From 036eb68b76c8aaf4ecdeb707387fd2520ca86553 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=8D=E5=90=83=E6=B2=B9=E7=82=B8=E9=B8=A1?=
 <1425962791@qq.com>
Date: Tue, 14 Oct 2025 16:25:11 +0800
Subject: [PATCH] add bl24c02 (not test yet)

---
 Power_Pico/BSP/BL24C02/BL24C02.c | 78 ++++++++++++++++++++++++++++++++
 Power_Pico/BSP/BL24C02/BL24C02.h | 12 +++++
 2 files changed, 90 insertions(+)
 create mode 100644 Power_Pico/BSP/BL24C02/BL24C02.c
 create mode 100644 Power_Pico/BSP/BL24C02/BL24C02.h

diff --git a/Power_Pico/BSP/BL24C02/BL24C02.c b/Power_Pico/BSP/BL24C02/BL24C02.c
new file mode 100644
index 0000000..b3174f2
--- /dev/null
+++ b/Power_Pico/BSP/BL24C02/BL24C02.c
@@ -0,0 +1,78 @@
+#include "BL24C02.h"
+#include "i2c.h"
+
+static void BL24C02_Write(uint8_t addr, uint16_t length, uint8_t buff[])
+{
+	HAL_I2C_Mem_Write(&hi2c1, BL24C02_ADDRESS<<1, addr, I2C_MEMADD_SIZE_8BIT, buff, length, 10);
+}
+
+static void BL24C02_Read(uint8_t addr, uint8_t length, uint8_t buff[])
+{
+	HAL_I2C_Mem_Read(&hi2c1, BL24C02_ADDRESS<<1, addr, I2C_MEMADD_SIZE_8BIT, buff, length, 10);
+}
+
+static void delay_ms(uint32_t ms)
+{
+	HAL_Delay(ms);
+}
+
+/******************************************
+EEPROM Data description:
+[0x00]:0x55 for check
+[0x01]:0xAA for check
+
+[0x10]:user wrist setting, HWInterface.IMU.wrist_is_enabled
+[0x11]:user ui_APPSy_EN setting
+
+*******************************************/
+
+//to check the Data is right and the EEPROM is working
+uint8_t EEPROM_Check(void)
+{
+	uint8_t check_buff[2];
+	delay_ms(10);
+	BL24C02_Read(0,2,check_buff);
+	if(check_buff[0] == 0x55 && check_buff[1] == 0xAA)
+	{
+		return 0;//check OK
+	}
+	else
+	{
+		check_buff[0] = 0x55;
+		check_buff[1] = 0xAA;
+		delay_ms(10);
+		BL24C02_Write(0,2,check_buff);
+		memset(check_buff,0,2);
+		delay_ms(10);
+		BL24C02_Read(0,2,check_buff);
+		if(check_buff[0] == 0x55 && check_buff[1] == 0xAA)
+			return 0;//check ok
+	}
+	return 1;//check erro
+}
+
+
+//to Save the settings
+uint8_t SettingSave(uint8_t *buf, uint8_t addr, uint8_t lenth)
+{
+	if(addr > 1 && !EEPROM_Check())
+	{
+		delay_ms(10);
+		BL24C02_Write(addr,lenth,buf);
+		return 0;
+	}
+	return 1;
+}
+
+
+//to Get the settings
+uint8_t SettingGet(uint8_t *buf, uint8_t addr, uint8_t lenth)
+{
+	if(addr > 1 && !EEPROM_Check())
+	{
+		delay_ms(10);
+		BL24C02_Read(addr,lenth,buf);
+		return 0;
+	}
+	return 1;
+}
diff --git a/Power_Pico/BSP/BL24C02/BL24C02.h b/Power_Pico/BSP/BL24C02/BL24C02.h
new file mode 100644
index 0000000..f722e97
--- /dev/null
+++ b/Power_Pico/BSP/BL24C02/BL24C02.h
@@ -0,0 +1,12 @@
+#ifndef __BL24C02_H
+#define __BL24C02_H
+
+#include <stdint.h>
+
+#define BL24C02_ADDRESS	0x50
+
+uint8_t EEPROM_Check(void);
+uint8_t SettingSave(uint8_t *buf, uint8_t addr, uint8_t lenth);
+uint8_t SettingGet(uint8_t *buf, uint8_t addr, uint8_t lenth);
+
+#endif