diff options
Diffstat (limited to 'tinyusb/hw/bsp/da14695_dk_usb/da14695_dk_usb.c')
-rwxr-xr-x | tinyusb/hw/bsp/da14695_dk_usb/da14695_dk_usb.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/tinyusb/hw/bsp/da14695_dk_usb/da14695_dk_usb.c b/tinyusb/hw/bsp/da14695_dk_usb/da14695_dk_usb.c new file mode 100755 index 00000000..e7c7ae36 --- /dev/null +++ b/tinyusb/hw/bsp/da14695_dk_usb/da14695_dk_usb.c @@ -0,0 +1,127 @@ +/* + * 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); +} + +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_NONE); + + // 1ms tick timer + SysTick_Config(SystemCoreClock / 1000); + + NVIC_SetPriority(USB_IRQn, 2); + + /* 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); +} + +//--------------------------------------------------------------------+ +// 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 LOW + return hal_gpio_read(BUTTON_PIN) ^ 1; +} + +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 |