77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "pico/stdlib.h"
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#include "tusb.h"
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#include "usb_descriptors.h"
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#include "usb_device.h"
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char cdc_buf[64];
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uint16_t cdc_len;
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size_t cdc_count;
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device_state_t device_state;
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void usb_device_init(void) {
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// run TinyUSB device
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tusb_rhport_init_t dev_init = {
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.role = TUSB_ROLE_DEVICE,
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.speed = TUSB_SPEED_AUTO,
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};
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tusb_init(BOARD_TUH_RHPORT, &dev_init);
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}
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// Invoked when received SET_REPORT control request or
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// received data on OUT endpoint ( Report ID = 0, Type = 0 )
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void tud_hid_set_report_cb(uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize) {
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(void) instance;
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(void) report_id;
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(void) report_type;
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(void) buffer;
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(void) bufsize;
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}
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// Invoked when received GET_REPORT control request
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// Application must fill buffer report's content and return its length.
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// Return zero will cause the stack to STALL request
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uint16_t tud_hid_get_report_cb(uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen)
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{
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(void) instance;
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(void) report_id;
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(void) report_type;
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(void) buffer;
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(void) reqlen;
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return 0;
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}
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bool forward_report(uint8_t instance, uint8_t const* report, uint16_t len) {
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return tud_hid_n_report(instance, 0, report, len);
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}
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// print message to CDC in raw hex
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void cdc_print_hex(uint8_t const* msg, uint16_t msg_len) {
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(void) msg;
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(void) msg_len;
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for (int i=0; i<msg_len; i++) {
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cdc_count=sprintf(cdc_buf, "%02X ", msg[i]);
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tud_cdc_write(cdc_buf, cdc_count);
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}
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tud_cdc_write_str("\n");
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}
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// print text message to CDC
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void cdc_print_str(char const* msg, uint16_t msg_len) {
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(void) msg;
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(void) msg_len;
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tud_cdc_write(msg, msg_len);
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}
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void cdc_print_msg(char const* msg) {
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cdc_len = strlen(msg);
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cdc_print_str(msg, cdc_len);
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}
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