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audio_test_freertos : merge changes from audio_test.

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HiFiPhile
2024-04-27 22:17:10 +02:00
parent 7dd26877de
commit bb89a5a5bf
3 changed files with 82 additions and 56 deletions
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78
examples/device/audio_test_freertos/src/usb_descriptors.c
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@@ -23,6 +23,7 @@
*
*/
#include "bsp/board_api.h"
#include "tusb.h"
/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
@@ -44,7 +45,7 @@ tusb_desc_device_t const desc_device =
.bDescriptorType = TUSB_DESC_DEVICE,
.bcdUSB = 0x0200,
// Use Interface Association Descriptor (IAD) for CDC
// Use Interface Association Descriptor (IAD) for Audio
// As required by USB Specs IAD's subclass must be common class (2) and protocol must be IAD (1)
.bDeviceClass = TUSB_CLASS_MISC,
.bDeviceSubClass = MISC_SUBCLASS_COMMON,
@@ -96,11 +97,11 @@ enum
uint8_t const desc_configuration[] =
{
// Interface count, string index, total length, attribute, power in mA
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
// 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, EP Out & EP In address, EP size
TUD_AUDIO_MIC_ONE_CH_DESCRIPTOR(/*_itfnum*/ ITF_NUM_AUDIO_CONTROL, /*_stridx*/ 0, /*_nBytesPerSample*/ CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX, /*_nBitsUsedPerSample*/ CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX*8, /*_epin*/ 0x80 | EPNUM_AUDIO, /*_epsize*/ CFG_TUD_AUDIO_EP_SZ_IN)
// Interface number, string index, EP Out & EP In address, EP size
TUD_AUDIO_MIC_ONE_CH_DESCRIPTOR(/*_itfnum*/ ITF_NUM_AUDIO_CONTROL, /*_stridx*/ 0, /*_nBytesPerSample*/ CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX, /*_nBitsUsedPerSample*/ CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX*8, /*_epin*/ 0x80 | EPNUM_AUDIO, /*_epsize*/ CFG_TUD_AUDIO_EP_SZ_IN)
};
// Invoked when received GET CONFIGURATION DESCRIPTOR
@@ -116,50 +117,65 @@ uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
// String Descriptors
//--------------------------------------------------------------------+
// String Descriptor Index
enum {
STRID_LANGID = 0,
STRID_MANUFACTURER,
STRID_PRODUCT,
STRID_SERIAL,
};
// array of pointer to string descriptors
char const* string_desc_arr [] =
{
(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
"PaniRCorp", // 1: Manufacturer
"MicNode", // 2: Product
"123456", // 3: Serials, should use chip ID
"UAC2", // 4: Audio Interface
(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
"PaniRCorp", // 1: Manufacturer
"MicNode", // 2: Product
NULL, // 3: Serials will use unique ID if possible
"UAC2", // 4: Audio Interface
};
static uint16_t _desc_str[32];
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)
{
uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
(void) langid;
size_t chr_count;
uint8_t chr_count;
switch ( index ) {
case STRID_LANGID:
memcpy(&_desc_str[1], string_desc_arr[0], 2);
chr_count = 1;
break;
if ( index == 0)
{
memcpy(&_desc_str[1], string_desc_arr[0], 2);
chr_count = 1;
}else
{
// Convert ASCII string into UTF-16
case STRID_SERIAL:
chr_count = board_usb_get_serial(_desc_str + 1, 32);
break;
if ( !(index < sizeof(string_desc_arr)/sizeof(string_desc_arr[0])) ) return NULL;
default:
// Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors.
// https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors
const char* str = string_desc_arr[index];
if ( !(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0])) ) return NULL;
// Cap at max char
chr_count = strlen(str);
if ( chr_count > 31 ) chr_count = 31;
const char *str = string_desc_arr[index];
for(uint8_t i=0; i<chr_count; i++)
{
_desc_str[1+i] = str[i];
}
// Cap at max char
chr_count = strlen(str);
size_t const max_count = sizeof(_desc_str) / sizeof(_desc_str[0]) - 1; // -1 for string type
if ( chr_count > max_count ) chr_count = max_count;
// Convert ASCII string into UTF-16
for ( size_t i = 0; i < chr_count; i++ ) {
_desc_str[1 + i] = str[i];
}
break;
}
// first byte is length (including header), second byte is string type
_desc_str[0] = (TUSB_DESC_STRING << 8 ) | (2*chr_count + 2);
_desc_str[0] = (uint16_t) ((TUSB_DESC_STRING << 8) | (2 * chr_count + 2));
return _desc_str;
}