap_state_t goal_state)
+{
+       tap_state_t cur_state = cmd_queue_cur_state;
+
+       LOG_DEBUG( "cur_state=%s goal_state=%s",
+               tap_state_name(cur_state),
+               tap_state_name(goal_state) );
+
+
+       if (goal_state==cur_state )
+               ;       /* nothing to do */
+       else if( goal_state==TAP_RESET )
+       {
+               jtag_add_tlr();
+       }
+       else if( tap_is_state_stable(cur_state) && tap_is_state_stable(goal_state) )
+       {
+               unsigned tms_bits  = tap_get_tms_path(cur_state, goal_state);
+               unsigned tms_count = tap_get_tms_path_len(cur_state, goal_state);
+               tap_state_t moves[8];
+               assert(tms_count < DIM(moves));
+
+               for (unsigned i = 0; i < tms_count; i++, tms_bits >>= 1)
+               {
+                       bool bit = tms_bits & 1;
+
+                       cur_state = tap_state_transition(cur_state, bit);
+                       moves[i] = cur_state;
+               }
+
+               jtag_add_pathmove(tms_count, moves);
+       }
+       else if( tap_state_transition(cur_state, true)  == goal_state
+               ||   tap_state_transition(cur_state, false) == goal_state )
+       {
+               jtag_add_pathmove(1, &goal_state);
+       }
+
+       else
+               return ERROR_FAIL;
+
+       return ERROR_OK;
+}
+
 void jtag_add_runtest(int num_cycles, tap_state_t state)
 {
        jtag_prelude(state);
@@ -1178,6 +1233,27 @@ unsigned jtag_get_speed_khz(void)
 {
        return speed_khz;
 }
+int jtag_config_khz(unsigned khz)
+{
+       LOG_DEBUG("handle jtag khz");
+       jtag_set_speed_khz(khz);
+
+       int cur_speed = 0;
+       if (jtag != NULL)
+       {
+               LOG_DEBUG("have interface set up");
+               int speed_div1;
+               int retval = jtag->khz(jtag_get_speed_khz(), &speed_div1);
+               if (ERROR_OK != retval)
+               {
+                       jtag_set_speed_khz(0);
+                       return retval;
+               }
+               cur_speed = speed_div1;
+       }
+       return jtag_set_speed(cur_speed);
+}
+
 int jtag_get_speed(void)
 {
        return jtag_speed;
@@ -1192,6 +1268,12 @@ int jtag_set_speed(int speed)
        return jtag ? jtag->speed(speed) : ERROR_OK;
 }
 
+int jtag_get_speed_readable(int *speed)
+{
+       return jtag ? jtag->speed_div(jtag_get_speed(), speed) : ERROR_OK;
+}
+
+
 void jtag_set_verify(bool enable)
 {
        jtag_verify = enable;
@@ -1222,50 +1304,6 @@ int jtag_srst_asserted(int *srst_asserted)
        return jtag->srst_asserted(srst_asserted);
 }
 
-int jtag_add_statemove(tap_state_t goal_state)
-{
-       tap_state_t cur_state = cmd_queue_cur_state;
-
-       LOG_DEBUG( "cur_state=%s goal_state=%s",
-               tap_state_name(cur_state),
-               tap_state_name(goal_state) );
-
-
-       if (goal_state==cur_state )
-               ;       /* nothing to do */
-       else if( goal_state==TAP_RESET )
-       {
-               jtag_add_tlr();
-       }
-       else if( tap_is_state_stable(cur_state) && tap_is_state_stable(goal_state) )
-       {
-               unsigned tms_bits  = tap_get_tms_path(cur_state, goal_state);
-               unsigned tms_count = tap_get_tms_path_len(cur_state, goal_state);
-               tap_state_t moves[8];
-               assert(tms_count < DIM(moves));
-
-               for (unsigned i = 0; i < tms_count; i++, tms_bits >>= 1)
-               {
-                       bool bit = tms_bits & 1;
-
-                       cur_state = tap_state_transition(cur_state, bit);
-                       moves[i] = cur_state;
-               }
-
-               jtag_add_pathmove(tms_count, moves);
-       }
-       else if( tap_state_transition(cur_state, true)  == goal_state
-               ||   tap_state_transition(cur_state, false) == goal_state )
-       {
-               jtag_add_pathmove(1, &goal_state);
-       }
-
-       else
-               return ERROR_FAIL;
-
-       return ERROR_OK;
-}
-
 enum reset_types jtag_get_reset_config(void)
 {
        return jtag_reset_config;