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shima-529/tinyusb_hid_plus1.c Secret

Created Feb 14, 2021
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#include <stdio.h>
#include "pico/stdlib.h"
#include "tusb.h"
#include "class/hid/hid_device.h"
#include "bsp/board.h"
const uint8_t device_desc[] = { // {{{
18, // bLength
1, // bDescriptorType
0x10,
0x01, // bcdUSB
0x00, // bDeviceClass
0x00, // bDeviceSubClass
0x00, // bDeviceProtocol
CFG_TUD_ENDPOINT0_SIZE, // bMaxPacketSize0
0xfe,
0xca, // idVendor
0xcd,
0xab, // idProduct,
0x00,
0x00, // bcdDevice
0x00, // iManufacturer
0x01, // iProduct
0x00, // iSerialNumber
0x01, // bNumConfigurations
}; // }}}
const uint8_t hid_report_desc[] = {
TUD_HID_REPORT_DESC_GENERIC_INOUT(1)
};
const uint8_t conf_desc[] = {
TUD_CONFIG_DESCRIPTOR(1, 1, 0, TUD_CONFIG_DESC_LEN + TUD_HID_INOUT_DESC_LEN, 0, 0x0F),
TUD_HID_INOUT_DESCRIPTOR(1, 0, 0, sizeof(hid_report_desc), 0x01, 0x81, 64, 0x0F)
};
const uint16_t string_desc_lang[] = { // Index: 0
4 | (3 << 8), // bLength & bDescriptorType
0
};
const uint16_t string_desc_product[] = { // Index: 1
16 | (3 << 8),
'R', 'a', 's', 'p', 'i', 'c', 'o'
};
uint8_t const *tud_descriptor_device_cb(void) {
return device_desc;
}
uint8_t const *tud_descriptor_configuration_cb(uint8_t index) {
return conf_desc;
}
uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
uint16_t const *ret = NULL;
switch(index) {
case 0:
ret = string_desc_lang;
break;
case 1:
ret = string_desc_product;
break;
default:
break;
}
return ret;
}
uint8_t const *tud_hid_descriptor_report_cb(void) {
return hid_report_desc;
}
uint16_t tud_hid_get_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen) {
return 0;
}
void tud_hid_set_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize) {
uint8_t buf[] = {
buffer[0] + 1
};
tud_hid_n_report(0, 0, buf, 1);
return;
}
int main() {
board_init();
tusb_init();
while(1) {
tud_task();
}
return 0;
}
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