newlib-cygwin/libgloss/xtensa/boards/esp32s3/include/soc/uart.h

25 lines
608 B
C

/*
* Copyright (C) 2023 Espressif Systems (Shanghai) CO LTD
* SPDX-License-Identifier: BSD-2-Clause
*/
#ifndef SOC_UART_H
#define SOC_UART_H
#include <soc/cpu.h>
#include <register_access.h>
#define UART0_BAUDRATE 115200
#define UART0_TX_ADDR 0x60000000
#define UART0_BASE 0x60000000
#define UART0_CLKDIV_REG (UART0_BASE + 0x14)
#define UART0_STATUS (UART0_BASE + 0x1c)
#define UART0_CLKDIV_VAL (CPU_FREQUENCY_HZ / UART0_BAUDRATE )
#define UART0_TXFIFO_CNT (((READ_REGISTER(UART0_STATUS)) >> 16) & 0x3ff)
void board_uart_write_char(char c);
#endif // SOC_UART_H