From 0ede26a20636b7fc358fdcadbd622fcf31197fd2 Mon Sep 17 00:00:00 2001 From: Christophe Huriaux Date: Wed, 6 Jul 2022 22:43:38 +0200 Subject: [PATCH] =?UTF-8?q?=F0=9F=A9=B9=20Fix=20ST7565=20LCD=20contrast=20?= =?UTF-8?q?init=20(#24457)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Marlin/src/lcd/dogm/u8g_dev_st7565_64128n_HAL.cpp | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/Marlin/src/lcd/dogm/u8g_dev_st7565_64128n_HAL.cpp b/Marlin/src/lcd/dogm/u8g_dev_st7565_64128n_HAL.cpp index bfd44d08dfbb..63e7b2e2b8b5 100644 --- a/Marlin/src/lcd/dogm/u8g_dev_st7565_64128n_HAL.cpp +++ b/Marlin/src/lcd/dogm/u8g_dev_st7565_64128n_HAL.cpp @@ -74,7 +74,6 @@ #define ST7565_ON(N) ((N) ? 0xAF : 0xAE) #define ST7565_OUT_MODE(N) ((N) ? 0xC8 : 0xC0) #define ST7565_POWER_CONTROL(N) (0x28 | (N)) -#define ST7565_V0_RATIO(N) (0x10 | ((N) & 0x7)) #define ST7565_V5_RATIO(N) (0x20 | ((N) & 0x7)) #define ST7565_CONTRAST(N) (0x81), (N) @@ -106,11 +105,14 @@ static const uint8_t u8g_dev_st7565_64128n_HAL_init_seq[] PROGMEM = { ST7565_POWER_CONTROL(0x7), // power control: turn on voltage follower U8G_ESC_DLY(50), // delay 50 ms - ST7565_V0_RATIO(0), // Set V0 voltage resistor ratio. Setting for controlling brightness of Displaytech 64128N + #ifdef ST7565_VOLTAGE_DIVIDER_VALUE + // Set V5 voltage resistor ratio. Affects brightness of Displaytech 64128N + ST7565_V5_RATIO(ST7565_VOLTAGE_DIVIDER_VALUE), + #endif ST7565_INVERTED(0), // display normal, bit val 0: LCD pixel off. - ST7565_CONTRAST(0x1E), // Contrast value. Setting for controlling brightness of Displaytech 64128N + ST7565_CONTRAST(0x1E), // Contrast value for Displaytech 64128N ST7565_ON(1), // display on