1 // ----------------------------------------------------------------------------
2 // ATMEL Microcontroller Software Support - ROUSSET -
3 // ----------------------------------------------------------------------------
4 // The software is delivered "AS IS" without warranty or condition of any
5 // kind, either express, implied or statutory. This includes without
6 // limitation any warranty or condition with respect to merchantability or
7 // fitness for any particular purpose, or against the infringements of
8 // intellectual property rights of others.
9 // ----------------------------------------------------------------------------
10 // File Name : AT91RM9200.h
11 // Object : AT91RM9200 / USART definitions
12 // Generated : AT91 SW Application Group 01/17/2003 (13:41:22)
14 // ----------------------------------------------------------------------------
16 #ifndef AT91RM9200_USART_H
17 #define AT91RM9200_USART_H
19 // *****************************************************************************
20 // SOFTWARE API DEFINITION FOR Usart
21 // *****************************************************************************
24 typedef struct _AT91S_USART {
25 AT91_REG US_CR; // Control Register
26 AT91_REG US_MR; // Mode Register
27 AT91_REG US_IER; // Interrupt Enable Register
28 AT91_REG US_IDR; // Interrupt Disable Register
29 AT91_REG US_IMR; // Interrupt Mask Register
30 AT91_REG US_CSR; // Channel Status Register
31 AT91_REG US_RHR; // Receiver Holding Register
32 AT91_REG US_THR; // Transmitter Holding Register
33 AT91_REG US_BRGR; // Baud Rate Generator Register
34 AT91_REG US_RTOR; // Receiver Time-out Register
35 AT91_REG US_TTGR; // Transmitter Time-guard Register
36 AT91_REG Reserved0[5]; //
37 AT91_REG US_FIDI; // FI_DI_Ratio Register
38 AT91_REG US_NER; // Nb Errors Register
39 AT91_REG US_XXR; // XON_XOFF Register
40 AT91_REG US_IF; // IRDA_FILTER Register
41 AT91_REG Reserved1[44]; //
42 AT91_REG US_RPR; // Receive Pointer Register
43 AT91_REG US_RCR; // Receive Counter Register
44 AT91_REG US_TPR; // Transmit Pointer Register
45 AT91_REG US_TCR; // Transmit Counter Register
46 AT91_REG US_RNPR; // Receive Next Pointer Register
47 AT91_REG US_RNCR; // Receive Next Counter Register
48 AT91_REG US_TNPR; // Transmit Next Pointer Register
49 AT91_REG US_TNCR; // Transmit Next Counter Register
50 AT91_REG US_PTCR; // PDC Transfer Control Register
51 AT91_REG US_PTSR; // PDC Transfer Status Register
52 } AT91S_USART, *AT91PS_USART;
56 // -------- US_CR : (USART Offset: 0x0) Debug Unit Control Register --------
57 #define AT91C_US_RSTRX ( 0x1 << 2) // (USART) Reset Receiver
58 #define AT91C_US_RSTTX ( 0x1 << 3) // (USART) Reset Transmitter
59 #define AT91C_US_RXEN ( 0x1 << 4) // (USART) Receiver Enable
60 #define AT91C_US_RXDIS ( 0x1 << 5) // (USART) Receiver Disable
61 #define AT91C_US_TXEN ( 0x1 << 6) // (USART) Transmitter Enable
62 #define AT91C_US_TXDIS ( 0x1 << 7) // (USART) Transmitter Disable
63 #define AT91C_US_RSTSTA ( 0x1 << 8) // (USART) Reset Status Bits
64 #define AT91C_US_STTBRK ( 0x1 << 9) // (USART) Start Break
65 #define AT91C_US_STPBRK ( 0x1 << 10) // (USART) Stop Break
