Initial commit: CCU621_M firmware project with BLE debug link support.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-08 17:28:36 +08:00
commit 9ceb218f80
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+/*!
+    \file    spi1_fixed.h
+    \brief   header file of SPI1 (Corrected Version)
+
+    \version 2026-03-09, V1.4.0, firmware for GD32H7xx
+*/
+
+/*
+    Copyright (c) 2025, GigaDevice Semiconductor Inc.
+
+    Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice, this
+       list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright notice,
+       this list of conditions and the following disclaimer in the documentation
+       and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holder nor the names of its contributors
+       may be used to endorse or promote products derived from this software without
+       specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+OF SUCH DAMAGE.
+*/
+
+#ifndef SPI1_FIXED_H
+#define SPI1_FIXED_H
+
+#include <stdint.h>
+
+/* SPI1引脚定义 */
+#define SPI1_NSS_PIN     GPIO_PIN_8   // PA8
+#define SPI1_SCK_PIN     GPIO_PIN_9   // PA9
+#define SPI1_MISO_PIN    GPIO_PIN_2   // PG2
+#define SPI1_MOSI_PIN    GPIO_PIN_3   // PG3
+
+#define SPI1_NSS_PORT    GPIOA
+#define SPI1_SCK_PORT    GPIOA
+#define SPI1_MISO_PORT   GPIOG
+#define SPI1_MOSI_PORT   GPIOG
+
+/* SPI1复用功能编号 */
+#define SPI1_AF          GPIO_AF_5
+
+/* 函数声明 */
+/* GPIO配置 */
+void spi1_gpio_config(void);
+
+/* SPI外设配置 */
+void spi1_config(void);
+
+/* 完整初始化和去初始化 */
+int spi1_init(void);
+void spi1_deinit(void);
+
+/* 状态检查 */
+uint8_t spi1_is_initialized(void);
+
+/* 数据传输函数 */
+void spi1_send_data(uint8_t data);
+uint8_t spi1_receive_data(void);
+uint8_t spi1_transmit_receive(uint8_t tx_data);
+
+/* 缓冲区操作 */
+int spi1_send_buffer(uint8_t *data, uint16_t size);
+int spi1_receive_buffer(uint8_t *data, uint16_t size);
+
+/* 片选控制 */
+void spi1_nss_control(uint8_t enable);
+
+/* 中断处理 */
+void spi1_irq_handler(void);
+
+#endif /* SPI1_FIXED_H */