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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+#include "spi_if.h"
+#include <gd32h7xx_spi.h>
+#include <gd32h7xx_gpio.h>
+
+
+
+/*!
+    \brief      SPIx发送数据 (私有函数)
+    \param[in]  spi_periph: SPIx(x=0,1,2,3,4,5)
+    \param[in]  data: 要发送的数据(uint8_t，一次发送1个字节！！)
+    \param[out] none
+    \retval     none
+*/
+void spi_transmit_byte(uint32_t spi_periph, uint8_t data)
+{
+    /* 等待发送缓冲区有空间 */
+    while(RESET == spi_i2s_flag_get(spi_periph, SPI_FLAG_TP));
+    
+    /* 发送数据 */
+    spi_i2s_data_transmit(spi_periph, data);
+}
+
+/*!
+    \brief      SPIx接收数据 (私有函数)
+    \param[in]  spi_periph: SPIx(x=0,1,2,3,4,5)
+    \param[in]  none
+    \param[out] none
+    \retval     接收到的数据（uint8_t 一次接收1个字节）
+*/
+uint8_t spi_receive_byte(uint32_t spi_periph)
+{
+    /* 等待接收缓冲区非空 */
+    while(RESET == spi_i2s_flag_get(spi_periph, SPI_FLAG_RP));
+    
+    /* 接收数据 */
+    return (uint8_t)spi_i2s_data_receive(spi_periph);
+}
+
+/*!
+    \brief      SPIx发送接收数据 (私有函数)
+    \param[in]  spi_periph: SPIx(x=0,1,2,3,4,5)
+    \param[in]  tx_data: 要发送的数据
+    \param[out] none
+    \retval     接收到的数据
+*/
+uint8_t spi_transmit_receive_byte(uint32_t spi_periph, uint8_t tx_data)
+{
+    /* 等待发送缓冲区有空间 */
+    while(RESET == spi_i2s_flag_get(spi_periph, SPI_FLAG_TP));
+    
+    /* 发送数据 */
+    spi_i2s_data_transmit(spi_periph, tx_data);
+    
+    /* 等待接收缓冲区非空 */
+    while(RESET == spi_i2s_flag_get(spi_periph, SPI_FLAG_RP));
+    
+    /* 接收数据 */
+    return (uint8_t)spi_i2s_data_receive(spi_periph);
+}
+
+/*!
+    \brief      控制SPI设备的片选引脚
+    \param[in]  dev: SPI设备结构体指针
+    \param[in]  enable: 1-选中设备, 0-取消选中
+    \param[out] none
+    \retval     none
+*/
+void spi_cs_control(spi_dev_t *dev, uint8_t enable)
+{
+    if (dev && dev->csPort) {
+        if (enable) {
+            /* 拉低片选引脚，选中设备 */
+            gpio_bit_reset((uint32_t)dev->csPort, dev->csPin);
+        } else {
+            /* 拉高片选引脚，取消选中设备 */
+            gpio_bit_set((uint32_t)dev->csPort, dev->csPin);
+        }
+    }
+}
+
+/*!
+    \brief      控制SPI设备的复位引脚
+    \param[in]  dev: SPI设备结构体指针
+    \param[in]  enable: 1-复位, 0-正常
+    \param[out] none
+    \retval     none
+*/
+void spi_rst_control(spi_dev_t *dev, uint8_t enable)
+{
+    if (dev && dev->rstPort) {
+        if (enable) {
+            /* 拉低复位引脚，复位设备 */
+            gpio_bit_reset((uint32_t)dev->rstPort, dev->rstPin);
+        } else {
+            /* 拉高复位引脚，设备正常工作 */
+            gpio_bit_set((uint32_t)dev->rstPort, dev->rstPin);
+        }
+    }
+}
+
+/*!
+    \brief      初始化SPI设备
+    \param[in]  dev: SPI设备结构体指针
+    \param[in]  spi_periph: SPI外设
+    \param[in]  csPort: 片选GPIO端口
+    \param[in]  csPin: 片选GPIO引脚
+    \param[in]  rstPort: 复位GPIO端口
+    \param[in]  rstPin: 复位GPIO引脚
+    \param[out] none
+    \retval     0: 成功, -1: 失败
+*/
+int spi_init_dev(spi_dev_t *dev, uint32_t spi_periph, uint32_t csPort, uint16_t csPin, uint32_t rstPort, uint16_t rstPin)
+{
+    if (!dev) {
+        return -1;
+    }
+    
+    /* 初始化设备结构体 */
+    dev->spi = spi_periph;
+    dev->csPort = csPort;
+    dev->csPin = csPin;
+    dev->rstPort = rstPort;
+    dev->rstPin = rstPin;
+    dev->initialized = 1;
+    
+    return 0;
+}
+
+/*!
+    \brief      去初始化SPI设备
+    \param[in]  dev: SPI设备结构体指针
+    \param[out] none
+    \retval     0: 成功, -1: 失败
+*/
+int spi_deinit_dev(spi_dev_t *dev)
+{
+    if (!dev || !dev->initialized) {
+        return -1;
+    }
+    
+    dev->initialized = 0;
+    return 0;
+}
+
+