add support for native SAMD HCD

Author: ChrisDeadman

Diff for: hw/bsp/samd21/family.c

@@ -60,7 +60,13 @@
 // Forward USB interrupt events to TinyUSB IRQ Handler
 //--------------------------------------------------------------------+
 void USB_Handler(void) {
+#if CFG_TUD_ENABLED
   tud_int_handler(0);
+#endif
+
+#if CFG_TUH_ENABLED && !(defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421)
+  tuh_int_handler(0);
+#endif
 }
 
 //--------------------------------------------------------------------+
@@ -140,8 +146,14 @@ void board_init(void) {
   gpio_set_pin_function(PIN_PA19, PINMUX_PA19F_TCC0_WO3);
   _gclk_enable_channel(TCC0_GCLK_ID, GCLK_CLKCTRL_GEN_GCLK0_Val);
 
-#if CFG_TUH_ENABLED && defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421
-  max3421_init();
+#if CFG_TUH_ENABLED
+  #if defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421
+    max3421_init();
+  #else
+    // VBUS Power
+    gpio_set_pin_direction(PIN_PA28, GPIO_DIRECTION_OUT);
+    gpio_set_pin_level(PIN_PA28, true);
+  #endif
 #endif
 }
 

Diff for: hw/bsp/samd21/family.cmake

@@ -94,6 +94,7 @@ function(family_configure_example TARGET RTOS)
   family_add_tinyusb(${TARGET} OPT_MCU_SAMD21 ${RTOS})
   target_sources(${TARGET}-tinyusb PUBLIC
     ${TOP}/src/portable/microchip/samd/dcd_samd.c
+    ${TOP}/src/portable/microchip/samd/hcd_samd.c
     )
   target_link_libraries(${TARGET}-tinyusb PUBLIC board_${BOARD})
 

Diff for: hw/bsp/samd21/family.mk

@@ -20,6 +20,7 @@ LDFLAGS_GCC += -specs=nosys.specs -specs=nano.specs
 
 SRC_C += \
 	src/portable/microchip/samd/dcd_samd.c \
+	src/portable/microchip/samd/hcd_samd.c \
 	${SDK_DIR}/gcc/gcc/startup_samd21.c \
 	${SDK_DIR}/gcc/system_samd21.c \
 	${SDK_DIR}/hpl/gclk/hpl_gclk.c \

Diff for: hw/bsp/samd51/family.c

@@ -56,21 +56,24 @@
 //--------------------------------------------------------------------+
 // Forward USB interrupt events to TinyUSB IRQ Handler
 //--------------------------------------------------------------------+
-void USB_0_Handler(void) {
+TU_ATTR_ALWAYS_INLINE inline void USB_Any_Handler(void)
+{
+#if CFG_TUD_ENABLED
   tud_int_handler(0);
-}
+#endif
 
-void USB_1_Handler(void) {
-  tud_int_handler(0);
+#if CFG_TUH_ENABLED && !CFG_TUH_MAX3421
+  tuh_int_handler(0);
+#endif
 }
 
-void USB_2_Handler(void) {
-  tud_int_handler(0);
-}
+void USB_0_Handler(void) { USB_Any_Handler(); }
 
-void USB_3_Handler(void) {
-  tud_int_handler(0);
-}
+void USB_1_Handler(void) { USB_Any_Handler(); }
+
+void USB_2_Handler(void) { USB_Any_Handler(); }
+
+void USB_3_Handler(void) { USB_Any_Handler(); }
 
 //--------------------------------------------------------------------+
 // Implementation
@@ -136,8 +139,14 @@ void board_init(void) {
   gpio_set_pin_function(PIN_PA24, PINMUX_PA24H_USB_DM);
   gpio_set_pin_function(PIN_PA25, PINMUX_PA25H_USB_DP);
 
-#if CFG_TUH_ENABLED && CFG_TUH_MAX3421
-  max3421_init();
+#if CFG_TUH_ENABLED
+  #if defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421
+    max3421_init();
+  #else
+    // VBUS Power
+    gpio_set_pin_direction(PIN_PA28, GPIO_DIRECTION_OUT);
+    gpio_set_pin_level(PIN_PA28, true);
+  #endif
 #endif
 }
 

Diff for: hw/bsp/samd51/family.cmake

@@ -93,6 +93,7 @@ function(family_configure_example TARGET RTOS)
   family_add_tinyusb(${TARGET} OPT_MCU_SAMD51 ${RTOS})
   target_sources(${TARGET}-tinyusb PUBLIC
     ${TOP}/src/portable/microchip/samd/dcd_samd.c
+    ${TOP}/src/portable/microchip/samd/hcd_samd.c
     )
   target_link_libraries(${TARGET}-tinyusb PUBLIC board_${BOARD})
 

Diff for: hw/bsp/samd51/family.mk

@@ -16,6 +16,7 @@ LDFLAGS_GCC += -specs=nosys.specs -specs=nano.specs
 
 SRC_C += \
 	src/portable/microchip/samd/dcd_samd.c \
+	src/portable/microchip/samd/hcd_samd.c \
 	hw/mcu/microchip/samd51/gcc/gcc/startup_samd51.c \
 	hw/mcu/microchip/samd51/gcc/system_samd51.c \
 	hw/mcu/microchip/samd51/hpl/gclk/hpl_gclk.c \