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