X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=firmware%2Ffirmware.c;h=f890c15c9608429926a555adf0709d9bf2134090;hb=8ba0f3fe46cbdaab06c1cb4966f54d9e1cdd67ff;hp=fb095f5a0b12966f64f749735e639bb4bb66afd9;hpb=c02f469380b07804175d639ab8beb80ca37acc13;p=openparking.git

diff --git a/firmware/firmware.c b/firmware/firmware.c
index fb095f5..f890c15 100644
--- a/firmware/firmware.c
+++ b/firmware/firmware.c
@@ -24,6 +24,7 @@
 #define distances	(hold_regs+MB_N_HOLD_REGS_EEPROM+1)
 #define free_bitmap	(hold_regs[MB_N_HOLD_REGS_EEPROM+13])
 #define err_bitmap	(hold_regs[MB_N_HOLD_REGS_EEPROM+14])
+#define max_distances	(hold_regs+MB_N_HOLD_REGS_EEPROM+21)
 
 static void pull_trigger(uint8_t trig)
 {
@@ -78,6 +79,9 @@ static void do_measurement(unsigned char trig)
 				new_d = now - starttimes[i];
 				old_d = distances[idx];
 
+				if (new_d > max_distances[idx])
+					max_distances[idx] = new_d;
+
 				if (old_d == 0
 					|| old_d == -1) {
 					distances[idx] = new_d;