1 /**************************************************************************//**
2  * @file     uart.h
3  * @version  V3.00
4  * @brief    M480 series UART driver header file
5  *
6  * SPDX-License-Identifier: Apache-2.0
7  * @copyright (C) 2016-2020 Nuvoton Technology Corp. All rights reserved.
8  *****************************************************************************/
9 #ifndef __UART_H__
10 #define __UART_H__
11 
12 
13 #ifdef __cplusplus
14 extern "C"
15 {
16 #endif
17 
18 
19 /** @addtogroup Standard_Driver Standard Driver
20   @{
21 */
22 
23 /** @addtogroup UART_Driver UART Driver
24   @{
25 */
26 
27 /** @addtogroup UART_EXPORTED_CONSTANTS UART Exported Constants
28   @{
29 */
30 
31 /*---------------------------------------------------------------------------------------------------------*/
32 /* UART FIFO size constants definitions                                                                    */
33 /*---------------------------------------------------------------------------------------------------------*/
34 
35 #define UART0_FIFO_SIZE 16ul /*!< UART0 supports separated receive/transmit 16/16 bytes entry FIFO \hideinitializer */
36 #define UART1_FIFO_SIZE 16ul /*!< UART1 supports separated receive/transmit 16/16 bytes entry FIFO \hideinitializer */
37 #define UART2_FIFO_SIZE 16ul /*!< UART2 supports separated receive/transmit 16/16 bytes entry FIFO \hideinitializer */
38 #define UART3_FIFO_SIZE 16ul /*!< UART3 supports separated receive/transmit 16/16 bytes entry FIFO \hideinitializer */
39 #define UART4_FIFO_SIZE 16ul /*!< UART4 supports separated receive/transmit 16/16 bytes entry FIFO \hideinitializer */
40 #define UART5_FIFO_SIZE 16ul /*!< UART5 supports separated receive/transmit 16/16 bytes entry FIFO \hideinitializer */
41 
42 /*---------------------------------------------------------------------------------------------------------*/
43 /* UART_FIFO constants definitions                                                                         */
44 /*---------------------------------------------------------------------------------------------------------*/
45 
46 #define UART_FIFO_RFITL_1BYTE      (0x0ul << UART_FIFO_RFITL_Pos)   /*!< UART_FIFO setting to set RX FIFO Trigger Level to 1 byte \hideinitializer */
47 #define UART_FIFO_RFITL_4BYTES     (0x1ul << UART_FIFO_RFITL_Pos)   /*!< UART_FIFO setting to set RX FIFO Trigger Level to 4 bytes \hideinitializer */
48 #define UART_FIFO_RFITL_8BYTES     (0x2ul << UART_FIFO_RFITL_Pos)   /*!< UART_FIFO setting to set RX FIFO Trigger Level to 8 bytes \hideinitializer */
49 #define UART_FIFO_RFITL_14BYTES    (0x3ul << UART_FIFO_RFITL_Pos)   /*!< UART_FIFO setting to set RX FIFO Trigger Level to 14 bytes \hideinitializer */
50 
51 #define UART_FIFO_RTSTRGLV_1BYTE      (0x0ul << UART_FIFO_RTSTRGLV_Pos)  /*!< UART_FIFO setting to set RTS Trigger Level to 1 byte \hideinitializer */
52 #define UART_FIFO_RTSTRGLV_4BYTES     (0x1ul << UART_FIFO_RTSTRGLV_Pos)  /*!< UART_FIFO setting to set RTS Trigger Level to 4 bytes \hideinitializer */
53 #define UART_FIFO_RTSTRGLV_8BYTES     (0x2ul << UART_FIFO_RTSTRGLV_Pos)  /*!< UART_FIFO setting to set RTS Trigger Level to 8 bytes \hideinitializer */
54 #define UART_FIFO_RTSTRGLV_14BYTES    (0x3ul << UART_FIFO_RTSTRGLV_Pos)  /*!< UART_FIFO setting to set RTS Trigger Level to 14 bytes \hideinitializer */
55 
56 /*---------------------------------------------------------------------------------------------------------*/
57 /* UART_LINE constants definitions                                                                         */
58 /*---------------------------------------------------------------------------------------------------------*/
