add the ability to print without adding a prefix for multi part/line prints

This commit is contained in:
Resaec 2018-09-25 23:43:52 +02:00
parent 1eb3d7969e
commit d2355cdc9b
No known key found for this signature in database
GPG key ID: 5E890BD898EA9064
4 changed files with 40 additions and 20 deletions

View file

@ -61,21 +61,23 @@ void exception_handler_main(uint32_t *registers, unsigned int exception_type) {
code_dump_size = safecpy(code_dump, (const void *)instr_addr, CODE_DUMP_SIZE);
stack_dump_size = safecpy(stack_dump, (const void *)registers[13], STACK_DUMP_SIZE);
print(SCREEN_LOG_LEVEL_ERROR, "\nException type: %s\n", exception_names[exception_type]);
print(SCREEN_LOG_LEVEL_ERROR, "\nRegisters:\n\n");
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "\nException type: %s\n",
exception_names[exception_type]);
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "\nRegisters:\n\n");
/* Print r0 to pc. */
for (int i = 0; i < 16; i += 2) {
print(SCREEN_LOG_LEVEL_ERROR, "%-7s%08"PRIX32" %-7s%08"PRIX32"\n", register_names[i], registers[i], register_names[i+1], registers[i+1]);
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "%-7s%08"PRIX32" %-7s%08"PRIX32"\n",
register_names[i], registers[i], register_names[i+1], registers[i+1]);
}
/* Print cpsr. */
print(SCREEN_LOG_LEVEL_ERROR, "%-7s%08"PRIX32"\n", register_names[16], registers[16]);
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "%-7s%08"PRIX32"\n", register_names[16], registers[16]);
print(SCREEN_LOG_LEVEL_ERROR, "\nCode dump:\n");
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "\nCode dump:\n");
hexdump(code_dump, code_dump_size, instr_addr);
print(SCREEN_LOG_LEVEL_ERROR, "\nStack dump:\n");
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "\nStack dump:\n");
hexdump(stack_dump, stack_dump_size, registers[13]);
print(SCREEN_LOG_LEVEL_ERROR, "\n");
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "\n");
fatal_error("An exception occurred!\n");
}

View file

@ -56,21 +56,11 @@ void vprint(ScreenLogLevel screen_log_level, const char *fmt, va_list args)
print_to_screen(screen_log_level, buf);
}
/**
* print - logs a message and prints it to screen based on its screen_log_level
*
* If the level is below g_screen_log_level it will not be shown but logged to UART
* UART is TODO
*/
void print(ScreenLogLevel screen_log_level, const char * fmt, ...)
{
void add_prefix(ScreenLogLevel screen_log_level, const char *fmt, char *buf) {
char typebuf[] = "[%s] %s";
char buf[PRINT_MESSAGE_MAX_LENGTH] = {};
char message[PRINT_MESSAGE_MAX_LENGTH] = {};
/* apply prefix and append message format */
/* TODO: add coloring to the output */
/* TODO: make splash disappear if level > MANDATORY */
switch(screen_log_level)
{
case SCREEN_LOG_LEVEL_ERROR:
@ -91,6 +81,32 @@ void print(ScreenLogLevel screen_log_level, const char * fmt, ...)
default:
break;
}
}
/**
* print - logs a message and prints it to screen based on its screen_log_level
*
* If the level is below g_screen_log_level it will not be shown but logged to UART
* Use SCREEN_LOG_LEVEL_NO_PREFIX if you don't want a prefix to be added
* UART is TODO
*/
void print(ScreenLogLevel screen_log_level, const char * fmt, ...)
{
char buf[PRINT_MESSAGE_MAX_LENGTH] = {};
char message[PRINT_MESSAGE_MAX_LENGTH] = {};
/* TODO: make splash disappear if level > MANDATORY */
/* make prefix free messages with log_level possible */
if(screen_log_level & SCREEN_LOG_LEVEL_NO_PREFIX) {
/* remove the NO_PREFIX flag so the enum can be recognized later on */
screen_log_level &= ~SCREEN_LOG_LEVEL_NO_PREFIX;
snprintf(buf, PRINT_MESSAGE_MAX_LENGTH, "%s", fmt);
}
else {
add_prefix(screen_log_level, fmt, buf);
}
/* input arguments */
va_list args;

View file

@ -27,7 +27,9 @@ typedef enum {
SCREEN_LOG_LEVEL_WARNING = 2,
SCREEN_LOG_LEVEL_MANDATORY = 3, /* no log prefix */
SCREEN_LOG_LEVEL_INFO = 4,
SCREEN_LOG_LEVEL_DEBUG = 5
SCREEN_LOG_LEVEL_DEBUG = 5,
SCREEN_LOG_LEVEL_NO_PREFIX = 0x100 /* OR this to your LOG_LEVEL to prevent prefix creation */
} ScreenLogLevel;
/* TODO: make this configurable by BCT.ini */

View file

@ -97,7 +97,7 @@ __attribute__((noreturn)) void fatal_error(const char *fmt, ...) {
va_start(args, fmt);
vprint(SCREEN_LOG_LEVEL_ERROR, fmt, args);
va_end(args);
print(SCREEN_LOG_LEVEL_ERROR, "\n Press POWER to reboot.\n");
print(SCREEN_LOG_LEVEL_ERROR | SCREEN_LOG_LEVEL_NO_PREFIX, "\n Press POWER to reboot.\n");
wait_for_button_and_reboot();
}