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Add debug pin-tracing code for investigation.

This commit is contained in:
Phil Hord 2013-10-27 16:05:00 -04:00 committed by Markus Hitter
parent b65efe9b03
commit a81f35022a
1 changed files with 29 additions and 0 deletions
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29
simulator/simulator.c
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@ -41,8 +41,10 @@ void sim_start(int argc, char** argv) {
static void fgreen(void) { fputs("\033[0;32m" , stdout); } static void fgreen(void) { fputs("\033[0;32m" , stdout); }
static void fred(void) { fputs("\033[0;31m" , stdout); } static void fred(void) { fputs("\033[0;31m" , stdout); }
static void fcyan(void) { fputs("\033[0;36m" , stdout); }
static void fbreset(void) { fputs("\033[m" , stdout); } static void fbreset(void) { fputs("\033[m" , stdout); }
static void bred(void) { fputs("\033[0;41m" , stdout); }
void sim_info(const char fmt[], ...) { void sim_info(const char fmt[], ...) {
va_list ap; va_list ap;
@ -66,6 +68,13 @@ void sim_debug(const char fmt[], ...) {
#endif #endif
} }
void sim_tick(char ch) {
fcyan();
fprintf(stdout, "%c", ch);
fbreset();
fflush(stdout);
}
void sim_error(const char msg[]) { void sim_error(const char msg[]) {
fred(); fred();
printf("ERROR: %s\n", msg); printf("ERROR: %s\n", msg);
@ -118,6 +127,26 @@ void WRITE(pin_t pin, bool s) {
if (direction[pin] == out) { if (direction[pin] == out) {
state[pin] = s; state[pin] = s;
} }
if (old_state != s) {
#ifdef TRACE_ALL_PINS
fgreen();
for (int i = 0; i < PIN_NB; i++) {
if (state[i]) bred(); else bblack();
fputc('A' + i, stdout);
}
fbreset();
printf("\n");
#else
bred();
if (s)
sim_tick('A' + pin);
else
sim_tick('a' + pin);
fbreset();
#endif
}
if (s && !old_state) { /* rising edge */ if (s && !old_state) { /* rising edge */
switch (pin) { switch (pin) {
case X_STEP_PIN: case X_STEP_PIN: