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update cdc_msc/cdc_msc_freertos to also support notification

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This commit is contained in:
hathach
2025-07-03 14:28:19 +07:00
parent 41606a533d
commit 0df3bfb81d
7 changed files with 42 additions and 30 deletions
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11
examples/device/cdc_dual_ports/src/usb_descriptors.c
View File

@@ -42,8 +42,7 @@
//--------------------------------------------------------------------+
// Device Descriptors
//--------------------------------------------------------------------+
tusb_desc_device_t const desc_device =
{
tusb_desc_device_t const desc_device = {
.bLength = sizeof(tusb_desc_device_t),
.bDescriptorType = TUSB_DESC_DEVICE,
.bcdUSB = USB_BCD,
@@ -68,16 +67,14 @@ tusb_desc_device_t const desc_device =
// Invoked when received GET DEVICE DESCRIPTOR
// Application return pointer to descriptor
uint8_t const * tud_descriptor_device_cb(void)
{
uint8_t const *tud_descriptor_device_cb(void) {
return (uint8_t const *) &desc_device;
}
//--------------------------------------------------------------------+
// Configuration Descriptor
//--------------------------------------------------------------------+
enum
{
enum {
ITF_NUM_CDC_0 = 0,
ITF_NUM_CDC_0_DATA,
ITF_NUM_CDC_1,
@@ -193,7 +190,7 @@ uint8_t const *tud_descriptor_other_speed_configuration_cb(uint8_t index) {
// 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
(void) index; // for multiple configurations
#if TUD_OPT_HIGH_SPEED
// Although we are highspeed, host may be fullspeed.

10
examples/device/cdc_msc/src/main.c
View File

@@ -119,6 +119,16 @@ void cdc_task(void) {
tud_cdc_write(buf, count);
tud_cdc_write_flush();
}
// Press on-board button to send Uart status notification
static uint32_t btn_prev = 0;
static cdc_notify_uart_state_t uart_state = { .value = 0 };
const uint32_t btn = board_button_read();
if (!btn_prev && btn) {
uart_state.dsr ^= 1;
tud_cdc_notify_uart_state(&uart_state);
}
btn_prev = btn;
}
}

4
examples/device/cdc_msc/src/tusb_config.h
View File

@@ -87,7 +87,7 @@
//--------------------------------------------------------------------
#ifndef CFG_TUD_ENDPOINT0_SIZE
#define CFG_TUD_ENDPOINT0_SIZE 64
#define CFG_TUD_ENDPOINT0_SIZE 64
#endif
//------------- CLASS -------------//
@@ -97,6 +97,8 @@
#define CFG_TUD_MIDI 0
#define CFG_TUD_VENDOR 0
#define CFG_TUD_CDC_NOTIFY 1 // Enable use of notification endpoint
// CDC FIFO size of TX and RX
#define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64)
#define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64)

11
examples/device/cdc_msc/src/usb_descriptors.c
View File

@@ -52,7 +52,6 @@ tusb_desc_device_t const desc_device = {
.bDeviceClass = TUSB_CLASS_MISC,
.bDeviceSubClass = MISC_SUBCLASS_COMMON,
.bDeviceProtocol = MISC_PROTOCOL_IAD,
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
.idVendor = USB_VID,
@@ -131,7 +130,7 @@ uint8_t const desc_fs_configuration[] = {
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
// Interface number, string index, EP notification address and size, EP data address (out, in) and size.
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8, EPNUM_CDC_OUT, EPNUM_CDC_IN, 64),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 16, EPNUM_CDC_OUT, EPNUM_CDC_IN, 64),
// Interface number, string index, EP Out & EP In address, EP size
TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC_OUT, EPNUM_MSC_IN, 64),
@@ -146,7 +145,7 @@ uint8_t const desc_hs_configuration[] = {
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
// Interface number, string index, EP notification address and size, EP data address (out, in) and size.
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8, EPNUM_CDC_OUT, EPNUM_CDC_IN, 512),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 16, EPNUM_CDC_OUT, EPNUM_CDC_IN, 512),
// Interface number, string index, EP Out & EP In address, EP size
TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC_OUT, EPNUM_MSC_IN, 512),
@@ -197,7 +196,6 @@ uint8_t const *tud_descriptor_other_speed_configuration_cb(uint8_t index) {
#endif // highspeed
// Invoked when received GET CONFIGURATION DESCRIPTOR
// Application return pointer to descriptor
// Descriptor contents must exist long enough for transfer to complete
@@ -256,14 +254,14 @@ uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
// 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
if ( !(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0])) ) return NULL;
if ( !(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0])) ) { return NULL; }
const char *str = string_desc_arr[index];
// 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;
if ( chr_count > max_count ) { chr_count = max_count; }
// Convert ASCII string into UTF-16
for ( size_t i = 0; i < chr_count; i++ ) {
@@ -274,6 +272,5 @@ uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
// first byte is length (including header), second byte is string type
_desc_str[0] = (uint16_t) ((TUSB_DESC_STRING << 8) | (2 * chr_count + 2));
return _desc_str;
}

