初始版本

2026-04-23 13:49:53 +08:00
parent c1d6ebd38c
commit ac718a463a
257 changed files with 265681 additions and 0 deletions
@@ -0,0 +1,71 @@
+#include "hdl_spi4.h"
+
+void hdl_spi4_init(void)
+{
+	stc_spi_init_t stcSpiInit;
+    stc_gpio_init_t stcGpioInit;
+	
+	LL_PERIPH_WE(LL_PERIPH_GPIO | LL_PERIPH_EFM | LL_PERIPH_FCG | LL_PERIPH_PWC_CLK_RMU | LL_PERIPH_SRAM);
+
+	/* 配置SPI引脚 */
+	(void)GPIO_StructInit(&stcGpioInit);
+    stcGpioInit.u16PinDrv = PIN_HIGH_DRV;
+
+    stcGpioInit.u16PinDrv       = PIN_HIGH_DRV;
+ 
+    (void)GPIO_Init(SPI4_SCLK_PORT, SPI4_SCLK_PIN, &stcGpioInit);
+    (void)GPIO_Init(SPI4_MOSI_PORT, SPI4_MOSI_PIN, &stcGpioInit);
+    (void)GPIO_Init(SPI4_MISO_PORT, SPI4_MISO_PIN, &stcGpioInit);
+
+	GPIO_SetFunc(SPI4_SCLK_PORT,    SPI4_SCLK_PIN, SPI4_SCLK_FUNC);
+    GPIO_SetFunc(SPI4_MOSI_PORT,    SPI4_MOSI_PIN, SPI4_MOSI_FUNC);
+    GPIO_SetFunc(SPI4_MISO_PORT,    SPI4_MISO_PIN, SPI4_MISO_FUNC);
+	
+	/* 配置SPI参数 */
+	SPI_StructInit(&stcSpiInit);
+
+    FCG_Fcg1PeriphClockCmd(SPI4_CLOCK, ENABLE);
+    
+    stcSpiInit.u32WireMode          = SPI_3_WIRE;			//3线SPI
+    stcSpiInit.u32TransMode         = SPI_FULL_DUPLEX;		//全双工
+    stcSpiInit.u32MasterSlave       = SPI_MASTER;			//主机
+	stcSpiInit.u32ModeFaultDetect   = SPI_MD_FAULT_DETECT_DISABLE;	// 禁用模式故障检测
+    stcSpiInit.u32Parity            = SPI_PARITY_INVD;		//无奇偶校验
+    stcSpiInit.u32SpiMode           = SPI_MD_3;				//SPI模式3
+    stcSpiInit.u32BaudRatePrescaler = SPI_BR_CLK_DIV64;	//预分频
+    stcSpiInit.u32DataBits          = SPI_DATA_SIZE_8BIT;	//数据宽度
+    stcSpiInit.u32FirstBit          = SPI_FIRST_MSB;		//MSB高位有效	
+    (void)SPI_Init(SPI4_INSTANCE, &stcSpiInit);
+    SPI_Cmd(SPI4_INSTANCE, ENABLE);
+	
+	LL_PERIPH_WP(LL_PERIPH_EFM | LL_PERIPH_FCG | LL_PERIPH_SRAM);
+	
+}
+
+uint8_t hdl_spi4_txrx(uint8_t w_data)
+{
+	uint8_t r_data = 0;
+	uint16_t retry = 0;
+	
+	while (RESET == SPI_GetStatus(SPI4_INSTANCE, SPI_FLAG_TX_BUF_EMPTY))
+	{
+		retry++;
+		if(retry > 200)
+		{
+			return 0;
+		}
+	}
+    SPI_WriteData(SPI4_INSTANCE, (uint32_t)w_data);
+	
+    while (RESET == SPI_GetStatus(SPI4_INSTANCE, SPI_FLAG_RX_BUF_FULL))
+	{
+		retry++;
+		if(retry > 200)
+		{
+			return 0;
+		}
+	}
+    r_data = SPI_ReadData(SPI4_INSTANCE);
+		
+    return r_data;
+}