huxi
72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
#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
|
|
|