From 4df50bb6769fc2113eebd9c2ba4f6ad048e7998b Mon Sep 17 00:00:00 2001
From: imi415 <imi415.public@gmail.com>
Date: Sun, 20 Jun 2021 21:04:18 +0800
Subject: [PATCH] Added 320x240 2.0" LCD variant.

---
 st7789_lcd.c | 19 +++++++++++++++++++
 st7789_lcd.h |  6 ++++++
 2 files changed, 25 insertions(+)

diff --git a/st7789_lcd.c b/st7789_lcd.c
index b10a1d6..1998aea 100644
--- a/st7789_lcd.c
+++ b/st7789_lcd.c
@@ -1,5 +1,24 @@
 #include "st7789_lcd.h"
 
+uint8_t st7789_init_seq_zjy_320_240[] = {
+    0x05, 0xB2, 0x0C, 0x0C, 0x00, 0x33, 0x33, // Porch Setting
+    0x01, 0xB7, 0x35,                         // Gate Control
+    0x01, 0xBB, 0x32,       // VCOM Setting // Factory 0x19 -> 0.725V
+    0x01, 0xC0, 0x2C,       // LCM Control
+    0x01, 0xC2, 0x01,       // VDV and VRH Command Enable
+    0x01, 0xC3, 0x15,       // VRH Set // Factory 12H
+    0x01, 0xC4, 0x20,       // VDV Set
+    0x01, 0xC6, 0x0F,       // Frame Rate Control in Normal Mode
+    0x02, 0xD0, 0xA4, 0xA1, // Power Control 1
+    0x0E, 0xE0, 0xD0, 0x08, 0x0E, 0x09, 0x09, 0x05,
+    0x31, 0x33, 0x48, 0x17, 0x14, 0x15, 0x31,
+    0x34, // Positive Voltage Gamma Control
+    0x0E, 0xE1, 0xD0, 0x08, 0x0E, 0x09, 0x15, 0x31,
+    0x33, 0x48, 0x17, 0x2F, 0x14, 0x15, 0x31,
+    0x34,       // Negative Voltage Gamma Control
+    0x00, 0x21, // Inversion On
+};
+
 uint8_t st7789_init_seq_zjy_240_240[] = {
     0x05, 0xB2, 0x0C, 0x0C, 0x00, 0x33, 0x33, // Porch Setting
     0x01, 0xB7, 0x35,                         // Gate Control
diff --git a/st7789_lcd.h b/st7789_lcd.h
index 662306d..819fbb0 100644
--- a/st7789_lcd.h
+++ b/st7789_lcd.h
@@ -53,6 +53,12 @@ typedef struct {
 #define PANEL_X_OFFSET 53
 #define PANEL_Y_OFFSET 40
 
+#elif ST7789_PANEL_ZJY_320
+
+#define ST7789_PANEL_SELECTION st7789_init_seq_zjy_320_240
+#define PANEL_X_OFFSET 0
+#define PANEL_Y_OFFSET 0
+
 #else
 
 #warning "Panel not defined, using default."