Core/Src/DHT11.c

@@ -31,11 +31,8 @@ static size_t dht11_read_value(struct DHT11_Data *data)
 
 	register uint32_t read_register = 0;
 
-	HAL_TIM_Base_Start(&htim2);
-
-	// try to trigger the output
-	for (int t = 0; t < 10; t++) {
 	TIM2->CNT = 0;
+	HAL_TIM_Base_Start(&htim2);
 
 	GPIOD->MODER |= 0x00400000;       // enable output mode on GPIOD 11
 
@@ -51,14 +48,12 @@ static size_t dht11_read_value(struct DHT11_Data *data)
 	// reading pull down from DHT11
 	SKIP_LOW;
 
-		// waiting for response
+	// waiting for 500ms max
-		for (size_t i = TIM2->CNT + (200000 << 4); TIM2->CNT <= i; )
+	for (size_t i = TIM2->CNT + (500000 << 4); TIM2->CNT <= i; )
 		if (!(GPIOD->IDR & 0x0800))
 			goto reading_data;
-	}
 
 	// if didn't exit through goto, then DHT11 awaiting has timed out
-	HAL_TIM_Base_Stop(&htim2);
 	return 1;
 
 reading_data:

Core/Src/KSZ8081RND.c

@@ -98,7 +98,6 @@ int ReadRegister(uint32_t reg, uint16_t *value)
 
 	ETH->MACMIIAR = tmpreg1;
 
-	TIM2->CNT = 0;
 	HAL_TIM_Base_Start(&htim2);
 
 	while (ETH->MACMIIAR & 1) {
@@ -123,7 +122,6 @@ int WriteRegister(uint32_t reg, uint16_t value)
 	ETH->MACMIIDR = value;
 	ETH->MACMIIAR = tmpreg1;
 
-	TIM2->CNT = 0;
 	HAL_TIM_Base_Start(&htim2);
 
 	while (ETH->MACMIIAR & 1) {

Core/Src/LSM9DS1.c

@@ -32,6 +32,8 @@ static void print_error_message(HAL_StatusTypeDef result, size_t *err_count, siz
 		display_write_data_seq("TIMEOUT");
 		break;
 	}
+
+	HAL_Delay(1000);
 }
 
 static void print_error_accel(HAL_StatusTypeDef result, size_t *err_count, size_t t, char *prefix)
@@ -85,6 +87,11 @@ int LSM9DS1_test_accel(void)
 
 		return 0;
 	} else {
+		DISPLAY_SET_CURSOR(1, 4);
+		display_write_data_byte('0' + ((err_count / 10) % 10));
+		display_write_data_byte('0' + (err_count % 10));
+		display_write_data_seq(" errors");
+
 		return 1;
 	}
 }
@@ -122,6 +129,11 @@ int LSM9DS1_test_magnet(void)
 
 		return 0;
 	} else {
+		DISPLAY_SET_CURSOR(1, 4);
+		display_write_data_byte('0' + ((err_count / 10) % 10));
+		display_write_data_byte('0' + (err_count % 10));
+		display_write_data_seq(" errors");
+
 		return 1;
 	}
 }