148 lines
3.9 KiB
C
148 lines
3.9 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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*/
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/** \ingroup group_demo
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* \defgroup group_board Boards Abstraction Layer
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* @{ */
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#ifndef _BSP_BOARD_H_
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#define _BSP_BOARD_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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#include "ansi_escape.h"
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#include "tusb.h"
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#define CFG_BOARD_UART_BAUDRATE 115200
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//--------------------------------------------------------------------+
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// Board Porting API
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// For simplicity, only one LED and one Button are used
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//--------------------------------------------------------------------+
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// Initialize on-board peripherals : led, button, uart and USB
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void board_init(void);
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// Turn LED on or off
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void board_led_write(bool state);
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// Control led pattern using phase duration in ms.
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// For each phase, LED is toggle then repeated, board_led_task() is required to be called
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//void board_led_pattern(uint32_t const phase_ms[], uint8_t count);
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// Get the current state of button
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// a '1' means active (pressed), a '0' means inactive.
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uint32_t board_button_read(void);
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// Get characters from UART
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int board_uart_read(uint8_t* buf, int len);
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// Send characters to UART
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int board_uart_write(void const * buf, int len);
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#if CFG_TUSB_OS == OPT_OS_NONE
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// Get current milliseconds, must be implemented when no RTOS is used
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uint32_t board_millis(void);
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#elif CFG_TUSB_OS == OPT_OS_FREERTOS
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static inline uint32_t board_millis(void)
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{
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return ( ( ((uint64_t) xTaskGetTickCount()) * 1000) / configTICK_RATE_HZ );
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}
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#elif CFG_TUSB_OS == OPT_OS_MYNEWT
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static inline uint32_t board_millis(void)
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{
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return os_time_ticks_to_ms32( os_time_get() );
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}
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#elif CFG_TUSB_OS == OPT_OS_PICO
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#include "pico/time.h"
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static inline uint32_t board_millis(void)
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{
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return to_ms_since_boot(get_absolute_time());
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}
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#elif CFG_TUSB_OS == OPT_OS_RTTHREAD
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static inline uint32_t board_millis(void)
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{
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return (((uint64_t)rt_tick_get()) * 1000 / RT_TICK_PER_SECOND);
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}
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#else
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#error "board_millis() is not implemented for this OS"
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#endif
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//--------------------------------------------------------------------+
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// Helper functions
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//--------------------------------------------------------------------+
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static inline void board_led_on(void)
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{
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board_led_write(true);
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}
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static inline void board_led_off(void)
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{
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board_led_write(false);
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}
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// TODO remove
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static inline void board_delay(uint32_t ms)
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{
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uint32_t start_ms = board_millis();
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while (board_millis() - start_ms < ms)
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{
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#if CFG_TUD_ENABLED
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// take chance to run usb background
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tud_task();
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#endif
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}
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}
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static inline int board_uart_getchar(void)
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{
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uint8_t c;
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return board_uart_read(&c, 1) ? (int) c : (-1);
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}
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static inline int board_uart_putchar(uint8_t c)
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{
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return board_uart_write(&c, 1);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* _BSP_BOARD_H_ */
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/** @} */
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