bblack_arch

bb_emmc_install.sh

#!/bin/sh

## install acpi
pacman -S acpid
echo "add poweroff > handler.sh"
nano /etc/acpi/handler.sh
systemctl enable acpid.service
systemctl start acpid.service

## install tools
echo "Install Tools"
pacman -Syu wget dosfstools

## sync time
echo "Install and Sync Date/Time"
pacman -S ntp
systemctl enable ntpd
systemctl start ntpd

## make filesystems
echo "Create Filesystems"
mkfs.vfat -F 16 /dev/mmcblk1p1
mkfs.ext4 /dev/mmcblk1p2

## get bootloader
echo "Install Bootloader"
if [ ! -f BeagleBone-bootloader.tar.gz ]; then
	wget http://archlinuxarm.org/os/omap/BeagleBone-bootloader.tar.gz	   
fi
mkdir -p boot
mount /dev/mmcblk1p1 boot 
tar -xvf BeagleBone-bootloader.tar.gz -C boot
umount boot

## Install system
echo "Install O/S"
if [ ! -f ArchLinuxARM-am33x-latest.tar.gz ]; then
	wget http://archlinuxarm.org/os/ArchLinuxARM-am33x-latest.tar.gz 
fi
mkdir -p root
mount /dev/mmcblk1p2 root 
tar -xzvf ArchLinuxARM-am33x-latest.tar.gz -C root
cp -rp packages.sh root/root

## Finish Up
umount root
echo "@@@@ Done @@@@"

bb_sd_install.sh

#!/bin/sh

SD="/dev/sdb"

## format SD card
echo "Creating Partitions on "$SD
export device=$SD
echo "o
p
n
p
1

+64M
t
e
a
n
p
2


w" | fdisk $device
sleep 2

## Create SD File Systems
echo "Make Filesystems..."
mkfs.vfat -F 16 $SD"1"
mkfs.ext4 $SD"2"

## get bootloader
echo "Install Bootloader..."
wget http://archlinuxarm.org/os/omap/BeagleBone-bootloader.tar.gz
mkdir -p boot	   
mount $SD"1" boot 
tar -xvf BeagleBone-bootloader.tar.gz -C boot
umount boot

## Install system
echo "Install O/S..."
wget http://archlinuxarm.org/os/ArchLinuxARM-am33x-latest.tar.gz 
mkdir -p root
mount $SD"2" root 
tar -xzvf ArchLinuxARM-am33x-latest.tar.gz -C root

## Copy Source Files
echo "Copying Source Files..."
cp -rp BeagleBone-bootloader.tar.gz root/root
cp -rp ArchLinuxARM-am33x-latest.tar.gz root/root
cp -rp emmc_install.sh root/root
cp -rp packages.sh root/root

## Finish up
umount root
echo "@@@@ Done @@@@"

boot.service

# /etc/systemd/system/boot.service
# systemctl enable boot.service
#
[Unit]
Description = FBTFT
DefaultDependencies=no
After=local-fs.target
Before=base.target

[Service]
ExecStart=/bin/sh /usr/share/scripts/sh/boot.sh
RemainAfterExit=yes

[Install]
WantedBy=getty.target

boot.sh

#!/bin/sh
# /usr/share/scripts/sh/boot.sh
/usr/bin/echo HY28A | sudo tee /sys/devices/bone_capemgr.*/slots;
/usr/bin/modprobe fbtft_device name=hy28a busnum=1 gpios=reset:48 rotate=270

HY28A-00A0.dts

/*

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License version 2 as
    published by the Free Software Foundation. *
    
    dtc -O dtb -o HY28A-00A0.dtbo -b 0 -@ HY28A-00A0.dts
    cp HY28A-00A0.dtbo /lib/firmware/
    echo HY28A > /sys/devices/bone_capemgr.9/slots *
    
    modprobe fbtft_device name=hy28a busnum=1 gpios=reset:48 rotate=270
    XXX: capemgr.enable_partno=BB-SPI1 should not be set in uEnv.txt since it
    conflicts with P9.31
    
    PinReg: PIN.5:Receive, PIN.4:Pull-Up/Down, 3:PUD Enable, PIN.2.1.0: Mode 
*/ 

/dts-v1/; 
/plugin/;

/ {
  compatible = "ti,beaglebone", "ti,beaglebone-black";

/* identification */
	part-number = "HY28A";
	version = "00A0";

/* state the resources this cape uses */
exclusive-use =
    /* the pin header uses */
    "P9.31",    /* spi1_sclk */
    // "P9.29", /* spi1_d0 */
    "P9.30",    /* spi1_d1 */
    "P9.28",    /* spi1_cs0 */
    "// P9.42", /* spi1_cs1 */
    "P9.15",    /* gpio1_16 - reset */
    "P9.23",    /* gpio1_17 - led */
    "P9.12",    /* gpio1_28 - dc */
    /* the hardware ip uses */
    "spi1",
    "gpio1_16",
    "gpio1_17",
    "gpio1_28";

