stm32/usb: Add support for using TinyUSB stack.

Signed-off-by: Andrew Leech <[email protected]>

Author: pi-anl

ports/stm32/Makefile

@@ -58,7 +58,7 @@ MBOOT_TEXT0_ADDR ?= 0x08000000
 include $(TOP)/py/py.mk
 include $(TOP)/extmod/extmod.mk
 
-GIT_SUBMODULES += lib/libhydrogen lib/stm32lib
+GIT_SUBMODULES += lib/libhydrogen lib/stm32lib lib/tinyusb
 
 CROSS_COMPILE ?= arm-none-eabi-
 LD_DIR=boards
@@ -110,6 +110,9 @@ INC += -I$(STM32LIB_CMSIS_ABS)/Include
 INC += -I$(STM32LIB_HAL_ABS)/Inc
 INC += -I$(USBDEV_DIR)/core/inc -I$(USBDEV_DIR)/class/inc
 #INC += -I$(USBHOST_DIR)
+INC += -I$(TOP)/lib/tinyusb/src
+INC += -I$(TOP)/shared/tinyusb/
+
 INC += -Ilwip_inc
 
 CFLAGS += $(INC) -Wall -Wpointer-arith -Werror -Wdouble-promotion -Wfloat-conversion -std=gnu99 -nostdlib $(CFLAGS_EXTRA)
@@ -213,6 +216,10 @@ SHARED_SRC_C += $(addprefix shared/,\
 	runtime/stdout_helpers.c \
 	runtime/sys_stdio_mphal.c \
 	timeutils/timeutils.c \
+	tinyusb/mp_usbd.c \
+	tinyusb/mp_usbd_cdc.c \
+	tinyusb/mp_usbd_descriptor.c \
+	tinyusb/mp_usbd_runtime.c \
 	)
 
 ifeq ($(MICROPY_FLOAT_IMPL),double)
@@ -238,11 +245,21 @@ DRIVERS_SRC_C += $(addprefix drivers/,\
 	dht/dht.c \
 	)
 
+# TinyUSB Stack source
+-include $(TOP)/lib/tinyusb/src/tinyusb.mk
+TINYUSB_SRC_C := $(addprefix lib/tinyusb/, \
+	$(TINYUSB_SRC_C) \
+	src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c \
+	src/portable/synopsys/dwc2/dcd_dwc2.c \
+	)
+
 SRC_C += \
 	boardctrl.c \
 	main.c \
 	stm32_it.c \
+	usbd.c \
 	usbd_conf.c \
+	usb.c \
 	usbd_desc.c \
 	usbd_cdc_interface.c \
 	usbd_hid_interface.c \
@@ -277,7 +294,6 @@ SRC_C += \
 	can.c \
 	fdcan.c \
 	pyb_can.c \
-	usb.c \
 	eth.c \
 	eth_phy.c \
 	gccollect.c \
@@ -499,6 +515,7 @@ OBJ += $(addprefix $(BUILD)/, $(SHARED_SRC_C:.c=.o))
 OBJ += $(addprefix $(BUILD)/, $(DRIVERS_SRC_C:.c=.o))
 OBJ += $(addprefix $(BUILD)/, $(HAL_SRC_C:.c=.o))
 OBJ += $(addprefix $(BUILD)/, $(USBDEV_SRC_C:.c=.o))
+OBJ += $(addprefix $(BUILD)/, $(TINYUSB_SRC_C:.c=.o))
 OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
 OBJ += $(addprefix $(BUILD)/, $(SRC_CXX:.cpp=.o))
 OBJ += $(GEN_PINS_SRC:.c=.o)

ports/stm32/main.c

@@ -77,7 +77,6 @@
 #include "pin.h"
 #include "extint.h"
 #include "usrsw.h"
-#include "usb.h"
 #include "rtc.h"
 #include "storage.h"
 #include "sdcard.h"
@@ -89,6 +88,13 @@
 #include "pyb_can.h"
 #include "subghz.h"
 
+#if MICROPY_HW_TINYUSB_STACK
+#include "usbd_conf.h"
+#include "shared/tinyusb/mp_usbd.h"
+#else
+#include "usb.h"
+#endif
+
 #if MICROPY_PY_THREAD
 static pyb_thread_t pyb_thread_main;
 #endif
@@ -276,14 +282,12 @@ static bool init_sdcard_fs(void) {
                 }
             }
 
