Socket APIs: Ethernet/W5500/w5500.c Source File

Wiznet Socket API

w5500.c
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1 //*****************************************************************************
2 //
52 //
53 //*****************************************************************************
54 //#include <stdio.h>
55 #include "w5500.h"
56 
57 #define _W5500_SPI_VDM_OP_ 0x00
58 #define _W5500_SPI_FDM_OP_LEN1_ 0x01
59 #define _W5500_SPI_FDM_OP_LEN2_ 0x02
60 #define _W5500_SPI_FDM_OP_LEN4_ 0x03
61 
62 #if (_WIZCHIP_ == 5500)
63 
65 uint8_t WIZCHIP_READ(uint32_t AddrSel)
66 {
67  uint8_t ret;
68  uint8_t spi_data[3];
69 
71  WIZCHIP.CS._select();
72 
73  AddrSel |= (_W5500_SPI_READ_ | _W5500_SPI_VDM_OP_);
74 
75  if(!WIZCHIP.IF.SPI._read_burst || !WIZCHIP.IF.SPI._write_burst) // byte operation
76  {
77  WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
78  WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
79  WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
80  }
81  else // burst operation
82  {
83  spi_data[0] = (AddrSel & 0x00FF0000) >> 16;
84  spi_data[1] = (AddrSel & 0x0000FF00) >> 8;
85  spi_data[2] = (AddrSel & 0x000000FF) >> 0;
86  WIZCHIP.IF.SPI._write_burst(spi_data, 3);
87  }
88  ret = WIZCHIP.IF.SPI._read_byte();
89 
92  return ret;
93 }
94 
95 void WIZCHIP_WRITE(uint32_t AddrSel, uint8_t wb )
96 {
97  uint8_t spi_data[4];
98 
100  WIZCHIP.CS._select();
101 
102  AddrSel |= (_W5500_SPI_WRITE_ | _W5500_SPI_VDM_OP_);
103 
104  //if(!WIZCHIP.IF.SPI._read_burst || !WIZCHIP.IF.SPI._write_burst) // byte operation
105  if(!WIZCHIP.IF.SPI._write_burst) // byte operation
106  {
107  WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
108  WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
109  WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
111  }
112  else // burst operation
113  {
114  spi_data[0] = (AddrSel & 0x00FF0000) >> 16;
115  spi_data[1] = (AddrSel & 0x0000FF00) >> 8;
116  spi_data[2] = (AddrSel & 0x000000FF) >> 0;
117  spi_data[3] = wb;
118  WIZCHIP.IF.SPI._write_burst(spi_data, 4);
119  }
120 
121  WIZCHIP.CS._deselect();
123 }
124 
125 void WIZCHIP_READ_BUF (uint32_t AddrSel, uint8_t* pBuf, uint16_t len)
126 {
127  uint8_t spi_data[3];
128  uint16_t i;
129 
131  WIZCHIP.CS._select();
132 
133  AddrSel |= (_W5500_SPI_READ_ | _W5500_SPI_VDM_OP_);
134 
135  if(!WIZCHIP.IF.SPI._read_burst || !WIZCHIP.IF.SPI._write_burst) // byte operation
136  {
137  WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
138  WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
139  WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
140  for(i = 0; i < len; i++)
141  pBuf[i] = WIZCHIP.IF.SPI._read_byte();
142  }
143  else // burst operation
144  {
145  spi_data[0] = (AddrSel & 0x00FF0000) >> 16;
146  spi_data[1] = (AddrSel & 0x0000FF00) >> 8;
147  spi_data[2] = (AddrSel & 0x000000FF) >> 0;
148  WIZCHIP.IF.SPI._write_burst(spi_data, 3);
149  WIZCHIP.IF.SPI._read_burst(pBuf, len);
150  }
151 
152  WIZCHIP.CS._deselect();
154 }
155 
156 void WIZCHIP_WRITE_BUF(uint32_t AddrSel, uint8_t* pBuf, uint16_t len)
157 {
158  uint8_t spi_data[3];
159  uint16_t i;
160 
162  WIZCHIP.CS._select();
163 
164  AddrSel |= (_W5500_SPI_WRITE_ | _W5500_SPI_VDM_OP_);
165 
166  if(!WIZCHIP.IF.SPI._write_burst) // byte operation
167  {
168  WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
169  WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
170  WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
171  for(i = 0; i < len; i++)
172  WIZCHIP.IF.SPI._write_byte(pBuf[i]);
173  }
174  else // burst operation
175  {
176  spi_data[0] = (AddrSel & 0x00FF0000) >> 16;
177  spi_data[1] = (AddrSel & 0x0000FF00) >> 8;
178  spi_data[2] = (AddrSel & 0x000000FF) >> 0;
179  WIZCHIP.IF.SPI._write_burst(spi_data, 3);
180  WIZCHIP.IF.SPI._write_burst(pBuf, len);
181  }
182 
183  WIZCHIP.CS._deselect();
185 }
186 
187 
188 uint16_t getSn_TX_FSR(uint8_t sn)
189 {
190  uint16_t val=0,val1=0;
191 
192  do
193  {
194  val1 = WIZCHIP_READ(Sn_TX_FSR(sn));
195  val1 = (val1 << 8) + WIZCHIP_READ(WIZCHIP_OFFSET_INC(Sn_TX_FSR(sn),1));
196  if (val1 != 0)
197  {
