aw/pentabug
1
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

better sond measurment, tolerant to static voltage on piezo

Browse Source
This commit is contained in:
bigalex 2012-10-05 23:11:24 +02:00
parent f1690c6cd1
commit 5d3c3bcb51
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
firmware/main.c
View File

@ -44,6 +44,7 @@ void modeswitch_poll(void){
void do_mode0(void){ void do_mode0(void){
static timer_t mytimer; static timer_t mytimer;
static uint16_t maxval; static uint16_t maxval;
static uint16_t lastmaxval;
uint16_t curval; uint16_t curval;
if (ModeChanged){ if (ModeChanged){
@ -54,10 +55,14 @@ void do_mode0(void){
maxval=0; maxval=0;
}; };
if(timer_expired(&mytimer)){ if(timer_expired(&mytimer)){
if(maxval>lastmaxval){
USART0_put_uint16(maxval); USART0_put_uint16(maxval);
USART0_crlf(); USART0_crlf();
};
timer_set(&mytimer, 1); timer_set(&mytimer, 1);
if (maxval>0) {led_on(LED_R|LED_L);} else {led_off(LED_R|LED_L);}; if (maxval>lastmaxval) {led_on(LED_R|LED_L);} else {led_off(LED_R|LED_L);};
lastmaxval=maxval;
maxval=0; maxval=0;