For mbed OS-5 version for WIZnet Ethernet Interface, this is Library using Hardware TCP/IP chip, W5500 and TCP/IP Offload Engine, W7500.

Dependents:   ledMapperTest

Warning

  • If you want to use existing codes, you need to change the class used as EthernetInterface to WIZnetInterface.

This is WIZnet Ethernet Interface using Hardware TCP/IP chip, W5500 and TCP/IP Offload Engine, W7500.

https://developer.mbed.org/media/cache/platforms/WIZwiki_W7500_enabled.JPG.250x250_q85.jpg

https://developer.mbed.org/media/cache/platforms/WIZwiki_W7500P_enabled2.JPG.250x250_q85.jpg

https://developer.mbed.org/media/cache/platforms/WIZwiki_W7500ECO_enabled2.JPG.250x250_q85.jpg

https://developer.mbed.org/media/cache/components/components/fetch.phpmediaoshw5500_ethernet_shieldw5500_main_picture2.png.200x200_q85.jpg

This library is an Ethernet Interface library port-based on [EthernetInterface](https://developer.mbed.org/users/mbed_official/code/EthernetInterface/docs/tip/).

For more detail, visit http://embeddist.blogspot.kr/2015/06/wiznetinterface-for-armmbed.html

Revision:
0:d4c8fe4d9b29
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/arch/int/W7500x_toe.cpp	Mon Sep 04 00:23:04 2017 +0000
@@ -0,0 +1,558 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "eth_arch.h"
+#if defined(TARGET_WIZwiki_W7500) || defined(TARGET_WIZwiki_W7500P) || defined(TARGET_WIZwiki_W7500ECO)
+
+
+#include "mbed.h"
+#include "mbed_debug.h"
+#include "DNSClient.h"
+
+
+/*
+ * MDIO via GPIO
+ * mdio via gpio is supported and related functions as follows.
+ *  - mdio_init(),mdio_read(),mdio_write()
+ *  - input_MDIO(),output_MDIO(),turnaroud_MDIO(),idle_MDIO()
+ * called by ethernet_link() and ethernet_set_link()
+ */
+ 
+#if defined (TARGET_WIZwiki_W7500) || defined(TARGET_WIZwiki_W7500ECO)
+
+#define MDIO            GPIO_Pin_14
+#define MDC             GPIO_Pin_15
+#define GPIO_MDC        GPIOB
+#define PHY_ADDR_IP101G 0x07 
+#define PHY_ADDR        PHY_ADDR_IP101G
+#define SVAL            0x2 //right shift val = 2 
+#define PHYREG_CONTROL  0x0 //Control Register address (Contorl basic register)
+#define PHYREG_STATUS   0x1 //Status Register address (Status basic register)
+#define CNTL_DUPLEX     (0x01ul<< 7)
+#define CNTL_AUTONEGO   (0x01ul<<11)
+#define CNTL_SPEED      (0x01ul<<12)
+#define MDC_WAIT        (1)
+
+#elif defined (TARGET_WIZwiki_W7500P) 
+
+#define MDIO            GPIO_Pin_15
+#define MDC             GPIO_Pin_14
+#define GPIO_MDC        GPIOB
+#define PHY_ADDR_IP101G 0x01 
+#define PHY_ADDR        PHY_ADDR_IP101G
+#define SVAL            0x2 //right shift val = 2 
+#define PHYREG_CONTROL  0x0 //Control Register address (Contorl basic register)
+#define PHYREG_STATUS   0x1 //Status Register address (Status basic register)
+#define CNTL_DUPLEX     (0x01ul<< 8)
+#define CNTL_AUTONEGO   (0x01ul<<12)
+#define CNTL_SPEED      (0x01ul<<13)
+#define MDC_WAIT        (1)
+
+#endif
+
+void mdio_init(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin_MDC, uint16_t GPIO_Pin_MDIO);
+void mdio_write(GPIO_TypeDef* GPIOx, uint32_t PhyRegAddr, uint32_t val);
+uint32_t mdio_read(GPIO_TypeDef* GPIOx, uint32_t PhyRegAddr);
+
+WIZnet_Chip* WIZnet_Chip::inst;
+
+WIZnet_Chip::WIZnet_Chip()
+{
+    inst = this;
+}
+
+bool WIZnet_Chip::setmac()
