rmt(fix): improve code reliability

SuGlider · Copilot · web-flow · commit a1988048fc03 · 2025-09-05T17:51:26.000-03:00
Co-authored-by: Copilot &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/cores/esp32/esp32-hal-rmt.c b/cores/esp32/esp32-hal-rmt.c
@@ -311,7 +311,7 @@ static bool _rmtWrite(int pin, rmt_data_t *data, size_t num_rmt_symbols, bool bl
   //   loop > 1: transmit the data 'loop' times
   {
     char buf[12];  // place holder up to 5 + 1 + 5 + 1 bytes 
-    sprintf(buf, "%lu times", loop);
+    snprintf(buf, sizeof(buf), "%lu times", loop);
     log_v(
       "GPIO: %d - Currently in Loop Mode: [%s] | Loop Request: [%s], LoopCancel: [%s]", pin, 
       bus->rmt_ch_is_looping ? "YES" : "NO", 

Original file line number	Diff line number	Diff line change
`@@ -311,7 +311,7 @@ static bool _rmtWrite(int pin, rmt_data_t *data, size_t num_rmt_symbols, bool bl`
`311`	`311`	`// loop > 1: transmit the data 'loop' times`
`312`	`312`	`{`
`313`	`313`	`char buf[12]; // place holder up to 5 + 1 + 5 + 1 bytes`
`314`		`- sprintf(buf, "%lu times", loop);`
	`314`	`+ snprintf(buf, sizeof(buf), "%lu times", loop);`
`315`	`315`	`log_v(`
`316`	`316`	`"GPIO: %d - Currently in Loop Mode: [%s] \| Loop Request: [%s], LoopCancel: [%s]", pin,`
`317`	`317`	`bus->rmt_ch_is_looping ? "YES" : "NO",`