fix(idf): Fix compilation warnings when as component

Author: lucasssvaz

Diff for: cores/esp32/MacAddress.cpp

@@ -67,12 +67,12 @@ bool MacAddress::fromString(const char *buf) {
 
 //Parse user entered string into MAC address
 bool MacAddress::fromString6(const char *buf) {
-  char cs[18];
+  char *cs;
   char *token;
   char *next;  //Unused but required
   int i;
 
-  strncpy(cs, buf, sizeof(cs));  //strtok modifies the buffer: copy to working buffer.
+  cs = strdup(buf);
 
   for (i = 0; i < 6; i++) {
     token = strtok((i == 0) ? cs : NULL, ":");  //Find first or next token
@@ -86,12 +86,12 @@ bool MacAddress::fromString6(const char *buf) {
 }
 
 bool MacAddress::fromString8(const char *buf) {
-  char cs[24];
+  char *cs;
   char *token;
   char *next;  //Unused but required
   int i;
 
-  strncpy(cs, buf, sizeof(cs));  //strtok modifies the buffer: copy to working buffer.
+  cs = strdup(buf);
 
   for (i = 0; i < 8; i++) {
     token = strtok((i == 0) ? cs : NULL, ":");  //Find first or next token

Diff for: cores/esp32/esp32-hal-adc.c

@@ -458,7 +458,7 @@ esp_err_t __analogContinuousInit(adc_channel_t *channel, uint8_t channel_num, ad
 
 bool analogContinuous(uint8_t pins[], size_t pins_count, uint32_t conversions_per_pin, uint32_t sampling_freq_hz, void (*userFunc)(void)) {
   adc_channel_t channel[pins_count];
-  adc_unit_t adc_unit;
+  adc_unit_t adc_unit = ADC_UNIT_1;
   esp_err_t err = ESP_OK;
 
   //Convert pins to channels and check if all are ADC1s unit