3dscontroller-ng/3DSsource/source/wireless.c

61 lines
1.8 KiB
C

#include <stddef.h>
#include <string.h>
#include "keyboard.h"
#include "sys/_types.h"
#include "wireless.h"
int sock;
struct sockaddr_in sain, saout;
struct packet outBuf, rcvBuf;
socklen_t sockaddr_in_sizePtr = (int)sizeof(struct sockaddr_in);
bool openSocket(int port) {
sock = socket(AF_INET, SOCK_DGRAM, 0);
saout.sin_family = sain.sin_family = AF_INET;
saout.sin_port = sain.sin_port = htons(port);
sain.sin_addr.s_addr = INADDR_ANY;
bind(sock, (struct sockaddr *)&sain, sizeof(sain));
fcntl(sock, F_SETFL, O_NONBLOCK);
return true;
}
void sendBuf(int length) {
sendto(sock, (char *)&outBuf, length, 0, (struct sockaddr *)&saout,
sizeof(saout));
}
int receiveBuffer(int length) {
return recvfrom(sock, (char *)&rcvBuf, length, 0, (struct sockaddr *)&sain,
&sockaddr_in_sizePtr);
}
void sendConnectionRequest(void) {
outBuf.command = CONNECT;
outBuf.keyboardActive = keyboardActive;
sendBuf(offsetof(struct packet, connectPacket) +
sizeof(struct connectPacket));
}
void sendKeys(unsigned int keys, circlePosition circlePad, touchPosition touch,
circlePosition cStick, unsigned int volume,
angularRate gyro, accelVector accel) {
outBuf.command = KEYS;
outBuf.keyboardActive = keyboardActive;
memcpy(&outBuf.keys, &keys, 4);
memcpy(&outBuf.circlePad, &circlePad, 4);
memcpy(&outBuf.touch, &touch, 4);
memcpy(&outBuf.cStick, &cStick, 4);
memcpy(&outBuf.volume, &volume, 4);
memcpy(&outBuf.gyro, &gyro, 6);
// Padding to separate gyro from accel, making it less confusing when parsing the data
outBuf.padding = 0;
memcpy(&outBuf.accel, &accel, 6);
// memcpy(&outBuf.threeD32, &threeD32, 4);
sendBuf(offsetof(struct packet, keysPacket) + sizeof(struct keysPacket));
}