Fork/BatchuKVM
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Refactor: Rename NanoKVM to BatchuKVM and update server URL

Browse Source
This commit is contained in:
tindevil
2025-12-09 20:35:38 +09:00
commit 8cf674c9e5
396 changed files with 54380 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

238
support/sg2002/kvm_system/main/lib/hdmi/hdmi.cpp Normal file
View File

@@ -0,0 +1,238 @@
#include "hdmi.h"
using namespace maix;
using namespace maix::sys;
using namespace maix::peripheral;
i2c::I2C LT6911_i2c(4, i2c::Mode::MASTER);
void lt6911_enable()
{
uint8_t buf[2];
buf[0] = 0xff;
buf[1] = 0x80;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
buf[0] = 0xee;
buf[1] = 0x01;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
}
void lt6911_disable()
{
uint8_t buf[2];
buf[0] = 0xff;
buf[1] = 0x80;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
buf[0] = 0xee;
buf[1] = 0x00;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
}
void lt6911_start()
{
uint8_t buf[2];
buf[0] = 0xff;
buf[1] = 0x80;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
buf[0] = 0x5A;
buf[1] = 0x80;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
}
void lt6911_stop()
{
uint8_t buf[2];
buf[0] = 0xff;
buf[1] = 0x80;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
buf[0] = 0x5A;
buf[1] = 0x88;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
}
void lt6911_reset()
{
lt6911_stop();
time::sleep_ms(1);
lt6911_start();
}
void lt6911_get_hdmi_errer()
{
uint8_t buf[6];
buf[0] = 0xff;
buf[1] = 0xC0;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
buf[0] = 0x20;
buf[1] = 0x01;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
time::sleep_ms(100);
buf[0] = 0x24;
LT6911_i2c.writeto(LT6911_ADDR, buf, 1);
maix::Bytes *dat = LT6911_i2c.readfrom(LT6911_ADDR, 6);
buf[0] = 0x20;
buf[1] = 0x07;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
for(int i = 0; i < 6; i++){
buf[i] = (uint8_t)dat->data[i];
}
delete dat;
printf("hdmi_errer_code = %x, %x, %x, %x, %x, %x\n", buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
}
uint8_t lt6911_get_hdmi_res()
{
uint8_t buf[2];
uint8_t revbuf[4];
uint16_t Vactive;
uint16_t Hactive;
buf[0] = 0xff;
buf[1] = 0xd2;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
buf[0] = 0x83;
buf[1] = 0x11;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
time::sleep_ms(100);
// Vactive
buf[0] = 0x96;
LT6911_i2c.writeto(LT6911_ADDR, buf, 1);
maix::Bytes *dat0 = LT6911_i2c.readfrom(LT6911_ADDR, 2);
// Hactive
buf[0] = 0x8b;
LT6911_i2c.writeto(LT6911_ADDR, buf, 1);
maix::Bytes *dat1 = LT6911_i2c.readfrom(LT6911_ADDR, 2);
revbuf[0] = (uint8_t)dat0->data[0];
revbuf[1] = (uint8_t)dat0->data[1];
revbuf[2] = (uint8_t)dat1->data[0];
revbuf[3] = (uint8_t)dat1->data[1];
Vactive = (revbuf[0] << 8)|revbuf[1];
Hactive = (revbuf[2] << 8)|revbuf[3];
Hactive *= 2;
printf("HDMI res modification event\n");
printf("new res: %d * %d\n", Hactive, Vactive);
delete dat0;
delete dat1;
if (Vactive != 0 && Hactive != 0){
return 1;
} else {
return 0;
}
}
void lt6911_get_hdmi_clk()
{
uint8_t buf[2];
uint8_t revbuf[3];
uint32_t clk;
buf[0] = 0xff;
buf[1] = 0xa0;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
buf[0] = 0x34;
buf[1] = 0x0b;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
time::sleep_ms(50);
// clk
buf[0] = 0xff;
buf[1] = 0xb8;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
buf[0] = 0xb1;
LT6911_i2c.writeto(LT6911_ADDR, buf, 1);
maix::Bytes *dat0 = LT6911_i2c.readfrom(LT6911_ADDR, 3);
revbuf[0] = (uint8_t)dat0->data[0];
revbuf[1] = (uint8_t)dat0->data[1];
revbuf[2] = (uint8_t)dat0->data[2];
revbuf[0] &= 0x07;
clk = revbuf[0];
clk <<= 8;
clk |= revbuf[1];
clk <<= 8;
clk |= revbuf[2];
printf("HDMI CLK = %d\n", clk);
delete dat0;
}
uint8_t lt6911_get_csi_res()
{
uint8_t ret = 0;
uint8_t buf[2];
uint8_t revbuf[4];
static uint16_t old_Vactive;
static uint16_t old_Hactive;
uint16_t Vactive;
uint16_t Hactive;
char Cmd[100]={0};
buf[0] = 0xff;
buf[1] = 0xc2;
LT6911_i2c.writeto(LT6911_ADDR, buf, 2);
// Vactive
buf[0] = 0x06;
LT6911_i2c.writeto(LT6911_ADDR, buf, 1);
maix::Bytes *dat0 = LT6911_i2c.readfrom(LT6911_ADDR, 2);
// Hactive
buf[0] = 0x38;
LT6911_i2c.writeto(LT6911_ADDR, buf, 1);
maix::Bytes *dat1 = LT6911_i2c.readfrom(LT6911_ADDR, 2);
revbuf[0] = (uint8_t)dat0->data[0];
revbuf[1] = (uint8_t)dat0->data[1];
revbuf[2] = (uint8_t)dat1->data[0];
revbuf[3] = (uint8_t)dat1->data[1];
Vactive = (revbuf[0] << 8)|revbuf[1];
Hactive = (revbuf[2] << 8)|revbuf[3];
if(old_Hactive != Hactive || old_Vactive != Vactive){
old_Hactive = Hactive;
old_Vactive = Vactive;
ret = 1;
}
printf("CSI res: %d * %d\n", Hactive, Vactive);
// setenv("KVM_CSI_HEIGHT", to_string(Hactive).c_str(), 1);
// setenv("KVM_CSI_WIDTH", to_string(Vactive).c_str(), 1);
sprintf(Cmd, "echo %d > /kvmapp/kvm/width", Hactive);
system(Cmd);
sprintf(Cmd, "echo %d > /kvmapp/kvm/height", Vactive);
system(Cmd);
delete dat0;
delete dat1;
return ret;
}

29
support/sg2002/kvm_system/main/lib/hdmi/hdmi.h Normal file
View File

@@ -0,0 +1,29 @@
#ifndef HDMI_H_
#define HDMI_H_
#include "maix_basic.hpp"
#include "maix_time.hpp"
#include "maix_gpio.hpp"
#include "maix_pinmap.hpp"
#include "maix_i2c.hpp"
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <pthread.h>
#define LT6911_ADDR 0x2B
#define LT6911_READ 0xFF
#define LT6911_WRITE 0x00
void lt6911_enable();
void lt6911_disable();
void lt6911_start();
void lt6911_stop();
void lt6911_reset();
void lt6911_get_hdmi_errer();
uint8_t lt6911_get_hdmi_res();
void lt6911_get_hdmi_clk();
uint8_t lt6911_get_csi_res();
#endif // HDMI_H_