X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=bike-lights.git;a=blobdiff_plain;f=logging.c;h=05716bf1050cdc6d4aa907e7bc3a8d90e181dc47;hp=0ade2010ffc61e19b1a52d65b13df2b06fae20a2;hb=4db795a97ff9bf1d859b797242df8f4564231f82;hpb=4dcd70de690010bdf0a3489d06508f2ab624b474

diff --git a/logging.c b/logging.c
index 0ade201..05716bf 100644
--- a/logging.c
+++ b/logging.c
@@ -13,6 +13,7 @@ static unsigned char log_state EEMEM;
 /* Upper 4 bits are reset count, lower 4 bits are reset reason from MCUSR */
 static unsigned char reboot_count EEMEM = 0;
 static unsigned char can_write_eeprom = 0;
+static uint16_t flushed_end;
 
 void log_set_state(unsigned char val)
 {
@@ -40,6 +41,7 @@ void log_init()
 
 	log_set_state(1);
 	log_buffer_count = 0;
+	flushed_end = 0;
 }
 
 void log_byte(unsigned char byte) {
@@ -61,16 +63,18 @@ void log_word(uint16_t word) {
 void log_flush() {
 	unsigned char i;
 
-	log_buffer_count = LOG_BUFFER;
-
 	if (!can_write_eeprom)
 		return;
 
-	for (i=0; i < LOG_BUFFER; i++) {
+	for (i=flushed_end; i < log_buffer_count; i++) {
 		eeprom_write_byte(&log_buffer_ee[i],
 			log_buffer[i]);
 	}
-	log_set_state(0x42);
+
+	flushed_end = i;
+
+	if (flushed_end == LOG_BUFFER)
+		log_set_state(0x42);
 }
 
 #endif