-            #if MICROPY_HW_ENABLE_USB
+            #if MICROPY_HW_ENABLE_USB && !MICROPY_HW_TINYUSB_STACK
             if (pyb_usb_storage_medium == PYB_USB_STORAGE_MEDIUM_NONE) {
                 // if no USB MSC medium is selected then use the SD card
                 pyb_usb_storage_medium = PYB_USB_STORAGE_MEDIUM_SDCARD;
             }
-            #endif
 
-            #if MICROPY_HW_ENABLE_USB
             // only use SD card as current directory if that's what the USB medium is
             if (pyb_usb_storage_medium == PYB_USB_STORAGE_MEDIUM_SDCARD)
             #endif
@@ -604,8 +608,13 @@ void stm32_main(uint32_t reset_mode) {
     #endif
 
     #if MICROPY_HW_ENABLE_USB
+    #if MICROPY_HW_TINYUSB_STACK
+    pyb_usbd_init();
+    mp_usbd_init();
+    #else
     pyb_usb_init0();
     #endif
+    #endif
 
     #if MICROPY_PY_MACHINE_I2S
     machine_i2s_init0();
@@ -629,7 +638,7 @@ void stm32_main(uint32_t reset_mode) {
     }
     #endif
 
-    #if MICROPY_HW_ENABLE_USB
+    #if MICROPY_HW_STM_USB_STACK
     // if the SD card isn't used as the USB MSC medium then use the internal flash
     if (pyb_usb_storage_medium == PYB_USB_STORAGE_MEDIUM_NONE) {
         pyb_usb_storage_medium = PYB_USB_STORAGE_MEDIUM_FLASH;
@@ -663,7 +672,7 @@ void stm32_main(uint32_t reset_mode) {
     // or whose initialisation can be safely deferred until after running
     // boot.py.
 
-    #if MICROPY_HW_ENABLE_USB
+    #if MICROPY_HW_STM_USB_STACK
     // init USB device to default setting if it was not already configured
     if (!(pyb_usb_flags & PYB_USB_FLAG_USB_MODE_CALLED)) {
         #if MICROPY_HW_USB_MSC
@@ -768,6 +777,9 @@ void stm32_main(uint32_t reset_mode) {
     #else
     MP_STATE_PORT(pyb_stdio_uart) = NULL;
     #endif
+    #if MICROPY_HW_ENABLE_USB_RUNTIME_DEVICE && MICROPY_HW_TINYUSB_STACK
+    mp_usbd_deinit();
+    #endif
 
     MICROPY_BOARD_END_SOFT_RESET(&state);
 

ports/stm32/modmachine.c

@@ -47,6 +47,7 @@
 #include "rtc.h"
 #include "i2c.h"
 #include "spi.h"
+#include "shared/tinyusb/mp_usbd.h"
 
 #if defined(STM32G0)
 // G0 has BOR and POR combined
@@ -297,9 +298,13 @@ MP_NORETURN static void mp_machine_reset(void) {
 
 // Activate the bootloader without BOOT* pins.
 MP_NORETURN void mp_machine_bootloader(size_t n_args, const mp_obj_t *args) {
-    #if MICROPY_HW_ENABLE_USB
+    #if MICROPY_HW_ENABLE_USB && !MICROPY_HW_TINYUSB_STACK
     pyb_usb_dev_deinit();
     #endif
+    #if MICROPY_HW_ENABLE_USB_RUNTIME_DEVICE && MICROPY_HW_TINYUSB_STACK
+    mp_usbd_deinit();
+    #endif
+
     #if MICROPY_HW_ENABLE_STORAGE
     storage_flush();
     #endif

ports/stm32/modos.c

@@ -52,7 +52,7 @@ bool mp_os_dupterm_is_builtin_stream(mp_const_obj_t stream) {
            #if MICROPY_PY_MACHINE_UART
            || type == &machine_uart_type
            #endif
-           #if MICROPY_HW_ENABLE_USB
+           #if MICROPY_HW_STM_USB_STACK
            || type == &pyb_usb_vcp_type
            #endif
     ;
@@ -64,7 +64,7 @@ void mp_os_dupterm_stream_detached_attached(mp_obj_t stream_detached, mp_obj_t s
         uart_attach_to_repl(MP_OBJ_TO_PTR(stream_detached), false);
     }
     #endif
-    #if MICROPY_HW_ENABLE_USB
+    #if MICROPY_HW_STM_USB_STACK
     if (mp_obj_get_type(stream_detached) == &pyb_usb_vcp_type) {
         usb_vcp_attach_to_repl(MP_OBJ_TO_PTR(stream_detached), false);
     }
@@ -75,7 +75,7 @@ void mp_os_dupterm_stream_detached_attached(mp_obj_t stream_detached, mp_obj_t s
         uart_attach_to_repl(MP_OBJ_TO_PTR(stream_attached), true);
     }
     #endif
-    #if MICROPY_HW_ENABLE_USB
+    #if MICROPY_HW_STM_USB_STACK
     if (mp_obj_get_type(stream_attached) == &pyb_usb_vcp_type) {
         usb_vcp_attach_to_repl(MP_OBJ_TO_PTR(stream_attached), true);
     }

