dnw for linux: Ubuntu下可用,无需编译驱动,mini2440可用
我上次找到的一个dnw需要编译驱动,然后用insmod
命令加入内核。不过这个完全没有这么复杂!编译和使用也非常方便!速度也不错!
该文件需要libusb库,没有该库需要先安装:
$ sudo apt-get install libusb-dev
下面给出源代码:点击下载
/* 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 : %d 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; }
编译说明:
$ make dnw.c -o dnw -lusb
代码学习笔记将于近期贴上,敬请恭候!
References:
[1] Z-live – dnw for linux(ubuntu)绝对能用的
[2] linux.chinaunix.net – [开发环境] LINUX下的DNW程序下载
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