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Kang-min Wang committed 1f803d2

add base file

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Files changed (2)

+#!/usr/bin/make
+LDFLAGS=-lusb -lm
+CC=gcc
+all: dnw2
+
+clean:
+	-rm -f *.o dnw2
+
+dnw2: dnw2.o
+	$(CC) $(LDFLAGS) -o $@ $<
+
+.PHONEY: all clean
+/* dnw2 linux main file. This depends on libusb.
+*
+* Author:         Fox <hulifox008@163.com>
+* License:        GPL
+*
+*/
+
+
+
+#include <stdio.h>
+#include <usb.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#define                 QQ2440_SECBULK_IDVENDOR                0x5345
+#define                QQ2440_SECBULK_IDPRODUCT        0x1234
+
+
+struct usb_dev_handle * open_port()
+{
+        struct usb_bus *busses, *bus;
+
+        usb_init();
+        usb_find_busses();
+        usb_find_devices();
+
+        busses = usb_get_busses();
+        for(bus=busses;bus;bus=bus->next)
+        {
+                 struct usb_device *dev;
+                for(dev=bus->devices;dev;dev=dev->next)
+                {
+                printf("idVendor:0x%x\t,ipProduct:0x%x\n",dev->descriptor.idVendor,dev->descriptor.idProduct);
+                        if( QQ2440_SECBULK_IDVENDOR==dev->descriptor.idVendor
+                        &&  QQ2440_SECBULK_IDPRODUCT==dev->descriptor.idProduct)
+                        {
+                                printf("Target usb device found!\n");
+                                struct usb_dev_handle *hdev = usb_open(dev);
+                                if(!hdev)
+                                {
+                                        perror("Cannot open device");        
+                                }
+                                else
+                                {
+                                        if(0!=usb_claim_interface(hdev, 0))
+                                        {
+                                                perror("Cannot claim interface");
+                                                usb_close(hdev);
+                                                hdev = NULL;
+                                        }
+                                }
+                                return hdev;
+                        }
+                }
+        }
+        
+        printf("Target usb device not found!\n");
+
+        return NULL;
+}
+
+void usage()
+{
+        printf("Usage: dnw2 <file>\n\n");
+}
+
+unsigned char* prepare_write_buf(char *filename, unsigned int *len)
+{
+        unsigned char *write_buf = NULL;
+        struct stat fs;
+
+        int fd = open(filename, O_RDONLY);
+        if(-1==fd)
+        {
+                perror("Cannot open file");
+                return NULL;
+        }
+        if(-1==fstat(fd, &fs))
+        {
+                perror("Cannot get file size");
+                goto error;
+        }
+        write_buf = (unsigned char*)malloc(fs.st_size+10);
+        if(NULL==write_buf)
+        {
+                perror("malloc failed");
+                goto error;
+        }
+
+        if(fs.st_size != read(fd, write_buf+8, fs.st_size))
+        {
+                perror("Reading file failed");
+                goto error;
+        }
+
+        printf("Filename : %s\n", filename);
+        printf("Filesize : %lu bytes\n", fs.st_size);
+
+        *((u_int32_t*)write_buf) = 0x30000000;                //download address
+        *((u_int32_t*)write_buf+1) = fs.st_size + 10;        //download size;
+
+        *len = fs.st_size + 10;
+        return write_buf;
+
+error:
+        if(fd!=-1) close(fd);
+        if(NULL!=write_buf) free(write_buf);
+        fs.st_size = 0;
+        return NULL;
+        
+}
+
+int main(int argc, char *argv[])
+{
+        if(2!=argc)
+        {
+                usage();
+                return 1;
+        }
+
+        struct usb_dev_handle *hdev = open_port();
+        if(!hdev)
+        {
+                return 1;
+        }
+
+        unsigned int len = 0;
+        unsigned char* write_buf = prepare_write_buf(argv[1], &len);
+        if(NULL==write_buf) return 1;
+
+        unsigned int remain = len;
+        unsigned int towrite;
+        printf("Writing data ...\n");
+        while(remain)
+        {
+                towrite = remain>512 ? 512 : remain;
+                if(towrite != usb_bulk_write(hdev, 0x03, write_buf+(len-remain), towrite, 3000))
+                {
+                        perror("usb_bulk_write failed");
+                        break;
+                }
+                remain-=towrite;
+                printf("\r%d%%\t %d bytes     ", (len-remain)*100/len, len-remain);
+                fflush(stdout);
+        }
+        if(0==remain) printf("Done!\n");
+        return 0;
+}