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
1597 changed files with 724159 additions and 0 deletions
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+/*!
+    \file    i2c.h
+    \brief   the header file of I2C
+
+    \version 2025-01-24, 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 I2C_H
+#define I2C_H
+
+
+#define I2C_SPEED       400000
+#define I2C_PAGE_SIZE   8
+#define I2CX            I2C1
+#define RCU_GPIO_I2C    RCU_GPIOF
+#define RCU_I2C         RCU_I2C1
+#define I2C_SCL_PORT    GPIOF
+#define I2C_SDA_PORT    GPIOF
+#define I2C_SCL_PIN     GPIO_PIN_1
+#define I2C_SDA_PIN     GPIO_PIN_0
+#define I2C_GPIO_AF     GPIO_AF_4
+
+/* function declarations */
+/* configure the GPIO ports */
+void gpio_config(void);
+/* configure the I2C interface */
+void i2c_config(void);
+/* reset I2C gpio configure */
+void i2c_gpio_reset(void);
+/* reset i2c bus */
+void i2c_bus_reset(void);
+
+#endif /* I2C_H */