ports/stm32/modpyb.c

@@ -49,14 +49,17 @@
 #include "servo.h"
 #include "dac.h"
 #include "lcd.h"
-#include "usb.h"
 #include "portmodules.h"
 #include "modmachine.h"
 #include "extmod/modmachine.h"
 #include "extmod/modnetwork.h"
 #include "extmod/vfs.h"
 #include "extmod/modtime.h"
 
+#if !MICROPY_HW_TINYUSB_STACK
+#include "usb.h"
+#endif
+
 #if MICROPY_PY_PYB
 
 static mp_obj_t pyb_fault_debug(mp_obj_t value) {
@@ -167,7 +170,7 @@ static const mp_rom_map_elem_t pyb_module_globals_table[] = {
     // Deprecated (use network.country instead).
     { MP_ROM_QSTR(MP_QSTR_country), MP_ROM_PTR(&mod_network_country_obj) },
 
-    #if MICROPY_HW_ENABLE_USB
+    #if MICROPY_HW_STM_USB_STACK
     { MP_ROM_QSTR(MP_QSTR_usb_mode), MP_ROM_PTR(&pyb_usb_mode_obj) },
     #if MICROPY_HW_USB_HID
     { MP_ROM_QSTR(MP_QSTR_hid_mouse), MP_ROM_PTR(&pyb_usb_hid_mouse_obj) },

ports/stm32/mpconfigboard_common.h

@@ -136,6 +136,24 @@
 #define MICROPY_HW_ENABLE_USB (0)
 #endif
 
+#if MICROPY_HW_ENABLE_USB
+#define MICROPY_HW_USB_CDC (1)
+#define MICROPY_HW_USB_FS (1)
+
+// Select whether TinyUSB or legacy STM stack is used to provide USB.
+#ifndef MICROPY_HW_TINYUSB_STACK
+#define MICROPY_HW_TINYUSB_STACK (0)
+#endif
+
+// Central definition for STM USB stack (when not using TinyUSB)
+#define MICROPY_HW_STM_USB_STACK (MICROPY_HW_ENABLE_USB && !MICROPY_HW_TINYUSB_STACK)
+
+#if MICROPY_HW_TINYUSB_STACK
+#define MICROPY_HW_ENABLE_USBDEV (1)
+#endif
+
+#endif // MICROPY_HW_ENABLE_USB
+
 // Whether to enable the PA0-PA3 servo driver, exposed as pyb.Servo
 #ifndef MICROPY_HW_ENABLE_SERVO
 #define MICROPY_HW_ENABLE_SERVO (0)
@@ -256,6 +274,8 @@
 // Windows needs a different PID to distinguish different device configurations.
 #ifndef MICROPY_HW_USB_VID
 #define MICROPY_HW_USB_VID              (0xf055)
+#define MICROPY_HW_USB_PID              (0x9802)
+
 #define MICROPY_HW_USB_PID_CDC_MSC      (0x9800)
 #define MICROPY_HW_USB_PID_CDC_HID      (0x9801)
 #define MICROPY_HW_USB_PID_CDC          (0x9802)
@@ -369,6 +389,8 @@
 #endif
 #define MICROPY_HW_MAX_LPUART (0)
 
+#define CFG_TUSB_MCU OPT_MCU_STM32F4
+
 // Configuration for STM32F7 series
 #elif defined(STM32F7)
 
@@ -384,6 +406,8 @@
 #define MICROPY_HW_MAX_UART (8)
 #define MICROPY_HW_MAX_LPUART (0)
 
+#define CFG_TUSB_MCU OPT_MCU_STM32F7
+
 // Configuration for STM32G0 series
 #elif defined(STM32G0)
 
@@ -394,6 +418,8 @@
 #define MICROPY_HW_MAX_UART (6)
 #define MICROPY_HW_MAX_LPUART (2)
 
