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Add --code-size option #83

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Add --code-size option #83

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15 changes: 13 additions & 2 deletions teensy_loader_cli.c
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@ void usage(const char *err)
"\t-b : Boot only, do not program\n"
"\t-v : Verbose output\n"
"\nUse `teensy_loader_cli --list-mcus` to list supported MCUs.\n"
"\nUse `teensy_loader_cli --mcu=<MCU> --code-size` to list available program size for <MCU>.\n"
"\nFor more information, please visit:\n"
"http://www.pjrc.com/teensy/loader_cli.html\n");
exit(1);
Expand Down Expand Up @@ -76,6 +77,7 @@ int hard_reboot_device = 0;
int soft_reboot_device = 0;
int reboot_after_programming = 1;
int verbose = 0;
int print_code_size = 0;
int boot_only = 0;
int code_size = 0, block_size = 0;
const char *filename=NULL;
Expand All @@ -96,12 +98,16 @@ int main(int argc, char **argv)

// parse command line arguments
parse_options(argc, argv);
if (!filename && !boot_only) {
if (!filename && !boot_only && !print_code_size) {
usage("Filename must be specified");
}
if (!code_size) {
usage("MCU type must be specified");
}
} else if (print_code_size) {
fprintf(stdout, "Available program size (bytes): %d", code_size);
exit(0);
}

printf_verbose("Teensy Loader, Command Line, Version 2.2\n");

if (block_size == 512 || block_size == 1024) {
Expand Down Expand Up @@ -1169,6 +1175,11 @@ void parse_options(int argc, char **argv)
if(strcasecmp(name, "help") == 0) usage(NULL);
else if(strcasecmp(name, "mcu") == 0) read_mcu(val);
else if(strcasecmp(name, "list-mcus") == 0) list_mcus();
else if(strcasecmp(name, "code-size") == 0) {
//reset index because a value was expected
i--;
print_code_size = 1;
}
else {
fprintf(stderr, "Unknown option \"%s\"\n\n", arg);
usage(NULL);
Expand Down