1 files changed, 151 insertions, 0 deletions
diff --git a/circuitpython/lib/tinyusb/hw/bsp/da1469x_dk_pro/da1469x-dk-pro.c b/circuitpython/lib/tinyusb/hw/bsp/da1469x_dk_pro/da1469x-dk-pro.c
new file mode 100644
index 0000000..13113fb
--- /dev/null
+++ b/circuitpython/lib/tinyusb/hw/bsp/da1469x_dk_pro/da1469x-dk-pro.c
@@ -0,0 +1,151 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Jerzy Kasenberg
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#include "bsp/board.h"
+#include <hal/hal_gpio.h>
+#include <mcu/mcu.h>
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+#if CFG_TUD_ENABLED
+// DA146xx driver function that must be called whenever VBUS changes
+extern void tusb_vbus_changed(bool present);
+
+// VBUS change interrupt handler
+void VBUS_IRQHandler(void)
+{
+  bool present = (CRG_TOP->ANA_STATUS_REG & CRG_TOP_ANA_STATUS_REG_VBUS_AVAILABLE_Msk) != 0;
+  // Clear VBUS interrupt
+  CRG_TOP->VBUS_IRQ_CLEAR_REG = 1;
+
+  tusb_vbus_changed(present);
+}
+#endif
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM
+//--------------------------------------------------------------------+
+
+#define LED_PIN         33
+#define LED_STATE_ON    1
+#define LED_STATE_OFF   0
+
+#define BUTTON_PIN      6
+
+void UnhandledIRQ(void)
+{
+  CRG_TOP->SYS_CTRL_REG = 0x80;
+  __BKPT(1);
+  while(1);
+}
+
+void board_init(void)
+{
+  // LED
+  hal_gpio_init_out(LED_PIN, LED_STATE_ON);
+
+  hal_gpio_init_out(1, 0);
+  hal_gpio_init_out(2, 0);
+  hal_gpio_init_out(3, 0);
+  hal_gpio_init_out(4, 0);
+  hal_gpio_init_out(5, 0);
+
+  // Button
+  hal_gpio_init_in(BUTTON_PIN, HAL_GPIO_PULL_UP);
+
+  // 1ms tick timer
+  SysTick_Config(SystemCoreClock / 1000);
+
+#if CFG_TUD_ENABLED
+  // Setup interrupt for both connect and disconnect
+  CRG_TOP->VBUS_IRQ_MASK_REG = CRG_TOP_VBUS_IRQ_MASK_REG_VBUS_IRQ_EN_FALL_Msk |
+                               CRG_TOP_VBUS_IRQ_MASK_REG_VBUS_IRQ_EN_RISE_Msk;
+  NVIC_SetPriority(VBUS_IRQn, 2);
+  // Trigger interrupt at the start to inform driver about VBUS state at start
+  // otherwise it could go unnoticed.
+  NVIC_SetPendingIRQ(VBUS_IRQn);
+  NVIC_EnableIRQ(VBUS_IRQn);
+
+  /* Setup USB IRQ */
+  NVIC_SetPriority(USB_IRQn, 2);
+  NVIC_EnableIRQ(USB_IRQn);
+
+  /* Use PLL96 / 2 clock not HCLK */
+  CRG_TOP->CLK_CTRL_REG &= ~CRG_TOP_CLK_CTRL_REG_USB_CLK_SRC_Msk;
+
+  mcu_gpio_set_pin_function(14, MCU_GPIO_MODE_INPUT, MCU_GPIO_FUNC_USB);
+  mcu_gpio_set_pin_function(15, MCU_GPIO_MODE_INPUT, MCU_GPIO_FUNC_USB);
+#endif
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  hal_gpio_write(LED_PIN, state ? LED_STATE_ON : LED_STATE_OFF);
+}
+
+uint32_t board_button_read(void)
+{
+  // button is active LOW
+  return hal_gpio_read(BUTTON_PIN) ^ 1;
+}
+
+int board_uart_read(uint8_t* buf, int len)
+{
+  (void)buf;
+  (void)len;
+  return 0;
+}
+
+int board_uart_write(void const * buf, int len)
+{
+  (void)buf;
+  (void)len;
+
+  return 0;
+}
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+volatile uint32_t system_ticks = 0;
+void SysTick_Handler(void)
+{
+  system_ticks++;
+}
+
+uint32_t board_millis(void)
+{
+  return system_ticks;
+}
+#endif