diff options
Diffstat (limited to 'tinyusb/hw/bsp/samd21/family.c')
-rwxr-xr-x | tinyusb/hw/bsp/samd21/family.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/tinyusb/hw/bsp/samd21/family.c b/tinyusb/hw/bsp/samd21/family.c deleted file mode 100755 index eb5b5586..00000000 --- a/tinyusb/hw/bsp/samd21/family.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * 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 "sam.h" -#include "bsp/board.h" -#include "board.h" - -#include "hal/include/hal_gpio.h" -#include "hal/include/hal_init.h" -#include "hri/hri_nvmctrl_d21.h" - -#include "hpl/gclk/hpl_gclk_base.h" -#include "hpl_pm_config.h" -#include "hpl/pm/hpl_pm_base.h" - -//--------------------------------------------------------------------+ -// Forward USB interrupt events to TinyUSB IRQ Handler -//--------------------------------------------------------------------+ -void USB_Handler(void) -{ - tud_int_handler(0); -} - -//--------------------------------------------------------------------+ -// MACRO TYPEDEF CONSTANT ENUM DECLARATION -//--------------------------------------------------------------------+ - -/* Referenced GCLKs, should be initialized firstly */ -#define _GCLK_INIT_1ST (1 << 0 | 1 << 1) - -/* Not referenced GCLKs, initialized last */ -#define _GCLK_INIT_LAST (~_GCLK_INIT_1ST) - -void board_init(void) -{ - // Clock init ( follow hpl_init.c ) - hri_nvmctrl_set_CTRLB_RWS_bf(NVMCTRL, 2); - - _pm_init(); - _sysctrl_init_sources(); -#if _GCLK_INIT_1ST - _gclk_init_generators_by_fref(_GCLK_INIT_1ST); -#endif - _sysctrl_init_referenced_generators(); - _gclk_init_generators_by_fref(_GCLK_INIT_LAST); - - // Update SystemCoreClock since it is hard coded with asf4 and not correct - // Init 1ms tick timer (samd SystemCoreClock may not correct) - SystemCoreClock = CONF_CPU_FREQUENCY; - SysTick_Config(CONF_CPU_FREQUENCY / 1000); - - // Led init - gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT); - board_led_write(false); - - // Button init - gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN); - gpio_set_pin_pull_mode(BUTTON_PIN, BUTTON_STATE_ACTIVE ? GPIO_PULL_DOWN : GPIO_PULL_UP); - -#if CFG_TUSB_OS == OPT_OS_FREERTOS - // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher ) - NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY); -#endif - - /* USB Clock init - * The USB module requires a GCLK_USB of 48 MHz ~ 0.25% clock - * for low speed and full speed operation. */ - _pm_enable_bus_clock(PM_BUS_APBB, USB); - _pm_enable_bus_clock(PM_BUS_AHB, USB); - _gclk_enable_channel(USB_GCLK_ID, GCLK_CLKCTRL_GEN_GCLK0_Val); - - // USB Pin Init - gpio_set_pin_direction(PIN_PA24, GPIO_DIRECTION_OUT); - gpio_set_pin_level(PIN_PA24, false); - gpio_set_pin_pull_mode(PIN_PA24, GPIO_PULL_OFF); - gpio_set_pin_direction(PIN_PA25, GPIO_DIRECTION_OUT); - gpio_set_pin_level(PIN_PA25, false); - gpio_set_pin_pull_mode(PIN_PA25, GPIO_PULL_OFF); - - gpio_set_pin_function(PIN_PA24, PINMUX_PA24G_USB_DM); - gpio_set_pin_function(PIN_PA25, PINMUX_PA25G_USB_DP); - - // Output 500hz PWM on D12 (PA19 - TCC0 WO[3]) so we can validate the GCLK0 clock speed with a Saleae. - _pm_enable_bus_clock(PM_BUS_APBC, TCC0); - TCC0->PER.bit.PER = 48000000 / 1000; - TCC0->CC[3].bit.CC = 48000000 / 2000; - TCC0->CTRLA.bit.ENABLE = true; - - gpio_set_pin_function(PIN_PA19, PINMUX_PA19F_TCC0_WO3); - _gclk_enable_channel(TCC0_GCLK_ID, GCLK_CLKCTRL_GEN_GCLK0_Val); -} - -//--------------------------------------------------------------------+ -// Board porting API -//--------------------------------------------------------------------+ - -void board_led_write(bool state) -{ - gpio_set_pin_level(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON)); -} - -uint32_t board_button_read(void) -{ - return BUTTON_STATE_ACTIVE == gpio_get_pin_level(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 |