make host info to devcie cdc to work with freertos/noos

.PVS-Studio/.pvsconfig

@@ -1,10 +1,14 @@
 //V_EXCLUDE_PATH */iar/cxarm*
-//V_EXCLUDE_PATH */pico-sdk/*
+//V_EXCLUDE_PATH */pico-sdk/
+//V_EXCLUDE_PATH */esp-idf/
+//V_EXCLUDE_PATH */hw/bsp/espressif/components/
+//V_EXCLUDE_PATH */hw/mcu/
 
 //-V::2506 MISRA. A function should have a single point of exit at the end.
 //-V::2514 MISRA. Unions should not be used.
 //-V:memcpy:2547 [MISRA-C-17.7] The return value of non-void function 'memcpy' should be used.
 //-V:printf:2547 [MISRA-C-17.7] The return value of non-void function 'printf' should be used.
+//-V::2584::{gintsts} dwc2
 //-V::2600 [MISRA-C-21.6] The function with the 'printf' name should not be used.
 //+V2614 DISABLE_LENGHT_LIMIT_CHECK:YES
 //-V:memcpy:2628 Pointer arguments to the 'memcpy' function should be pointers to qualified or unqualified versions of compatible types.

examples/device/video_capture/src/main.c

@@ -53,7 +53,7 @@ void usb_device_task(void *param);
 void video_task(void* param);
 
 #if CFG_TUSB_OS == OPT_OS_FREERTOS
-void freertos_init_task(void);
+void freertos_init(void);
 #endif
 
 
@@ -65,7 +65,7 @@ int main(void) {
 
   // If using FreeRTOS: create blinky, tinyusb device, video task
 #if CFG_TUSB_OS == OPT_OS_FREERTOS
-  freertos_init_task();
+  freertos_init();
 #else
   // init device stack on configured roothub port
   tusb_rhport_init_t dev_init = {
@@ -211,8 +211,12 @@ static void video_send_frame(void) {
   }
 
   unsigned cur = board_millis();
-  if (cur - start_ms < interval_ms) return; // not enough time
+  if (cur - start_ms < interval_ms) {
-  if (tx_busy) return;
+    return; // not enough time
+  }
+  if (tx_busy) {
+    return;
+  }
   start_ms += interval_ms;
   tx_busy = 1;
 
@@ -273,7 +277,9 @@ void led_blinking_task(void* param) {
     #if CFG_TUSB_OS == OPT_OS_FREERTOS
     vTaskDelay(blink_interval_ms / portTICK_PERIOD_MS);
     #else
-    if (board_millis() - start_ms < blink_interval_ms) return; // not enough time
+    if (board_millis() - start_ms < blink_interval_ms) {
+      return; // not enough time
+    }
     #endif
 
     start_ms += blink_interval_ms;
@@ -336,7 +342,7 @@ void usb_device_task(void *param) {
   }
 }
 
-void freertos_init_task(void) {
+void freertos_init(void) {
   #if configSUPPORT_STATIC_ALLOCATION
   xTaskCreateStatic(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, blinky_stack, &blinky_taskdef);
   xTaskCreateStatic(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_device_stack, &usb_device_taskdef);

examples/device/video_capture_2ch/src/main.c

@@ -53,7 +53,7 @@ void usb_device_task(void *param);
 void video_task(void* param);
 
 #if CFG_TUSB_OS == OPT_OS_FREERTOS
-void freertos_init_task(void);
+void freertos_init(void);
 #endif
 
 
@@ -65,7 +65,7 @@ int main(void) {
 
   // If using FreeRTOS: create blinky, tinyusb device, video task
 #if CFG_TUSB_OS == OPT_OS_FREERTOS
-  freertos_init_task();
+  freertos_init();
 #else
   // init device stack on configured roothub port
   tusb_rhport_init_t dev_init = {
@@ -343,7 +343,7 @@ void usb_device_task(void *param) {
   }
 }
 
-void freertos_init_task(void) {
+void freertos_init(void) {
   #if configSUPPORT_STATIC_ALLOCATION
   xTaskCreateStatic(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, blinky_stack, &blinky_taskdef);
   xTaskCreateStatic(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_device_stack, &usb_device_taskdef);

examples/dual/host_info_to_device_cdc/CMakeLists.txt

@@ -10,6 +10,11 @@ project(${PROJECT} C CXX ASM)
 # Checks this example is valid for the family and initializes the project
 family_initialize_project(${PROJECT} ${CMAKE_CURRENT_LIST_DIR})
 
