diff options
Diffstat (limited to 'tinyusb/hw/bsp/frdm_k32l2b/frdm_k32l2b.c')
m--------- | tinyusb | 0 | ||||
-rwxr-xr-x | tinyusb/hw/bsp/frdm_k32l2b/frdm_k32l2b.c | 140 |
2 files changed, 0 insertions, 140 deletions
diff --git a/tinyusb b/tinyusb new file mode 160000 +Subproject f8288be03f28ad7b944e6925f49422dfa39202c diff --git a/tinyusb/hw/bsp/frdm_k32l2b/frdm_k32l2b.c b/tinyusb/hw/bsp/frdm_k32l2b/frdm_k32l2b.c deleted file mode 100755 index c45095ca..00000000 --- a/tinyusb/hw/bsp/frdm_k32l2b/frdm_k32l2b.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2018, hathach (tinyusb.org) - * Copyright (c) 2020, Koji Kitayama - * - * 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 "../board.h" -#include "board.h" -#include "fsl_gpio.h" -#include "fsl_port.h" -#include "fsl_clock.h" -#include "fsl_lpuart.h" - -#include "clock_config.h" - -//--------------------------------------------------------------------+ -// Forward USB interrupt events to TinyUSB IRQ Handler -//--------------------------------------------------------------------+ -void USB0_IRQHandler(void) -{ - tud_int_handler(0); -} - -void board_init(void) -{ - /* Enable port clocks for UART/LED/Button pins */ - CLOCK_EnableClock(UART_PIN_CLOCK); - CLOCK_EnableClock(LED_PIN_CLOCK); - CLOCK_EnableClock(BUTTON_PIN_CLOCK); - - gpio_pin_config_t led_config = { kGPIO_DigitalOutput, 0 }; - GPIO_PinInit(LED_GPIO, LED_PIN, &led_config); - PORT_SetPinMux(LED_PORT, LED_PIN, kPORT_MuxAsGpio); - - gpio_pin_config_t button_config = { kGPIO_DigitalInput, 0 }; - GPIO_PinInit(BUTTON_GPIO, BUTTON_PIN, &button_config); - const port_pin_config_t BUTTON_CFG = { - kPORT_PullUp, - kPORT_FastSlewRate, - kPORT_PassiveFilterDisable, - kPORT_LowDriveStrength, - kPORT_MuxAsGpio - }; - PORT_SetPinConfig(BUTTON_PORT, BUTTON_PIN, &BUTTON_CFG); - - /* PORTA1 (pin 23) is configured as LPUART0_RX */ - PORT_SetPinMux(PORTA, 1U, kPORT_MuxAlt2); - /* PORTA2 (pin 24) is configured as LPUART0_TX */ - PORT_SetPinMux(PORTA, 2U, kPORT_MuxAlt2); - - SIM->SOPT5 = ((SIM->SOPT5 & - /* Mask bits to zero which are setting */ - (~(SIM_SOPT5_LPUART0TXSRC_MASK | SIM_SOPT5_LPUART0RXSRC_MASK))) - /* LPUART0 Transmit Data Source Select: LPUART0_TX pin. */ - | SIM_SOPT5_LPUART0TXSRC(SOPT5_LPUART0TXSRC_LPUART_TX) - /* LPUART0 Receive Data Source Select: LPUART_RX pin. */ - | SIM_SOPT5_LPUART0RXSRC(SOPT5_LPUART0RXSRC_LPUART_RX)); - - BOARD_BootClockRUN(); - SystemCoreClockUpdate(); - CLOCK_SetLpuart0Clock(1); - -#if CFG_TUSB_OS == OPT_OS_NONE - // 1ms tick timer - SysTick_Config(SystemCoreClock / 1000); -#elif CFG_TUSB_OS == OPT_OS_FREERTOS - // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher ) - NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY ); -#endif - - lpuart_config_t uart_config; - LPUART_GetDefaultConfig(&uart_config); - uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE; - uart_config.enableTx = true; - uart_config.enableRx = true; - LPUART_Init(UART_PORT, &uart_config, CLOCK_GetFreq(kCLOCK_McgIrc48MClk)); - - // USB - CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcIrc48M, 48000000U); -} - -//--------------------------------------------------------------------+ -// Board porting API -//--------------------------------------------------------------------+ - -void board_led_write(bool state) -{ - GPIO_PinWrite(LED_GPIO, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON)); -} - -uint32_t board_button_read(void) -{ - return BUTTON_STATE_ACTIVE == GPIO_PinRead(BUTTON_GPIO, BUTTON_PIN); -} - -int board_uart_read(uint8_t* buf, int len) -{ - LPUART_ReadBlocking(UART_PORT, buf, len); - return len; -} - -int board_uart_write(void const * buf, int len) -{ - LPUART_WriteBlocking(UART_PORT, (uint8_t*)buf, len); - return len; -} - -#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 |