mám USB host modul zapojený podle tohodle návodu: https://www.hackster.io/usini/plug-any- ... 266-e0ca8a
Modul funguje akorát se peru s programem. Snažim se připojit klávesnici a po seriáku vypisovat stisknuté klávesy. Základní čísla a písmena mi fungujou, akorát je to v anglické verzi.
Snažim se pochopit jak z programu dostat jednu proměnnou v které bude kód hex stisknuté klávesy (včetně modifikace Shift, Ctrl, Alt).
Poradíte někdo?
Díky
Upravený příklad programu:
Kód: Vybrat vše
#include <hidboot.h>
#include <usbhub.h>
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude
#include <spi4teensy3.h>
#endif
#include <SPI.h>
class KbdRptParser : public KeyboardReportParser
{
void PrintKey(uint8_t mod, uint8_t key);
protected:
void OnControlKeysChanged(uint8_t before, uint8_t after);
void OnKeyDown (uint8_t mod, uint8_t key);
void OnKeyUp (uint8_t mod, uint8_t key);
void OnKeyPressed(uint8_t key);
};
void KbdRptParser::PrintKey(uint8_t m, uint8_t key)
{
MODIFIERKEYS mod;
*((uint8_t*)&mod) = m;
//Serial.print((mod.bmLeftCtrl == 1) ? "C" : " ");
//Serial.print((mod.bmLeftShift == 1) ? "S" : " ");
// Serial.print((mod.bmLeftAlt == 1) ? "A" : " ");
// Serial.print((mod.bmLeftGUI == 1) ? "G" : " ");
//Serial.print(" >");
// PrintHex<uint8_t>(key, 0x80);
//Serial.print("< ");
//Serial.print((mod.bmRightCtrl == 1) ? "C" : " ");
//Serial.print((mod.bmRightShift == 1) ? "S" : " ");
//Serial.print((mod.bmRightAlt == 1) ? "A" : " ");
// Serial.println((mod.bmRightGUI == 1) ? "G" : " ");
};
void KbdRptParser::OnKeyDown(uint8_t mod, uint8_t key)
{
//Serial.print("DN ");
PrintKey(mod, key);
uint8_t c = OemToAscii(mod, key);
if (c)
OnKeyPressed(c);
}
void KbdRptParser::OnControlKeysChanged(uint8_t before, uint8_t after) {
MODIFIERKEYS beforeMod;
*((uint8_t*)&beforeMod) = before;
MODIFIERKEYS afterMod;
*((uint8_t*)&afterMod) = after;
if (beforeMod.bmLeftCtrl != afterMod.bmLeftCtrl) {
//Serial.println("LeftCtrl changed");
}
if (beforeMod.bmLeftShift != afterMod.bmLeftShift) {
// Serial.println("LeftShift changed");
}
if (beforeMod.bmLeftAlt != afterMod.bmLeftAlt) {
// Serial.println("LeftAlt changed");
}
if (beforeMod.bmLeftGUI != afterMod.bmLeftGUI) {
//Serial.println("LeftGUI changed");
}
if (beforeMod.bmRightCtrl != afterMod.bmRightCtrl) {
//Serial.println("RightCtrl changed");
}
if (beforeMod.bmRightShift != afterMod.bmRightShift) {
//Serial.println("RightShift changed");
}
if (beforeMod.bmRightAlt != afterMod.bmRightAlt) {
//Serial.println("RightAlt changed");
}
if (beforeMod.bmRightGUI != afterMod.bmRightGUI) {
//Serial.println("RightGUI changed");
}
}
void KbdRptParser::OnKeyUp(uint8_t mod, uint8_t key)
{
//Serial.print("UP ");
PrintKey(mod, key);
}
void KbdRptParser::OnKeyPressed(uint8_t key)
{
//Serial.print("ASCII: ");
Serial.print((char)key);
Serial.print(" = ");
PrintHex<uint8_t>(key, 0x80);
Serial.println();
};
USB Usb;
//USBHub Hub(&Usb);
HIDBoot<USB_HID_PROTOCOL_KEYBOARD> HidKeyboard(&Usb);
KbdRptParser Prs;
void setup()
{
Serial.begin( 115200 );
#if !defined(__MIPSEL__)
while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
#endif
Serial.println("Start");
if (Usb.Init() == -1)
Serial.println("OSC did not start.");
delay( 200 );
HidKeyboard.SetReportParser(0, &Prs);
}
void loop()
{
Usb.Task();
}