187 lines
5.4 KiB
C
187 lines
5.4 KiB
C
/**************************************************************************/
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/*!
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@file board_ea4088qs.c
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2018, hathach (tinyusb.org)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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#ifdef BOARD_EA4088QS
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#include "../board.h"
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#include "tusb.h"
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#define LED_PORT 2
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#define LED_PIN 19
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//--------------------------------------------------------------------+
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// MACRO TYPEDEF CONSTANT ENUM DECLARATION
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//--------------------------------------------------------------------+
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/* System oscillator rate and RTC oscillator rate */
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const uint32_t OscRateIn = 12000000;
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const uint32_t RTCOscRateIn = 32768;
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/* Pin muxing configuration */
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static const PINMUX_GRP_T pinmuxing[] =
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{
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/* LEDs */
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{2, 19, (IOCON_FUNC0 | IOCON_MODE_INACT)},
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};
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static const PINMUX_GRP_T pin_usb_mux[] =
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{
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// USB1 as Host
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{0, 29, (IOCON_FUNC1 | IOCON_MODE_INACT)}, // D+1
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{0, 30, (IOCON_FUNC1 | IOCON_MODE_INACT)}, // D-1
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{1, 18, (IOCON_FUNC1 | IOCON_MODE_INACT)}, // UP LED1
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{1, 19, (IOCON_FUNC2 | IOCON_MODE_INACT)}, // PPWR1
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// {2, 14, (IOCON_FUNC2 | IOCON_MODE_INACT)}, // VBUS1
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// {2, 15, (IOCON_FUNC2 | IOCON_MODE_INACT)}, // OVRCR1
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// USB2 as Device
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{0, 31, (IOCON_FUNC1 | IOCON_MODE_INACT)}, // D+2
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{0, 13, (IOCON_FUNC1 | IOCON_MODE_INACT)}, // UP LED
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{0, 14, (IOCON_FUNC3 | IOCON_MODE_INACT)}, // CONNECT2
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/* VBUS is not connected on this board, so leave the pin at default setting. */
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/*Chip_IOCON_PinMux(LPC_IOCON, 1, 30, IOCON_MODE_INACT, IOCON_FUNC2);*/ /* USB VBUS */
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};
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// Invoked by startup code
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void SystemInit(void)
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{
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/* Enable IOCON clock */
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Chip_IOCON_SetPinMuxing(LPC_IOCON, pinmuxing, sizeof(pinmuxing) / sizeof(PINMUX_GRP_T));
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Chip_SetupXtalClocking();
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}
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void board_init(void)
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{
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SystemCoreClockUpdate();
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#if CFG_TUSB_OS == OPT_OS_NONE
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SysTick_Config(SystemCoreClock / BOARD_TICKS_HZ);
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#elif CFG_TUSB_OS == OPT_OS_FREERTOS
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// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
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NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
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#endif
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Chip_GPIO_Init(LPC_GPIO);
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//------------- LED -------------//
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Chip_GPIO_SetPinDIROutput(LPC_GPIO, LED_PORT, LED_PIN);
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//------------- BUTTON -------------//
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// for(uint8_t i=0; i<BOARD_BUTTON_COUNT; i++) GPIO_SetDir(buttons[i].port, BIT_(buttons[i].pin), 0);
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//------------- UART -------------//
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//------------- USB -------------//
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// Port1 as Host, Port2: Device
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Chip_USB_Init();
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enum {
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USBCLK = 0x1B // Host + Device + OTG + AHB
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};
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LPC_USB->OTGClkCtrl = USBCLK;
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while ( (LPC_USB->OTGClkSt & USBCLK) != USBCLK ) {}
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// USB1 = host, USB2 = device
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LPC_USB->StCtrl = 0x3;
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Chip_IOCON_SetPinMuxing(LPC_IOCON, pin_usb_mux, sizeof(pin_usb_mux) / sizeof(PINMUX_GRP_T));
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}
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//------------- LED -------------//
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void board_led_control(bool state)
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{
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Chip_GPIO_SetPinState(LPC_GPIO, LED_PORT, LED_PIN, state);
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}
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//------------- Buttons -------------//
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#if 0
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static bool button_read(uint8_t id)
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{
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// return !BIT_TEST_( GPIO_ReadValue(buttons[id].gpio_port), buttons[id].gpio_pin ); // button is active low
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}
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#endif
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uint32_t board_buttons(void)
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{
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uint32_t result = 0;
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// for(uint8_t i=0; i<BOARD_BUTTON_COUNT; i++) result |= (button_read(i) ? BIT_(i) : 0);
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return result;
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}
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//------------- UART -------------//
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uint8_t board_uart_getchar(void)
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{
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//return UART_ReceiveByte(BOARD_UART_PORT);
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return 0;
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}
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void board_uart_putchar(uint8_t c)
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{
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//UART_Send(BOARD_UART_PORT, &c, 1, BLOCKING);
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(void) c;
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}
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/*------------------------------------------------------------------*/
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/* TUSB HAL MILLISECOND
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*------------------------------------------------------------------*/
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#if CFG_TUSB_OS == OPT_OS_NONE
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volatile uint32_t system_ticks = 0;
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void SysTick_Handler (void)
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{
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system_ticks++;
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}
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uint32_t tusb_hal_millis(void)
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{
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return board_tick2ms(system_ticks);
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}
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#endif
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#endif
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