59 #define UART_WORD_LEN_5     (0ul) /*!< UART_LINE setting to set UART word length to 5 bits \hideinitializer */
60 #define UART_WORD_LEN_6     (1ul) /*!< UART_LINE setting to set UART word length to 6 bits \hideinitializer */
61 #define UART_WORD_LEN_7     (2ul) /*!< UART_LINE setting to set UART word length to 7 bits \hideinitializer */
62 #define UART_WORD_LEN_8     (3ul) /*!< UART_LINE setting to set UART word length to 8 bits \hideinitializer */
63 
64 #define UART_PARITY_NONE    (0x0ul << UART_LINE_PBE_Pos) /*!< UART_LINE setting to set UART as no parity   \hideinitializer */
65 #define UART_PARITY_ODD     (0x1ul << UART_LINE_PBE_Pos) /*!< UART_LINE setting to set UART as odd parity  \hideinitializer */
66 #define UART_PARITY_EVEN    (0x3ul << UART_LINE_PBE_Pos) /*!< UART_LINE setting to set UART as even parity \hideinitializer */
67 #define UART_PARITY_MARK    (0x5ul << UART_LINE_PBE_Pos) /*!< UART_LINE setting to keep parity bit as '1'  \hideinitializer */
68 #define UART_PARITY_SPACE   (0x7ul << UART_LINE_PBE_Pos) /*!< UART_LINE setting to keep parity bit as '0'  \hideinitializer */
69 
70 #define UART_STOP_BIT_1     (0x0ul << UART_LINE_NSB_Pos) /*!< UART_LINE setting for one stop bit  \hideinitializer */
71 #define UART_STOP_BIT_1_5   (0x1ul << UART_LINE_NSB_Pos) /*!< UART_LINE setting for 1.5 stop bit when 5-bit word length  \hideinitializer */
72 #define UART_STOP_BIT_2     (0x1ul << UART_LINE_NSB_Pos) /*!< UART_LINE setting for two stop bit when 6, 7, 8-bit word length \hideinitializer */
73 
74 
75 /*---------------------------------------------------------------------------------------------------------*/
76 /* UART RTS ACTIVE LEVEL constants definitions                                                             */
77 /*---------------------------------------------------------------------------------------------------------*/
78 #define UART_RTS_IS_LOW_LEV_ACTIVE   (0x1ul << UART_MODEM_RTSACTLV_Pos) /*!< Set RTS is Low Level Active \hideinitializer */
79 #define UART_RTS_IS_HIGH_LEV_ACTIVE  (0x0ul << UART_MODEM_RTSACTLV_Pos) /*!< Set RTS is High Level Active \hideinitializer */
80 
81 
82 /*---------------------------------------------------------------------------------------------------------*/
83 /* UART_IRDA constants definitions                                                                         */
84 /*---------------------------------------------------------------------------------------------------------*/
85 #define UART_IRDA_TXEN      (0x1ul << UART_IRDA_TXEN_Pos) /*!< Set IrDA function Tx mode \hideinitializer */
86 #define UART_IRDA_RXEN      (0x0ul << UART_IRDA_TXEN_Pos) /*!< Set IrDA function Rx mode \hideinitializer */
87 
88 
89 /*---------------------------------------------------------------------------------------------------------*/
90 /* UART_FUNCSEL constants definitions                                                                      */
91 /*---------------------------------------------------------------------------------------------------------*/
92 #define UART_FUNCSEL_UART  (0x0ul << UART_FUNCSEL_FUNCSEL_Pos) /*!< UART_FUNCSEL setting to set UART Function  (Default) \hideinitializer */
93 #define UART_FUNCSEL_LIN   (0x1ul << UART_FUNCSEL_FUNCSEL_Pos) /*!< UART_FUNCSEL setting to set LIN Function             \hideinitializer */
94 #define UART_FUNCSEL_IrDA  (0x2ul << UART_FUNCSEL_FUNCSEL_Pos) /*!< UART_FUNCSEL setting to set IrDA Function            \hideinitializer */
95 #define UART_FUNCSEL_RS485 (0x3ul << UART_FUNCSEL_FUNCSEL_Pos) /*!< UART_FUNCSEL setting to set RS485 Function           \hideinitializer */
96 
97 
