add testing function for 24AA02E48 EEPROM module

Core/Inc/24AA02E48.h

@@ -0,0 +1 @@
+void EEPROM_24AA02E48_run_test(void);

Core/Src/24AA02E48.c

@@ -0,0 +1,98 @@
+#include "main.h"
+#include "lcd.h"
+#include "24AA02E48.h"
+
+extern I2C_HandleTypeDef hi2c1;
+
+void EEPROM_24AA02E48_run_test(void)
+{
+	DISPLAY_CLEAR;
+	display_write_data_seq("24AA02E48 EEPROM");
+
+	HAL_StatusTypeDef op_result;
+	size_t err_count = 0;
+
+	// write the Address Pointer register
+	uint8_t data_buffer[13];
+	data_buffer[12] = '\0';
+	data_buffer[0] = 0x00;
+
+	for (size_t t = 0; t < 5; t++) {
+		op_result = HAL_I2C_Master_Transmit(&hi2c1, 0xA0, data_buffer, 1, 2000);
+
+		if (op_result) {
+			err_count++;
+
+			DISPLAY_CLEAR;
+			display_write_data_seq("24AA02E48 EEPROM");
+
+			DISPLAY_SET_CURSOR(1, 0);
+			display_write_data_seq("W ");
+			display_write_data_byte('1' + t);
+			display_write_data_seq("/5 ");
+
+			switch (op_result) {
+			case HAL_ERROR:
+				display_write_data_seq("ERROR");
+				break;
+			case HAL_BUSY:
+				display_write_data_seq("BUSY");
+				break;
+			case HAL_TIMEOUT:
+				display_write_data_seq("TIMEOUT");
+				break;
+			}
+
+			HAL_Delay(2000);
+		} else {
+			break;
+		}
+	}
+
+	for (size_t t = 0; t < 5; t++) {
+		op_result = HAL_I2C_Master_Receive(&hi2c1, 0xA1, data_buffer, 12, 2000);
+
+		if (op_result) {
+			err_count++;
+
+			DISPLAY_CLEAR;
+			display_write_data_seq("24AA02E48 EEPROM");
+
+			DISPLAY_SET_CURSOR(1, 0);
+			display_write_data_seq("R ");
+			display_write_data_byte('1' + t);
+			display_write_data_seq("/5 ");
+
+			switch (op_result) {
+			case HAL_ERROR:
+				display_write_data_seq("ERROR");
+				break;
+			case HAL_BUSY:
+				display_write_data_seq("BUSY");
+				break;
+			case HAL_TIMEOUT:
+				display_write_data_seq("TIMEOUT");
+				break;
+			}
+
+			HAL_Delay(2000);
+		} else {
+			break;
+		}
+	}
+
+	DISPLAY_CLEAR;
+	display_write_data_seq("24AA02E48 EEPROM");
+
+	if (err_count) {
+		DISPLAY_SET_CURSOR(1, 0);
+		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);
+	} else {
+		DISPLAY_SET_CURSOR(1, 1);
+		display_write_data_seq("OK ");
+		display_write_data_seq(data_buffer);
+	}
+}

Core/Src/main.c

@@ -26,6 +26,7 @@
 #include "lcd.h"
 #include "external_temp.h"
 #include "PCA9685.h"
+#include "24AA02E48.h"
 
 /* USER CODE END Includes */
 
@@ -57,16 +58,18 @@ I2C_HandleTypeDef hi2c1;
 void ((*executors[])(void)) = {
 		external_temp_show_celsius,
 		external_temp_show_fahrenheit,
-		PCA9685_run_test
+		PCA9685_run_test,
+		EEPROM_24AA02E48_run_test
 };
 
 void ((*cleanup_functions[])(void)) = {
 		NULL,
 		NULL,
-		PCA9685_cleanup
+		PCA9685_cleanup,
+		NULL
 };
 
-int delay_between_runs[] = {250, 250, -1};
+int delay_between_runs[] = {250, 250, -1, -1};
 
 size_t current_executor_id = 0;
 
@@ -209,7 +212,7 @@ void button_init_and_test(void)
 void switch_to_next_test(void)
 {
 	current_executor_id += 1;
-	current_executor_id %= 3;
+	current_executor_id %= 4;
 }
 
 /* USER CODE END 0 */