1 | /*
|
---|
2 | * Copyright (c) 2010 by WIZnet <support@wiznet.co.kr>
|
---|
3 | *
|
---|
4 | * This file is free software; you can redistribute it and/or modify
|
---|
5 | * it under the terms of either the GNU General Public License version 2
|
---|
6 | * or the GNU Lesser General Public License version 2.1, both as
|
---|
7 | * published by the Free Software Foundation.
|
---|
8 | *
|
---|
9 | * - 10 Apr. 2015
|
---|
10 | * Added support for Arduino Ethernet Shield 2
|
---|
11 | * by Arduino.org team
|
---|
12 | */
|
---|
13 |
|
---|
14 | #include <stdio.h>
|
---|
15 | #include <string.h>
|
---|
16 | #include "Arduino.h"
|
---|
17 |
|
---|
18 | #include "utility/w5500.h"
|
---|
19 | //#if defined(W5500_ETHERNET_SHIELD)
|
---|
20 |
|
---|
21 | // W5500 controller instance
|
---|
22 | W5500Class w5500;
|
---|
23 |
|
---|
24 | #define SPI_CS 10
|
---|
25 | #define slaveSelectPin 10
|
---|
26 |
|
---|
27 | void W5500Class::init(void)
|
---|
28 | {
|
---|
29 | delay(1000);
|
---|
30 | #if defined(ARDUINO_ARCH_AVR) || defined(ARDUINO_ARCH_SAMD)
|
---|
31 | initSS();
|
---|
32 | SPI.begin();
|
---|
33 | /*#elif defined(ARDUINO_ARCH_SAMD)
|
---|
34 | pinMode (slaveSelectPin, OUTPUT);
|
---|
35 | digitalWrite(slaveSelectPin, HIGH);
|
---|
36 | SPI.begin();
|
---|
37 | //SPI.setClockDivider(2);
|
---|
38 | //SPI.setDataMode(SPI_MODE0); */
|
---|
39 | #else
|
---|
40 | SPI.begin(SPI_CS);
|
---|
41 | // Set clock to 4Mhz (w5500 should support up to about 14Mhz)
|
---|
42 | // SPI.setClockDivider(SPI_CS, 21);
|
---|
43 | // SPI.setClockDivider(SPI_CS, 6); // 14 Mhz, ok
|
---|
44 | // SPI.setClockDivider(SPI_CS, 3); // 28 Mhz, ok
|
---|
45 | SPI.setClockDivider(SPI_CS, 2); // 42 Mhz, ok
|
---|
46 | SPI.setDataMode(SPI_CS, SPI_MODE0);
|
---|
47 | #endif
|
---|
48 | for (int i=0; i<MAX_SOCK_NUM; i++) {
|
---|
49 | uint8_t cntl_byte = (0x0C + (i<<5));
|
---|
50 | write( 0x1E, cntl_byte, 2); //0x1E - Sn_RXBUF_SIZE
|
---|
51 | write( 0x1F, cntl_byte, 2); //0x1F - Sn_TXBUF_SIZE
|
---|
52 | }
|
---|
53 | }
|
---|
54 |
|
---|
55 | uint16_t W5500Class::getTXFreeSize(SOCKET s)
|
---|
56 | {
|
---|
57 | uint16_t val=0, val1=0;
|
---|
58 | do {
|
---|
59 | val1 = readSnTX_FSR(s);
|
---|
60 | if (val1 != 0)
|
---|
61 | val = readSnTX_FSR(s);
|
---|
62 | }
|
---|
63 | while (val != val1);
|
---|
64 | return val;
|
---|
65 | }
|
---|
66 |
|
---|
67 | uint16_t W5500Class::getRXReceivedSize(SOCKET s)
|
---|
68 | {
|
---|
69 | uint16_t val=0,val1=0;
|
---|
70 | do {
|
---|
71 | val1 = readSnRX_RSR(s);
|
---|
72 | if (val1 != 0)
|
---|
73 | val = readSnRX_RSR(s);
|
---|
74 | }
|
---|
75 | while (val != val1);
|
---|
76 | return val;
|
---|
77 | }
|
---|
78 |
|
---|
79 | void W5500Class::send_data_processing(SOCKET s, const uint8_t *data, uint16_t len)
|
---|
80 | {
|
---|
81 | // This is same as having no offset in a call to send_data_processing_offset
|
---|
82 | send_data_processing_offset(s, 0, data, len);
|
---|
83 |
|
---|
84 | }
|
---|
85 |
|
---|