98 /*---------------------------------------------------------------------------------------------------------*/
99 /* UART_LINCTL constants definitions                                                                       */
100 /*---------------------------------------------------------------------------------------------------------*/
101 #define UART_LINCTL_BRKFL(x)    (((x)-1) << UART_LINCTL_BRKFL_Pos)  /*!< UART_LINCTL setting to set LIN Break Field Length, x = 10 ~ 15, default value is 12 \hideinitializer */
102 #define UART_LINCTL_BSL(x)      (((x)-1) << UART_LINCTL_BSL_Pos)    /*!< UART_LINCTL setting to set LIN Break/Sync Delimiter Length, x = 1 ~ 4 \hideinitializer */
103 #define UART_LINCTL_HSEL_BREAK             (0x0UL << UART_LINCTL_HSEL_Pos)    /*!< UART_LINCTL setting to set LIN Header Select to break field \hideinitializer */
104 #define UART_LINCTL_HSEL_BREAK_SYNC        (0x1UL << UART_LINCTL_HSEL_Pos)    /*!< UART_LINCTL setting to set LIN Header Select to break field and sync field \hideinitializer */
105 #define UART_LINCTL_HSEL_BREAK_SYNC_ID     (0x2UL << UART_LINCTL_HSEL_Pos)    /*!< UART_LINCTL setting to set LIN Header Select to break field, sync field and ID field \hideinitializer */
106 #define UART_LINCTL_PID(x)      ((x) << UART_LINCTL_PID_Pos)       /*!< UART_LINCTL setting to set LIN PID value \hideinitializer */
107 
108 
109 /*---------------------------------------------------------------------------------------------------------*/
110 /* UART BAUDRATE MODE constants definitions                                                                */
111 /*---------------------------------------------------------------------------------------------------------*/
112 #define UART_BAUD_MODE0     (0ul) /*!< Set UART Baudrate Mode is Mode0 \hideinitializer */
113 #define UART_BAUD_MODE2     (UART_BAUD_BAUDM1_Msk | UART_BAUD_BAUDM0_Msk) /*!< Set UART Baudrate Mode is Mode2 \hideinitializer */
114 
115 
116 /*@}*/ /* end of group UART_EXPORTED_CONSTANTS */
117 
118 
119 /** @addtogroup UART_EXPORTED_FUNCTIONS UART Exported Functions
120   @{
121 */
122 
123 
124 /**
125  *    @brief        Calculate UART baudrate mode0 divider
126  *
127  *    @param[in]    u32SrcFreq      UART clock frequency
128  *    @param[in]    u32BaudRate     Baudrate of UART module
129  *
130  *    @return       UART baudrate mode0 divider
131  *
132  *    @details      This macro calculate UART baudrate mode0 divider.
133  *    \hideinitializer
134  */
135 #define UART_BAUD_MODE0_DIVIDER(u32SrcFreq, u32BaudRate)    ((((u32SrcFreq) + ((u32BaudRate)*8ul)) / (u32BaudRate) >> 4ul)-2ul)
136 
137 
138 /**
139  *    @brief        Calculate UART baudrate mode2 divider
140  *
141  *    @param[in]    u32SrcFreq      UART clock frequency
142  *    @param[in]    u32BaudRate     Baudrate of UART module
143  *
144  *    @return       UART baudrate mode2 divider
145  *
146  *    @details      This macro calculate UART baudrate mode2 divider.
147  *    \hideinitializer
148  */
149 #define UART_BAUD_MODE2_DIVIDER(u32SrcFreq, u32BaudRate)    ((((u32SrcFreq) + ((u32BaudRate)/2ul)) / (u32BaudRate))-2ul)
150 
151 
152 /**
153  *    @brief        Write UART data
154  *
155  *    @param[in]    uart    The pointer of the specified UART module
156  *    @param[in]    u8Data  Data byte to transmit.
157  *
158  *    @return       None
159  *
160  *    @details      This macro write Data to Tx data register.
161  *    \hideinitializer
162  */
163 #define UART_WRITE(uart, u8Data)    ((uart)->DAT = (u8Data))
164 
165 
166 /**
167  *    @brief        Read UART data
168  *
169  *    @param[in]    uart    The pointer of the specified UART module
170  *
171  *    @return       The oldest data byte in RX FIFO.
