diff options
Diffstat (limited to 'tinyusb/hw/bsp/nutiny_sdk_nuc505/nutiny_sdk_nuc505.c')
-rwxr-xr-x | tinyusb/hw/bsp/nutiny_sdk_nuc505/nutiny_sdk_nuc505.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/tinyusb/hw/bsp/nutiny_sdk_nuc505/nutiny_sdk_nuc505.c b/tinyusb/hw/bsp/nutiny_sdk_nuc505/nutiny_sdk_nuc505.c new file mode 100755 index 00000000..49e66d2d --- /dev/null +++ b/tinyusb/hw/bsp/nutiny_sdk_nuc505/nutiny_sdk_nuc505.c @@ -0,0 +1,129 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 Ha Thach (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 "bsp/board.h" +#include "NUC505Series.h" + +//--------------------------------------------------------------------+ +// Forward USB interrupt events to TinyUSB IRQ Handler +//--------------------------------------------------------------------+ +void USBD_IRQHandler(void) +{ + tud_int_handler(0); +} + +//--------------------------------------------------------------------+ +// MACRO TYPEDEF CONSTANT ENUM +//--------------------------------------------------------------------+ +#define LED_PORT PC +#define LED_PIN 3 +#define LED_STATE_ON 0 + +void board_init(void) +{ + /* Enable XTAL */ + CLK->PWRCTL |= CLK_PWRCTL_HXTEN_Msk; + + CLK_SetCoreClock(96000000); + + /* Set PCLK divider */ + CLK_SetModuleClock(PCLK_MODULE, 0, 1); + + /* Update System Core Clock */ + SystemCoreClockUpdate(); + + /* Enable USB IP clock */ + CLK_EnableModuleClock(USBD_MODULE); + + /* Select USB IP clock source */ + CLK_SetModuleClock(USBD_MODULE, CLK_USBD_SRC_EXT, 0); + + CLK_SetModuleClock(PCLK_MODULE, 0, 1); + + /* Enable PHY */ + USBD_ENABLE_PHY(); + /* wait PHY clock ready */ + while (1) { + USBD->EP[EPA].EPMPS = 0x20; + if (USBD->EP[EPA].EPMPS == 0x20) + break; + } + + /* Force SE0, and then clear it to connect*/ + USBD_SET_SE0(); + +#if CFG_TUSB_OS == OPT_OS_NONE + // 1ms tick timer + SysTick_Config(96000000 / 1000); +#endif + + GPIO_SetMode(LED_PORT, 1UL << LED_PIN, GPIO_MODE_OUTPUT); +} + +#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 + +//--------------------------------------------------------------------+ +// Board porting API +//--------------------------------------------------------------------+ + +void board_led_write(bool state) +{ + uint32_t current = (state) ? LED_STATE_ON : (1-LED_STATE_ON); + current <<= LED_PIN; + uint32_t irq_state = __get_PRIMASK(); + __disable_irq(); + current |= LED_PORT->DOUT & ~(1UL << LED_PIN); + LED_PORT->DOUT = current; + __set_PRIMASK(irq_state); +} + +uint32_t board_button_read(void) +{ + return 0; +} + +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; +} |