[DHT11] minor bugfixes, minor speed improvements

- fix timeout awaiting, add more time
- move SKIP_LOW into dht11_measure_high_duration function to execute the function call before the PD11 line goes high, thus increasing the precision of signal length measurement

.cproject

@@ -36,7 +36,7 @@
 							</tool>
 							<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.1285639549" name="MCU/MPU GCC Compiler" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler">
 								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.75005491" name="Debug level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.value.g3" valueType="enumerated"/>
-								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.1711938240" name="Optimization level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level" useByScannerDiscovery="false"/>
+								<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.1711938240" name="Optimization level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.value.o0" valueType="enumerated"/>
 								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols.1662015804" name="Define symbols (-D)" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols" useByScannerDiscovery="false" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="DEBUG"/>
 									<listOptionValue builtIn="false" value="USE_HAL_DRIVER"/>

Core/Src/24AA02E48.c

@@ -32,6 +32,8 @@ void EEPROM_24AA02E48_run_test(void)
 			display_write_data_seq("/5 ");
 
 			switch (op_result) {
+			case HAL_OK:
+				break;
 			case HAL_ERROR:
 				display_write_data_seq("ERROR");
 				break;
@@ -64,6 +66,8 @@ void EEPROM_24AA02E48_run_test(void)
 			display_write_data_seq("/5 ");
 
 			switch (op_result) {
+			case HAL_OK:
+				break;
 			case HAL_ERROR:
 				display_write_data_seq("ERROR");
 				break;
@@ -89,10 +93,10 @@ void EEPROM_24AA02E48_run_test(void)
 		display_write_data_byte('0' + err_count / 10 % 10);
 		display_write_data_byte('0' + err_count % 10);
 		display_write_data_seq("E ");
-		display_write_data_seq(data_buffer);
+		display_write_data_seq((char *) data_buffer);
 	} else {
 		DISPLAY_SET_CURSOR(1, 1);
 		display_write_data_seq("OK ");
-		display_write_data_seq(data_buffer);
+		display_write_data_seq((char *) data_buffer);
 	}
 }

Core/Src/CS43L22.c

@@ -31,6 +31,8 @@ void CS43L22_run_test(void)
 			display_write_data_seq("/5 ");
 
 			switch (op_result) {
+			case HAL_OK:
+				break;
 			case HAL_ERROR:
 				display_write_data_seq("ERROR");
 				break;

Core/Src/DHT11.c

@@ -15,6 +15,7 @@ static void wait(uint32_t wait_us)
 
 static size_t dht11_measure_high_duration(void)
 {
+	SKIP_LOW;
 	uint32_t start_time = TIM2->CNT;
 	SKIP_HIGH;
 	uint32_t end_time = TIM2->CNT;
@@ -28,7 +29,7 @@ static size_t dht11_read_value(struct DHT11_Data *data)
 	// treat data as a normal array to simplify read loop
 	uint8_t *buffer = (uint8_t *) data;
 
-	register uint8_t read_register = 0;
+	register uint32_t read_register = 0;
 
 	TIM2->CNT = 0;
 	HAL_TIM_Base_Start(&htim2);
@@ -44,11 +45,11 @@ static size_t dht11_read_value(struct DHT11_Data *data)
 
 	GPIOD->MODER &= 0xFF3FFFFF;      // switch GPIOD 11 to input mode
 
-	// reading transmission from DHT11
+	// reading pull down from DHT11
 	SKIP_LOW;
 
-	// waiting for 50 ms max
+	// waiting for 500ms max
-	for (size_t i = TIM2->CNT + (50000 << 4); TIM2->CNT >= i; )
+	for (size_t i = TIM2->CNT + (500000 << 4); TIM2->CNT <= i; )
 		if (!(GPIOD->IDR & 0x0800))
 			goto reading_data;
 
@@ -60,11 +61,10 @@ reading_data:
 	for (size_t i = 0; i < 5; i++) {
 		for (register size_t j = 0; j < 8; j++) {
 			read_register <<= 1;
-			SKIP_LOW;
 			read_register |= dht11_measure_high_duration();
 		}
 