+# Espressif has its own cmake build system
+if(FAMILY STREQUAL "espressif")
+  return()
+endif()
+
 add_executable(${PROJECT})
 
 # Example source
@@ -25,7 +30,7 @@ target_include_directories(${PROJECT} PUBLIC
 
 # Configure compilation flags and libraries for the example without RTOS.
 # See the corresponding function in hw/bsp/FAMILY/family.cmake for details.
-family_configure_dual_usb_example(${PROJECT} noos)
+family_configure_dual_usb_example(${PROJECT} ${RTOS})
 
 # due to warnings from Pico-PIO-USB
 if (FAMILY STREQUAL rp2040)

examples/dual/host_info_to_device_cdc/only.txt

@@ -8,3 +8,4 @@ mcu:MAX3421
 mcu:STM32F4
 mcu:STM32F7
 mcu:STM32H7
+mcu:ESP32P4

examples/dual/host_info_to_device_cdc/src/CMakeLists.txt

@@ -0,0 +1,4 @@
+# This file is for ESP-IDF only
+idf_component_register(SRCS "main.c" "usb_descriptors.c"
+                    INCLUDE_DIRS "."
+                    REQUIRES boards tinyusb_src)

examples/dual/host_info_to_device_cdc/src/main.c

@@ -75,8 +75,12 @@ static tusb_desc_device_t descriptor_device[CFG_TUH_DEVICE_MAX+1];
 static void print_utf16(uint16_t *temp_buf, size_t buf_len);
 static void print_device_info(uint8_t daddr, const tusb_desc_device_t* desc_device);
 
-void led_blinking_task(void);
+static void led_blinking_task(void);
-void cdc_task(void);
+static void cdc_task(void);
+
+#if CFG_TUSB_OS == OPT_OS_FREERTOS
+static void freertos_init(void);
+#endif
 
 #define cdc_printf(...)                                           \
   do {                                                            \
@@ -94,37 +98,86 @@ void cdc_task(void);
     }                                                             \
   } while(0)
 
-/*------------- MAIN -------------*/
-int main(void) {
-  board_init();
-
-  printf("TinyUSB Host Information -> Device CDC Example\r\n");
 
+static void usb_device_init(void) {
   // init device and host stack on configured roothub port
   tusb_rhport_init_t dev_init = {
     .role = TUSB_ROLE_DEVICE,
     .speed = TUSB_SPEED_AUTO
   };
   tusb_init(BOARD_TUD_RHPORT, &dev_init);
+  board_init_after_tusb();
+}
 
+static void usb_host_init(void) {
+  // init host stack on configured roothub port
   tusb_rhport_init_t host_init = {
     .role = TUSB_ROLE_HOST,
     .speed = TUSB_SPEED_AUTO
   };
   tusb_init(BOARD_TUH_RHPORT, &host_init);
-
   board_init_after_tusb();
+}
+
+//--------------------------------------------------------------------+
+// Main
+//--------------------------------------------------------------------+
+static void main_task(void* param) {
+  (void) param;
 
   while (1) {
-    tud_task(); // tinyusb device task
-    tuh_task(); // tinyusb host task
     cdc_task();
     led_blinking_task();
+
+    // preempted RTOS run device/host stack in its own task
+#if CFG_TUSB_OS == OPT_OS_NONE || CFG_TUSB_OS == OPT_OS_PICO
+    tud_task(); // tinyusb device task
+    tuh_task(); // tinyusb host task
+#endif
   }
+}
+
+int main(void) {
+  board_init();
+
+#if CFG_TUSB_OS == OPT_OS_NONE || CFG_TUSB_OS == OPT_OS_PICO
+  printf("TinyUSB Host Information -> Device CDC Example\r\n");
+
+  usb_device_init();
+  usb_host_init();
+
+  main_task(NULL);
+#elif CFG_TUSB_OS == OPT_OS_FREERTOS
+  freertos_init(); // create RTOS tasks for device, host stack and main_task()
+#else
+  #error RTOS not supported
+#endif
 
