esp32-s2_dfu/hw/bsp/spresense/board_spresense.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);
}