debug

inc/main.h

@@ -44,6 +44,7 @@ OF SUCH DAMAGE.
 #include "fwdgt.h"
 #include "board_config.h"
 #include "gd60914.h"
+#include "ultrasonic_analog.h"
 
 #ifdef SOFTWARE_IIC
 #include "soft_i2c.h"

src/fwdgt.c

@@ -15,7 +15,7 @@ void watchdog_init(void) {
     rcu_osci_stab_wait(RCU_IRC40K);
 
     /* Configure FWDGT counter clock: 40KHz(IRC40K) / 64 = 0.625 KHz */
-    fwdgt_config(625, FWDGT_PSC_DIV64); // Set timeout to 1 seconds (625 / 0.625 KHz)
+    fwdgt_config(625, FWDGT_PSC_DIV256); // Set timeout to 1 seconds (625 / 0.625 KHz)
 
     /* Enable FWDGT */
     fwdgt_enable();

src/main.c

@@ -27,23 +27,29 @@ int main(void)
     /* configure FWDGT */
     watchdog_init();
 
-#ifdef SOFTWARE_IIC
-    soft_i2c_config();
-#else
-    i2c_config();
-#endif
+// #ifdef SOFTWARE_IIC
+//     soft_i2c_config();
+// #else
+//     i2c_config();
+// #endif
 
     printf("system start!\r\n");
 
     ultrasonic_config();
 
     while(1){
-        gd60914_get_object_tempture();
+        // gd60914_get_object_tempture();
 
-        delay_ms(50);
+        delay_ms(500);
 
         ultrasonic_pwm_out_cycles(ULTRASONIC_TX_CYCLES);
 
+        delay_ms(10);
+
+        uint16_t distance = ultrasonic_calc_distance();
+
+        printf("%u\r\n", distance);
+
         watchdog_reload();
     }
 }