172  *
173  *    @details      This macro read Rx data register.
174  *    \hideinitializer
175  */
176 #define UART_READ(uart)    ((uart)->DAT)
177 
178 
179 /**
180  *    @brief        Get Tx empty
181  *
182  *    @param[in]    uart    The pointer of the specified UART module
183  *
184  *    @retval       0   Tx FIFO is not empty
185  *    @retval       >=1 Tx FIFO is empty
186  *
187  *    @details      This macro get Transmitter FIFO empty register value.
188  *    \hideinitializer
189  */
190 #define UART_GET_TX_EMPTY(uart)    ((uart)->FIFOSTS & UART_FIFOSTS_TXEMPTY_Msk)
191 
192 
193 /**
194  *    @brief        Get Rx empty
195  *
196  *    @param[in]    uart    The pointer of the specified UART module
197  *
198  *    @retval       0   Rx FIFO is not empty
199  *    @retval       >=1 Rx FIFO is empty
200  *
201  *    @details      This macro get Receiver FIFO empty register value.
202  *    \hideinitializer
203  */
204 #define UART_GET_RX_EMPTY(uart)    ((uart)->FIFOSTS & UART_FIFOSTS_RXEMPTY_Msk)
205 
206 
207 /**
208  *    @brief        Check specified UART port transmission is over.
209  *
210  *    @param[in]    uart    The pointer of the specified UART module
211  *
212  *    @retval       0 Tx transmission is not over
213  *    @retval       1 Tx transmission is over
214  *
215  *    @details      This macro return Transmitter Empty Flag register bit value.
216  *                  It indicates if specified UART port transmission is over nor not.
217  *    \hideinitializer
218  */
219 #define UART_IS_TX_EMPTY(uart)    (((uart)->FIFOSTS & UART_FIFOSTS_TXEMPTYF_Msk) >> UART_FIFOSTS_TXEMPTYF_Pos)
220 
221 
222 /**
223  *    @brief        Wait specified UART port transmission is over
224  *
225  *    @param[in]    uart    The pointer of the specified UART module
226  *
227  *    @return       None
228  *
229  *    @details      This macro wait specified UART port transmission is over.
230  *    \hideinitializer
231  */
232 #define UART_WAIT_TX_EMPTY(uart)    while(!((((uart)->FIFOSTS) & UART_FIFOSTS_TXEMPTYF_Msk) >> UART_FIFOSTS_TXEMPTYF_Pos))
233 
234 
235 /**
236  *    @brief        Check RX is ready or not
237  *
238  *    @param[in]    uart    The pointer of the specified UART module
239  *
240  *    @retval       0 The number of bytes in the RX FIFO is less than the RFITL
241  *    @retval       1 The number of bytes in the RX FIFO equals or larger than RFITL
242  *
243  *    @details      This macro check receive data available interrupt flag is set or not.
244  *    \hideinitializer
245  */
246 #define UART_IS_RX_READY(uart)    (((uart)->INTSTS & UART_INTSTS_RDAIF_Msk)>>UART_INTSTS_RDAIF_Pos)
247 
248 
249 /**
250  *    @brief        Check TX FIFO is full or not
251  *
252  *    @param[in]    uart    The pointer of the specified UART module
253  *
254  *    @retval       1 TX FIFO is full
255  *    @retval       0 TX FIFO is not full
256  *
257  *    @details      This macro check TX FIFO is full or not.
258  *    \hideinitializer
259  */
260 #define UART_IS_TX_FULL(uart)    (((uart)->FIFOSTS & UART_FIFOSTS_TXFULL_Msk)>>UART_FIFOSTS_TXFULL_Pos)
261 
262 
263 /**
264  *    @brief        Check RX FIFO is full or not
265  *
266  *    @param[in]    uart    The pointer of the specified UART module
267  *
268  *    @retval       1 RX FIFO is full
269  *    @retval       0 RX FIFO is not full
270  *
271  *    @details      This macro check RX FIFO is full or not.
