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‎kvm_system/.DS_Store‎

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‎kvm_system/README.md‎

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‎kvm_system/main/CMakeLists.txt‎

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list(APPEND ADD_INCLUDE
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"include"
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"lib/libqr"
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"lib/system_ctrl"
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"lib/system_state"
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"lib/system_init"
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"lib/oled_ctrl"
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"lib/oled_ui"
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"lib/hdmi"
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)
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list(APPEND ADD_PRIVATE_INCLUDE "")
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append_srcs_dir(ADD_SRCS
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"src"
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"lib/libqr"
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"lib/system_ctrl"
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"lib/system_state"
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"lib/system_init"
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"lib/oled_ctrl"
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"lib/oled_ui"
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"lib/hdmi"
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) # append source file in src dir to var ADD_SRCS
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list(APPEND ADD_REQUIREMENTS basic peripheral)
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register_component()

‎kvm_system/main/Kconfig‎

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‎kvm_system/main/include/config.h‎

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#ifndef CONFIG_H_
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#define CONFIG_H_
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#include "maix_basic.hpp"
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#include "maix_time.hpp"
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#include "maix_gpio.hpp"
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#include "maix_pinmap.hpp"
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#include "maix_i2c.hpp"
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#include "maix_uart.hpp"
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <sys/poll.h>
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#include <fstream>
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#include <linux/input.h>
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#include "qr.h"
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#include "system_ctrl.h"
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#include "system_state.h"
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#include "system_init.h"
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#include "oled_ctrl.h"
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#include "oled_ui.h"
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#include "hdmi.h"
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#define IP_Change_time 5000
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#define QR_Change_time 5000
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#define STATE_DELAY 1000
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#define OLED_DELAY 1000
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#define KEY_DELAY 100
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#define KEY_LONG_PRESS 1500
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#define KEY_LONGLONG_PRESS 9000
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#define WIFI_CONNECTION_DELAY 5000
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#define OLED_SLEEP_DELAY_MIN 10
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#define OLED_SLEEP_DELAY_DEFAULT 30
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typedef struct {
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int8_t page = 0;
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int8_t sub_page = 0;
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uint8_t eth_route[16] = {0}; // route ip
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uint8_t wifi_route[16] = {0}; // route ip
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uint8_t eth_addr[16] = {0}; // ETH ip
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uint8_t wifi_addr[16] = {0}; // WiFi ip
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uint8_t tail_addr[16] = {0}; // Tailscale ip
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uint8_t rndis_addr[16] = {0}; // RNDIS ip
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int8_t eth_state = -1; // cat /sys/class/net/eth0/carrier
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int8_t wifi_state = -1; // cat /sys/class/net/wlan0/carrier
