106 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			106 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /* 
 | ||
|  |  * The MIT License (MIT) | ||
|  |  * | ||
|  |  * Copyright 2019 Sony Semiconductor Solutions Corporation | ||
|  |  * | ||
|  |  * 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 <sys/boardctl.h>
 | ||
|  | #include <nuttx/arch.h>
 | ||
|  | #include <arch/board/board.h>
 | ||
|  | #include <arch/chip/pin.h>
 | ||
|  | 
 | ||
|  | #include "bsp/board.h"
 | ||
|  | 
 | ||
|  | /*------------------------------------------------------------------*/ | ||
|  | /* MACRO TYPEDEF CONSTANT ENUM
 | ||
|  |  *------------------------------------------------------------------*/ | ||
|  | #define LED_PIN         PIN_I2S1_BCK
 | ||
|  | 
 | ||
|  | #define BUTTON_PIN      PIN_HIF_IRQ_OUT
 | ||
|  | 
 | ||
|  | // Initialize on-board peripherals : led, button, uart and USB
 | ||
|  | void board_init(void) | ||
|  | { | ||
|  |   boardctl(BOARDIOC_INIT, 0); | ||
|  | 
 | ||
|  |   board_gpio_write(PIN_I2S1_BCK, -1); | ||
|  |   board_gpio_config(PIN_I2S1_BCK, 0, false, true, PIN_FLOAT); | ||
|  | 
 | ||
|  |   board_gpio_write(PIN_HIF_IRQ_OUT, -1); | ||
|  |   board_gpio_config(PIN_HIF_IRQ_OUT, 0, true, true, PIN_FLOAT); | ||
|  | }; | ||
|  | 
 | ||
|  | //--------------------------------------------------------------------+
 | ||
|  | // Board porting API
 | ||
|  | //--------------------------------------------------------------------+
 | ||
|  | 
 | ||
|  | // Turn LED on or off
 | ||
|  | void board_led_write(bool state) | ||
|  | { | ||
|  |   board_gpio_write(LED_PIN, state); | ||
|  | } | ||
|  | 
 | ||
|  | // Get the current state of button
 | ||
|  | // a '1' means active (pressed), a '0' means inactive.
 | ||
|  | uint32_t board_button_read(void) | ||
|  | { | ||
|  |   if (board_gpio_read(BUTTON_PIN))  | ||
|  |   { | ||
|  |     return 0; | ||
|  |   } | ||
|  | 
 | ||
|  |   return 1; | ||
|  | } | ||
|  | 
 | ||
|  | // Get characters from UART
 | ||
|  | int board_uart_read(uint8_t *buf, int len) | ||
|  | { | ||
|  |   int r = read(0, buf, len); | ||
|  | 
 | ||
|  |   return r; | ||
|  | } | ||
|  | 
 | ||
|  | // Send characters to UART
 | ||
|  | int board_uart_write(void const *buf, int len) | ||
|  | { | ||
|  |   int r = write(1, buf, len); | ||
|  | 
 | ||
|  |   return r; | ||
|  | } | ||
|  | 
 | ||
|  | // Get current milliseconds
 | ||
|  | uint32_t board_millis(void) | ||
|  | { | ||
|  |   struct timespec tp; | ||
|  | 
 | ||
|  |     /* Wait until RTC is available */ | ||
|  |     while (g_rtc_enabled == false); | ||
|  | 
 | ||
|  |     if (clock_gettime(CLOCK_MONOTONIC, &tp))  | ||
|  |     { | ||
|  |         return 0; | ||
|  |     } | ||
|  | 
 | ||
|  |     return (((uint64_t)tp.tv_sec) * 1000 + tp.tv_nsec / 1000000); | ||
|  | } |