初版

SensorHub/include/driver/cpu/br35/uart.h

@@ -0,0 +1,71 @@
+#ifndef __UART_H__
+#define __UART_H__
+
+
+enum UART_CLK_TABLE {
+    UART_CLK_DIABLE = 0,
+    UART_CLK_STD_12M,
+    UART_CLK_RC16M,
+    UART_CLK_SYS_CLK,
+};
+
+//======================================================//
+//                    UART HW DEFINE                    //
+//======================================================//
+//------------------- P11_UARTx->BAUD
+#define UART_BAUD_SET(x,v) 		(x->BAUD = v)
+
+//------------------- P11_UARTx->CLK_CON0
+#define UART_CON0_CLEAR(x) 			(x->CON0 = 0)
+#define UART_TX_PENDING_IS(x) 		(x->CON0 & BIT(15))
+#define UART_RX_PENDING_IS(x) 		(x->CON0 & BIT(14))
+#define UART_TX_PENDING_CLEAR(x) 	(x->CON0 |= BIT(13))
+#define UART_RX_PENDING_CLEAR(x) 	(x->CON0 |= BIT(12))
+#define UART_OT_PENDING_IS(x) 		(x->CON0 & BIT(11))
+#define UART_OT_PENDING_CLEAR(x) 	(x->CON0 |= BIT(10))
+#define UART_OT_INT_ENABLE(x) 		(x->CON0 |= BIT(5))
+#define UART_OT_INT_DISABLE(x) 		(x->CON0 &= ~BIT(5))
+
+enum UART_CLK_DIV_TABLE {
+    UART_CLK_DIV_4,
+    UART_CLK_DIV_3,
+};
+/*
+波特率计算:
+ 	UART_BAUD_SET  = Fuart_clk / ((BAUD + 1) * UART_DIV_SEL)
+ */
+#define UART_DIV_SEL(x,v) 			SFR(x->CON0, 4, 1, v)
+
+#define UART_RX_INT_ENABLE(x) 		(x->CON0 |= BIT(3))
+#define UART_RX_INT_DISABLE(x) 		(x->CON0 &= ~BIT(3))
+#define UART_TX_INT_ENABLE(x) 		(x->CON0 |= BIT(2))
+#define UART_TX_INT_DISABLE(x) 		(x->CON0 &= ~BIT(2))
+#define UART_RX_ENABLE(x) 			(x->CON0 |= BIT(1))
+#define UART_RX_DISABLE(x) 			(x->CON0 &= ~BIT(1))
+#define UART_TX_ENABLE(x) 			(x->CON0 |= BIT(0))
+#define UART_TX_DISABLE(x) 			(x->CON0 &= ~BIT(0))
+
+//------------------- P11_UARTx->CLK_CON2
+#define UART_CON1_CLEAR(x) 			(x->CON2 = 0)
+#define UART_9BIT_ENABLE(x) 		(x->CON2 |= BIT(0))
+#define UART_9BIT_DISABLE(x) 		(x->CON2 &= ~BIT(0))
+#define UART_9BIT_TX_DATA(x,v) 		SFR(x->CON2, 1, 1 v)
+#define UART_9BIT_RX_DATA(x) 		(x->CON2 & BIT(2))
+
+//------------------- P11_UARTx->BUF
+#define UART_BUF_WRITE(x,v) 		(x->BUF = v)
+#define UART_BUF_READ(x) 			(x->BUF)
+
+//------------------- P11_UARTx->OTCNT
+/*
+OT超时计算:
+	Tot = Tuart_clk * UART_OTCNT_SET
+ */
+#define UART_OTCNT_SET(x,v) 			(x->OTCNT = v)
+
+void debug_uart_init(u8 tx_port);
+
+void uart_clk_sel(enum UART_CLK_TABLE clk);
+
+#endif
+