86 | void W5500Class::send_data_processing_offset(SOCKET s, uint16_t data_offset, const uint8_t *data, uint16_t len)
|
---|
87 | {
|
---|
88 |
|
---|
89 | uint16_t ptr = readSnTX_WR(s);
|
---|
90 | uint8_t cntl_byte = (0x14+(s<<5));
|
---|
91 | ptr += data_offset;
|
---|
92 | write(ptr, cntl_byte, data, len);
|
---|
93 | ptr += len;
|
---|
94 | writeSnTX_WR(s, ptr);
|
---|
95 |
|
---|
96 | }
|
---|
97 |
|
---|
98 | void W5500Class::recv_data_processing(SOCKET s, uint8_t *data, uint16_t len, uint8_t peek)
|
---|
99 | {
|
---|
100 | uint16_t ptr;
|
---|
101 | ptr = readSnRX_RD(s);
|
---|
102 |
|
---|
103 | read_data(s, ptr, data, len);
|
---|
104 | if (!peek)
|
---|
105 | {
|
---|
106 | ptr += len;
|
---|
107 | writeSnRX_RD(s, ptr);
|
---|
108 | }
|
---|
109 | }
|
---|
110 |
|
---|
111 | void W5500Class::read_data(SOCKET s, volatile uint16_t src, volatile uint8_t *dst, uint16_t len)
|
---|
112 | {
|
---|
113 | uint8_t cntl_byte = (0x18+(s<<5));
|
---|
114 | read((uint16_t)src , cntl_byte, (uint8_t *)dst, len);
|
---|
115 | }
|
---|
116 |
|
---|
117 | uint8_t W5500Class::write(uint16_t _addr, uint8_t _cb, uint8_t _data)
|
---|
118 | {
|
---|
119 | #if defined(ARDUINO_ARCH_AVR)|| defined(ARDUINO_ARCH_SAMD)
|
---|
120 | setSS();
|
---|
121 | //SerialUSB.println("dentro avr");
|
---|
122 | SPI.transfer(_addr >> 8);
|
---|
123 | SPI.transfer(_addr & 0xFF);
|
---|
124 | SPI.transfer(_cb);
|
---|
125 | SPI.transfer(_data);
|
---|
126 | resetSS();
|
---|
127 | /*#elif defined(ARDUINO_ARCH_SAMD)
|
---|
128 | digitalWrite(slaveSelectPin, LOW);
|
---|
129 | //SerialUSB.println("dentro samd");
|
---|
130 | SPI.transfer(_addr >> 8);
|
---|
131 | SPI.transfer(_addr & 0xFF);
|
---|
132 | SPI.transfer(_cb);
|
---|
133 | SPI.transfer(_data);
|
---|
134 | digitalWrite(slaveSelectPin, HIGH);*/
|
---|
135 | #else
|
---|
136 | SPI.transfer(SPI_CS, _addr >> 8, SPI_CONTINUE);
|
---|
137 | SPI.transfer(SPI_CS, _addr & 0xFF, SPI_CONTINUE);
|
---|
138 | SPI.transfer(SPI_CS, _cb, SPI_CONTINUE);
|
---|
139 | SPI.transfer(SPI_CS, _data);
|
---|
140 | #endif
|
---|
141 | return 1;
|
---|
142 | }
|
---|
143 |
|
---|
144 | uint16_t W5500Class::write(uint16_t _addr, uint8_t _cb, const uint8_t *_buf, uint16_t _len)
|
---|
145 | {
|
---|
146 | #if defined(ARDUINO_ARCH_AVR)|| defined(ARDUINO_ARCH_SAMD)
|
---|
147 | setSS();
|
---|
148 | SPI.transfer(_addr >> 8);
|
---|
149 | SPI.transfer(_addr & 0xFF);
|
---|
150 | SPI.transfer(_cb);
|
---|
151 | for (uint16_t i=0; i<_len; i++){
|
---|
152 | SPI.transfer(_buf[i]);
|
---|
153 | }
|
---|
154 | resetSS();
|
---|
155 | /*#elif defined(ARDUINO_ARCH_SAMD)
|
---|
156 | digitalWrite(slaveSelectPin, LOW);
|
---|
157 | SPI.transfer(_addr >> 8);
|
---|
158 | SPI.transfer(_addr & 0xFF);
|
---|
159 | SPI.transfer(_cb);
|
---|
160 | for (uint16_t i=0; i<_len; i++){
|
---|
161 | SPI.transfer(_buf[i]);
|
---|
162 | }
|
---|
163 | digitalWrite(slaveSelectPin, HIGH);*/
|
---|
164 | #else
|
---|
165 | uint16_t i;
|
---|
