initial commit: oled, rc522, exti

2025-03-20 02:05:06 +08:00
commit f515d5fa96
106 changed files with 100859 additions and 0 deletions
--- a/Core/Src/oled.c
+++ b/Core/Src/oled.c
@ -0,0 +1,187 @@
+#include "oled.h"
+#include "i2c.h"
+#include "oledfont.h"          //头文件
+
+uint8_t CMD_Data[] = {
+    0xAE,
+    0x00,
+    0x10,
+    0x40,
+    0xB0,
+    0x81,
+    0xFF,
+    0xA1,
+    0xA6,
+    0xA8,
+    0x3F,
+    0xC8,
+    0xD3,
+    0x00,
+    0xD5,
+    0x80,
+    0xD8,
+    0x05,
+    0xD9,
+    0xF1,
+    0xDA,
+    0x12,
+    0xD8,
+    0x30,
+    0x8D,
+    0x14,
+    0xAF
+}; //初始化命令
+
+
+void WriteCmd(void) {
+    uint8_t i = 0;
+    for (i = 0; i < 27; i++) {
+        HAL_I2C_Mem_Write(&hi2c1, 0x78, 0x00,I2C_MEMADD_SIZE_8BIT, CMD_Data + i, 1, 0x100);
+    }
+}
+
+//向设备写控制命令
+void OLED_WR_CMD(uint8_t cmd) {
+    HAL_I2C_Mem_Write(&hi2c1, 0x78, 0x00,I2C_MEMADD_SIZE_8BIT, &cmd, 1, 0x100);
+}
+
+//向设备写数据
+void OLED_WR_DATA(uint8_t data) {
+    HAL_I2C_Mem_Write(&hi2c1, 0x78, 0x40,I2C_MEMADD_SIZE_8BIT, &data, 1, 0x100);
+}
+
+//初始化oled屏幕
+void OLED_Init(void) {
+    HAL_Delay(200);
+
+    WriteCmd();
+}
+
+//清屏
+void OLED_Clear(void) {
+    uint8_t i, n;
+    for (i = 0; i < 8; i++) {
+        OLED_WR_CMD(0xb0 + i); //设置页地址（0~7）
+        OLED_WR_CMD(0x00); //设置显示位置—列低地址
+        OLED_WR_CMD(0x10); //设置显示位置—列高地址
+        for (n = 0; n < 128; n++)
+            OLED_WR_DATA(0); //更新显示
+    }
+}
+
+//开启OLED显示
+void OLED_Display_On(void) {
+    OLED_WR_CMD(0X8D); //SET DCDC命令
+    OLED_WR_CMD(0X14); //DCDC ON
+    OLED_WR_CMD(0XAF); //DISPLAY ON
+}
+
+//关闭OLED显示
+void OLED_Display_Off(void) {
+    OLED_WR_CMD(0X8D); //SET DCDC命令
+    OLED_WR_CMD(0X10); //DCDC OFF
+    OLED_WR_CMD(0XAE); //DISPLAY OFF
+}
+
+//坐标设置
+void OLED_Set_Pos(uint8_t x, uint8_t y) {
+    OLED_WR_CMD(0xb0 + y);
+    OLED_WR_CMD(((x & 0xf0) >> 4) | 0x10);
+    OLED_WR_CMD(x & 0x0f);
+}
+
+void OLED_On(void) {
+    uint8_t i, n;
+    for (i = 0; i < 8; i++) {
+        OLED_WR_CMD(0xb0 + i); //设置页地址（0~7）
+        OLED_WR_CMD(0x00); //设置显示位置—列低地址
+        OLED_WR_CMD(0x10); //设置显示位置—列高地址
+        for (n = 0; n < 128; n++)
+            OLED_WR_DATA(1);
+    } //更新显示
+}
+
+unsigned int oled_pow(uint8_t m, uint8_t n) {
+    unsigned int result = 1;
+    while (n--)result *= m;
+    return result;
+}
+
+//显示2个数字
+//x,y :起点坐标
+//len :数字的位数
+//size:字体大小
+//mode:模式	0,填充模式;1,叠加模式
+//num:数值(0~4294967295);
+void OLED_ShowNum(uint8_t x, uint8_t y, unsigned int num, uint8_t len, uint8_t size2) {
+    uint8_t t, temp;
+    uint8_t enshow = 0;
+    for (t = 0; t < len; t++) {
+        temp = (num / oled_pow(10, len - t - 1)) % 10;
+        if (enshow == 0 && t < (len - 1)) {
+            if (temp == 0) {
+                OLED_ShowChar(x + (size2 / 2) * t, y, ' ', size2);
+                continue;
+            } else enshow = 1;
+        }
+        OLED_ShowChar(x + (size2 / 2) * t, y, temp + '0', size2);
+    }
+}
+
+//在指定位置显示一个字符,包括部分字符
+//x:0~127
+//y:0~63
+//mode:0,反白显示;1,正常显示
+//size:选择字体 16/12
+void OLED_ShowChar(uint8_t x, uint8_t y, uint8_t chr, uint8_t Char_Size) {
+    unsigned char c = 0, i = 0;
+    c = chr - ' '; //得到偏移后的值
+    if (x > 128 - 1) {
+        x = 0;
+        y = y + 2;
+    }
+    if (Char_Size == 16) {
+        OLED_Set_Pos(x, y);
+        for (i = 0; i < 8; i++)
+            OLED_WR_DATA(F8X16[c * 16 + i]);
+        OLED_Set_Pos(x, y + 1);
+        for (i = 0; i < 8; i++)
+            OLED_WR_DATA(F8X16[c * 16 + i + 8]);
+    } else {
+        OLED_Set_Pos(x, y);
+        for (i = 0; i < 6; i++)
+            OLED_WR_DATA(F6x8[c][i]);
+    }
+}
+
+//显示一个字符号串
+void OLED_ShowString(uint8_t x, uint8_t y, uint8_t *chr, uint8_t Char_Size) {
+    unsigned char j = 0;
+    while (chr[j] != '\0') {
+        OLED_ShowChar(x, y, chr[j], Char_Size); //一次显示一个字符
+        x += 8;
+        if (x > 120) {
+            x = 0;
+            y += 2;
+        }
+        j++;
+    }
+}
+
+//显示汉字
+//hzk 用取模软件得出的数组
+void OLED_ShowChinese(uint8_t x, uint8_t y, uint8_t no) {
+    uint8_t t, adder = 0;
+    //定位（0xbx,x为第几行。0x1x ,x为列地址 高四位；0x0x，x为列地址第4位。
+    //比如你想定 位到第3行，第126(0x7e)列，就要写WrCmd(0xb3);WrCmd(0x17);WrCmd(0x0e);）
+    OLED_Set_Pos(x, y);
+    for (t = 0; t < 16; t++) {
+        OLED_WR_DATA(Hzk[2 * no][t]);
+        adder += 1;
+    }
+    OLED_Set_Pos(x, y + 1);
+    for (t = 0; t < 16; t++) {
+        OLED_WR_DATA(Hzk[2 * no + 1][t]);
+        adder += 1;
+    }
+}