V 0.0.2

F1-nolib/chronometer/Makefile

@@ -8,10 +8,10 @@ MCU			?= F103x8
 # density (stm32f10x.h, lines 70-84)
 DENSITY 	?= MD
 # change this linking script depending on particular MCU model,
-LDSCRIPT	?= stm32f103x8.ld
+LDSCRIPT	?= stm32f103xB.ld
 DEFS		= -DVERSION=\"0.0.1\"
 # debug
-DEFS		+= -DEBUG
+#DEFS		+= -DEBUG
 # proxy GPS output over USART1
 DEFS += -DUSART1PROXY
 

F1-nolib/chronometer/Readme.md

@@ -19,8 +19,15 @@ Chronometer for downhill competitions
 
 - PC13 - buzzer
 
+## LEDS
+
+- LED0 - shining when there's no PPS signal, fades for 0.25s on PPS
+- LED1 - don't shines if no GPS found, shines when time not valid, blinks when time valid
+
 ### Not implemented yet:
 
 - PA5,6,7 (SCK, MISO, MOSI) - SPI
 - PB0 - TRIG4 - ADC channel 8
 - PB6/7 (SCL, SDA) - I2C
+
+

F1-nolib/chronometer/flash.c

@@ -39,9 +39,7 @@
 #include "adc.h"
 #include "flash.h"
 #include "lidar.h"
-#ifdef EBUG
+#include "usart.h"  // DBG
-#include "usart.h"
-#endif
 #include <string.h> // memcpy
 
 extern uint32_t _edata, _etext, _sdata;

F1-nolib/chronometer/hardware.h

@@ -47,6 +47,8 @@ extern uint8_t buzzer_on;
 // PPS and triggers state
 // amount of triggers, should be less than 9; 5 - 0..2 - switches, 3 - LIDAR, 4 - ADC
 #define TRIGGERS_AMOUNT     (5)
+// number of LIDAR trigger
+#define LIDAR_TRIGGER       (3)
 // amount of digital triggers (on interrupts)
 #define DIGTRIG_AMOUNT      (3)
 

F1-nolib/chronometer/lidar.c

@@ -50,7 +50,7 @@ void parse_lidar_data(char *txt){
             savetrigtime();
             triggered = 1;
             lidar_triggered_dist = last_lidar_dist;
-            fillshotms(3);
+            fillshotms(LIDAR_TRIGGER);
 #ifdef EBUG
             SEND("Triggered! distance=");
             printu(1, last_lidar_dist);

F1-nolib/chronometer/main.c

@@ -240,7 +240,7 @@ int main(void){
     }
 #endif
     RCC->CSR |= RCC_CSR_RMVF; // remove reset flags
-    //iwdg_setup();
+    iwdg_setup();
 
     while (1){
         IWDG->KR = IWDG_REFRESH; // refresh watchdog

F1-nolib/chronometer/str.c

@@ -19,6 +19,7 @@
 #include "adc.h"
 #include "flash.h"
 #include "GPS.h"
+#include "lidar.h"
 #include "str.h"
 #include "time.h"
 #include "usart.h"
@@ -285,8 +286,14 @@ void show_trigger_shot(uint8_t tshot){
         if(tshot & X) tshot &= ~X;
         else continue;
         if(trigger_shot & X) trigger_shot &= ~X;
+        if(i == LIDAR_TRIGGER){
+            USB_send("LIDAR, dist=");
+            sendu(lidar_triggered_dist);
+            USB_send(", TRIG=");
+        }else{
             USB_send("TRIG");
             sendu(i);
+        }
         USB_send("=");
         USB_send(get_time(&shottime[i].Time, shottime[i].millis));
         USB_send("\n");

F1-nolib/chronometer/time.c

@@ -121,8 +121,9 @@ char *get_time(curtime *Tm, uint32_t T){
 
 
 #ifdef EBUG
-int32_t ticksdiff=0, timecntr=0, timerval, Tms1;
+int32_t timerval, Tms1;
 #endif
+int32_t timecntr=0, ticksdiff=0;
 
 uint32_t last_corr_time = 0;
 
@@ -145,8 +146,10 @@ void systick_correction(){
     SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk; // stop systick for a while
     uint32_t systick_val = SysTick->VAL, L = SysTick->LOAD + 1;
     int32_t timer_val = Timer;
+#ifdef EBUG
     timerval = Timer;
     Tms1 = Tms;
+#endif
     Timer = 0;
     SysTick->VAL = SysTick->LOAD;
     SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk; // start it again
@@ -155,7 +158,9 @@ void systick_correction(){
     if(last_corr_time){
         if(Tms - last_corr_time < 1500){ // there was perevious PPS signal
             int32_t D = L * (Tms - 1000 - last_corr_time) + (SysTick->LOAD - systick_val); // amount of spare ticks
+#ifdef EBUG
             ++timecntr;
+#endif
             ticksdiff += D;
             uint32_t ticksabs = (ticksdiff < 0) ? -ticksdiff : ticksdiff;
             // 10000 == 30 seconds * 1000 interrupts per second