在使用page显示模式时是正常的,只有使用sendbuffer的时候有这样的问题 原因 没有启动全局刷新功能 这个结构的每个字符都是有用的这里到1表示按页存储到ram中 U8G2_SSD1306_128X64_NONAME_1_HW_I2C u8g2 buffer介绍 将这里的1改成F就可以显示全部了 代码语言:javascript 复制 U8G2_SSD1306_128X64_NONAME_F_...
u8g2.clearBuffer(); u8g2.setFont(u8g2_font_ncenB14_tr); u8g2.drawStr(0,20,"Hello World!"); u8g2.sendBuffer(); } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Page buffer mode (Picture Loop) Pros and Cons All graphics procedures can be used Only a little bit of RAM is requi...
这是上面R0参数的意思 引脚的参数,我们IIC就是数据和时钟 代码语言:javascript 复制 classU8G2_SSD1306_128X64_NONAME_F_SW_I2C:publicU8G2{public:U8G2_SSD1306_128X64_NONAME_F_SW_I2C(constu8g2_cb_t*rotation,uint8_t clock,uint8_t data,uint8_t reset=U8X8_PIN_NONE):U8G2(){u8g2_Setup...
void u8g2_ClearBuffer(u8g2_t *u8g2); Description: Clears all pixel in the memory frame buffer. Use sendBuffer to transfer the cleared frame buffer to the display. In most cases, this procedure is useful only with a full frame buffer in the RAM of the microcontroller (Constructor with ...
u8g2.CopyBuffer(buff)# 获取底层图像缓冲区 参数 传入值类型 解释 userdata zbuff实例,空间要大于等于底层buff的大小 返回值 返回值类型 解释 int 成功返回buff大小,否则返回nil 例子 -- 本函数在u8g2初始化之后才能调用-- 获取大小localsz=u8g2.CopyBuffer()-- 拷贝底层bufflocalbuff=zbuff.create(sz)u8g...
voidloop(void){u8g2.clearBuffer();drawLogo();drawURL();u8g2.sendBuffer();delay(1000);} 占用情况 #include<MUIU8g2.h>#include<U8g2lib.h>#include<U8x8lib.h> U8G2_SSD1306_128X64_NONAME_F_SW_I2Cu8g2(U8G2_R0, SCL, SDA,U8X8_PIN_NONE); ...
voidloop(void){u8g2.clearBuffer();drawLogo();drawURL();u8g2.sendBuffer();delay(1000);} 占用情况 #include<MUIU8g2.h>#include<U8g2lib.h>#include<U8x8lib.h> U8G2_SSD1306_128X64_NONAME_F_SW_I2Cu8g2(U8G2_R0, SCL, SDA,U8X8_PIN_NONE); ...
(u8g2.getDisplayHeight() < 59) { u8g2.drawStr(89, 20, "github.com"); u8g2.drawStr(73, 29, "/olikraus/u8g2"); } else { u8g2.drawStr(1, 54, "github.com/olikraus/u8g2"); }#endif}void loop(void){ u8g2.clearBuffer(); drawLogo(); drawURL(); u8g2.sendBuffer();...