77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/*!
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\file spi5_analog.h
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\brief header file of SPI5 for analog data acquisition
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\version 2026-03-09, V1.4.0, firmware for GD32H7xx
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*/
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/*
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Copyright (c) 2025, GigaDevice Semiconductor Inc.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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OF SUCH DAMAGE.
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*/
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#ifndef SPI5_ANALOG_H
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#define SPI5_ANALOG_H
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#include <stdint.h>
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/* SPI5引脚定义 for analog acquisition */
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#define SPI5_CS_PIN GPIO_PIN_12 // PG12 - 片选
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#define SPI5_SCK_PIN GPIO_PIN_13 // PG13 - 时钟
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#define SPI5_MISO_PIN GPIO_PIN_14 // PG14 - 数据输入
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#define SPI5_MOSI_PIN GPIO_PIN_6 // PA6 - 数据输出
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#define SPI5_CS_PORT GPIOG
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#define SPI5_SCK_PORT GPIOG
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#define SPI5_MISO_PORT GPIOG
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#define SPI5_MOSI_PORT GPIOA
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/* SPI5复用功能编号 */
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#define SPI5_AF GPIO_AF_5
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/* 本项目启用通道数 */
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#define ANALOG_MAX_CHANNELS 8
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/* 函数声明 */
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/* GPIO配置 */
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int adc_spi5_batVoltCurr_init(void);
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/* 完整初始化和去初始化 */
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int spi5_analog_init(void);
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void spi5_analog_deinit(void);
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/* 状态检查 */
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uint8_t spi5_analog_is_initialized(void);
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/* 基本读取操作 */
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uint16_t spi5_read_analog_raw(uint8_t channel);
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float spi5_read_analog_voltage(uint8_t channel);
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uint8_t spi5_read_all_channels(float *voltages, uint8_t max_channels);
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void spi5_analog_self_test(void);
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#endif /* SPI5_ANALOG_H */
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