1 files changed, 283 insertions, 0 deletions
diff --git a/tinyusb/hw/bsp/lpc55/family.c b/tinyusb/hw/bsp/lpc55/family.c
new file mode 100755
index 00000000..4fc1f622
--- /dev/null
+++ b/tinyusb/hw/bsp/lpc55/family.c
@@ -0,0 +1,283 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018, hathach (tinyusb.org)
+ *
+ * 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 "board.h"
+#include "fsl_device_registers.h"
+#include "fsl_gpio.h"
+#include "fsl_power.h"
+#include "fsl_iocon.h"
+#include "fsl_usart.h"
+#include "fsl_sctimer.h"
+#include "sct_neopixel.h"
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM
+//--------------------------------------------------------------------+
+
+// IOCON pin mux
+#define IOCON_PIO_DIGITAL_EN     0x0100u // Enables digital function
+#define IOCON_PIO_FUNC0          0x00u   // Selects pin function 0
+#define IOCON_PIO_FUNC1          0x01u   // Selects pin function 1
+#define IOCON_PIO_FUNC4          0x04u   // Selects pin function 4
+#define IOCON_PIO_FUNC7          0x07u   // Selects pin function 7
+#define IOCON_PIO_INV_DI         0x00u   // Input function is not inverted
+#define IOCON_PIO_MODE_INACT     0x00u   // No addition pin function
+#define IOCON_PIO_OPENDRAIN_DI   0x00u   // Open drain is disabled
+#define IOCON_PIO_SLEW_STANDARD  0x00u   // Standard mode, output slew rate control is enabled
+
+#define IOCON_PIO_DIG_FUNC0_EN   (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC0) // Digital pin function 0 enabled
+#define IOCON_PIO_DIG_FUNC1_EN   (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC1) // Digital pin function 1 enabled
+#define IOCON_PIO_DIG_FUNC4_EN   (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC4) // Digital pin function 2 enabled
+#define IOCON_PIO_DIG_FUNC7_EN   (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC7) // Digital pin function 2 enabled
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB0_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+void USB1_IRQHandler(void)
+{
+  tud_int_handler(1);
+}
+
+/****************************************************************
+name: BOARD_BootClockFROHF96M
+outputs:
+- {id: SYSTICK_clock.outFreq, value: 96 MHz}
+- {id: System_clock.outFreq, value: 96 MHz}
+settings:
+- {id: SYSCON.MAINCLKSELA.sel, value: SYSCON.fro_hf}
+sources:
+- {id: SYSCON.fro_hf.outFreq, value: 96 MHz}
+******************************************************************/
+void BootClockFROHF96M(void)
+{
+  /*!< Set up the clock sources */
+  /*!< Set up FRO */
+  POWER_DisablePD(kPDRUNCFG_PD_FRO192M); /*!< Ensure FRO is on  */
+  CLOCK_SetupFROClocking(12000000U);     /*!< Set up FRO to the 12 MHz, just for sure */
+  CLOCK_AttachClk(kFRO12M_to_MAIN_CLK); /*!< Switch to FRO 12MHz first to ensure we can change voltage without
+                                             accidentally being below the voltage for current speed */
+
+  CLOCK_SetupFROClocking(96000000U); /*!< Set up high frequency FRO output to selected frequency */
