37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
#include STM32_HAL_H
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#include "usbd_core.h"
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#include "usbd_desc.h"
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#include "usbd_cdc_msc_hid.h"
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#include "usbd_cdc_interface.h"
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#include "usbd_hid_interface.h"
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USBD_HandleTypeDef hUSBDDevice;
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void __fatal_error(const char *msg);
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void usb_init(void) {
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const uint16_t vid = 0x1209;
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const uint16_t pid = 0x53C1;
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USBD_HID_ModeInfoTypeDef hid_info = {
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.subclass = 0,
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.protocol = 0,
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.max_packet_len = 64,
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.polling_interval = 1,
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.report_desc = (const uint8_t*)"\x06\x00\xff\x09\x01\xa1\x01\x09\x20\x15\x00\x26\xff\x00\x75\x08\x95\x40\x81\x02\x09\x21\x15\x00\x26\xff\x00\x75\x08\x95\x40\x91\x02\xc0",
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.report_desc_len = 34,
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};
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USBD_SetVIDPIDRelease(vid, pid, 0x0200, 0);
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if (USBD_SelectMode(USBD_MODE_CDC_HID, &hid_info) != 0) {
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__fatal_error("USB init failed");
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return;
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}
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USBD_Init(&hUSBDDevice, (USBD_DescriptorsTypeDef*)&USBD_Descriptors, 0); // 0 == full speed
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USBD_RegisterClass(&hUSBDDevice, &USBD_CDC_MSC_HID);
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USBD_CDC_RegisterInterface(&hUSBDDevice, (USBD_CDC_ItfTypeDef*)&USBD_CDC_fops);
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USBD_HID_RegisterInterface(&hUSBDDevice, (USBD_HID_ItfTypeDef*)&USBD_HID_fops);
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USBD_Start(&hUSBDDevice);
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}
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