From e1acc09c6e7f505bef25c5d8354faac3e3a8b5f0 Mon Sep 17 00:00:00 2001
From: Kajetan Rzepecki <kajetan.rzepecki+github@gmail.com>
Date: Wed, 17 Apr 2019 21:57:50 +0200
Subject: [PATCH] Fix LPC1768 HAL SSD* screen init (#13741)
---
.../HAL_LPC1768/u8g/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/Marlin/src/HAL/HAL_LPC1768/u8g/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp b/Marlin/src/HAL/HAL_LPC1768/u8g/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp
index aad3603ad2..58631a1e17 100644
--- a/Marlin/src/HAL/HAL_LPC1768/u8g/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp
+++ b/Marlin/src/HAL/HAL_LPC1768/u8g/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp
@@ -137,8 +137,11 @@ uint8_t u8g_com_HAL_LPC1768_ssd_hw_i2c_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_v
case U8G_COM_MSG_WRITE_BYTE:
//u8g->pin_list[U8G_PI_SET_A0] = 1;
- //if (u8g_com_arduino_ssd_start_sequence(u8g) == 0)
- // return u8g_i2c_stop(), 0;
+ if (u8g_com_ssd_I2C_start_sequence(u8g) == 0) {
+ u8g_i2c_stop();
+ return 0;
+ }
+
if (u8g_i2c_send_byte(arg_val) == 0) {
u8g_i2c_stop();
return 0;
@@ -186,9 +189,6 @@ uint8_t u8g_com_HAL_LPC1768_ssd_hw_i2c_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_v
case U8G_COM_MSG_ADDRESS: /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
u8g->pin_list[U8G_PI_A0_STATE] = arg_val;
u8g->pin_list[U8G_PI_SET_A0] = 1; /* force a0 to set again */
-
- u8g_i2c_start(0); // send slave address and write bit
- u8g_i2c_send_byte(arg_val ? 0x40 : 0x80); // Write to ? Graphics DRAM mode : Command mode
break;
} // switch