kenji/pico_ble_hid
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add toggle button for USB and improve BLE polling rate

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kenji
2025-10-18 22:38:23 -04:00
parent a1a0723e89
commit cb7421eab7
14 changed files with 323 additions and 121 deletions
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usb_descriptors.c
+65 -62
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@@ -1,37 +1,16 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
* sekigon-gonnoc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#include "tusb.h"
#include "bsp/board_api.h"
#include "hid_report.h"
#include "usb_device.h"
#include "usb_descriptors.h"
//--------------------------------------------------------------------+
// Device Descriptors
//--------------------------------------------------------------------+
// reserve space for HID descriptor
static uint8_t desc_configuration[DESC_CFG_MAX];
static uint16_t _desc_str[32+1];
// USB device descriptor
tusb_desc_device_t const desc_device =
{
.bLength = sizeof(tusb_desc_device_t),
@@ -57,6 +36,17 @@ tusb_desc_device_t const desc_device =
.bNumConfigurations = 0x01
};
// string labels for device
char const* string_desc_arr [] =
{
(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
"Raspberry Pi", // 1: Manufacturer
"Pico BLE HID", // 2: Product
NULL, // 3: Serials, should use chip ID
"Pico BLE HID CDC", // 4: CDC
"Pico USB HID", // 5: USB HID Device
};
// Invoked when received GET DEVICE DESCRIPTOR
// Application return pointer to descriptor
uint8_t const * tud_descriptor_device_cb(void)
@@ -64,47 +54,46 @@ uint8_t const * tud_descriptor_device_cb(void)
return (uint8_t const *) &desc_device;
}
//--------------------------------------------------------------------+
// Configuration Descriptor
//--------------------------------------------------------------------+
// full speed configuration
uint8_t const desc_fs_configuration[] =
{
// Config number, interface count, string index, total length, attribute, power in mA
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
// Interface number, string index, protocol, report descriptor len, EP In address, size & polling interval
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8, EPNUM_CDC_OUT, EPNUM_CDC_IN, 64),
};
// Invoked when received GET CONFIGURATION DESCRIPTOR
// Application return pointer to descriptor
// Descriptor contents must exist long enough for transfer to complete
uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
{
(void) index; // for multiple configurations
return desc_fs_configuration;
// set configuration descriptor and CDC descriptor
memset(desc_configuration, 0, sizeof(desc_configuration));
if ( device_state == DEVICE_ACTIVE ) {
uint8_t desc_initial[TUD_CONFIG_DESC_LEN+TUD_CDC_DESC_LEN+1] = {
TUD_CONFIG_DESCRIPTOR(1, 4+num_mounted, 0, TUD_CONFIG_DESC_LEN+TUD_CDC_DESC_LEN+num_mounted*TUD_HID_DESC_LEN, 0x00, 100),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8, EPNUM_CDC_OUT, EPNUM_CDC_IN, 64),
};
memcpy(desc_configuration, desc_initial, TUD_CONFIG_DESC_LEN+TUD_CDC_DESC_LEN);
} else {
uint8_t desc_initial[TUD_CONFIG_DESC_LEN+TUD_CDC_DESC_LEN+1] = {
TUD_CONFIG_DESCRIPTOR(1, 4, 0, TUD_CONFIG_DESC_LEN+TUD_CDC_DESC_LEN, 0x00, 100),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8, EPNUM_CDC_OUT, EPNUM_CDC_IN, 64),
};
memcpy(desc_configuration, desc_initial, TUD_CONFIG_DESC_LEN+TUD_CDC_DESC_LEN);
}
// add a HID descriptor for each interface mounted on host
if ( device_state == DEVICE_ACTIVE ) {
struct report_desc * descriptor;
for (uint8_t i=0; i<num_mounted;i++) {
descriptor = get_report_desc(i);
if ( descriptor != NULL ) {
uint8_t hid_desc[TUD_HID_DESC_LEN+1] = {
TUD_HID_DESCRIPTOR(ITF_NUM_HID+i, 5, HID_ITF_PROTOCOL_NONE, descriptor->desc_len, EPNUM_HID+i, CFG_TUD_HID_EP_BUFSIZE, 1)
};
memcpy(&desc_configuration[TUD_CONFIG_DESC_LEN+TUD_CDC_DESC_LEN+i*TUD_HID_DESC_LEN], hid_desc, TUD_HID_DESC_LEN);
}
}
}
return desc_configuration;
}
//--------------------------------------------------------------------+
// String Descriptors
//--------------------------------------------------------------------+
// array of pointer to string descriptors
char const* string_desc_arr [] =
{
(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
"Raspberry Pi", // 1: Manufacturer
"Pico BLE HID", // 2: Product
NULL, // 3: Serials, should use chip ID
"Pico BLE HID CDC", // 4: Product
};
static uint16_t _desc_str[32+1];
// Invoked when received GET STRING DESCRIPTOR request
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid)
@@ -145,3 +134,17 @@ uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid)
return _desc_str;
}
// Invoked when received GET HID REPORT DESCRIPTOR
// Application return pointer to descriptor
// Descriptor contents must exist long enough for transfer to complete
uint8_t const * tud_hid_descriptor_report_cb(uint8_t itf)
{
// find HID report descriptor for indicated interface on the host and forward to device
struct report_desc * descriptor = get_report_desc(itf);
if ( descriptor != NULL ) {
return descriptor->descriptor;
}
return NULL;
}