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int8_t tail_state = -1; // ifconfig tailscale0 | grep 'inet addr' | awk '{print $2}'
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int8_t hdmi_state = -1; // cat /proc/cvitek/vi_dbg | grep VIFPS | awk '{print $3}' (1s)
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int8_t usb_state = -1; // cat /sys/class/udc/4340000.usb/state
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int8_t hid_state = -1; // (exist?) /sys/kernel/config/usb_gadget/g0/configs/c.1/hid.GSn(n=012)
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int8_t rndis_state = -1; // (exist?) /sys/kernel/config/usb_gadget/g0/configs/c.1/rndis.usb0
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int8_t udisk_state = -1; // (exist?) /sys/kernel/config/usb_gadget/g0/configs/c.1/mass_storage.disk0
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int8_t host_pwr_state = -1; // cat /sys/class/gpio/gpio504/value
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int16_t hdmi_width = 0; // cat /kvmapp/kvm/width
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int16_t hdmi_height = 0; // cat /kvmapp/kvm/height
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int8_t type = 0; // cat /kvmapp/kvm/type
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int8_t now_fps = 0; // cat /kvmapp/kvm/now_fps
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int16_t qlty = 0; // cat /kvmapp/kvm/qlty
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int8_t oled_thread_running = 0;
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int8_t key_thread_running = 0;
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int8_t sys_thread_running = 0;
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int8_t wifi_config_process = -1; // 1:QR;2:Test;3:IP;
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char wifi_ap_pass[9] = {0};
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uint8_t oled_sleep_state = 0; // 0:wakeup; 1:sleep;
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int8_t reconvery_update = 0; // 0:Undetected; 1:Needs Update; 2:Update finish; -1:not need to update
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} kvm_sys_state_t;
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typedef struct {
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int8_t page = -1;
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int8_t sub_page = -1;
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uint8_t eth_route[16] = {0}; // route ip
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uint8_t wifi_route[16] = {0}; // route ip
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uint8_t eth_addr[16] = {0}; // ETH ip
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uint8_t wifi_addr[16] = {0}; // WiFi ip
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uint8_t tail_addr[16] = {0}; // Tailscale ip
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uint8_t rndis_addr[16] = {0}; // RNDIS ip
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int8_t eth_state = -1; // cat /sys/class/net/eth0/carrier
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int8_t wifi_state = -1; // cat /sys/class/net/wlan0/carrier
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int8_t tail_state = -1; // ifconfig tailscale0 | grep inet\ addr | awk '{print $2}'
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int8_t hdmi_state = -1; // cat /proc/cvitek/vi_dbg | grep VIFPS | awk '{print $3}' (1s)
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int8_t usb_state = -1; // cat /sys/class/udc/4340000.usb/state
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int8_t hid_state = -1; // (exist?) /sys/kernel/config/usb_gadget/g0/configs/c.1/hid.GSn(n=012)
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int8_t rndis_state = -1; // (exist?) /sys/kernel/config/usb_gadget/g0/configs/c.1/rndis.usb0
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int8_t udisk_state = -1; // (exist?) /sys/kernel/config/usb_gadget/g0/configs/c.1/mass_storage.disk0
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int8_t host_pwr_state = -1; // cat /sys/class/gpio/gpio504/value
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int16_t hdmi_width = -1; // cat /kvmapp/kvm/width
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int16_t hdmi_height = -1; // cat /kvmapp/kvm/height
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int8_t type = -1; // cat /kvmapp/kvm/type
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int8_t now_fps = -1; // cat /kvmapp/kvm/now_fps
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int16_t qlty = -1; // cat /kvmapp/kvm/qlty
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uint8_t oled_sleep_param = 0;
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uint8_t oled_sleep_state = 0; // 0:wakeup; 1:sleep;
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uint64_t oled_sleep_start = 0;
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} kvm_oled_state_t;
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#endif // CONFIG_H_

