From 1105733dc07562240bd061a1d8b0869c8c596805 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Thu, 09 Oct 2025 00:41:09 +0800
Subject: [PATCH] ISL1208 RTC示例程序
---
Core/Src/board/hal_oled.c | 280 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 280 insertions(+), 0 deletions(-)
diff --git a/Core/Src/board/hal_oled.c b/Core/Src/board/hal_oled.c
new file mode 100644
index 0000000..8f666d0
--- /dev/null
+++ b/Core/Src/board/hal_oled.c
@@ -0,0 +1,280 @@
+/**********************************************************************
+* Copyright: (C)2021 LingYun IoT System Studio <www.weike-iot.com>
+* Author: GuoWenxue<guowenxue@gmail.com> QQ: 281143292
+* Description: ISKBoard OLED(N091-2832TSWFG02-H14, 128x32) driver
+*
+* ChangeLog:
+* Version Date Author Description
+* V1.0.0 2021.08.10 GuoWenxue Release initial version
+***********************************************************************/
+
+#include "hal_oled.h"
+
+#define mdelay(ms) HAL_Delay(ms)
+
+enum
+{
+ OLED_CMD = 0,
+ OLED_DATA,
+};
+
+static void IIC_Write_Command(uint8_t command)
+{
+ /* Send I2C start signal */
+ I2C_StartCondition();
+
+ /* Send OLED I2C slave write address */
+ I2C_SendAddress(I2C_WR);
+
+ /* send command value */
+ I2C_WriteByte(0x00);
+ I2C_WriteByte(command);
+
+ /* Send I2C stop signal */
+ I2C_StopCondition();
+}
+
+static void IIC_Write_Data(uint8_t data)
+{
+ /* Send I2C start signal */
+ I2C_StartCondition();
+
+ /* Send OLED I2C slave write address */
+ I2C_SendAddress(I2C_WR);
+
+ /* send data value */
+ I2C_WriteByte(0x40);
+ I2C_WriteByte(data);
+
+ /* Send I2C stop signal */
+ I2C_StopCondition();
+}
+
+
+ /* OLED write a byte command data or command */
+void OLED_WR_Byte(uint8_t data, uint8_t type)
+{
+ if( OLED_CMD==type )
+ {
+ IIC_Write_Command(data);
+ }
+ else
+ {
+ IIC_Write_Data(data);
+ }
+}
+
+/*
+ *+-------------------------------------------------+
+ *| OLED initial/control function API |
+ *+-------------------------------------------------+
+ */
+
+/* Turn OLED display onʾ */
+void OLED_Display_On(void)
+{
+ OLED_WR_Byte(0X8D, OLED_CMD); //SET DCDC command
+ OLED_WR_Byte(0X14, OLED_CMD); //DCDC ON
+ OLED_WR_Byte(0XAF, OLED_CMD); //DISPLAY ON
+}
+
+/* Turn OLED display off */
+void OLED_Display_Off(void)
+{
+ OLED_WR_Byte(0X8D, OLED_CMD); //SET DCDC command
+ OLED_WR_Byte(0X10, OLED_CMD); //DCDC OFF
+ OLED_WR_Byte(0XAE, OLED_CMD); //DISPLAY OFF
+}
+
+/* Clear OLED, it will be black */
+void OLED_Clear(void)
+{
+ uint8_t i, j;
+
+ /* update display */
+ for(i=0;i<8;i++)
+ {
+ OLED_WR_Byte (0xb0+i, OLED_CMD); // set page address: 0~7
+ OLED_WR_Byte (0x00, OLED_CMD); // set display address, column address lower bytes;ַ
+ OLED_WR_Byte (0x10, OLED_CMD); // set display address, column address higher bytes;
+
+ for(j=0; j<128; j++)
+ OLED_WR_Byte(0, OLED_DATA);
+ }
+
+ OLED_Set_Pos(0, 0);
+}
+
+void OLED_On(void)
+{
+ uint8_t i, j;
+
+ /* update display */
+ for(i=0; i<8; i++)
+ {
+ OLED_WR_Byte (0xb0+i, OLED_CMD); // set page address: 0~7
+ OLED_WR_Byte (0x00, OLED_CMD); // set display address, row address lower bytes;ַ
