add cmake to lpc51

hw/bsp/lpc51/family.c

@@ -0,0 +1,141 @@
+/*
+ * 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 "fsl_device_registers.h"
+#include "fsl_gpio.h"
+#include "fsl_power.h"
+#include "fsl_iocon.h"
+
+#include "bsp/board_api.h"
+#include "board.h"
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void USB0_IRQHandler(void) {
+  tud_int_handler(0);
+}
+
+void board_init(void) {
+  // Enable IOCON clock
+  CLOCK_EnableClock(kCLOCK_Iocon);
+
+  // Enable GPIO0 clock
+  CLOCK_EnableClock(kCLOCK_Gpio0);
+
+  // Init 96 MHz clock
+  BootClockFROHF96M();
+
+#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
+
+  GPIO_PortInit(GPIO, LED_PORT);
+  GPIO_PortInit(GPIO, BUTTON_PORT);
+
+  // LED
+  gpio_pin_config_t const led_config = {kGPIO_DigitalOutput, 0};
+  GPIO_PinInit(GPIO, LED_PORT, LED_PIN, &led_config);
+  board_led_write(true);
+
+  // Button
+  gpio_pin_config_t const button_config = {kGPIO_DigitalInput, 0};
+  GPIO_PinInit(GPIO, BUTTON_PORT, BUTTON_PIN, &button_config);
+
+  // USB
+  const uint32_t port1_pin6_config = (
+      IOCON_PIO_FUNC7       | /* Pin is configured as USB0_VBUS */
+      IOCON_PIO_MODE_INACT  | /* No addition pin function */
+      IOCON_PIO_INV_DI      | /* Input function is not inverted */
+      IOCON_PIO_DIGITAL_EN  | /* Enables digital function */
+      IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
+      IOCON_PIO_OPENDRAIN_DI  /* Open drain is disabled */
+  );
+  IOCON_PinMuxSet(IOCON, 1, 6, port1_pin6_config); /* PORT1 PIN6 (coords: 26) is configured as USB0_VBUS */
+
+  POWER_DisablePD(kPDRUNCFG_PD_USB0_PHY); /*Turn on USB Phy */
+  CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcFro, CLOCK_GetFreq(kCLOCK_FroHf)); /* enable USB IP clock */
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state) {
+  GPIO_PinWrite(GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1 - LED_STATE_ON));
+}
+
+uint32_t board_button_read(void) {
+  // active low
+  return 1 - 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) {
+  (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
+
+#ifndef __ICCARM__
+// Implement _start() since we use linker flag '-nostartfiles'.
+// Requires defined __STARTUP_CLEAR_BSS,
+extern int main(void);
+
+TU_ATTR_UNUSED void _start(void) {
+  // called by startup code
+  main();
+  while (1) {}
+}
+
+#ifdef __clang__
+void	_exit (int __status) {
+  while (1) {}
+}
+#endif
+
+#endif