1 files changed, 9 insertions, 1 deletions
diff --git a/src/debug.c b/src/debug.c
index d7babda..49e1f01 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -16,6 +16,13 @@
 #define I2C_WRITE   0
 #define I2C_READ    1
 
+void debug_crash() {
+  for(;;) {
+    LED_DEBUG_PORT ^= _BV(LED_DEBUG); 
+    _delay_ms(500);
+  }
+}
+
 void scroll_test() {
   //sets scroll area to whole screen
   i2c_write_reg_multi(SSD1306_ADDR, SSD1306_CMD_REG, 3, (uint8_t[]){0xa3, 0x00, 0x20});
@@ -92,10 +99,11 @@ void test_timer() {
 }
 
 void eeprom_testbyte() {
-  uint8_t data_in = 0xde;
+  uint8_t data_in = 0xdf;
   uint8_t data_out = 0;
   printf("writing 0x%x to eeprom...\r\n", data_in);
   EEPROM_WRITEBYTE(0x0000, data_in);
+  _delay_ms(10); //max write cycle time
   data_out = EEPROM_READBYTE(0x0000);
   printf("byte read from eeprom: 0x%x\r\n", data_out);
 }