diff options
Diffstat (limited to 'nanologger/SH1106.cpp')
| -rw-r--r-- | nanologger/SH1106.cpp | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/nanologger/SH1106.cpp b/nanologger/SH1106.cpp index b1e57ef..a46c821 100644 --- a/nanologger/SH1106.cpp +++ b/nanologger/SH1106.cpp @@ -35,13 +35,13 @@ void LCD_SH1106::clear(byte x, byte y, byte width, byte height) WriteCommand(SSD1306_SETHIGHCOLUMN | 0x0); // hi col = 0 WriteCommand(SSD1306_SETSTARTLINE | 0x0); // line #0 - // save I2C bitrate - uint8_t twbrbackup = TWBR; - TWBR = 18; // upgrade to 400KHz! - height >>= 3; width >>= 3; y >>= 3; +#ifdef TWBR + uint8_t twbrbackup = TWBR; + TWBR = 18; // upgrade to 400KHz! +#endif for (byte i = 0; i < height; i++) { // send a bunch of data in one xmission WriteCommand(0xB0 + i + y);//set page address @@ -57,9 +57,10 @@ void LCD_SH1106::clear(byte x, byte y, byte width, byte height) Wire.endTransmission(); } } - - setCursor(0, 0); +#ifdef TWBR TWBR = twbrbackup; +#endif + setCursor(0, 0); } size_t LCD_SH1106::write(uint8_t c) @@ -72,8 +73,10 @@ size_t LCD_SH1106::write(uint8_t c) return 1; } +#ifdef TWBR uint8_t twbrbackup = TWBR; TWBR = 18; // upgrade to 400KHz! +#endif #ifndef MEMORY_SAVING if (m_font == FONT_SIZE_SMALL) { #endif @@ -158,15 +161,18 @@ size_t LCD_SH1106::write(uint8_t c) } } #endif +#ifdef TWBR TWBR = twbrbackup; +#endif return 1; } void LCD_SH1106::writeDigit(byte n) { +#ifdef TWBR uint8_t twbrbackup = TWBR; TWBR = 18; // upgrade to 400KHz! - +#endif if (m_font == FONT_SIZE_SMALL) { Wire.beginTransmission(I2C_ADDR); Wire.write(0x40); @@ -316,13 +322,17 @@ void LCD_SH1106::writeDigit(byte n) } m_col += (m_flags & FLAG_PIXEL_DOUBLE_H) ? 30 : 16; } +#ifdef TWBR TWBR = twbrbackup; +#endif } void LCD_SH1106::draw(const PROGMEM byte* buffer, byte width, byte height) { +#ifdef TWBR uint8_t twbrbackup = TWBR; TWBR = 18; // upgrade to 400KHz! +#endif WriteCommand(SSD1306_SETLOWCOLUMN | 0x0); // low col = 0 WriteCommand(SSD1306_SETHIGHCOLUMN | 0x0); // hi col = 0 @@ -346,7 +356,9 @@ void LCD_SH1106::draw(const PROGMEM byte* buffer, byte width, byte height) Wire.endTransmission(); } } +#ifdef TWBR TWBR = twbrbackup; +#endif m_col += width; } |