66 #define AT91C_US_STTTO ( 0x1 << 11) // (USART) Start Time-out
67 #define AT91C_US_SENDA ( 0x1 << 12) // (USART) Send Address
68 #define AT91C_US_RSTIT ( 0x1 << 13) // (USART) Reset Iterations
69 #define AT91C_US_RSTNACK ( 0x1 << 14) // (USART) Reset Non Acknowledge
70 #define AT91C_US_RETTO ( 0x1 << 15) // (USART) Rearm Time-out
71 #define AT91C_US_DTREN ( 0x1 << 16) // (USART) Data Terminal ready Enable
72 #define AT91C_US_DTRDIS ( 0x1 << 17) // (USART) Data Terminal ready Disable
73 #define AT91C_US_RTSEN ( 0x1 << 18) // (USART) Request to Send enable
74 #define AT91C_US_RTSDIS ( 0x1 << 19) // (USART) Request to Send Disable
75 // -------- US_MR : (USART Offset: 0x4) Debug Unit Mode Register --------
76 #define AT91C_US_USMODE ( 0xF << 0) // (USART) Usart mode
77 #define AT91C_US_USMODE_NORMAL ( 0x0) // (USART) Normal
78 #define AT91C_US_USMODE_RS485 ( 0x1) // (USART) RS485
79 #define AT91C_US_USMODE_HWHSH ( 0x2) // (USART) Hardware Handshaking
80 #define AT91C_US_USMODE_MODEM ( 0x3) // (USART) Modem
81 #define AT91C_US_USMODE_ISO7816_0 ( 0x4) // (USART) ISO7816 protocol: T = 0
82 #define AT91C_US_USMODE_ISO7816_1 ( 0x6) // (USART) ISO7816 protocol: T = 1
83 #define AT91C_US_USMODE_IRDA ( 0x8) // (USART) IrDA
84 #define AT91C_US_USMODE_SWHSH ( 0xC) // (USART) Software Handshaking
85 #define AT91C_US_CLKS ( 0x3 << 4) // (USART) Clock Selection (Baud Rate generator Input Clock
86 #define AT91C_US_CLKS_CLOCK ( 0x0 << 4) // (USART) Clock
87 #define AT91C_US_CLKS_FDIV1 ( 0x1 << 4) // (USART) fdiv1
88 #define AT91C_US_CLKS_SLOW ( 0x2 << 4) // (USART) slow_clock (ARM)
89 #define AT91C_US_CLKS_EXT ( 0x3 << 4) // (USART) External (SCK)
90 #define AT91C_US_CHRL ( 0x3 << 6) // (USART) Clock Selection (Baud Rate generator Input Clock
91 #define AT91C_US_CHRL_5_BITS ( 0x0 << 6) // (USART) Character Length: 5 bits
92 #define AT91C_US_CHRL_6_BITS ( 0x1 << 6) // (USART) Character Length: 6 bits
93 #define AT91C_US_CHRL_7_BITS ( 0x2 << 6) // (USART) Character Length: 7 bits
94 #define AT91C_US_CHRL_8_BITS ( 0x3 << 6) // (USART) Character Length: 8 bits
95 #define AT91C_US_SYNC ( 0x1 << 8) // (USART) Synchronous Mode Select
96 #define AT91C_US_PAR ( 0x7 << 9) // (USART) Parity type
97 #define AT91C_US_PAR_EVEN ( 0x0 << 9) // (USART) Even Parity
98 #define AT91C_US_PAR_ODD ( 0x1 << 9) // (USART) Odd Parity
99 #define AT91C_US_PAR_SPACE ( 0x2 << 9) // (USART) Parity forced to 0 (Space)
100 #define AT91C_US_PAR_MARK ( 0x3 << 9) // (USART) Parity forced to 1 (Mark)
101 #define AT91C_US_PAR_NONE ( 0x4 << 9) // (USART) No Parity
102 #define AT91C_US_PAR_MULTI_DROP ( 0x6 << 9) // (USART) Multi-drop mode
103 #define AT91C_US_NBSTOP ( 0x3 << 12) // (USART) Number of Stop bits
104 #define AT91C_US_NBSTOP_1_BIT ( 0x0 << 12) // (USART) 1 stop bit
105 #define AT91C_US_NBSTOP_15_BIT ( 0x1 << 12) // (USART) Asynchronous (SYNC=0) 2 stop bits Synchronous (SYNC=1) 2 stop bits
106 #define AT91C_US_NBSTOP_2_BIT ( 0x2 << 12) // (USART) 2 stop bits
107 #define AT91C_US_CHMODE ( 0x3 << 14) // (USART) Channel Mode
108 #define AT91C_US_CHMODE_NORMAL ( 0x0 << 14) // (USART) Normal Mode: The USART channel operates as an RX/TX USART.
