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-/*
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- * The MIT License (MIT)
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- *
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- * Copyright (c) 2019 Ha Thach (tinyusb.org)
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- *
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- * Permission is hereby granted, free of charge, to any person obtaining a copy
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- * of this software and associated documentation files (the "Software"), to deal
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- * in the Software without restriction, including without limitation the rights
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- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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- * copies of the Software, and to permit persons to whom the Software is
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- * furnished to do so, subject to the following conditions:
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- *
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- * The above copyright notice and this permission notice shall be included in
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- * all copies or substantial portions of the Software.
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- *
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- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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- * THE SOFTWARE.
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- *
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- * This file is part of the TinyUSB stack.
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- */
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-
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-#include "sam.h"
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-#include "bsp/board.h"
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-#include "board.h"
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-
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-#include "hal/include/hal_gpio.h"
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-#include "hal/include/hal_init.h"
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-#include "hpl/gclk/hpl_gclk_base.h"
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-#include "hpl_mclk_config.h"
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-
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-//--------------------------------------------------------------------+
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-// Forward USB interrupt events to TinyUSB IRQ Handler
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-//--------------------------------------------------------------------+
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-void USB_Handler(void)
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-{
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- tud_int_handler(0);
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-}
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-
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-//--------------------------------------------------------------------+
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-// MACRO TYPEDEF CONSTANT ENUM DECLARATION
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-//--------------------------------------------------------------------+
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-
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-/* Referenced GCLKs (out of 0~4), should be initialized firstly */
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-#define _GCLK_INIT_1ST 0x00000000
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-/* Not referenced GCLKs, initialized last */
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-#define _GCLK_INIT_LAST 0x0000001F
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-
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-void board_init(void)
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-{
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- // Clock init ( follow hpl_init.c )
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- hri_nvmctrl_set_CTRLB_RWS_bf(NVMCTRL, CONF_NVM_WAIT_STATE);
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-
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- _set_performance_level(2);
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-
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- _osc32kctrl_init_sources();
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- _oscctrl_init_sources();
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- _mclk_init();
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-#if _GCLK_INIT_1ST
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- _gclk_init_generators_by_fref(_GCLK_INIT_1ST);
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-#endif
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- _oscctrl_init_referenced_generators();
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- _gclk_init_generators_by_fref(_GCLK_INIT_LAST);
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-
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-#if (CONF_PORT_EVCTRL_PORT_0 | CONF_PORT_EVCTRL_PORT_1 | CONF_PORT_EVCTRL_PORT_2 | CONF_PORT_EVCTRL_PORT_3)
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- hri_port_set_EVCTRL_reg(PORT, 0, CONF_PORTA_EVCTRL);
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- hri_port_set_EVCTRL_reg(PORT, 1, CONF_PORTB_EVCTRL);
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-#endif
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-
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- // Update SystemCoreClock since it is hard coded with asf4 and not correct
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- // Init 1ms tick timer (samd SystemCoreClock may not correct)
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- SystemCoreClock = CONF_CPU_FREQUENCY;
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- SysTick_Config(CONF_CPU_FREQUENCY / 1000);
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-
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- // Led init
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- gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
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- gpio_set_pin_level(LED_PIN, !LED_STATE_ON);
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-
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- // Button init
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- gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
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- gpio_set_pin_pull_mode(BUTTON_PIN, BUTTON_STATE_ACTIVE ? GPIO_PULL_DOWN : GPIO_PULL_UP);
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-
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-#if 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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-
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- /* USB Clock init
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- * The USB module requires a GCLK_USB of 48 MHz ~ 0.25% clock
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- * for low speed and full speed operation. */
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- hri_gclk_write_PCHCTRL_reg(GCLK, USB_GCLK_ID, GCLK_PCHCTRL_GEN_GCLK1_Val | GCLK_PCHCTRL_CHEN);
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- hri_mclk_set_AHBMASK_USB_bit(MCLK);
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- hri_mclk_set_APBBMASK_USB_bit(MCLK);
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-
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- // USB Pin Init
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- gpio_set_pin_direction(PIN_PA24, GPIO_DIRECTION_OUT);
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- gpio_set_pin_level(PIN_PA24, false);
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- gpio_set_pin_pull_mode(PIN_PA24, GPIO_PULL_OFF);
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- gpio_set_pin_direction(PIN_PA25, GPIO_DIRECTION_OUT);
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- gpio_set_pin_level(PIN_PA25, false);
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- gpio_set_pin_pull_mode(PIN_PA25, GPIO_PULL_OFF);
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-
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- gpio_set_pin_function(PIN_PA24, PINMUX_PA24G_USB_DM);
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- gpio_set_pin_function(PIN_PA25, PINMUX_PA25G_USB_DP);
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-
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- // Output 500hz PWM on PB23 (TCC0 WO[3]) so we can validate the GCLK1 clock speed
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- hri_mclk_set_APBCMASK_TCC0_bit(MCLK);
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- TCC0->PER.bit.PER = 48000000 / 1000;
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- TCC0->CC[3].bit.CC = 48000000 / 2000;
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- TCC0->CTRLA.bit.ENABLE = true;
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-
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- gpio_set_pin_function(PIN_PA19, PINMUX_PA19F_TCC0_WO3);
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- hri_gclk_write_PCHCTRL_reg(GCLK, TCC0_GCLK_ID, GCLK_PCHCTRL_GEN_GCLK1_Val | GCLK_PCHCTRL_CHEN);
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-}
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-
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-//--------------------------------------------------------------------+
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-// Board porting API
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-//--------------------------------------------------------------------+
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-
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-void board_led_write(bool state)
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-{
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- gpio_set_pin_level(LED_PIN, state);
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-}
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-
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-uint32_t board_button_read(void)
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-{
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- // button is active low
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- return gpio_get_pin_level(BUTTON_PIN) ? 0 : 1;
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-}
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-
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-int board_uart_read(uint8_t* buf, int len)
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-{
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- (void) buf; (void) len;
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- return 0;
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-}
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-
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-int board_uart_write(void const * buf, int len)
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-{
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- (void) buf; (void) len;
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- return 0;
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-}
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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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-
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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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-
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-uint32_t board_millis(void)
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-{
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- return system_ticks;
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-}
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-#endif
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-void _init(void)
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-{
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-
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-}
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hathach