From 9d8ad7ccf588d08bfa7eb7063ed1920fa19116f5 Mon Sep 17 00:00:00 2001
From: Serge Vakulenko <serge.vakulenko@gmail.com>
Date: Tue, 30 Jan 2018 20:35:01 -0800
Subject: [PATCH] Configure gpanel driver for Duinomite board.

---
 sys/pic32/duinomite-emega/Makefile |  2 +-
 sys/pic32/duinomite/Config         | 17 ++++++++++++++++
 sys/pic32/duinomite/Makefile       | 31 +++++++++++++++++++++++++++++-
 3 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/sys/pic32/duinomite-emega/Makefile b/sys/pic32/duinomite-emega/Makefile
index 3bafeed..b0f7e72 100644
--- a/sys/pic32/duinomite-emega/Makefile
+++ b/sys/pic32/duinomite-emega/Makefile
@@ -19,7 +19,7 @@ PARAM += -DUSB_NUM_STRING_DESCRIPTORS=3
 PARAM += -DUSB_MAX_EP_NUMBER=3
 PARAM += -DCONS_MAJOR=UARTUSB_MAJOR
 PARAM += -DBUS_DIV=1
-PARAM += -DBUS_KHZ=40000
+PARAM += -DBUS_KHZ=80000
 PARAM += -DCPU_KHZ=80000
 LDSCRIPT = "maximite/bootloader.ld"
 #
diff --git a/sys/pic32/duinomite/Config b/sys/pic32/duinomite/Config
index 601fdd4..17df87b 100644
--- a/sys/pic32/duinomite/Config
+++ b/sys/pic32/duinomite/Config
@@ -62,3 +62,20 @@ device          adc
 
 # PWM driver
 device          pwm
+
+# TFT display driver with 8-bit parallel interface.
+# Supported controllers: ST7781, ILI9341, NT35702
+device          gpanel
+signal          "LCD_RST"   pin RB9     # arduino A4
+signal          "LCD_CS"    pin RB7     # arduino A3
+signal          "LCD_RS"    pin RB6     # arduino A2
+signal          "LCD_WR"    pin RB4     # arduino A1
+signal          "LCD_RD"    pin RB3     # arduino A0
+signal          "LCD_D2"    pin RE2     # arduino D2
+signal          "LCD_D3"    pin RE3     # arduino D3
+signal          "LCD_D4"    pin RE4     # arduino D4
+signal          "LCD_D5"    pin RE5     # arduino D5
+signal          "LCD_D6"    pin RE6     # arduino D6
+signal          "LCD_D7"    pin RE7     # arduino D7
+signal          "LCD_D0"    pin RB11    # arduino D8
+signal          "LCD_D1"    pin RB12    # arduino D9
diff --git a/sys/pic32/duinomite/Makefile b/sys/pic32/duinomite/Makefile
index 1cf1687..e4fa976 100644
--- a/sys/pic32/duinomite/Makefile
+++ b/sys/pic32/duinomite/Makefile
@@ -11,6 +11,20 @@ PARAM += -DGPIO5_ENABLED
 PARAM += -DGPIO6_ENABLED
 PARAM += -DADC_ENABLED
 PARAM += -DPWM_ENABLED
+PARAM += -DGPANEL_ENABLED
+PARAM += -DLCD_D1_PORT=TRISB -DLCD_D1_PIN=12
+PARAM += -DLCD_D0_PORT=TRISB -DLCD_D0_PIN=11
+PARAM += -DLCD_D7_PORT=TRISE -DLCD_D7_PIN=7
+PARAM += -DLCD_D6_PORT=TRISE -DLCD_D6_PIN=6
+PARAM += -DLCD_D5_PORT=TRISE -DLCD_D5_PIN=5
+PARAM += -DLCD_D4_PORT=TRISE -DLCD_D4_PIN=4
+PARAM += -DLCD_D3_PORT=TRISE -DLCD_D3_PIN=3
+PARAM += -DLCD_D2_PORT=TRISE -DLCD_D2_PIN=2
+PARAM += -DLCD_RD_PORT=TRISB -DLCD_RD_PIN=3
+PARAM += -DLCD_WR_PORT=TRISB -DLCD_WR_PIN=4
+PARAM += -DLCD_RS_PORT=TRISB -DLCD_RS_PIN=6
+PARAM += -DLCD_CS_PORT=TRISB -DLCD_CS_PIN=7
+PARAM += -DLCD_RST_PORT=TRISB -DLCD_RST_PIN=9
 PARAM += -DSD0_ENA_PORT=TRISB -DSD0_ENA_PIN=13
 PARAM += -DLED_DISK_PORT=TRISB -DLED_DISK_PIN=12
 PARAM += -DLED_KERNEL_PORT=TRISB -DLED_KERNEL_PIN=15
@@ -65,6 +79,7 @@ OBJS = exec_aout.o exec_conf.o exec_elf.o exec_script.o exec_subr.o \
 	ufs_namei.o ufs_subr.o ufs_syscalls.o ufs_syscalls2.o \
 	vfs_vnops.o vm_sched.o vm_swap.o vm_swp.o clock.o cons.o devsw.o \
 	exception.o machdep.o mem.o signal.o swap.o sysctl.o adc.o \
+	gpanel.o gpanel-ili9341.o gpanel-nt35702.o gpanel-st7781.o \
 	gpio.o pwm.o sd.o spi.o spi_bus.o usb_device.o \
 	usb_function_cdc.o usb_uart.o 
 
@@ -91,7 +106,9 @@ CFILES = $S/kernel/exec_aout.c $S/kernel/exec_conf.c $S/kernel/exec_elf.c \
 	$S/kernel/vm_swp.c $S/pic32/clock.c $S/pic32/cons.c \
 	$S/pic32/devsw.c $S/pic32/exception.c $S/pic32/machdep.c \
 	$S/pic32/mem.c $S/pic32/signal.c $S/pic32/swap.c \
-	$S/pic32/sysctl.c $S/pic32/adc.c $S/pic32/gpio.c $S/pic32/pwm.c \
+	$S/pic32/sysctl.c $S/pic32/adc.c $S/pic32/gpanel.c \
+	$S/pic32/gpanel-ili9341.c $S/pic32/gpanel-nt35702.c \
+	$S/pic32/gpanel-st7781.c $S/pic32/gpio.c $S/pic32/pwm.c \
 	$S/pic32/sd.c $S/pic32/spi.c $S/pic32/spi_bus.c \
 	$S/pic32/usb_device.c $S/pic32/usb_function_cdc.c \
 	$S/pic32/usb_uart.c swapunix.c 
@@ -329,6 +346,18 @@ sysctl.o: $S/pic32/sysctl.c
 adc.o: $S/pic32/adc.c
 	${COMPILE_C}
 
+gpanel.o: $S/pic32/gpanel.c
+	${COMPILE_C}
+
+gpanel-ili9341.o: $S/pic32/gpanel-ili9341.c
+	${COMPILE_C}
+
+gpanel-nt35702.o: $S/pic32/gpanel-nt35702.c
+	${COMPILE_C}
+
+gpanel-st7781.o: $S/pic32/gpanel-st7781.c
+	${COMPILE_C}
+
 gpio.o: $S/pic32/gpio.c
 	${COMPILE_C}