+
+  POWER_SetVoltageForFreq(96000000U); /*!< Set voltage for the one of the fastest clock outputs: System clock output */
+  CLOCK_SetFLASHAccessCyclesForFreq(96000000U); /*!< Set FLASH wait states for core */
+
+  /*!< Set up dividers */
+  CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false);     /*!< Set AHBCLKDIV divider to value 1 */
+
+  /*!< Set up clock selectors - Attach clocks to the peripheries */
+  CLOCK_AttachClk(kFRO_HF_to_MAIN_CLK); /*!< Switch MAIN_CLK to FRO_HF */
+
+  /*!< Set SystemCoreClock variable. */
+  SystemCoreClock = 96000000U;
+}
+
+void board_init(void)
+{
+  // Enable IOCON clock
+  CLOCK_EnableClock(kCLOCK_Iocon);
+
+  // Init 96 MHz clock
+  BootClockFROHF96M();
+
+  // 1ms tick timer
+  SysTick_Config(SystemCoreClock / 1000);
+
+#if CFG_TUSB_OS == OPT_OS_FREERTOS
+  // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+  NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
+#endif
+
+  // Init all GPIO ports
+  GPIO_PortInit(GPIO, 0);
+  GPIO_PortInit(GPIO, 1);
+
+  // LED
+  IOCON_PinMuxSet(IOCON, LED_PORT, LED_PIN, IOCON_PIO_DIG_FUNC0_EN);
+  gpio_pin_config_t const led_config = { kGPIO_DigitalOutput, 1};
+  GPIO_PinInit(GPIO, LED_PORT, LED_PIN, &led_config);
+
+  board_led_write(0);
+
+#ifdef NEOPIXEL_PIN
+  // Neopixel
+  static uint32_t pixelData[NEOPIXEL_NUMBER];
+  IOCON_PinMuxSet(IOCON, NEOPIXEL_PORT, NEOPIXEL_PIN, IOCON_PIO_DIG_FUNC4_EN);
+
+  sctpix_init(NEOPIXEL_TYPE);
+  sctpix_addCh(NEOPIXEL_CH, pixelData, NEOPIXEL_NUMBER);
+  sctpix_setPixel(NEOPIXEL_CH, 0, 0x100010);
+  sctpix_setPixel(NEOPIXEL_CH, 1, 0x100010);
+  sctpix_show();
+#endif
+
+  // Button
+  IOCON_PinMuxSet(IOCON, BUTTON_PORT, BUTTON_PIN, IOCON_PIO_DIG_FUNC0_EN);
+  gpio_pin_config_t const button_config = { kGPIO_DigitalInput, 0};
+  GPIO_PinInit(GPIO, BUTTON_PORT, BUTTON_PIN, &button_config);
+
+#ifdef UART_DEV
+  // UART
+  IOCON_PinMuxSet(IOCON, UART_RX_PINMUX);
+  IOCON_PinMuxSet(IOCON, UART_TX_PINMUX);
+
+  // Enable UART when debug log is on
+  CLOCK_AttachClk(kFRO12M_to_FLEXCOMM0);
+  usart_config_t uart_config;
+  USART_GetDefaultConfig(&uart_config);
+  uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE;
+  uart_config.enableTx     = true;
+  uart_config.enableRx     = true;
+  USART_Init(UART_DEV, &uart_config, 12000000);
+#endif
+
+  // USB VBUS
+  /* PORT0 PIN22 configured as USB0_VBUS */
+  IOCON_PinMuxSet(IOCON, 0U, 22U, IOCON_PIO_DIG_FUNC7_EN);
+
+#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE
+  // Port0 is Full Speed
+
+  /* Turn on USB0 Phy */
+  POWER_DisablePD(kPDRUNCFG_PD_USB0_PHY);
+
+  /* reset the IP to make sure it's in reset state. */
+  RESET_PeripheralReset(kUSB0D_RST_SHIFT_RSTn);
+  RESET_PeripheralReset(kUSB0HSL_RST_SHIFT_RSTn);
+  RESET_PeripheralReset(kUSB0HMR_RST_SHIFT_RSTn);
+
+  // Enable USB Clock Adjustments to trim the FRO for the full speed controller
+  ANACTRL->FRO192M_CTRL |= ANACTRL_FRO192M_CTRL_USBCLKADJ_MASK;
