Programmation nInvaders

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1 parent 58b09a0b
Showing 9 changed files with 213 additions and 5 deletions Show diff stats
games/ninvaders/ninvaders-0.1.1/aliens.o
games/ninvaders/ninvaders-0.1.1/arduino.c
games/ninvaders/ninvaders-0.1.1/arduino.h
games/ninvaders/ninvaders-0.1.1/globals.o
games/ninvaders/ninvaders-0.1.1/makefile
games/ninvaders/ninvaders-0.1.1/nInvaders.c
games/ninvaders/ninvaders-0.1.1/player.o
games/ninvaders/ninvaders-0.1.1/ufo.o
games/ninvaders/ninvaders-0.1.1/view.o
@@ -0,0 +1,130 @@
+#include <libusb-1.0/libusb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <unistd.h>
+#include "arduino.h"
+
+void init(libusb_context **context, libusb_device ***devices, ssize_t *devices_count){
+	int status = libusb_init(context);
+	if(status != 0){perror("libusb_init"); exit(-1);}
+
+	*devices_count = libusb_get_device_list(*context, devices);
+	if(*devices_count < 0){perror("libusb_get_device_list"); exit(-1);}
+}
+
+libusb_device* searchArduino(libusb_device **devices, ssize_t devices_count){
+	for(int i=0; i<devices_count; i++){
+		libusb_device *device = devices[i];
+
+		// device description
+		struct libusb_device_descriptor desc;
+		int status = libusb_get_device_descriptor(device, &desc);
+		if(status != 0) continue;
+		
+		// search for device
+		if(desc.idVendor == ID_VENDOR
+				&& desc.idProduct == ID_PRODUCT)
+			return device;
+	}
+	return NULL;
+}
+
+void openConnection(libusb_device *arduino, libusb_device_handle **handle, struct libusb_config_descriptor **config_desc){
+	// open connection
+	int status = libusb_open(arduino, handle);
+	if(status != 0){ perror("libusb_open"); exit(-1); }
+	
+	// prepare config
+	status = libusb_get_config_descriptor(arduino, 0, config_desc);
+	if(status != 0){ perror("libusb_get_config_descriptor"); exit(-1); }
+	int configuration = (*config_desc)->bConfigurationValue;
+
+	// detach kernel
+	for(int j=0; j<(*config_desc)->bNumInterfaces; j++){
+		int interface = (*config_desc)->interface[j].altsetting[0].bInterfaceNumber;
+		if(libusb_kernel_driver_active(*handle, interface)){
+			status = libusb_detach_kernel_driver(*handle, interface);
+			if(status != 0){ perror("libusb_detach_kernel_driver"); exit(-1); }
+		}
+	}
+	
+	// use config
+	status = libusb_set_configuration(*handle, configuration);
+	if(status != 0){ perror("libusb_set_configuration"); exit(-1); }
+	
+	// claim interfaces
+	for(int j=0; j<(*config_desc)->bNumInterfaces; j++){
+		struct libusb_interface_descriptor interface_desc = (*config_desc)->interface[j].altsetting[0];
+		int interface = interface_desc.bInterfaceNumber;
+
+		status = libusb_claim_interface(*handle, interface);
+		if(status != 0){ perror("libusb_claim_interface"); exit(-1); }
+	}
+}
+
+void getEndpoints(struct libusb_config_descriptor *config_desc, struct libusb_endpoint_descriptor *endpoint_desc_list){
+	int count = 0;
+	// in interfaces
+	for(int j=0; j<config_desc->bNumInterfaces; j++){
+		// find endpoints
+		for(int k=0; k<config_desc->interface[j].altsetting[0].bNumEndpoints; k++){
+			if(count > ENDPOINTS_NUMBER){ printf("getEndpoints: Array out of bound :%d:", count); exit(-1); }
+			*(endpoint_desc_list + count) = config_desc->interface[j].altsetting[0].endpoint[k];
+			count++;
+		}
+	}
+	//if(count != ENDPOINTS_NUMBER){ printf("Wrong number of endpoints.\nIs this the good device ?\n"); exit(-1); }
+}
+
+void start(libusb_context **context, libusb_device ***devices, libusb_device_handle **handle, struct libusb_config_descriptor **config_desc, struct libusb_endpoint_descriptor *endpoint_desc_list){
+	// init
+	ssize_t devices_count;
+	init(context, devices, &devices_count);
+
+	// get arduino device
+	libusb_device *arduino = searchArduino(*devices, devices_count);
+	if(arduino == NULL){ printf("Arduino device not found\n"); exit(-1); }
+
+	// open connection, use config, detach kernel and claim interfaces
+	openConnection(arduino, handle, config_desc);
+
+	// get enpoints
+	getEndpoints(*config_desc, endpoint_desc_list);
+}
+
+void stop(struct libusb_config_descriptor *config_desc, libusb_device_handle *handle, libusb_device **devices, libusb_context *context){
+	// release interfaces
+	for(int j=0; j<config_desc->bNumInterfaces; j++){
+		struct libusb_interface_descriptor interface_desc = config_desc->interface[j].altsetting[0];
+		int interface = interface_desc.bInterfaceNumber;
+
+		int status = libusb_release_interface(handle, interface);
+		if(status != 0){ perror("libusb_release_interface"); exit(-1); }
+	}
+	
+	// free config
+	libusb_free_config_descriptor(config_desc);
+