-		buffer[i] = read_register;
+		buffer[i] = (uint8_t) read_register;
 	}
 
 	HAL_TIM_Base_Stop(&htim2);

Core/Src/LIS302DL.c

@@ -43,6 +43,8 @@ static void print_error_message(HAL_StatusTypeDef result, size_t *err_count, siz
 	display_write_data_seq("/5 ");
 
 	switch (result) {
+	case HAL_OK:
+		break;
 	case HAL_ERROR:
 		display_write_data_seq("ERROR");
 		break;

Core/Src/LSM9DS1.c

@@ -3,8 +3,8 @@
 #include "lcd.h"
 
 #define FAILSAFE_PRE_OP for (size_t t = 0; t < 5; t++) {
-#define FAILSAFE_POST_OP_ACCEL(prefix) if (op_result) print_error_accel(op_result, err_count, t, prefix); else break; }
+#define FAILSAFE_POST_OP_ACCEL(prefix) if (op_result) print_error_accel(op_result, &err_count, t, prefix); else break; }
-#define FAILSAFE_POST_OP_MAGNET(prefix) if (op_result) print_error_magnet(op_result, err_count, t, prefix); else break; }
+#define FAILSAFE_POST_OP_MAGNET(prefix) if (op_result) print_error_magnet(op_result, &err_count, t, prefix); else break; }
 
 extern I2C_HandleTypeDef hi2c1;
 
@@ -20,6 +20,8 @@ static void print_error_message(HAL_StatusTypeDef result, size_t *err_count, siz
 	display_write_data_seq("/5 ");
 
 	switch (result) {
+	case HAL_OK:
+		break;
 	case HAL_ERROR:
 		display_write_data_seq("ERROR");
 		break;
@@ -110,12 +112,12 @@ void LSM9DS1_test_magnet(void)
 	buffer[0] = 0x28;
 	FAILSAFE_PRE_OP;
 	op_result = HAL_I2C_Master_Transmit(&hi2c1, 0x3C, buffer, 1, 1000);
-	FAILSAFE_POST_OP_ACCEL("A");
+	FAILSAFE_POST_OP_MAGNET("A");
 
 	// read from registers sequentially
 	FAILSAFE_PRE_OP;
 	op_result = HAL_I2C_Master_Receive(&hi2c1, 0x3D, buffer, 6, 1000);
-	FAILSAFE_POST_OP_ACCEL("R");
+	FAILSAFE_POST_OP_MAGNET("R");
 
 	if (!err_count) {
 		DISPLAY_SET_CURSOR(1, 1);

Core/Src/PCA9685.c

@@ -40,6 +40,8 @@ void PCA9685_run_test(void)
 				display_write_data_seq("/5 ");
 
 				switch (op_result) {
+				case HAL_OK:
+					break;
 				case HAL_ERROR:
 					display_write_data_seq("ERROR");
 					break;

Core/Src/main.c

@@ -112,7 +112,7 @@ int delay_between_runs[] = {
 		-1
 		};
 
-size_t current_executor_id = 0;
+size_t current_executor_id = 11;
 
 size_t buttons_interrupt_enabled;
 
@@ -641,10 +641,17 @@ static void MX_GPIO_Init(void)
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
   HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
 
-  /*Configure GPIO pins : PD11 PD12 PD13 PD14
+  /*Configure GPIO pin : PD11 */
-                           PD15 PD4 PD7 */
+  GPIO_InitStruct.Pin = GPIO_PIN_11;
-  GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
-                          |GPIO_PIN_15|GPIO_PIN_4|GPIO_PIN_7;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
+
+  /*Configure GPIO pins : PD12 PD13 PD14 PD15
+                           PD4 PD7 */
+  GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15
+                          |GPIO_PIN_4|GPIO_PIN_7;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

test1.ioc

@@ -121,6 +121,8 @@ PC8.Locked=true
 PC8.Signal=GPIO_Input
 PC9.Locked=true
 PC9.Signal=GPIO_Input
+PD11.GPIOParameters=GPIO_Speed
+PD11.GPIO_Speed=GPIO_SPEED_FREQ_VERY_HIGH
 PD11.Locked=true
 PD11.Signal=GPIO_Output
 PD12.Locked=true