add tinyusb

tinyusb/hw/bsp/lpcxpresso1347/lpcxpresso1347.c

@@ -0,0 +1,152 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (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 "chip.h"
+#include "../board.h"
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB_IRQHandler(void)
+{
+  tud_int_handler(0);
+}
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM
+//--------------------------------------------------------------------+
+#define LED_PORT      0
+#define LED_PIN       7
+
+// Joytick Down if connected to LPCXpresso Base board
+#define BUTTON_PORT   1
+#define BUTTON_PIN    20
+
+//static const struct {
+//  uint8_t port;
+//  uint8_t pin;
+//} buttons[] =
+//{
+//    {1, 22 }, // Joystick up
+//    {1, 20 }, // Joystick down
+//    {1, 23 }, // Joystick left
+//    {1, 21 }, // Joystick right
+//    {1, 19 }, // Joystick press
+//    {0, 1  }, // SW3
+//};
+
+/* System oscillator rate and RTC oscillator rate */
+const uint32_t OscRateIn = 12000000;
+const uint32_t ExtRateIn = 0;
+
+/* Pin muxing table, only items that need changing from their default pin
+   state are in this table. */
+static const PINMUX_GRP_T pinmuxing[] = 
+{
+  {0,  1,  (IOCON_FUNC1 | IOCON_RESERVED_BIT_7 | IOCON_MODE_INACT)},	/* PIO0_1 used for CLKOUT */
+  {0,  2,  (IOCON_FUNC1 | IOCON_RESERVED_BIT_7 | IOCON_MODE_PULLUP)},	/* PIO0_2 used for SSEL */
+  {0,  3,  (IOCON_FUNC1 | IOCON_RESERVED_BIT_7 | IOCON_MODE_INACT)},	/* PIO0_3 used for USB_VBUS */
+  {0,  6,  (IOCON_FUNC1 | IOCON_RESERVED_BIT_7 | IOCON_MODE_INACT)},	/* PIO0_6 used for USB_CONNECT */
+  {0,  8,  (IOCON_FUNC1 | IOCON_RESERVED_BIT_7 | IOCON_MODE_INACT)},	/* PIO0_8 used for MISO0 */
+  {0,  9,  (IOCON_FUNC1 | IOCON_RESERVED_BIT_7 | IOCON_MODE_INACT)},	/* PIO0_9 used for MOSI0 */
+  {0,  11, (IOCON_FUNC2 | IOCON_ADMODE_EN      | IOCON_FILT_DIS)},	/* PIO0_11 used for AD0 */
+  {0,  18, (IOCON_FUNC1 | IOCON_RESERVED_BIT_7 | IOCON_MODE_INACT)},	/* PIO0_18 used for RXD */
+  {0,  19, (IOCON_FUNC1 | IOCON_RESERVED_BIT_7 | IOCON_MODE_INACT)},	/* PIO0_19 used for TXD */
+  {1,  29, (IOCON_FUNC1 | IOCON_RESERVED_BIT_7 | IOCON_MODE_INACT)},	/* PIO1_29 used for SCK0 */
+};
+
+// Invoked by startup code
+void SystemInit(void)
+{
+  /* Enable IOCON clock */
+  Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_IOCON);
+  Chip_IOCON_SetPinMuxing(LPC_IOCON, pinmuxing, sizeof(pinmuxing) / sizeof(PINMUX_GRP_T));
+  Chip_SetupXtalClocking();
+}
+
+void board_init(void)
+{
+  SystemCoreClockUpdate();
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+  // 1ms tick timer
+  SysTick_Config(SystemCoreClock / 1000);
+#elif 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
+
+  Chip_GPIO_Init(LPC_GPIO_PORT);
+
+  // LED
+  Chip_GPIO_SetPinDIROutput(LPC_GPIO_PORT, LED_PORT, LED_PIN);
+
+  // Button
+  Chip_GPIO_SetPinDIRInput(LPC_GPIO_PORT, BUTTON_PORT, BUTTON_PIN);
+
+  // USB: Setup PLL clock, and power
+  Chip_USB_Init();
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+#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
+
+void board_led_write(bool state)
+{
+  Chip_GPIO_SetPinState(LPC_GPIO_PORT, LED_PORT, LED_PIN, state);
+}
+
+uint32_t board_button_read(void)
+{
+  // active low
+  return Chip_GPIO_GetPinState(LPC_GPIO_PORT, BUTTON_PORT, BUTTON_PIN) ? 0 : 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;
+}