+  CLOCK_SetClkDiv(kCLOCK_DivUsb0Clk, 1, false);
+  CLOCK_AttachClk(kFRO_HF_to_USB0_CLK);
+
+  /*According to reference mannual, device mode setting has to be set by access usb host register */
+  CLOCK_EnableClock(kCLOCK_Usbhsl0);  // enable usb0 host clock
+  USBFSH->PORTMODE |= USBFSH_PORTMODE_DEV_ENABLE_MASK;
+  CLOCK_DisableClock(kCLOCK_Usbhsl0); // disable usb0 host clock
+
+  /* enable USB Device clock */
+  CLOCK_EnableUsbfs0DeviceClock(kCLOCK_UsbfsSrcFro, CLOCK_GetFreq(kCLOCK_FroHf));
+#endif
+
+#if CFG_TUSB_RHPORT1_MODE & OPT_MODE_DEVICE
+  // Port1 is High Speed
+
+  /* Turn on USB1 Phy */
+  POWER_DisablePD(kPDRUNCFG_PD_USB1_PHY);
+
+  /* reset the IP to make sure it's in reset state. */
+  RESET_PeripheralReset(kUSB1H_RST_SHIFT_RSTn);
+  RESET_PeripheralReset(kUSB1D_RST_SHIFT_RSTn);
+  RESET_PeripheralReset(kUSB1_RST_SHIFT_RSTn);
+  RESET_PeripheralReset(kUSB1RAM_RST_SHIFT_RSTn);
+
+  /* According to reference mannual, device mode setting has to be set by access usb host register */
+  CLOCK_EnableClock(kCLOCK_Usbh1); // enable usb0 host clock
+
+  USBHSH->PORTMODE = USBHSH_PORTMODE_SW_PDCOM_MASK; // Put PHY powerdown under software control
+  USBHSH->PORTMODE |= USBHSH_PORTMODE_DEV_ENABLE_MASK;
+
+  CLOCK_DisableClock(kCLOCK_Usbh1); // disable usb0 host clock
+
+  /* enable USB Device clock */
+  CLOCK_EnableUsbhs0PhyPllClock(kCLOCK_UsbPhySrcExt, XTAL0_CLK_HZ);
+  CLOCK_EnableUsbhs0DeviceClock(kCLOCK_UsbSrcUnused, 0U);
+  CLOCK_EnableClock(kCLOCK_UsbRam1);
+
+  // Enable PHY support for Low speed device + LS via FS Hub
+  USBPHY->CTRL |= USBPHY_CTRL_SET_ENUTMILEVEL2_MASK | USBPHY_CTRL_SET_ENUTMILEVEL3_MASK;
+
+  // Enable all power for normal operation
+  USBPHY->PWD = 0;
+
+  USBPHY->CTRL_SET = USBPHY_CTRL_SET_ENAUTOCLR_CLKGATE_MASK;
+  USBPHY->CTRL_SET = USBPHY_CTRL_SET_ENAUTOCLR_PHY_PWD_MASK;
+
+  // TX Timing
+//  uint32_t phytx = USBPHY->TX;
+//  phytx &= ~(USBPHY_TX_D_CAL_MASK | USBPHY_TX_TXCAL45DM_MASK | USBPHY_TX_TXCAL45DP_MASK);
+//  phytx |= USBPHY_TX_D_CAL(0x0C) | USBPHY_TX_TXCAL45DP(0x06) | USBPHY_TX_TXCAL45DM(0x06);
+//  USBPHY->TX = phytx;
+#endif
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+  GPIO_PinWrite(GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
+
+#ifdef NEOPIXEL_PIN
+  if (state) {
+    sctpix_setPixel(NEOPIXEL_CH, 0, 0x100000);
+    sctpix_setPixel(NEOPIXEL_CH, 1, 0x101010);
+  } else {
+    sctpix_setPixel(NEOPIXEL_CH, 0, 0x001000);
+    sctpix_setPixel(NEOPIXEL_CH, 1, 0x000010);
+  }
+  sctpix_show();
+#endif
+}
+
+uint32_t board_button_read(void)
+{
+  // active low
+  return BUTTON_STATE_ACTIVE == GPIO_PinRead(GPIO, BUTTON_PORT, BUTTON_PIN);
+}
+
+int board_uart_read(uint8_t* buf, int len)
+{
+  (void) buf; (void) len;
+  return 0;
+}
+
+int board_uart_write(void const * buf, int len)
+{
+  USART_WriteBlocking(UART_DEV, (uint8_t *)buf, len);
+  return len;
+}
+
+#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