272  *    \hideinitializer
273  */
274 #define UART_IS_RX_FULL(uart)    (((uart)->FIFOSTS & UART_FIFOSTS_RXFULL_Msk)>>UART_FIFOSTS_RXFULL_Pos)
275 
276 
277 /**
278  *    @brief        Get Tx full register value
279  *
280  *    @param[in]    uart    The pointer of the specified UART module
281  *
282  *    @retval       0   Tx FIFO is not full.
283  *    @retval       >=1 Tx FIFO is full.
284  *
285  *    @details      This macro get Tx full register value.
286  *    \hideinitializer
287  */
288 #define UART_GET_TX_FULL(uart)    ((uart)->FIFOSTS & UART_FIFOSTS_TXFULL_Msk)
289 
290 
291 /**
292  *    @brief        Get Rx full register value
293  *
294  *    @param[in]    uart    The pointer of the specified UART module
295  *
296  *    @retval       0   Rx FIFO is not full.
297  *    @retval       >=1 Rx FIFO is full.
298  *
299  *    @details      This macro get Rx full register value.
300  *    \hideinitializer
301  */
302 #define UART_GET_RX_FULL(uart)    ((uart)->FIFOSTS & UART_FIFOSTS_RXFULL_Msk)
303 
304 
305 /**
306  *    @brief        Enable specified UART interrupt
307  *
308  *    @param[in]    uart        The pointer of the specified UART module
309  *    @param[in]    u32eIntSel  Interrupt type select
310  *                              - \ref UART_INTEN_ABRIEN_Msk     : Auto baud rate interrupt
311  *                              - \ref UART_INTEN_WKIEN_Msk      : Wakeup interrupt
312  *                              - \ref UART_INTEN_LINIEN_Msk     : Lin bus interrupt
313  *                              - \ref UART_INTEN_BUFERRIEN_Msk  : Buffer Error interrupt
314  *                              - \ref UART_INTEN_RXTOIEN_Msk    : Rx time-out interrupt
315  *                              - \ref UART_INTEN_MODEMIEN_Msk   : Modem interrupt
316  *                              - \ref UART_INTEN_RLSIEN_Msk     : Rx Line status interrupt
317  *                              - \ref UART_INTEN_THREIEN_Msk    : Tx empty interrupt
318  *                              - \ref UART_INTEN_RDAIEN_Msk     : Rx ready interrupt
319  *
320  *    @return       None
321  *
322  *    @details      This macro enable specified UART interrupt.
323  *    \hideinitializer
324  */
325 #define UART_ENABLE_INT(uart, u32eIntSel)    ((uart)->INTEN |= (u32eIntSel))
326 
327 
328 /**
329  *    @brief        Disable specified UART interrupt
330  *
331  *    @param[in]    uart        The pointer of the specified UART module
332  *    @param[in]    u32eIntSel  Interrupt type select
333  *                              - \ref UART_INTEN_ABRIEN_Msk     : Auto baud rate interrupt
334  *                              - \ref UART_INTEN_WKIEN_Msk      : Wakeup interrupt
335  *                              - \ref UART_INTEN_LINIEN_Msk     : Lin bus interrupt
336  *                              - \ref UART_INTEN_BUFERRIEN_Msk  : Buffer Error interrupt
337  *                              - \ref UART_INTEN_RXTOIEN_Msk    : Rx time-out interrupt
338  *                              - \ref UART_INTEN_MODEMIEN_Msk   : Modem status interrupt
339  *                              - \ref UART_INTEN_RLSIEN_Msk     : Receive Line status interrupt
340  *                              - \ref UART_INTEN_THREIEN_Msk    : Tx empty interrupt
341  *                              - \ref UART_INTEN_RDAIEN_Msk     : Rx ready interrupt
342  *
343  *    @return       None
344  *
345  *    @details      This macro enable specified UART interrupt.