   return 0;
 }
 
+#if CFG_TUSB_OS != OPT_OS_NONE && CFG_TUSB_OS != OPT_OS_PICO
+// USB Device Driver task for RTOS
+static void usb_device_task(void *param) {
+  (void) param;
+  usb_device_init();
+  while (1) {
+    // put this thread to waiting state until there is new events
+    tud_task();
+  }
+}
+
+static void usb_host_task(void *param) {
+  (void) param;
+  usb_host_init();
+  while (1) {
+    // put this thread to waiting state until there is new events
+    tuh_task();
+  }
+}
+#endif
+
+
 //--------------------------------------------------------------------+
 // Device CDC
 //--------------------------------------------------------------------+
@@ -156,7 +209,7 @@ void cdc_task(void) {
   if (!tud_cdc_connected()) {
     // delay a bit otherwise we can outpace host's terminal. Linux will set LineState (DTR) then Line Coding.
     // If we send data before Linux's terminal set Line Coding, it can be ignored --> missing data with hardware test loop
-    board_delay(20);
+    tusb_time_delay_ms_api(20);
     return;
   }
 
@@ -259,7 +312,6 @@ void led_blinking_task(void) {
 //--------------------------------------------------------------------+
 // String Descriptor Helper
 //--------------------------------------------------------------------+
-
 static void _convert_utf16le_to_utf8(const uint16_t *utf16, size_t utf16_len, uint8_t *utf8, size_t utf8_len) {
   // TODO: Check for runover.
   (void)utf8_len;
@@ -310,3 +362,53 @@ static void print_utf16(uint16_t *temp_buf, size_t buf_len) {
 
   cdc_printf("%s", (char*) temp_buf);
 }
+
+//--------------------------------------------------------------------+
+// FreeRTOS
+//--------------------------------------------------------------------+
+#if CFG_TUSB_OS == OPT_OS_FREERTOS
+
+#ifdef ESP_PLATFORM
+  #define USBD_STACK_SIZE     4096
+  #define USBH_STACK_SIZE     4096
+  void app_main(void) {
+    main();
+  }
+#else
+  // Increase stack size when debug log is enabled
+  #define USBD_STACK_SIZE    (configMINIMAL_STACK_SIZE * (CFG_TUSB_DEBUG ? 4 : 2))
+  #define USBH_STACK_SIZE    (configMINIMAL_STACK_SIZE * (CFG_TUSB_DEBUG ? 4 : 2))
+#endif
+
+#define MAIN_STACK_SIZE    (configMINIMAL_STACK_SIZE*4)
+
+// static task
+#if configSUPPORT_STATIC_ALLOCATION
+StackType_t main_stack[MAIN_STACK_SIZE];
+StaticTask_t main_taskdef;
+
+StackType_t  usb_device_stack[USBD_STACK_SIZE];
+StaticTask_t usb_device_taskdef;
+
+StackType_t  usb_host_stack[USBH_STACK_SIZE];
+StaticTask_t usb_host_taskdef;
+#endif
+
+void freertos_init(void) {
+  #if configSUPPORT_STATIC_ALLOCATION
+  xTaskCreateStatic(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_device_stack, &usb_device_taskdef);
+  xTaskCreateStatic(usb_host_task, "usbh", USBH_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_host_stack, &usb_host_taskdef);
+  xTaskCreateStatic(main_task, "main", MAIN_STACK_SIZE, NULL, configMAX_PRIORITIES - 2, main_stack, &main_taskdef);
+  #else
+  xTaskCreate(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, NULL);
+  xTaskCreate(usb_host_task, "usbh", USBH_STACK_SZE, NULL, configMAX_PRIORITIES - 1, NULL);
+  xTaskCreate(main_task, "main", MAIN_STACK_SZIE, NULL, configMAX_PRIORITIES - 2, NULL);
+  #endif
+
+  // only start scheduler for non-espressif mcu
+  #ifndef ESP_PLATFORM
+  vTaskStartScheduler();
+  #endif
+}
+
+#endif

hw/bsp/espressif/components/tinyusb_src/CMakeLists.txt

@@ -14,7 +14,7 @@ set(compile_definitions
   BOARD_TUH_RHPORT=${RHPORT_HOST}
   BOARD_TUH_MAX_SPEED=${RHPORT_HOST_SPEED}
   )
-cmake_print_variables(compile_definitions)
+
 if (target STREQUAL esp32p4)
   # P4 change alignment to 64 (DCache line size) for possible DMA configuration
   list(APPEND compile_definitions