fragment@0 {
    target = <&am33xx_pinmux>;
    __overlay__ {
        /* default state has all gpios released and mode set to uart1 */
        bb_spi1_pins: pinmux_bb_spi1_pins {
            pinctrl-single,pins = <
                0x190 0x33      /* 51 - mcasp0_aclkx.spi1_sclk, INPUT_PULLUP | MODE3 */
                0x194 0x33      /* 51 - mcasp0_fsx.spi1_d0, INPUT_PULLUP | MODE3 */
                0x198 0x13      /* 19 - mcasp0_axr0.spi1_d1, OUTPUT_PULLUP | MODE3 */
                0x19c 0x13      /* 19 - mcasp0_ahclkr.spi1_cs0, OUTPUT_PULLUP | MODE3 */
                //0x164 0x12    /* 18 - eCAP0_in_PWM0_out.spi1_cs1 OUTPUT_PULLUP | MODE2 */
            >;
        };
    };
};

fragment@1 {
    target = <&spi1>;   /* spi1 is numbered correctly */
    __overlay__ {
        status = "okay";
        pinctrl-names = "default";
        pinctrl-0 = <&bb_spi1_pins>;

        #address-cells = <1>;
        #size-cells = <0>;

        channel@0 {
            #address-cells = <1>;
            #size-cells = <0>;
            compatible = "spidev";
            reg = <0>;
            spi-max-frequency = <32000000>;
            spi-cpha;
        };


        channel@1 {
            #address-cells = <1>;
            #size-cells = <0>;

            compatible = "spidev";

            reg = <1>;
            spi-max-frequency = <32000000>;
        };
    };
};

fragment@2 {
    target = <&am33xx_pinmux>;
    __overlay__ {
    status = "okay";
    lcd_ctrl_pinmux: lcd_ctrl_pins {
          pinctrl-single,pins = <            
            0x040 0x17  /* 23 - RESET gpio1_16  OUTPUT_PULLUP | MODE7 */
            0x044 0x0F  /* 15 - LED gpio1_17  OUTPUT_PULDOWN | MODE7 */
            0x078 0x17  /* 23 - DC gpio1_28  OUTPUT_PULLUP | MODE7 */
          >;
        };
    };
};

fragment@3 {
    target = <&ocp>;
    __overlay__ {
    test_helper: helper {
            compatible = "bone-pinmux-helper";
            pinctrl-names = "default";
            pinctrl-0 = <&lcd_ctrl_pinmux>;
            status = "okay";
        };
    };
};

};

packages.sh

#!/bin/sh

## install acpi
pacman -S acpid
echo "add poweroff > handler.sh"
nano /etc/acpi/handler.sh
systemctl enable acpid.service
systemctl start acpid.service

## install tools
echo "Install Tools"
pacman -Syu wget dosfstools git base-devel

## sync time
echo "Install and Sync Date/Time"
pacman -S ntp
systemctl enable ntpd
systemctl start ntpd

## python
pacman -S python2

setup.sh

#!/bin/sh

##Disable HDMI
mkdir /mnt/boot
mount /dev/mmcblk0p1  /mnt/boot
nano /mnt/boot/uEnv.txt
#> optargs=quiet capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN
umount /mnt/boot
reboot

## Test to see if disabled ( no L )
cat /sys/devices/bone_capemgr.*/slots
#> 0: 54:PF--- 
#> 1: 55:PF--- 
#> 2: 56:PF--- 
#> 3: 57:PF--- 
#> 4: ff:P-O-L Bone-LT-eMMC-2G,00A0,Texas Instrument,BB-BONE-EMMC-2G
#> 5: ff:P-O-- Bone-Black-HDMI,00A0,Texas Instrument,BB-BONELT-HDMI
#> 6: ff:P-O-- Bone-Black-HDMIN,00A0,Texas Instrument,BB-BONELT-HDMIN
 
## Check Dependancies
zgrep -E "CONFIG_SPI=|CONFIG_GPIOLIB=|DEFERRED|FB_SYS_|FB_BACKLIGHT" /proc/config.gz
#> CONFIG_SPI=y
#> CONFIG_GPIOLIB=y
#> CONFIG_FB_SYS_FILLRECT=y
#> CONFIG_FB_SYS_COPYAREA=y
#> CONFIG_FB_SYS_IMAGEBLIT=y
#> CONFIG_FB_SYS_FOPS=y
#> CONFIG_FB_DEFERRED_IO=y

## Kernel Headers
pacman -S linux-am33x-legacy linux-headers-am33x-legacy

## install FBTFT
git clone https://github.com/notro/fbtft
cd fbtft
make
sudo make install
depmod

# enable SPI & Test
echo BB-SPIDEV0 | sudo tee /sys/devices/bone_capemgr.*/slots
#> BB-SPIDEV0
ls -l /dev/spi*
#> crw-rw---T 1 root spi 153, 1 Jul  2 15:01 /dev/spidev1.0
#> crw-rw---T 1 root spi 153, 0 Jul  2 15:01 /dev/spidev1.1
sudo modprobe fbtft_device name=hy28b busnum=1 #gpios=reset:XX
dmesg | tail


## Touch Screen
git clone https://github.com/notro/fbtft_tools
cd fbtft_tools/ads7846_device/
make
make install
depmod

# example
modprobe ads7846_device busnum=1 gpio_pendown=117 x_plate_ohms=100 pressure_max=255
dmesg