346  *    \hideinitializer
347  */
348 #define UART_DISABLE_INT(uart, u32eIntSel)    ((uart)->INTEN &= ~ (u32eIntSel))
349 
350 
351 /**
352  *    @brief        Get specified interrupt flag/status
353  *
354  *    @param[in]    uart            The pointer of the specified UART module
355  *    @param[in]    u32eIntTypeFlag Interrupt Type Flag, should be
356  *                                  - \ref UART_INTSTS_HWBUFEINT_Msk : In DMA Mode, Buffer Error Interrupt Indicator
357  *                                  - \ref UART_INTSTS_HWTOINT_Msk   : In DMA Mode, Time-out Interrupt Indicator
358  *                                  - \ref UART_INTSTS_HWMODINT_Msk  : In DMA Mode, MODEM Status Interrupt Indicator
359  *                                  - \ref UART_INTSTS_HWRLSINT_Msk  : In DMA Mode, Receive Line Status Interrupt Indicator
360  *                                  - \ref UART_INTSTS_HWBUFEIF_Msk  : In DMA Mode, Buffer Error Interrupt Flag
361  *                                  - \ref UART_INTSTS_HWTOIF_Msk    : In DMA Mode, Time-out Interrupt Flag
362  *                                  - \ref UART_INTSTS_HWMODIF_Msk   : In DMA Mode, MODEM Interrupt Flag
363  *                                  - \ref UART_INTSTS_HWRLSIF_Msk   : In DMA Mode, Receive Line Status Flag
364  *                                  - \ref UART_INTSTS_LININT_Msk    : LIN Bus Interrupt Indicator
365  *                                  - \ref UART_INTSTS_BUFERRINT_Msk : Buffer Error Interrupt Indicator
366  *                                  - \ref UART_INTSTS_RXTOINT_Msk   : Time-out Interrupt Indicator
367  *                                  - \ref UART_INTSTS_MODEMINT_Msk  : Modem Status Interrupt Indicator
368  *                                  - \ref UART_INTSTS_RLSINT_Msk    : Receive Line Status Interrupt Indicator
369  *                                  - \ref UART_INTSTS_THREINT_Msk   : Transmit Holding Register Empty Interrupt Indicator
370  *                                  - \ref UART_INTSTS_RDAINT_Msk    : Receive Data Available Interrupt Indicator
371  *                                  - \ref UART_INTSTS_LINIF_Msk     : LIN Bus Flag
372  *                                  - \ref UART_INTSTS_BUFERRIF_Msk  : Buffer Error Interrupt Flag
373  *                                  - \ref UART_INTSTS_RXTOIF_Msk    : Rx Time-out Interrupt Flag
374  *                                  - \ref UART_INTSTS_MODEMIF_Msk   : Modem Interrupt Flag
375  *                                  - \ref UART_INTSTS_RLSIF_Msk     : Receive Line Status Interrupt Flag
376  *                                  - \ref UART_INTSTS_THREIF_Msk    : Tx Empty Interrupt Flag
377  *                                  - \ref UART_INTSTS_RDAIF_Msk     : Rx Ready Interrupt Flag
378  *
379  *    @retval       0 The specified interrupt is not happened.
380  *                  1 The specified interrupt is happened.
381  *
382  *    @details      This macro get specified interrupt flag or interrupt indicator status.
383  *    \hideinitializer
384  */
385 #define UART_GET_INT_FLAG(uart,u32eIntTypeFlag)    (((uart)->INTSTS & (u32eIntTypeFlag))?1:0)
386 
387 
388 /**
389  *    @brief        Clear RS-485 Address Byte Detection Flag
390  *
391  *    @param[in]    uart    The pointer of the specified UART module
392  *
393  *    @return       None
394  *
395  *    @details      This macro clear RS-485 address byte detection flag.
396  *    \hideinitializer
397  */
398 #define UART_RS485_CLEAR_ADDR_FLAG(uart)    ((uart)->FIFOSTS = UART_FIFOSTS_ADDRDETF_Msk)
399 
400 
401 /**
402  *    @brief        Get RS-485 Address Byte Detection Flag
403  *
404  *    @param[in]    uart    The pointer of the specified UART module
405  *
406  *    @retval       0 Receiver detects a data that is not an address bit.
407  *    @retval       1 Receiver detects a data that is an address bit.
408  *
409  *    @details      This macro get RS-485 address byte detection flag.
