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Fix LCD corruption on power-up.

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LCD was not working correctly on power up, but was subsequently OK on reset.  Problem was caused by an uninitialised variable.
This commit is contained in:
Neil McKechnie 2021-07-22 21:49:09 +01:00
parent 88949358b4
commit 52e8a93945
2 changed files with 3 additions and 2 deletions
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2
LiquidCrystal_I2C.cpp
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@ -47,7 +47,7 @@ LiquidCrystal_I2C::LiquidCrystal_I2C(uint8_t lcd_Addr, uint8_t lcd_cols,
lcdRows = lcd_rows; lcdRows = lcd_rows;
lcdCols = lcd_cols; lcdCols = lcd_cols;
_backlightval &= ~LCD_BACKLIGHT; _backlightval = 0;
I2CManager.begin(); I2CManager.begin();
I2CManager.setClock(100000L); // PCF8574 is spec'd to 100kHz. I2CManager.setClock(100000L); // PCF8574 is spec'd to 100kHz.

3
version.h
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@ -3,7 +3,8 @@
#include "StringFormatter.h" #include "StringFormatter.h"
#define VERSION "3.1.4" #define VERSION "3.1.5"
// 3.1.5 Fix LCD corruption on power-up
// 3.1.4 Refactor OLED and LCD drivers and remove unused code // 3.1.4 Refactor OLED and LCD drivers and remove unused code
// 3.1.3 Add a loop delay to give more time for sensing an Ethernet cable connection // 3.1.3 Add a loop delay to give more time for sensing an Ethernet cable connection
// 3.1.2 Eliminate wait after write when prog is joined or prog power is off // 3.1.2 Eliminate wait after write when prog is joined or prog power is off