166 | SPI.transfer(SPI_CS, _addr >> 8, SPI_CONTINUE);
|
---|
167 | SPI.transfer(SPI_CS, _addr & 0xFF, SPI_CONTINUE);
|
---|
168 | SPI.transfer(SPI_CS, _cb, SPI_CONTINUE);
|
---|
169 | for (i=0; i<_len-1; i++){
|
---|
170 | SPI.transfer(SPI_CS, _buf[i], SPI_CONTINUE);
|
---|
171 | }
|
---|
172 | SPI.transfer(SPI_CS, _buf[i]);
|
---|
173 |
|
---|
174 | #endif
|
---|
175 | return _len;
|
---|
176 | }
|
---|
177 |
|
---|
178 | uint8_t W5500Class::read(uint16_t _addr, uint8_t _cb)
|
---|
179 | {
|
---|
180 | #if defined(ARDUINO_ARCH_AVR) || defined(ARDUINO_ARCH_SAMD)
|
---|
181 | setSS();
|
---|
182 | SPI.transfer(_addr >> 8);
|
---|
183 | SPI.transfer(_addr & 0xFF);
|
---|
184 | SPI.transfer(_cb);
|
---|
185 | uint8_t _data = SPI.transfer(0);
|
---|
186 | resetSS();
|
---|
187 | /*#elif defined(ARDUINO_ARCH_SAMD)
|
---|
188 | digitalWrite(slaveSelectPin, LOW);
|
---|
189 | SPI.transfer(_addr >> 8);
|
---|
190 | SPI.transfer(_addr & 0xFF);
|
---|
191 | SPI.transfer(_cb);
|
---|
192 | uint8_t _data = SPI.transfer(0);
|
---|
193 | digitalWrite(slaveSelectPin, HIGH);*/
|
---|
194 |
|
---|
195 | #else
|
---|
196 | SPI.transfer(SPI_CS, _addr >> 8, SPI_CONTINUE);
|
---|
197 | SPI.transfer(SPI_CS, _addr & 0xFF, SPI_CONTINUE);
|
---|
198 | SPI.transfer(SPI_CS, _cb, SPI_CONTINUE);
|
---|
199 | uint8_t _data = SPI.transfer(SPI_CS, 0);
|
---|
200 | #endif
|
---|
201 | return _data;
|
---|
202 | }
|
---|
203 |
|
---|
204 | uint16_t W5500Class::read(uint16_t _addr, uint8_t _cb, uint8_t *_buf, uint16_t _len)
|
---|
205 | {
|
---|
206 | #if defined(ARDUINO_ARCH_AVR) || defined(ARDUINO_ARCH_SAMD)
|
---|
207 | setSS();
|
---|
208 | SPI.transfer(_addr >> 8);
|
---|
209 | SPI.transfer(_addr & 0xFF);
|
---|
210 | SPI.transfer(_cb);
|
---|
211 | for (uint16_t i=0; i<_len; i++){
|
---|
212 | _buf[i] = SPI.transfer(0);
|
---|
213 | }
|
---|
214 | resetSS();
|
---|
215 | /*#elif defined(ARDUINO_ARCH_SAMD)
|
---|
216 | digitalWrite(slaveSelectPin, LOW);
|
---|
217 | SPI.transfer(_addr >> 8);
|
---|
218 | SPI.transfer(_addr & 0xFF);
|
---|
219 | SPI.transfer(_cb);
|
---|
220 | for (uint16_t i=0; i<_len; i++){
|
---|
221 | _buf[i] = SPI.transfer(0);
|
---|
222 | }
|
---|
223 | digitalWrite(slaveSelectPin, HIGH);*/
|
---|
224 |
|
---|
225 | #else
|
---|
226 | uint16_t i;
|
---|
227 | SPI.transfer(SPI_CS, _addr >> 8, SPI_CONTINUE);
|
---|
228 | SPI.transfer(SPI_CS, _addr & 0xFF, SPI_CONTINUE);
|
---|
229 | SPI.transfer(SPI_CS, _cb, SPI_CONTINUE);
|
---|
230 | for (i=0; i<_len-1; i++){
|
---|
231 | _buf[i] = SPI.transfer(SPI_CS, 0, SPI_CONTINUE);
|
---|
232 | }
|
---|
233 | _buf[_len-1] = SPI.transfer(SPI_CS, 0);
|
---|
234 |
|
---|
235 |
|
---|
236 | #endif
|
---|
237 | return _len;
|
---|
238 | }
|
---|
239 |
|
---|
240 | void W5500Class::execCmdSn(SOCKET s, SockCMD _cmd) {
|
---|
241 | // Send command to socket
|
---|
242 | writeSnCR(s, _cmd);
|
---|
243 | // Wait for command to complete
|
---|
244 | while (readSnCR(s))
|
---|
245 | ;
|
---|
246 | }
|
---|
247 | //#endif
|
---|