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USB-HID
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update.

master
ray 2024-04-18 07:04:09 +00:00
parent 940afad713
commit 9e9d47ce80
1 changed files with 16 additions and 13 deletions
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29
usb_read_data.cpp
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@ -60,7 +60,7 @@ int main()
} }
// 打印usb设备信息 // 打印usb设备信息
// print_devs(devs); // print_devs(devs);
dev_handle = libusb_open_device_with_vid_pid(NULL, 0x2833, 0x0002); dev_handle = libusb_open_device_with_vid_pid(NULL, 0x0483, 0x5750);
if (dev_handle == NULL) if (dev_handle == NULL)
{ {
printf("Cannot open device\n"); printf("Cannot open device\n");
@ -94,20 +94,23 @@ int main()
while (1) while (1)
{ {
r = libusb_bulk_transfer(dev_handle, (0x01 | LIBUSB_ENDPOINT_IN), data, 64, &transferred, 1000); r = libusb_interrupt_transfer(dev_handle, (0x01 | LIBUSB_ENDPOINT_IN), data, 64, &transferred, 1000);
if (r == 0 && actual == 64) // we read the 64 bytes successfully if (r == 0 && actual == 127){
printf("Read Successful\n"); // 解析GeekIMU的磁力计信息
else int16_t mx = *(int16_t *)(data + 3);
int16_t my = *(int16_t *)(data + 5);
int16_t mz = *(int16_t *)(data + 7);
printf("mag:%d,%d,%d\n", mx, my, mz);
}else{
printf("Read Error\n"); printf("Read Error\n");
printf("%i,%i\n", r, actual); }
//printf("%i,%i\n", r, actual);
// 解析GeekIMU的磁力计信息
int16_t mx = *(int16_t *)(data + 56);
int16_t my = *(int16_t *)(data + 58);
int16_t mz = *(int16_t *)(data + 60);
printf("mag:%d,%d,%d\n", mx, my, mz);
// 睡眠延时100ms // 睡眠延时100ms
usleep(1000 * 100); usleep(1000 * 10);
// 清屏 // 清屏
// printf("%s","\033[1H\033[2J");//clear display // printf("%s","\033[1H\033[2J");//clear display
} }
@ -125,4 +128,4 @@ int main()
libusb_exit(NULL); libusb_exit(NULL);
return 0; return 0;
} }