+#define CFG_TUSB_MCU OPT_MCU_STM32G0
+
 // Configuration for STM32G4 series
 #elif defined(STM32G4)
 
@@ -404,6 +430,8 @@
 #define MICROPY_HW_MAX_UART (5) // UART1-5 + LPUART1
 #define MICROPY_HW_MAX_LPUART (1)
 
+#define CFG_TUSB_MCU OPT_MCU_STM32G4
+
 // Configuration for STM32H5 series
 #elif defined(STM32H5)
 
@@ -414,6 +442,8 @@
 #define MICROPY_HW_MAX_UART (12)
 #define MICROPY_HW_MAX_LPUART (1)
 
+#define CFG_TUSB_MCU OPT_MCU_STM32H5
+
 // Configuration for STM32H7A3/B3 series
 #elif defined(STM32H7A3xx) || defined(STM32H7A3xxQ) || \
     defined(STM32H7B3xx) || defined(STM32H7B3xxQ)
@@ -425,6 +455,8 @@
 #define MICROPY_HW_MAX_UART (10)
 #define MICROPY_HW_MAX_LPUART (1)
 
+#define CFG_TUSB_MCU OPT_MCU_STM32H7
+
 // Configuration for STM32H7 series
 #elif defined(STM32H7)
 
@@ -435,6 +467,8 @@
 #define MICROPY_HW_MAX_UART (8)
 #define MICROPY_HW_MAX_LPUART (1)
 
+#define CFG_TUSB_MCU OPT_MCU_STM32H7
+
 #if defined(MICROPY_HW_ANALOG_SWITCH_PA0) \
     || defined(MICROPY_HW_ANALOG_SWITCH_PA1) \
     || defined(MICROPY_HW_ANALOG_SWITCH_PC2) \
@@ -454,6 +488,8 @@
 #define MICROPY_HW_MAX_UART (5)
 #define MICROPY_HW_MAX_LPUART (1)
 
+#define CFG_TUSB_MCU OPT_MCU_STM32L0
+
 // Configuration for STM32L1 series
 #elif defined(STM32L1)
 #define MP_HAL_UNIQUE_ID_ADDRESS (UID_BASE)
@@ -464,6 +500,8 @@
 #define MICROPY_HW_MAX_UART (5)
 #define MICROPY_HW_MAX_LPUART (0)
 
+#define CFG_TUSB_MCU OPT_MCU_STM32L1
+
 // Configuration for STM32L4 series
 #elif defined(STM32L4)
 
@@ -474,6 +512,8 @@
 #define MICROPY_HW_MAX_UART (5)
 #define MICROPY_HW_MAX_LPUART (1)
 
+#define CFG_TUSB_MCU OPT_MCU_STM32L4
+
 // Configuration for STM32N6 series
 #elif defined(STM32N6)
 
@@ -494,6 +534,8 @@
 #define MICROPY_HW_MAX_UART (1)
 #define MICROPY_HW_MAX_LPUART (1)
 
+#define CFG_TUSB_MCU OPT_MCU_STM32WB
+
 #ifndef MICROPY_HW_STM32WB_FLASH_SYNCRONISATION
 #define MICROPY_HW_STM32WB_FLASH_SYNCRONISATION (1)
 #endif
@@ -699,10 +741,10 @@
 #define MICROPY_HW_USB_CDC_NUM (1)
 #endif
 #ifndef MICROPY_HW_USB_MSC
-#define MICROPY_HW_USB_MSC (MICROPY_HW_ENABLE_USB)
+#define MICROPY_HW_USB_MSC (MICROPY_HW_STM_USB_STACK)
 #endif
 #ifndef MICROPY_HW_USB_HID
-#define MICROPY_HW_USB_HID (MICROPY_HW_ENABLE_USB)
+#define MICROPY_HW_USB_HID (MICROPY_HW_STM_USB_STACK)
 #endif
 
 // Pin definition header file

ports/stm32/mpconfigport.h

@@ -179,6 +179,9 @@
 #define MICROPY_FATFS_USE_LABEL        (1)
 #define MICROPY_FATFS_RPATH            (2)
 #define MICROPY_FATFS_MULTI_PARTITION  (1)
+#if MICROPY_HW_TINYUSB_STACK && CFG_TUD_MSC
+#define MICROPY_FATFS_MAX_SS           (4096)
+#endif
 
 #if MICROPY_PY_PYB
 extern const struct _mp_obj_module_t pyb_module;