From 31093b73b1f56db3382d3a58fdd6e8c0e49781e6 Mon Sep 17 00:00:00 2001
From: henyxia <henyxia@live.fr>
Date: Thu, 23 Apr 2015 14:28:24 +0200
Subject: [PATCH] Home screen finally displayed

---
 .gitignore   |  4 ++++
 img/home.bmp | Bin 230522 -> 0 bytes
 img/home.xcf | Bin 144875 -> 0 bytes
 main.c       | 12 ++++++------
 usb.c        | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 usb.h        |  1 +
 6 files changed, 85 insertions(+), 7 deletions(-)

diff --git a/.gitignore b/.gitignore
index 9fc43b0..822cbe7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,7 @@
 tweekd
 *.log
 *.csv
+*.rgb
+*.bmpr
+*.map
+*.boz
diff --git a/img/home.bmp b/img/home.bmp
index 256f477..0c1bf54 100644
Binary files a/img/home.bmp and b/img/home.bmp differ
diff --git a/img/home.xcf b/img/home.xcf
index 94dcd1f..97c6edc 100644
Binary files a/img/home.xcf and b/img/home.xcf differ
diff --git a/main.c b/main.c
index ca77e3b..a80ed68 100644
--- a/main.c
+++ b/main.c
@@ -12,9 +12,9 @@ int main(void)
 {
 	int ret;
 	pthread_t tUI;
-	pthread_t tNFC;
+	//pthread_t tNFC;
 	pthread_t tBUS;
-	pthread_t tHVC;
+	//pthread_t tHVC;
 	initUILog();
 	if(!initLog())
 	{
@@ -25,25 +25,25 @@ int main(void)
 	printx(DEBUG, MAIN, "Creating processes\n");
 	ret = pthread_create(&tUI, NULL, drawUI, NULL);
 	printx(DEBUG, MAIN, "UI Started ID %08x ret %d\n", tUI, ret);
-	printx(INFO, MAIN, "Initializing NFC\n");
+	printx(INFO, MAIN, "Initializing NFC\n");/*
 	if(!initNFC())
 	{
 		printx(ERROR, MAIN, "Unable to start the NFC interface\n");
 		return 2;
 	}
-	pthread_create(&tNFC, NULL, processNFC, NULL);
+	pthread_create(&tNFC, NULL, processNFC, NULL);*/
 	if(!initBus())
 	{
 		printx(ERROR, MAIN, "Unable to start the BUS interface\n");
 		return 3;
 	}
-	pthread_create(&tBUS, NULL, processBus, NULL);
+	pthread_create(&tBUS, NULL, processBus, NULL);/*
 	if(!initHVC())
 	{
 		printx(ERROR, MAIN, "Unable to start the HVC interface\n");
 		return 4;
 	}
-	pthread_create(&tHVC, NULL, processHVC, NULL);
+	pthread_create(&tHVC, NULL, processHVC, NULL);*/
 	//initProcessHeat();
 
 	pthread_join(tUI, NULL);
diff --git a/usb.c b/usb.c
index 2a98871..aeff742 100644
--- a/usb.c
+++ b/usb.c
@@ -8,8 +8,79 @@
 #define PRODUCT_ID		0xa001
 #define ENDPOINT_OUT	0x01
 #define	MAX_SIZE_OUT	64
+#define HEIGHT			240
+#define WIDTH			320
 
-libusb_device_handle* screenHandle;
+libusb_device_handle*	screenHandle;
+unsigned char			data[MAX_SIZE_OUT];
+unsigned short			dataPointer = 0;
+
+void fillDataWithHeader(void)
+{
+	data[dataPointer] = 0x82; // HEADER
+	dataPointer++;
+	data[dataPointer] = 0x00; // XPOS
+	dataPointer++;
+	data[dataPointer] = 0x00; // XPOS
+	dataPointer++;
+	data[dataPointer] = 0x00; // YPOS
+	dataPointer++;
+	data[dataPointer] = 0x00; // YPOS
+	dataPointer++;
+	data[dataPointer] = 0x40; // Width 0x40
+	dataPointer++;
+	data[dataPointer] = 0x01; // Width 0x01
+	dataPointer++;
+	data[dataPointer] = 0xF0; // Height 
+	dataPointer++;
+	data[dataPointer] = 0x00; // Height
+	dataPointer++;
+	data[dataPointer] = 0x00; // Copy
+	dataPointer++;
+}
+
+void fillDataWithSubHeader(void)
+{
+	data[dataPointer] = 0x02; // HEADER
+	dataPointer++;
+}
+
+void sendUSBData(int i)
+{
+	printf("Sending data %d\n", i);
+	int transfered;
+	libusb_bulk_transfer(screenHandle, ENDPOINT_OUT, data, dataPointer, &transfered, 0);
+	dataPointer = 0;
+	fillDataWithSubHeader();
+}
+
+void displayPicture(char* filename)
+{
+	FILE* file = NULL;
+	file = fopen(filename, "r");
+
+	if(file == NULL)
+	{
+		printf("Unable to open the picture\n");
+		return;
+	}
+	else
+		printf("Picture successfully opened\n");
+
+	fillDataWithHeader();
+	for(int i=0; i<HEIGHT*WIDTH*2; i++)
+	{
+		if(feof(file))
+		{
+			printf("File corrupted\n");
+			return;
+		}
+		data[dataPointer] = getc(file);
+		dataPointer++;
+		if(dataPointer == MAX_SIZE_OUT)
+			sendUSBData(i);
+	}
+}
 
 bool initUSB(void)
 {
@@ -95,6 +166,8 @@ bool initUSB(void)
 	
 	libusb_free_config_descriptor(dConfig);
 
+	displayPicture("home.rgb");
+
 	return true;
 }
 
diff --git a/usb.h b/usb.h
index 20e60fa..4a4d52a 100644
--- a/usb.h
+++ b/usb.h
@@ -2,5 +2,6 @@
 #define __USB_H__
 
 bool initUSB();
+void displayPicture(char*);
 
 #endif
--
libgit2 0.21.2