198  val = WIZCHIP_READ(Sn_TX_FSR(sn));
199  val = (val << 8) + WIZCHIP_READ(WIZCHIP_OFFSET_INC(Sn_TX_FSR(sn),1));
200  }
201  }while (val != val1);
202  return val;
203 }
204 
205 
206 uint16_t getSn_RX_RSR(uint8_t sn)
207 {
208  uint16_t val=0,val1=0;
209 
210  do
211  {
212  val1 = WIZCHIP_READ(Sn_RX_RSR(sn));
213  val1 = (val1 << 8) + WIZCHIP_READ(WIZCHIP_OFFSET_INC(Sn_RX_RSR(sn),1));
214  if (val1 != 0)
215  {
216  val = WIZCHIP_READ(Sn_RX_RSR(sn));
217  val = (val << 8) + WIZCHIP_READ(WIZCHIP_OFFSET_INC(Sn_RX_RSR(sn),1));
218  }
219  }while (val != val1);
220  return val;
221 }
222 
223 void wiz_send_data(uint8_t sn, uint8_t *wizdata, uint16_t len)
224 {
225  uint16_t ptr = 0;
226  uint32_t addrsel = 0;
227 
228  if(len == 0) return;
229  ptr = getSn_TX_WR(sn);
230  //M20140501 : implict type casting -> explict type casting
231  //addrsel = (ptr << 8) + (WIZCHIP_TXBUF_BLOCK(sn) << 3);
232  addrsel = ((uint32_t)ptr << 8) + (WIZCHIP_TXBUF_BLOCK(sn) << 3);
233  //
234  WIZCHIP_WRITE_BUF(addrsel,wizdata, len);
235 
236  ptr += len;
237  setSn_TX_WR(sn,ptr);
238 }
239 
240 void wiz_recv_data(uint8_t sn, uint8_t *wizdata, uint16_t len)
241 {
242  uint16_t ptr = 0;
243  uint32_t addrsel = 0;
244 
245  if(len == 0) return;
246  ptr = getSn_RX_RD(sn);
247  //M20140501 : implict type casting -> explict type casting
248  //addrsel = ((ptr << 8) + (WIZCHIP_RXBUF_BLOCK(sn) << 3);
249  addrsel = ((uint32_t)ptr << 8) + (WIZCHIP_RXBUF_BLOCK(sn) << 3);
250  //
251  WIZCHIP_READ_BUF(addrsel, wizdata, len);
252  ptr += len;
253 
254  setSn_RX_RD(sn,ptr);
255 }
256 
257 
258 void wiz_recv_ignore(uint8_t sn, uint16_t len)
259 {
260  uint16_t ptr = 0;
261 
262  ptr = getSn_RX_RD(sn);
263  ptr += len;
264  setSn_RX_RD(sn,ptr);
265 }
266 
267 #endif
uint8_t(* _read_byte)(void)
Definition: wizchip_conf.h:246
_WIZCHIP WIZCHIP
Definition: wizchip_conf.c:165
union __WIZCHIP::_IF IF
void wiz_recv_ignore(uint8_t sn, uint16_t len)
It discard the received data in RX memory.
uint16_t getSn_RX_RSR(uint8_t sn)
Get Sn_RX_RSR register.
void(* _select)(void)
_WIZCHIP_ selected
Definition: wizchip_conf.h:218
void WIZCHIP_READ_BUF(uint32_t AddrSel, uint8_t *pBuf, uint16_t len)
It reads sequence data from registers.
void wiz_recv_data(uint8_t sn, uint8_t *wizdata, uint16_t len)
It copies data to your buffer from internal RX memory.
uint8_t WIZCHIP_READ(uint32_t AddrSel)
It reads 1 byte value from a register.
void wiz_send_data(uint8_t sn, uint8_t *wizdata, uint16_t len)
It copies data to internal TX memory.
uint16_t getSn_TX_FSR(uint8_t sn)
Get Sn_TX_FSR register.
W5500 HAL Header File.
void(* _read_burst)(uint8_t *pBuf, uint16_t len)
Definition: wizchip_conf.h:248
void(* _deselect)(void)
_WIZCHIP_ deselected
Definition: wizchip_conf.h:219
void(* _write_byte)(uint8_t wb)
Definition: wizchip_conf.h:247
#define WIZCHIP_CRITICAL_ENTER()
Enter a critical section.
Definition: w5100.h:1032
#define WIZCHIP_OFFSET_INC(ADDR, N)
Increase offset address.
Definition: w5100.h:59
struct __WIZCHIP::_IF::@1 SPI
#define getSn_TX_WR(sn)
Get Sn_TX_WR register.
Definition: w5100.h:1675
#define _W5500_SPI_READ_
Definition: w5500.h:60
#define Sn_TX_FSR(sn)
Transmit free memory size register(R)
Definition: w5100.h:510
#define _W5500_SPI_WRITE_
Definition: w5500.h:61
#define _W5500_SPI_VDM_OP_
Definition: w5500.c:57
void WIZCHIP_WRITE_BUF(uint32_t AddrSel, uint8_t *pBuf, uint16_t len)
It writes sequence data to registers.
#define Sn_RX_RSR(sn)
Received data size register(R)
Definition: w5100.h:545
void WIZCHIP_WRITE(uint32_t AddrSel, uint8_t wb)
It writes 1 byte value to a register.
#define WIZCHIP_RXBUF_BLOCK(N)
Definition: w5500.h:66
#define setSn_TX_WR(sn, txwr)
Set Sn_TX_WR register.
Definition: w5100.h:1663
#define WIZCHIP_CRITICAL_EXIT()
Exit a critical section.
Definition: w5100.h:1049
void(* _write_burst)(uint8_t *pBuf, uint16_t len)
Definition: wizchip_conf.h:249
struct __WIZCHIP::_CS CS
#define setSn_RX_RD(sn, rxrd)
Set Sn_RX_RD register.
Definition: w5100.h:1693
#define WIZCHIP_TXBUF_BLOCK(N)
Definition: w5500.h:65
#define getSn_RX_RD(sn)
Get Sn_RX_RD register.
Definition: w5100.h:1705
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