20260610

2026-06-12 17:03:10 +08:00
parent e488cd3216
commit 9eaffcc9ff
31 changed files with 6829 additions and 0 deletions
@@ -0,0 +1,30 @@
+IO6		=	BAT_VOLTAGE		读取电池电压，作为电量的粗略判断
+IO7		=	ADC_CTL			开关读取电压的MOS管，防止电池电量跑光
+IO15	=	POW_CTL			开关各种外围芯片的电源
+IO8		= 	I2C_SDA			
+IO19 	= 	Button0			按钮信号0
+IO20	=	Button1			按钮信号1，两个按钮的状态：00无按键；10左键；01右键；11中键
+~~IO41	=	LED_CTL			控制状态LED灯
+~~IO46	=	SD_CS			sd卡片选
+IO9	=		I2C_SCL			
+IO10	=	TFT_PWM			TFT显示屏背光亮度控制
+IO11	=	SPI_SDO(MISO)
+IO12	=	SPI_SDI(MOSI)
+IO13	=	SPI_CS
+IO14	= 	SPI_DC
+IO21	= 	SPI_SCL
+IO47	= 	TFE_RST			TFT显示屏复位引脚
+~~IO45	= 	USB_PLUGIN_DETECT	检测USB是否插入，高电平有usb
+
+新增或修改的IO口
+IO4		=	SD_CMD
+IO5		=	SD_CLK
+IO16	=	ESP_TX
+IO17	= 	ESP_RX
+IO18	=	USB_PLUGIN_DETECT
+IO42	=	LED_CTL
+IO41	=	SD_DATA0
+IO40	=	SD_DATA1
+IO39	=	SD_DATA2
+IO38	=	SD_DATA3
+IO48	=	SD_CON