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SERIAL: Add advice message when no serial ports are found in SHOW SERIAL

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This commit is contained in:
Mark Pizzolato
2018-04-01 12:37:48 -07:00
parent e7090e784e
commit dcf746a72a
1 changed files with 14 additions and 10 deletions
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24
sim_serial.c
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@@ -338,17 +338,21 @@ int number = sim_serial_devices(SER_MAX_DEVICE, list);
fprintf(st, "Serial devices:\n"); fprintf(st, "Serial devices:\n");
if (number == -1) if (number == -1)
fprintf(st, " serial support not available in simulator\n"); fprintf(st, " serial support not available in simulator\n");
else
if (number == 0)
fprintf(st, " no serial devices are available\n");
else { else {
size_t min, len; if (number == 0) {
int i; fprintf(st, " no serial devices are available.\n");
for (i=0, min=0; i<number; i++) fprintf(st, "You may need to run with privilege or set device permissions\n");
if ((len = strlen(list[i].name)) > min) fprintf(st, "to access local serial ports\n");
min = len; }
for (i=0; i<number; i++) else {
fprintf(st," ser%d\t%-*s%s%s%s\n", i, (int)min, list[i].name, list[i].desc[0] ? " (" : "", list[i].desc, list[i].desc[0] ? ")" : ""); size_t min, len;
int i;
for (i=0, min=0; i<number; i++)
if ((len = strlen(list[i].name)) > min)
min = len;
for (i=0; i<number; i++)
fprintf(st," ser%d\t%-*s%s%s%s\n", i, (int)min, list[i].name, list[i].desc[0] ? " (" : "", list[i].desc, list[i].desc[0] ? ")" : "");
}
} }
if (serial_open_device_count) { if (serial_open_device_count) {
int i; int i;