+ OLED_WR_Byte (0x10, OLED_CMD); // set display address, row address higher bytes;
+
+ for(j=0; j<128; j++)
+ OLED_WR_Byte(1, OLED_DATA);
+ }
+}
+
+void OLED_Init(void)
+{
+ if( i2c_lock(OLED_CHIPADDR) )
+ {
+ return ;
+ }
+
+ mdelay(10);
+
+ OLED_WR_Byte(0xAE,OLED_CMD); // Disable
+
+ OLED_WR_Byte(0x40,OLED_CMD); //---set low column address
+ OLED_WR_Byte(0xB0,OLED_CMD); //---set high column address
+
+ OLED_WR_Byte(0xC8,OLED_CMD);
+
+ OLED_WR_Byte(0x81,OLED_CMD);
+ OLED_WR_Byte(0xff,OLED_CMD);
+
+ OLED_WR_Byte(0xa1,OLED_CMD);
+
+ OLED_WR_Byte(0xa6,OLED_CMD);
+
+ OLED_WR_Byte(0xa8,OLED_CMD);
+ OLED_WR_Byte(0x1f,OLED_CMD);
+
+ OLED_WR_Byte(0xd3,OLED_CMD);
+ OLED_WR_Byte(0x00,OLED_CMD);
+
+ OLED_WR_Byte(0xd5,OLED_CMD);
+ OLED_WR_Byte(0xf0,OLED_CMD);
+
+ OLED_WR_Byte(0xd9,OLED_CMD);
+ OLED_WR_Byte(0x22,OLED_CMD);
+
+ OLED_WR_Byte(0xda,OLED_CMD);
+ OLED_WR_Byte(0x02,OLED_CMD);
+
+ OLED_WR_Byte(0xdb,OLED_CMD);
+ OLED_WR_Byte(0x49,OLED_CMD);
+
+ OLED_WR_Byte(0x8d,OLED_CMD);
+ OLED_WR_Byte(0x14,OLED_CMD);
+
+ OLED_WR_Byte(0xaf,OLED_CMD);
+
+ OLED_Clear();
+}
+
+/*
+ *+-------------------------------------------------+
+ *| OLED display function API |
+ *+-------------------------------------------------+
+ */
+
+/* set OLED display position */
+void OLED_Set_Pos(uint8_t x, uint8_t y)
+{
+ OLED_WR_Byte(0xb0+y, OLED_CMD);
+ OLED_WR_Byte(((x&0xf0)>>4)|0x10, OLED_CMD);
+ OLED_WR_Byte((x&0x0f), OLED_CMD);
+}
+
+/* show a character on OLED as $Char_Size */
+void OLED_ShowChar(uint8_t x, uint8_t y, uint8_t chr, uint8_t char_Size)
+{
+ uint8_t c=0,i=0;
+
+ c=chr-' '; // get offset value
+
+ if( x>X_WIDTH-1 )
+ {
+ x=0;
+ y=y+2;
+ }
+
+ if(char_Size ==16)
+ {
+ OLED_Set_Pos(x,y);
+
+ for(i=0; i<8; i++)
+ OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);
+
+ OLED_Set_Pos(x,y+1);
+
+ for(i=0;i<8;i++)
+ OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);
+ }
+ else
+ {
+ OLED_Set_Pos(x,y);
+ for(i=0;i<6;i++)
+ OLED_WR_Byte(F6x8[c][i],OLED_DATA);
+ }
+}
+
+/* show a string on OLED */
+void OLED_ShowString(uint8_t x, uint8_t y, char *chr, uint8_t font_size)
+{
+ uint8_t j=0;
+
+ while( chr[j]!='\0' )
+ {
+ OLED_ShowChar(x, y, chr[j], font_size);
+
+ x+=8;
+
+ if(x>120)
+ {
+ x=0;
+ y+=2;
+ }
+
+ j++;
+ }
+}
+
+/* Show Chinese on OLED */
+void OLED_ShowChinese(const uint8_t (*Hzk)[32], uint8_t x, uint8_t y, uint8_t number)
+{
+ uint8_t t,adder=0;
+
+ OLED_Set_Pos(x, y);
+ for(t=0;t<16;t++)
+ {
+ OLED_WR_Byte(Hzk[2*number][t],OLED_DATA);
+ adder+=1;
+ }
+
+ OLED_Set_Pos(x,y+1);
+ for(t=0;t<16;t++)
+ {
+ OLED_WR_Byte(Hzk[2*number+1][t],OLED_DATA);
+ adder+=1;
+ }
+}
+
+/* Show BMP images(32) on OLED, x: 0~127 y:0~7 */
+void OLED_DrawBMP(uint8_t x0, uint8_t y0, uint8_t x_width, uint8_t y_width, const uint8_t *bmp)
+{
+ uint32_t j=0;
+ uint8_t x,y;
+
+ if( y_width%8==0 )
+ y = y_width/8;
+ else
+ y = y_width/8+1;
+
+ for(y=y0; y<y_width; y++)
+ {
+ OLED_Set_Pos(x0, y);
+ for(x=x0; x<x_width; x++)
+ {
+ OLED_WR_Byte(bmp[j++],OLED_DATA);
+ }
+ }
+}
--
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