diff options
| -rw-r--r-- | include/driver/ssd1306.h | 4 | ||||
| -rw-r--r-- | src/driver/ssd1306.cc | 11 |
2 files changed, 14 insertions, 1 deletions
diff --git a/include/driver/ssd1306.h b/include/driver/ssd1306.h index 4a2cf01..2afcb86 100644 --- a/include/driver/ssd1306.h +++ b/include/driver/ssd1306.h @@ -56,7 +56,7 @@ class SSD1306 { SSD1306_SET_DISP_CLK_DIV, 0x80, SSD1306_SET_PRECHARGE, 0xf1, SSD1306_SET_VCOM_DESEL, 0x30, - SSD1306_SET_CONTRAST, 0xff, + SSD1306_SET_CONTRAST, 0x7f, SSD1306_SET_ENTIRE_ON, SSD1306_SET_NORM_INV, SSD1306_SET_CHARGE_PUMP, 0x14, @@ -70,6 +70,8 @@ class SSD1306 { SSD1306() {} void init(); + void setContrast(unsigned char contrast); + void setInvert(bool invert); void showImage(unsigned char* data, uint16_t length); }; diff --git a/src/driver/ssd1306.cc b/src/driver/ssd1306.cc index 69bd28c..23b938d 100644 --- a/src/driver/ssd1306.cc +++ b/src/driver/ssd1306.cc @@ -30,6 +30,17 @@ void SSD1306::init() } } +void SSD1306::setContrast(unsigned char contrast) +{ + writeCommand(SSD1306_SET_CONTRAST); + writeCommand(contrast); +} + +void SSD1306::setInvert(bool invert) +{ + writeCommand(SSD1306_SET_NORM_INV | invert); +} + void SSD1306::showImage(unsigned char* data, uint16_t length) { uint8_t i; |