QuaStation

010 M5StickC_UART.ino

// QuaStationのシリアル通信のコネクタにいつものM5のGROVEケーブルがぴったり。
// GROVEケーブルのツメを持ち上げて赤と黒を抜く、赤のところに黒をいれる。赤は入れないでテープで絶縁
// 改造したほうをQuaに指して、反対側はそのままM5StickCに。
// screen `ls -1 /dev/cu.usbserial-*` 115200
// https://lang-ship.com/blog/work/m5stickc-uartserial/

#include <M5StickC.h>
#define LED_BUILTIN 10

void setup() {
  M5.begin();
  Serial1.begin(115200, SERIAL_8N1, 32, 33); // GROVE rx=32, tx=33
  pinMode(LED_BUILTIN, OUTPUT);
}

int led_count = 0;
void loop() {
  if (Serial.available()) {
    int inByte = Serial.read();
    Serial1.write(inByte);
    led_count = 0;
  }
  if (Serial1.available()) {
    int inByte = Serial1.read();
    Serial.write(inByte);
    led_count = 0;
  }

  if(led_count < 10000){
    digitalWrite(LED_BUILTIN, LOW);
    led_count++;
  }else{
    digitalWrite(LED_BUILTIN, HIGH);
  }
}

020 u-boot

ESC連打してたらubootにはいれた

https://old.haruroid.com/haruroid.0t0.jp/blog/archives/1509.html

...
...
CPU  : Cortex-A53 quad core - AARCH32
Board: Realtek QA Board
DRAM:  0 Bytes
Watchdog: Disabled
Cache: Enabled
Non-Cache Region: 1 MB@0x07900000
MMC:   RTD1295 eMMC: 0
mmc->version=0x00010000
version=0x00000004
[LY] cardtype=57, mmc->card_caps=0f
[LY] freq = 00464388, clk diver = 00000080
[LY] speed up emmc at HS-200
[LY] HS-200 bus width=2
[LY] mmc->boot_caps = 20b
TEMP TX_WINDOW=0x7ffffffe, TX_best=0xf
RX_WINDOW=0xffff807f, RX_best=0x1a
TX1_WINDOW=0x3fffff80, TX_best=0x12
[LY] hs200 : 0
[HC] WPG_SIZE = 8388608
Device: RTD1295 eMMC
Manufacturer ID: 15
OEM: 100
Name: 8GME4
Tran Speed: 5f5e100
Rd Block Len: 512
MMC version 4.0
High Capacity: No
Capacity: 7.3 GiB
Bus Width: 8-bit
Speed: HS200
Factory: MMC
Factory: pp:1, seq#:0x39, size:0x22000
------------can't find tmp/factory/000BootParam.h
In:    serial
Out:   serial
Err:   serial
Net:   Realtek PCIe GBE Family Controller mcfg = 0024
dev->name=r8168#0
Hit Esc or Tab key to enter console mode or rescue linux:  0
------------can't find tmp/factory/recovery

Press Esc Key
WPS button => 1
reset button => 1
Current AdbStatus=off
Current Power status 1 =off
Current Power status 2 =off

Enter console mode, disable watchdog ...

Realtek>
Realtek> help
b2ndbc  - load 2nd stage bootcode
bdinfo  - print Board Info structure
bootm   - boot application image from memory
bootr   - boot realtek platform
dcache  - enable or disable data cache
env     - environment handling commands
factory - FACTORY sub system
fatinfo - print information about filesystem
fatload - load binary file from a dos filesystem
fatls   - list files in a directory (default /)
fdt     - flattened device tree utility commands
gettime - get timer val elapsed
go      - start application at address 'addr' or start running fw
goru    - start rescue linux from usb
help    - print command description/usage
icache  - enable or disable instruction cache
keyset  - keyset - write keyset file into factory area
led     - led	- [0|all] [on|off|toggle]

loady   - load binary file over serial line (ymodem mode)
md      - memory display
mmc     - MMC sub system (patch for rtd299x)
mtest   - simple RAM read/write test
mtest2  - simple RAM read/write test
mw      - memory write (fill)
ping    - send ICMP ECHO_REQUEST to network host
reset   - Perform RESET of the CPU
rtkemmc - RTK EMMC functions
rtkgpio - rtk gpio access
saveenv - save environment variables to persistent storage
source  - run script from memory
tftp    - download image from TFTP server
tftpput - TFTP put command, for uploading files to a server
uart_write- for uart mp tool burn mac and sn key

unzip   - unzip a memory region
usb     - USB sub-system
version - print monitor, compiler and linker version

030 カーネルビルド

https://u-haru.com/post/quastation%E7%94%A8%E3%81%AE%E3%82%AB%E3%83%BC%E3%83%8D%E3%83%AB%E3%82%92%E3%83%93%E3%83%AB%E3%83%89%E3%81%99%E3%82%8B/

https://github.com/BPI-SINOVOIP/BPI-W2-bsp

docker run -v /home/takeru/proj/qua-station/bpi:/bpi -t -i sinovoip/bpi-build-linux-4.4:ubuntu16.04 /bin/bash

wget https://github.com/BPI-SINOVOIP/BPI-W2-bsp/archive/refs/tags/w2-4.9-v1.0.tar.gz
tar xvzf w2-4.9-v1.0.tar.gz

wget https://gist.githubusercontent.com/u-haru/237072dd7847cbe6c4695d5d67d623e7/raw/8f622ad4dd8d8480d2ff95b1b4dec6b4bc09c72d/BPI-Qua.conf

cp BPI-Qua.conf ./BPI-W2-bsp-w2-4.9-v1.0/linux-rt/.config

cd ./BPI-W2-bsp-w2-4.9-v1.0

./build.sh
(3. Build kernel only. を選ぶ)

root@7e81bc0389a5:/bpi/BPI-W2-bsp-w2-4.9-v1.0# ls -l ./linux-rt/arch/arm64/boot/Image
-rwxr-xr-x 1 root root 21281280 May 28 02:36 ./linux-rt/arch/arm64/boot/Image

root@7e81bc0389a5:/bpi/BPI-W2-bsp-w2-4.9-v1.0# ls -l ./linux-rt/arch/arm64/boot/dts/realtek/rtd129x/rtd-1296-bananapi-w2-2GB-HDMI.dtb
-rw-r--r-- 1 root root 46741 May 28 02:31 ./linux-rt/arch/arm64/boot/dts/realtek/rtd129x/rtd-1296-bananapi-w2-2GB-HDMI.dtb

41e57044b1664e7e442b029a13b6b3b7bf1ab320  ./linux-rt/arch/arm64/boot/Image
aeea4c423126433b6d6eb219c9623f6855eee622  ./linux-rt/arch/arm64/boot/dts/realtek/rtd129x/rtd-1296-bananapi-w2-2GB-HDMI.dtb

root@7e81bc0389a5:/bpi/BPI-W2-bsp-w2-4.9-v1.0# ls -l ./linux-rt/output/lib/modules/
total 4
drwxr-xr-x 3 root root 4096 May 28 02:38 4.9.119-BPI-W2-Kernel