109 #define AT91C_US_CHMODE_AUTO ( 0x1 << 14) // (USART) Automatic Echo: Receiver Data Input is connected to the TXD pin.
110 #define AT91C_US_CHMODE_LOCAL ( 0x2 << 14) // (USART) Local Loopback: Transmitter Output Signal is connected to Receiver Input Signal.
111 #define AT91C_US_CHMODE_REMOTE ( 0x3 << 14) // (USART) Remote Loopback: RXD pin is internally connected to TXD pin.
112 #define AT91C_US_MSBF ( 0x1 << 16) // (USART) Bit Order
113 #define AT91C_US_MODE9 ( 0x1 << 17) // (USART) 9-bit Character length
114 #define AT91C_US_CKLO ( 0x1 << 18) // (USART) Clock Output Select
115 #define AT91C_US_OVER ( 0x1 << 19) // (USART) Over Sampling Mode
116 #define AT91C_US_INACK ( 0x1 << 20) // (USART) Inhibit Non Acknowledge
117 #define AT91C_US_DSNACK ( 0x1 << 21) // (USART) Disable Successive NACK
118 #define AT91C_US_MAX_ITER ( 0x1 << 24) // (USART) Number of Repetitions
119 #define AT91C_US_FILTER ( 0x1 << 28) // (USART) Receive Line Filter
120 // -------- US_IER : (USART Offset: 0x8) Debug Unit Interrupt Enable Register --------
121 #define AT91C_US_RXRDY ( 0x1 << 0) // (USART) RXRDY Interrupt
122 #define AT91C_US_TXRDY ( 0x1 << 1) // (USART) TXRDY Interrupt
123 #define AT91C_US_RXBRK ( 0x1 << 2) // (USART) Break Received/End of Break
124 #define AT91C_US_ENDRX ( 0x1 << 3) // (USART) End of Receive Transfer Interrupt
125 #define AT91C_US_ENDTX ( 0x1 << 4) // (USART) End of Transmit Interrupt
126 #define AT91C_US_OVRE ( 0x1 << 5) // (USART) Overrun Interrupt
127 #define AT91C_US_FRAME ( 0x1 << 6) // (USART) Framing Error Interrupt
128 #define AT91C_US_PARE ( 0x1 << 7) // (USART) Parity Error Interrupt
129 #define AT91C_US_TIMEOUT ( 0x1 << 8) // (USART) Receiver Time-out
130 #define AT91C_US_TXEMPTY ( 0x1 << 9) // (USART) TXEMPTY Interrupt
131 #define AT91C_US_ITERATION ( 0x1 << 10) // (USART) Max number of Repetitions Reached
132 #define AT91C_US_TXBUFE ( 0x1 << 11) // (USART) TXBUFE Interrupt
133 #define AT91C_US_RXBUFF ( 0x1 << 12) // (USART) RXBUFF Interrupt
134 #define AT91C_US_NACK ( 0x1 << 13) // (USART) Non Acknowledge
135 #define AT91C_US_RIIC ( 0x1 << 16) // (USART) Ring INdicator Input Change Flag
136 #define AT91C_US_DSRIC ( 0x1 << 17) // (USART) Data Set Ready Input Change Flag
137 #define AT91C_US_DCDIC ( 0x1 << 18) // (USART) Data Carrier Flag
138 #define AT91C_US_CTSIC ( 0x1 << 19) // (USART) Clear To Send Input Change Flag
139 #define AT91C_US_COMM_TX ( 0x1 << 30) // (USART) COMM_TX Interrupt
140 #define AT91C_US_COMM_RX ( 0x1 << 31) // (USART) COMM_RX Interrupt
141 // -------- US_IDR : (USART Offset: 0xc) Debug Unit Interrupt Disable Register --------
142 // -------- US_IMR : (USART Offset: 0x10) Debug Unit Interrupt Mask Register --------
143 // -------- US_CSR : (USART Offset: 0x14) Debug Unit Channel Status Register --------
144 #define AT91C_US_RI ( 0x1 << 20) // (USART) Image of RI Input
145 #define AT91C_US_DSR ( 0x1 << 21) // (USART) Image of DSR Input
146 #define AT91C_US_DCD ( 0x1 << 22) // (USART) Image of DCD Input
147 #define AT91C_US_CTS ( 0x1 << 23) // (USART) Image of CTS Input