[bsp/ls1cdev]

1、uart驱动重写，采用uart驱动框架
2、添加并修改勤为本ls1c_uart
3、开启main为用户程序入口，删除application.c和startup.c,并对初始化部分做相应调整更新。
4、开启dhcp

1 files changed, 180 insertions, 0 deletions

diff --git a/bsp/ls1cdev/libraries/ls1c_uart.h b/bsp/ls1cdev/libraries/ls1c_uart.h
new file mode 100644
index 0000000000..7d63033684
--- /dev/null
+++ b/bsp/ls1cdev/libraries/ls1c_uart.h
@@ -0,0 +1,180 @@
+// 串口相关头文件
+
+
+#ifndef __OPENLOONGSON_UART_H
+#define __OPENLOONGSON_UART_H
+
+
+#include "ls1c_public.h"
+
+
+// 串口各寄存器相对基地址的偏移
+#define LS1C_UART_DAT_OFFSET            (0)
+#define LS1C_UART_IER_OFFSET            (1)
+#define LS1C_UART_IIR_OFFSET            (2)
+#define LS1C_UART_FCR_OFFSET            (2)
+#define LS1C_UART_LCR_OFFSET            (3)
+#define LS1C_UART_MCR_OFFSET            (4)
+#define LS1C_UART_LSR_OFFSET            (5)
+#define LS1C_UART_MSR_OFFSET            (6)
+
+#define LS1C_UART_LSB_OFFSET            (0)     // 分频锁存器1
+#define LS1C_UART_MSB_OFFSET            (1)     // 分频锁存器2
+
+/* interrupt enable register */
+#define	IER_IRxE	0x1	/* 接收有效数据中断使能 */
+#define	IER_ITxE	0x2	/* 传输保存寄存器为空中断使能 */
+#define	IER_ILE	    0x4	/* 接收器线路状态中断使能 */
+#define	IER_IME	    0x8	/* Modem状态中断使能 */
+
+/* interrupt identification register */
+#define	IIR_IMASK	0xf	/* mask */
+#define	IIR_RXTOUT	0xc	/* receive timeout */
+#define	IIR_RLS		0x6	/* receive line status */
+#define	IIR_RXRDY	0x4	/* receive ready */
+#define	IIR_TXRDY	0x2	/* transmit ready */
+#define	IIR_NOPEND	0x1	/* nothing */
+#define	IIR_MLSC	0x0	/* modem status */
+#define	IIR_FIFO_MASK	0xc0	/* set if FIFOs are enabled */
+
+/* fifo control register */
+#define	FIFO_ENABLE	0x01	/* enable fifo */
+#define	FIFO_RCV_RST	0x02	/* reset receive fifo */
+#define	FIFO_XMT_RST	0x04	/* reset transmit fifo */
+#define	FIFO_DMA_MODE	0x08	/* enable dma mode */
+#define	FIFO_TRIGGER_1	0x00	/* trigger at 1 char */
+#define	FIFO_TRIGGER_4	0x40	/* trigger at 4 chars */
+#define	FIFO_TRIGGER_8	0x80	/* trigger at 8 chars */
+#define	FIFO_TRIGGER_14	0xc0	/* trigger at 14 chars */
+
+// 线路控制寄存器
+/* character format control register */
+#define	CFCR_DLAB	0x80	/* divisor latch */
+#define	CFCR_SBREAK	0x40	/* send break */
+#define	CFCR_PZERO	0x30	/* zero parity */
+#define	CFCR_PONE	0x20	/* one parity */
+#define	CFCR_PEVEN	0x10	/* even parity */
+#define	CFCR_PODD	0x00	/* odd parity */
+#define	CFCR_PENAB	0x08	/* parity enable */
+#define	CFCR_STOPB	0x04	/* 2 stop bits */
+#define	CFCR_8BITS	0x03	/* 8 data bits */
+#define	CFCR_7BITS	0x02	/* 7 data bits */
+#define	CFCR_6BITS	0x01	/* 6 data bits */
+#define	CFCR_5BITS	0x00	/* 5 data bits */
+
+/* modem control register */
+#define	MCR_LOOPBACK	0x10	/* loopback */
+#define	MCR_IENABLE	0x08	/* output 2 = int enable */
+#define	MCR_DRS		0x04	/* output 1 = xxx */
+#define	MCR_RTS		0x02	/* enable RTS */
+#define	MCR_DTR		0x01	/* enable DTR */
+
+/* line status register */
+#define	LSR_RCV_FIFO	0x80	/* error in receive fifo */
+#define	LSR_TSRE	0x40	/* transmitter empty */
+#define	LSR_TXRDY	0x20	/* transmitter ready */
+#define	LSR_BI		0x10	/* break detected */
+#define	LSR_FE		0x08	/* framing error */
+#define	LSR_PE		0x04	/* parity error */
+#define	LSR_OE		0x02	/* overrun error */
+#define	LSR_RXRDY	0x01	/* receiver ready */
+#define	LSR_RCV_MASK	0x1f
+
+
+// 串口模块编号
+typedef enum
+{
+    LS1C_UART00 = 0,        // 全功能串口UART0可以分为两个四线串口UART00和UART01
+    LS1C_UART01,
+    LS1C_UART1,
+    LS1C_UART2,
+    LS1C_UART3,
+    LS1C_UART4,
+    LS1C_UART5,
+    LS1C_UART6,
+    LS1C_UART7,
+    LS1C_UART8,
+    LS1C_UART9,
+    LS1C_UART10,
+    LS1C_UART11
+}ls1c_uart_t;
+
+
+// 串口信息
+typedef struct
+{
+    ls1c_uart_t UARTx;              // 串口模块编号
+    unsigned int baudrate;          // 波特率
+    BOOL rx_enable;                 // 是否需要使用串口接收数据(使能接收中断)，发送默认使能
+}ls1c_uart_info_t;
+
+
+
+/*
+ * 获取指定串口模块的基地址
+ * @UARTx 串口编号
+ * @ret 基地址
+ */
+void *uart_get_base(ls1c_uart_t UARTx);
+
+
+/*
+ * 初始化指定的串口模块
+ * @uart_info_p 串口模块信息
+ */
+void uart_init(ls1c_uart_info_t *uart_info_p);
+
+
+/*
+ * 初始化串口2
+ */
+void uart2_init(void);
+
+
+/*
+ * 在串口2上打印字符串
+ * @str 待打印的字符串
+ */
+void uart2_print(const char *str);
+
+
+/*
+ * 在调试串口打印字符串
+ * @str 待打印的字符串
+ */
+void uart_debug_print(const char *str);
+
+
+/*
+ * 在调试串口打印一个字符
+ * @ch 待打印的字符
+ */
+void uart_debug_putc(unsigned char ch);
+
+
+/*
+ * 把中断号转换为串口号
+ * @IRQn 中断号
+ * @ret 串口号
+ */
+ls1c_uart_t uart_irqn_to_uartx(int IRQn);
+
+
+/*
+ * 发送一个字节
+ * @uartx 串口号
+ * @ch 待发送的字符串
+ */
+void uart_putc(ls1c_uart_t uartx, unsigned char ch);
+
+
+/*
+ * 打印一个字符串到指定串口
+ * @uartx 串口号
+ * @str 待打印的字符串
+ */
+void uart_print(ls1c_uart_t uartx, const char *str);
+
+
+#endif
+