410  *    \hideinitializer
411  */
412 #define UART_RS485_GET_ADDR_FLAG(uart)    (((uart)->FIFOSTS  & UART_FIFOSTS_ADDRDETF_Msk) >> UART_FIFOSTS_ADDRDETF_Pos)
413 
414 /* Declare these inline functions here to avoid MISRA C 2004 rule 8.1 error */
415 __STATIC_INLINE void UART_CLEAR_RTS(UART_T* uart);
416 __STATIC_INLINE void UART_SET_RTS(UART_T* uart);
417 
418 
419 /**
420  *    @brief        Set RTS pin to low
421  *
422  *    @param[in]    uart    The pointer of the specified UART module
423  *
424  *    @return       None
425  *
426  *    @details      This macro set RTS pin to low.
427  */
UART_CLEAR_RTS(UART_T * uart)428 __STATIC_INLINE void UART_CLEAR_RTS(UART_T* uart)
429 {
430     uart->MODEM |= UART_MODEM_RTSACTLV_Msk;
431     uart->MODEM &= ~UART_MODEM_RTS_Msk;
432 }
433 
434 
435 /**
436  *    @brief        Set RTS pin to high
437  *
438  *    @param[in]    uart    The pointer of the specified UART module
439  *
440  *    @return       None
441  *
442  *    @details      This macro set RTS pin to high.
443  */
UART_SET_RTS(UART_T * uart)444 __STATIC_INLINE void UART_SET_RTS(UART_T* uart)
445 {
446     uart->MODEM |= UART_MODEM_RTSACTLV_Msk | UART_MODEM_RTS_Msk;
447 }
448 
449 /**
450  *    @brief        Enable specified UART PDMA function
451  *
452  *    @param[in]    uart        The pointer of the specified UART module
453  *    @param[in]    u32FuncSel  Combination of following functions
454  *                             - \ref UART_INTEN_TXPDMAEN_Msk
455  *                             - \ref UART_INTEN_RXPDMAEN_Msk
456  *
457  *    @return       None
458  *
459  *    \hideinitializer
460  */
461 #define UART_PDMA_ENABLE(uart, u32FuncSel)    ((uart)->INTEN |= (u32FuncSel))
462 /**
463  *    @brief        Disable specified UART PDMA function
464  *
465  *    @param[in]    uart        The pointer of the specified UART module
466  *    @param[in]    u32FuncSel  Combination of following functions
467  *                             - \ref UART_INTEN_TXPDMAEN_Msk
468  *                             - \ref UART_INTEN_RXPDMAEN_Msk
469  *
470  *    @return       None
471  *
472  *    \hideinitializer
473  */
474 #define UART_PDMA_DISABLE(uart, u32FuncSel)    ((uart)->INTEN &= ~(u32FuncSel))
475 
476 
477 void UART_ClearIntFlag(UART_T* uart, uint32_t u32InterruptFlag);
478 void UART_Close(UART_T* uart);
479 void UART_DisableFlowCtrl(UART_T* uart);
480 void UART_DisableInt(UART_T*  uart, uint32_t u32InterruptFlag);
481 void UART_EnableFlowCtrl(UART_T* uart);
482 void UART_EnableInt(UART_T*  uart, uint32_t u32InterruptFlag);
483 void UART_Open(UART_T* uart, uint32_t u32baudrate);
484 uint32_t UART_Read(UART_T* uart, uint8_t pu8RxBuf[], uint32_t u32ReadBytes);
485 void UART_SetLineConfig(UART_T* uart, uint32_t u32baudrate, uint32_t u32data_width, uint32_t u32parity, uint32_t  u32stop_bits);
486 void UART_SetTimeoutCnt(UART_T* uart, uint32_t u32TOC);
487 void UART_SelectIrDAMode(UART_T* uart, uint32_t u32Buadrate, uint32_t u32Direction);
488 void UART_SelectRS485Mode(UART_T* uart, uint32_t u32Mode, uint32_t u32Addr);
489 void UART_SelectLINMode(UART_T* uart, uint32_t u32Mode, uint32_t u32BreakLength);
490 uint32_t UART_Write(UART_T* uart, uint8_t pu8TxBuf[], uint32_t u32WriteBytes);
491 
492 
493 
494 
495 /*@}*/ /* end of group UART_EXPORTED_FUNCTIONS */
496 
497 /*@}*/ /* end of group UART_Driver */
498 
499 /*@}*/ /* end of group Standard_Driver */
500 
501 #ifdef __cplusplus
502 }
503 #endif
504 
505 #endif /*__UART_H__*/
506 
507 /*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/
508