diff options
Diffstat (limited to 'tinyusb/hw/bsp/lpcxpresso51u68/lpcxpresso51u68.c')
| -rwxr-xr-x | tinyusb/hw/bsp/lpcxpresso51u68/lpcxpresso51u68.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/tinyusb/hw/bsp/lpcxpresso51u68/lpcxpresso51u68.c b/tinyusb/hw/bsp/lpcxpresso51u68/lpcxpresso51u68.c deleted file mode 100755 index 6bade774..00000000 --- a/tinyusb/hw/bsp/lpcxpresso51u68/lpcxpresso51u68.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * 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 "../board.h" -#include "fsl_device_registers.h" -#include "fsl_gpio.h" -#include "fsl_power.h" -#include "fsl_iocon.h" - -//--------------------------------------------------------------------+ -// Forward USB interrupt events to TinyUSB IRQ Handler -//--------------------------------------------------------------------+ -void USB0_IRQHandler(void) -{ - tud_int_handler(0); -} - -//--------------------------------------------------------------------+ -// MACRO TYPEDEF CONSTANT ENUM -//--------------------------------------------------------------------+ -#define LED_PORT 0 -#define LED_PIN 29 -#define LED_STATE_ON 0 - -// WAKE button -#define BUTTON_PORT 0 -#define BUTTON_PIN 24 - -// IOCON pin mux -#define IOCON_PIO_DIGITAL_EN 0x80u /*!< Enables digital function */ -#define IOCON_PIO_FUNC1 0x01u /*!< Selects pin function 1 */ -#define IOCON_PIO_FUNC7 0x07u /*!< Selects pin function 7 */ -#define IOCON_PIO_INPFILT_OFF 0x0100u /*!< Input filter disabled */ -#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 */ - -/**************************************************************** -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_FRO_EN); /*!< Ensure FRO is on */ - 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 */ - 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 */ - - CLOCK_SetupFROClocking(96000000U); /*!< Set up high frequency FRO output to selected frequency */ - - /*!< Set up dividers */ - CLOCK_SetClkDiv(kCLOCK_DivAhbClk, 1U, false); /*!< Set AHBCLKDIV divider to value 1 */ - CLOCK_SetClkDiv(kCLOCK_DivSystickClk, 0U, true); /*!< Reset SYSTICKCLKDIV divider counter and halt it */ - CLOCK_SetClkDiv(kCLOCK_DivSystickClk, 1U, false); /*!< Set SYSTICKCLKDIV 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); - - // 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 |