10
examples/device/cdc_msc_freertos/src/main.c
View File

@@ -189,6 +189,16 @@ void cdc_task(void *params) {
}
tud_cdc_write_flush();
// Press on-board button to send Uart status notification
static uint32_t btn_prev = 0;
static cdc_notify_uart_state_t uart_state = { .value = 0 };
const uint32_t btn = board_button_read();
if (!btn_prev && btn) {
uart_state.dsr ^= 1;
tud_cdc_notify_uart_state(&uart_state);
}
btn_prev = btn;
}
// For ESP32-Sx this delay is essential to allow idle how to run and reset watchdog

2
examples/device/cdc_msc_freertos/src/tusb_config.h
View File

@@ -104,6 +104,8 @@
#define CFG_TUD_MIDI 0
#define CFG_TUD_VENDOR 0
#define CFG_TUD_CDC_NOTIFY 1 // Enable use of notification endpoint
// CDC FIFO size of TX and RX
#define CFG_TUD_CDC_RX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64)
#define CFG_TUD_CDC_TX_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64)

24
examples/device/cdc_msc_freertos/src/usb_descriptors.c
View File

@@ -52,7 +52,6 @@ tusb_desc_device_t const desc_device = {
.bDeviceClass = TUSB_CLASS_MISC,
.bDeviceSubClass = MISC_SUBCLASS_COMMON,
.bDeviceProtocol = MISC_PROTOCOL_IAD,
.bMaxPacketSize0 = CFG_TUD_ENDPOINT0_SIZE,
.idVendor = USB_VID,
@@ -131,7 +130,7 @@ uint8_t const desc_fs_configuration[] =
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
// Interface number, string index, EP notification address and size, EP data address (out, in) and size.
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8, EPNUM_CDC_OUT, EPNUM_CDC_IN, 64),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 16, EPNUM_CDC_OUT, EPNUM_CDC_IN, 64),
// Interface number, string index, EP Out & EP In address, EP size
TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC_OUT, EPNUM_MSC_IN, 64),
@@ -147,7 +146,7 @@ uint8_t const desc_hs_configuration[] =
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
// Interface number, string index, EP notification address and size, EP data address (out, in) and size.
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 8, EPNUM_CDC_OUT, EPNUM_CDC_IN, 512),
TUD_CDC_DESCRIPTOR(ITF_NUM_CDC, 4, EPNUM_CDC_NOTIF, 16, EPNUM_CDC_OUT, EPNUM_CDC_IN, 512),
// Interface number, string index, EP Out & EP In address, EP size
TUD_MSC_DESCRIPTOR(ITF_NUM_MSC, 5, EPNUM_MSC_OUT, EPNUM_MSC_IN, 512),
@@ -176,16 +175,14 @@ tusb_desc_device_qualifier_t const desc_device_qualifier =
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete.
// device_qualifier descriptor describes information about a high-speed capable device that would
// change if the device were operating at the other speed. If not highspeed capable stall this request.
uint8_t const* tud_descriptor_device_qualifier_cb(void)
{
uint8_t const* tud_descriptor_device_qualifier_cb(void) {
return (uint8_t const*) &desc_device_qualifier;
}
// Invoked when received GET OTHER SEED CONFIGURATION DESCRIPTOR request
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
// Configuration descriptor in the other speed e.g if high speed then this is for full speed and vice versa
uint8_t const* tud_descriptor_other_speed_configuration_cb(uint8_t index)
{
uint8_t const* tud_descriptor_other_speed_configuration_cb(uint8_t index) {
(void) index; // for multiple configurations
// if link speed is high return fullspeed config, and vice versa
@@ -204,13 +201,12 @@ uint8_t const* tud_descriptor_other_speed_configuration_cb(uint8_t index)
// 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)
{
uint8_t const * tud_descriptor_configuration_cb(uint8_t index) {
(void) index; // for multiple configurations
#if TUD_OPT_HIGH_SPEED
// Although we are highspeed, host may be fullspeed.
return (tud_speed_get() == TUSB_SPEED_HIGH) ? desc_hs_configuration : desc_fs_configuration;
return (tud_speed_get() == TUSB_SPEED_HIGH) ? desc_hs_configuration : desc_fs_configuration;
#else
return desc_fs_configuration;
#endif
@@ -229,8 +225,7 @@ enum {
};
// array of pointer to string descriptors
char const *string_desc_arr[] =
{
char const *string_desc_arr[] = {
(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
"TinyUSB", // 1: Manufacturer
"TinyUSB Device", // 2: Product
@@ -261,14 +256,14 @@ uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
// 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
if ( !(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0])) ) return NULL;
if ( !(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0])) ) { return NULL; }
const char *str = string_desc_arr[index];
// 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;
if ( chr_count > max_count ) { chr_count = max_count; }
// Convert ASCII string into UTF-16
for ( size_t i = 0; i < chr_count; i++ ) {
@@ -279,6 +274,5 @@ uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
// first byte is length (including header), second byte is string type
_desc_str[0] = (uint16_t) ((TUSB_DESC_STRING << 8) | (2 * chr_count + 2));
return _desc_str;
}