‎kvm_system/main/lib/hdmi/hdmi.cpp‎

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#include "hdmi.h"
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using namespace maix;
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using namespace maix::sys;
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using namespace maix::peripheral;
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i2c::I2C LT6911_i2c(4, i2c::Mode::MASTER);
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void lt6911_enable()
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{
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uint8_t buf[2];
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buf[0] = 0xff;
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buf[1] = 0x80;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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buf[0] = 0xee;
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buf[1] = 0x01;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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}
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void lt6911_disable()
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{
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uint8_t buf[2];
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buf[0] = 0xff;
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buf[1] = 0x80;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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buf[0] = 0xee;
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buf[1] = 0x00;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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}
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void lt6911_start()
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{
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uint8_t buf[2];
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buf[0] = 0xff;
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buf[1] = 0x80;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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buf[0] = 0x5A;
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buf[1] = 0x80;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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}
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void lt6911_stop()
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{
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uint8_t buf[2];
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buf[0] = 0xff;
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buf[1] = 0x80;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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buf[0] = 0x5A;
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buf[1] = 0x88;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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}
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void lt6911_reset()
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{
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lt6911_stop();
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time::sleep_ms(1);
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lt6911_start();
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}
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void lt6911_get_hdmi_errer()
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{
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uint8_t buf[6];
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buf[0] = 0xff;
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buf[1] = 0xC0;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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buf[0] = 0x20;
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buf[1] = 0x01;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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time::sleep_ms(100);
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buf[0] = 0x24;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 1);
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maix::Bytes *dat = LT6911_i2c.readfrom(LT6911_ADDR, 6);
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buf[0] = 0x20;
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buf[1] = 0x07;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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for(int i = 0; i < 6; i++){
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buf[i] = (uint8_t)dat->data[i];
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}
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delete dat;
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printf("hdmi_errer_code = %x, %x, %x, %x, %x, %x\n", buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
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}
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uint8_t lt6911_get_hdmi_res()
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{
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uint8_t buf[2];
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uint8_t revbuf[4];
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uint16_t Vactive;
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uint16_t Hactive;
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buf[0] = 0xff;
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buf[1] = 0xd2;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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buf[0] = 0x83;
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buf[1] = 0x11;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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time::sleep_ms(100);
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// Vactive
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buf[0] = 0x96;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 1);
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maix::Bytes *dat0 = LT6911_i2c.readfrom(LT6911_ADDR, 2);
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// Hactive
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buf[0] = 0x8b;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 1);
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maix::Bytes *dat1 = LT6911_i2c.readfrom(LT6911_ADDR, 2);
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revbuf[0] = (uint8_t)dat0->data[0];
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revbuf[1] = (uint8_t)dat0->data[1];
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revbuf[2] = (uint8_t)dat1->data[0];
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revbuf[3] = (uint8_t)dat1->data[1];
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Vactive = (revbuf[0] << 8)|revbuf[1];
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Hactive = (revbuf[2] << 8)|revbuf[3];
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Hactive *= 2;
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printf("HDMI res modification event\n");
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printf("new res: %d * %d\n", Hactive, Vactive);
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delete dat0;
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delete dat1;
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if (Vactive != 0 && Hactive != 0){
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return 1;
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} else {
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return 0;
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}
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}
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void lt6911_get_hdmi_clk()
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{
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uint8_t buf[2];
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uint8_t revbuf[3];
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uint32_t clk;
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buf[0] = 0xff;
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buf[1] = 0xa0;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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buf[0] = 0x34;
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buf[1] = 0x0b;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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time::sleep_ms(50);
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// clk
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buf[0] = 0xff;
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buf[1] = 0xb8;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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buf[0] = 0xb1;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 1);
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maix::Bytes *dat0 = LT6911_i2c.readfrom(LT6911_ADDR, 3);
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revbuf[0] = (uint8_t)dat0->data[0];
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revbuf[1] = (uint8_t)dat0->data[1];
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revbuf[2] = (uint8_t)dat0->data[2];
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revbuf[0] &= 0x07;
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clk = revbuf[0];
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clk <<= 8;
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clk |= revbuf[1];
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clk <<= 8;
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clk |= revbuf[2];
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printf("HDMI CLK = %d\n", clk);
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delete dat0;
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}
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uint8_t lt6911_get_csi_res()
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{
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uint8_t ret = 0;
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uint8_t buf[2];
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uint8_t revbuf[4];
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static uint16_t old_Vactive;
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static uint16_t old_Hactive;
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uint16_t Vactive;
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uint16_t Hactive;
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char Cmd[100]={0};
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buf[0] = 0xff;
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buf[1] = 0xc2;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
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// Vactive
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buf[0] = 0x06;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 1);
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maix::Bytes *dat0 = LT6911_i2c.readfrom(LT6911_ADDR, 2);
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// Hactive
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buf[0] = 0x38;
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LT6911_i2c.writeto(LT6911_ADDR, buf, 1);
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maix::Bytes *dat1 = LT6911_i2c.readfrom(LT6911_ADDR, 2);
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revbuf[0] = (uint8_t)dat0->data[0];
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revbuf[1] = (uint8_t)dat0->data[1];
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revbuf[2] = (uint8_t)dat1->data[0];
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revbuf[3] = (uint8_t)dat1->data[1];
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Vactive = (revbuf[0] << 8)|revbuf[1];
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Hactive = (revbuf[2] << 8)|revbuf[3];
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if(old_Hactive != Hactive || old_Vactive != Vactive){
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old_Hactive = Hactive;
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old_Vactive = Vactive;
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ret = 1;
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}
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printf("CSI res: %d * %d\n", Hactive, Vactive);
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// setenv("KVM_CSI_HEIGHT", to_string(Hactive).c_str(), 1);
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// setenv("KVM_CSI_WIDTH", to_string(Vactive).c_str(), 1);
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sprintf(Cmd, "echo %d > /kvmapp/kvm/width", Hactive);
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system(Cmd);
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sprintf(Cmd, "echo %d > /kvmapp/kvm/height", Vactive);
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system(Cmd);
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delete dat0;
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delete dat1;
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return ret;
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}

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