+	// close connection
+	libusb_close(handle);
+
+	// free device list
+	libusb_free_device_list(devices, 1);
+
+	// libusb exit
+	libusb_exit(context);
+}
+
+void sendData(int endpoint_id, uint8_t data, libusb_device_handle *handle, struct libusb_endpoint_descriptor *endpoint_desc_list){
+	if(endpoint_id < 0 || endpoint_id > 1){ printf("(sendData) Wrong endpoint !\nMust be 0 or 1\n"); return; }
+	int status = libusb_interrupt_transfer(handle, endpoint_desc_list[endpoint_id].bEndpointAddress, (unsigned char *) &data, 1, NULL, TIMEOUT);
+	if(status!=0 && status!=LIBUSB_ERROR_TIMEOUT){ perror("libusb_interrupt_transfer"); exit(-1); }
+}
+
+int receiveData(int endpoint_id, uint8_t *data, libusb_device_handle *handle, struct libusb_endpoint_descriptor *endpoint_desc_list){
+	if(endpoint_id < 2 || endpoint_id > 3){ printf("(sendData) Wrong endpoint !\nMust be 2 or 3\n"); return -1; }
+	int status = libusb_interrupt_transfer(handle, endpoint_desc_list[endpoint_id].bEndpointAddress, (unsigned char *) data, 1, NULL, TIMEOUT);
+	if(status!=0 && status!=LIBUSB_ERROR_TIMEOUT){ perror("libusb_interrupt_transfer"); exit(-1); }
+	return status;
+}
@@ -0,0 +1,19 @@
+#ifndef ARDUINO 
+#define ARDUINO
+
+#define ID_VENDOR 0x2341
+#define ID_PRODUCT 0x01
+#define ENDPOINTS_NUMBER 4
+#define TIMEOUT 50
+#define MAX_DATA 50
+
+void init(libusb_context **context, libusb_device ***devices, ssize_t *devices_count);
+libusb_device* searchArduino(libusb_device **devices, ssize_t devices_count);
+void openConnection(libusb_device *arduino, libusb_device_handle **handle, struct libusb_config_descriptor **config_desc);
+void getEndpoints(struct libusb_config_descriptor *config_desc, struct libusb_endpoint_descriptor *endpoint_desc_list);
+void start(libusb_context **context, libusb_device ***devices, libusb_device_handle **handle, struct libusb_config_descriptor **config_desc, struct libusb_endpoint_descriptor *endpoint_desc_list);
+void stop(struct libusb_config_descriptor *config_desc, libusb_device_handle *handle, libusb_device **devices, libusb_context *context);
+void sendData(int endpoint_id, uint8_t data, libusb_device_handle *handle, struct libusb_endpoint_descriptor *endpoint_desc_list);
+int receiveData(int endpoint_id, uint8_t *data, libusb_device_handle *handle, struct libusb_endpoint_descriptor *endpoint_desc_list);
+
+#endif
@@ -0,0 +1,20 @@
+CC=gcc
+CFLAGS=-O3 -Wall
+LIBS=-l ncurses usb-1.0
+
+CFILES=globals.c view.c aliens.c ufo.c player.c ardunio.c nInvaders.c
+HFILES=globals.h view.h aliens.h ufo.h player.h ardunio.h nInvaders.h
+OFILES=globals.o view.o aliens.o ufo.o player.o ardunio.o nInvaders.o
+all:		nInvaders
+		rm -f $(OFILES)
+
+nInvaders: 	$(OFILES) $(HFILES)
+		$(CC) $(LDFLAGS) -o$@ $(OFILES) $(LIBS)
+
+.c.o:
+		$(CC) -c -I. $(CFLAGS) $(OPTIONS) $<
+clean:
+		rm -f nInvaders $(OFILES)
+
+exec: all
+	./nInvaders
@@ -29,6 +29,11 @@
 #include "player.h"
 #include "aliens.h"
 #include "ufo.h"
+#include "arduino.h"
+#include <libusb-1.0/libusb.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <unistd.h>
 #define FPS 50
@@ -131,12 +136,22 @@ void drawscore()
 /**
  * reads input from keyboard and do action
  */
-void readInput()
+void readInput(libusb_device_handle *handle, struct libusb_endpoint_descriptor *endpoint_desc_list)
 {
 	int ch;
 	static int lastmove;
+	timeout(100);
 	ch = getch();		// get key pressed
+	if(ch == -1){
+		uint8_t data;
+		int status = receiveData(2, &data, handle, endpoint_desc_list);
+		if(status == 0){
+			if(data & 0x10 == 0x10) ch = KEY_LEFT;
+			else if(data & 0x08 == 0x08) ch = ' ';
+			else if(data & 0x04 == 0x04) ch = KEY_RIGHT;
+		}
+	}
 	switch (status) {
@@ -326,10 +341,31 @@ void setUpTimer()
 }
+int go = 1;
+void signalINT(int sig){
+	if(sig == SIGINT){
+		go = 0;
+	}
+}
 int main(int argc, char **argv)
 {
- 	weite = 0;
-	score = 0;
+	libusb_context *context;
+	libusb_device **devices;
+	libusb_device_handle *handle;
+	struct libusb_config_descriptor *config_desc;
+	struct libusb_endpoint_descriptor endpoint_desc_list[ENDPOINTS_NUMBER];
+
+	// start
+	start(&context, &devices, &handle, &config_desc, endpoint_desc_list);
+
+	// singals
+	struct sigaction action;
+	action.sa_handler = signalINT;
+	sigaction(SIGINT, &action, NULL);
+    
+    // nInvaders
+    weite = 0;
+    score = 0;
 	lives = 3;
 	level = 0;
 	skill_level = 1;
@@ -344,8 +380,11 @@ int main(int argc, char **argv)
 	// read keyboard input
 	do {
 		// do movements and key-checking
-		readInput();
-	} while (0 == 0);
+		readInput(handler, endpoint_desc_list);
+	} while (go);
+
+	// stop
+	stop(config_desc, handle, devices, context);
 	return 0;
 }