135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2020 Jerzy Kasenberg
|
|
*
|
|
* 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 "bsp/board.h"
|
|
#include <hal/hal_gpio.h>
|
|
#include <mcu/mcu.h>
|
|
|
|
//--------------------------------------------------------------------+
|
|
// Forward USB interrupt events to TinyUSB IRQ Handler
|
|
//--------------------------------------------------------------------+
|
|
void USB_IRQHandler(void)
|
|
{
|
|
tud_int_handler(0);
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// MACRO TYPEDEF CONSTANT ENUM
|
|
//--------------------------------------------------------------------+
|
|
|
|
#define LED_PIN 33 // P1.1
|
|
#define LED_STATE_ON 1
|
|
#define LED_STATE_OFF (1-LED_STATE_ON)
|
|
|
|
#define BUTTON_PIN 6
|
|
|
|
void UnhandledIRQ(void)
|
|
{
|
|
CRG_TOP->SYS_CTRL_REG = 0x80;
|
|
__BKPT(1);
|
|
while(1);
|
|
}
|
|
|
|
// DA146xx driver function that must be called whenever VBUS changes.
|
|
extern void tusb_vbus_changed(bool present);
|
|
|
|
void board_init(void)
|
|
{
|
|
// LED
|
|
hal_gpio_init_out(LED_PIN, LED_STATE_ON);
|
|
|
|
hal_gpio_init_out(1, 0);
|
|
hal_gpio_init_out(2, 0);
|
|
hal_gpio_init_out(3, 0);
|
|
hal_gpio_init_out(4, 0);
|
|
hal_gpio_init_out(5, 0);
|
|
|
|
// Button
|
|
hal_gpio_init_in(BUTTON_PIN, HAL_GPIO_PULL_DOWN);
|
|
|
|
// 1ms tick timer
|
|
SysTick_Config(SystemCoreClock / 1000);
|
|
|
|
#if CFG_TUD_ENABLED
|
|
// This board is USB powered there is no need to monitor
|
|
// VBUS line. Notify driver that VBUS is present.
|
|
tusb_vbus_changed(true);
|
|
|
|
/* Setup USB IRQ */
|
|
NVIC_SetPriority(USB_IRQn, 2);
|
|
NVIC_EnableIRQ(USB_IRQn);
|
|
|
|
/* Use PLL96 / 2 clock not HCLK */
|
|
CRG_TOP->CLK_CTRL_REG &= ~CRG_TOP_CLK_CTRL_REG_USB_CLK_SRC_Msk;
|
|
|
|
mcu_gpio_set_pin_function(14, MCU_GPIO_MODE_INPUT, MCU_GPIO_FUNC_USB);
|
|
mcu_gpio_set_pin_function(15, MCU_GPIO_MODE_INPUT, MCU_GPIO_FUNC_USB);
|
|
#endif
|
|
}
|
|
|
|
//--------------------------------------------------------------------+
|
|
// Board porting API
|
|
//--------------------------------------------------------------------+
|
|
|
|
void board_led_write(bool state)
|
|
{
|
|
hal_gpio_write(LED_PIN, state ? LED_STATE_ON : LED_STATE_OFF);
|
|
}
|
|
|
|
uint32_t board_button_read(void)
|
|
{
|
|
// button is active HIGH
|
|
return hal_gpio_read(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
|