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Embedead-Inside
embedded-cli
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bsp_uart.h
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/**
* @file bsp_uart.h
* @brief 組み込みCLI用 汎用低レイヤUARTハードウェア抽象化層(HAL)インターフェース
* @details 各種マイコン・FPGA環境で共通利用する非ブロッキング型UART制御の統一インターフェースを提供します。
*
* @copyright Copyright (c) 2026 Embedead-Inside
* @license SPDX-License-Identifier: MIT-0
*/
#ifndef BSP_UART_H
#define BSP_UART_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief ハードウェアUARTの低レイヤ初期化
* @details ターゲットペリフェラルの初期化を行います。
* BSPやブートローダ側で事前初期化される環境では空関数とすることも可能です。
*/
void uart_init(void);
/**
* @brief 1バイト送信(ポーリング・ブロッキング)
* @param[in] ch 送信するデータバイト
* @details 送信バッファが空くまで待機した後、1バイトを出力します。
*/
void uart_putchar(uint8_t ch);
/**
* @brief 1バイト受信(ノンブロッキング)
* @param[out] ch 受信データを格納する変数へのポインタ
* @return int データを受信した場合は1、データが存在しない場合は0を返します。
* @details CPU処理をブロックせずに受信バッファの状態を確認して1バイト読み込みます。
*/
int uart_getchar(uint8_t *ch);
#ifdef __cplusplus
}
#endif
#endif /* BSP_UART_H */
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