mirror of
https://github.com/binary-kitchen/doorlockd
synced 2024-11-19 05:23:15 +01:00
56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
#include <cstring>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
|
|
#include "logger.h"
|
|
|
|
extern "C" {
|
|
#include "epaper/bsp.h"
|
|
#include "epaper/Display_Controller.h"
|
|
}
|
|
|
|
#include "epaper.h"
|
|
#include "config.h"
|
|
|
|
using namespace std;
|
|
|
|
Epaper::Epaper() :
|
|
_logger(Logger::get())
|
|
{
|
|
memset(_prevImg, 0xFF, _ARRAY_SIZE);
|
|
// Initialize Epaper library
|
|
bsp_init();
|
|
}
|
|
|
|
Epaper::~Epaper()
|
|
{
|
|
}
|
|
|
|
Epaper &Epaper::get()
|
|
{
|
|
static Epaper e;
|
|
return e;
|
|
}
|
|
|
|
void Epaper::draw(const string &uri)
|
|
{
|
|
unsigned char buffer[_ARRAY_SIZE];
|
|
snprintf((char*)buffer, _ARRAY_SIZE,
|
|
"qrencode -l M -d 100 -s 5 \"%s\" -t png -o -"
|
|
"| composite -geometry +90+0 /dev/stdin " TEMPLATE_LOCATION " -colorspace gray -depth 1 gray:-",
|
|
uri.c_str());
|
|
|
|
FILE* f = popen((const char*)buffer, "r");
|
|
int i = fread(buffer, _ARRAY_SIZE, 1, f);
|
|
if (i != 1)
|
|
{
|
|
_logger(LogLevel::error, "Image format error");
|
|
pclose(f);
|
|
return;
|
|
}
|
|
pclose(f);
|
|
|
|
epd_DisplayImg(EPDType_270, buffer, _prevImg);
|
|
memcpy(_prevImg, buffer, _ARRAY_SIZE);
|
|
}
|