+{
+    reg_wr_mac(SHAR, mac);
+    return true;
+}
+
+// Set the IP
+bool WIZnet_Chip::setip()
+{
+    reg_wr<uint32_t>(SIPR, ip);
+    reg_wr<uint32_t>(GAR, gateway);
+    reg_wr<uint32_t>(SUBR, netmask);
+    return true;
+}
+
+bool WIZnet_Chip::setProtocol(int socket, Protocol p)
+{
+    if (socket < 0) {
+        return false;
+    }
+    sreg<uint8_t>(socket, Sn_MR, p);
+    return true;
+}
+
+bool WIZnet_Chip::connect(int socket, const char * host, int port, int timeout_ms)
+{
+    if (socket < 0) {
+        return false;
+    }
+    sreg<uint8_t>(socket, Sn_MR, TCP);
+    scmd(socket, OPEN);
+    sreg_ip(socket, Sn_DIPR, host);
+    sreg<uint16_t>(socket, Sn_DPORT, port);
+    sreg<uint16_t>(socket, Sn_PORT, new_port());
+    scmd(socket, CONNECT);
+    Timer t;
+    t.reset();
+    t.start();
+    while(!is_connected(socket)) {
+        if (t.read_ms() > timeout_ms) {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool WIZnet_Chip::gethostbyname(const char* host, uint32_t* ip)
+{
+    uint32_t addr = str_to_ip(host);
+    char buf[17];
+    snprintf(buf, sizeof(buf), "%d.%d.%d.%d", 
+            (uint8_t)((addr>>24)&0xff), 
+            (uint8_t)((addr>>16)&0xff), 
+            (uint8_t)((addr>>8)&0xff), 
+            (uint8_t)(addr&0xff));
+    if (strcmp(buf, host) == 0) {
+        *ip = addr;
+        return true;
+    }
+    DNSClient client;
+    if(client.lookup(host)) {
+        *ip = client.ip;
+        return true;
+    }
+    return false;
+}
+
+
+bool WIZnet_Chip::is_connected(int socket)
+{
+    /*
+       if (sreg<uint8_t>(socket, Sn_SR) == SOCK_ESTABLISHED) {
+       return true;
+       }
+     */
+    uint8_t tmpSn_SR;
+    tmpSn_SR = sreg<uint8_t>(socket, Sn_SR);
+    // packet sending is possible, when state is SOCK_CLOSE_WAIT.
+    if ((tmpSn_SR == SOCK_ESTABLISHED) || (tmpSn_SR == SOCK_CLOSE_WAIT)) {
+        return true;
+    }
+    return false;
+}
+// Reset the chip & set the buffer
+void WIZnet_Chip::reset()
+{
+    /* S/W Reset PHY */
+    mdio_write(GPIO_MDC, PHYREG_CONTROL, 0x8000);
+    wait_ms(10);//for S/W reset
+    wait_ms(10);//for MDC I/F RDY
+
+    mdio_init(GPIO_MDC, MDC, MDIO);
+    
+    /* S/W Reset WZTOE */
+    reg_wr<uint8_t>(MR, MR_RST);
+    // set PAD strengh and pull-up for TXD[3:0] and TXE 
+#ifdef __DEF_USED_IC101AG__ //For using IC+101AG
+
+#if defined(TARGET_WIZwiki_W7500) || defined(TARGET_WIZwiki_W7500ECO)
+
+    *(volatile uint32_t *)(0x41003068) = 0x64; //TXD0 
+    *(volatile uint32_t *)(0x4100306C) = 0x64; //TXD1
+    *(volatile uint32_t *)(0x41003070) = 0x64; //TXD2
+    *(volatile uint32_t *)(0x41003074) = 0x64; //TXD3
+    *(volatile uint32_t *)(0x41003050) = 0x64; //TXE
+#endif
+
+#endif  
+
+    // set ticker counter
+    reg_wr<uint32_t>(TIC100US, (SystemCoreClock/10000));
+    // write MAC address inside the WZTOE MAC address register
+    reg_wr_mac(SHAR, mac);
+    /*
+     * set RX and TX buffer size
+     * for (int socket = 0; socket < MAX_SOCK_NUM; socket++) {
+     *  sreg<uint8_t>(socket, Sn_RXBUF_SIZE, 2);
+     *  sreg<uint8_t>(socket, Sn_TXBUF_SIZE, 2);
+     * }
+     */
+}
+
+
+bool WIZnet_Chip::close(int socket)
+{
+    if (socket < 0) {
+        return false;
+    }
+    // if SOCK_CLOSED, return
+    if (sreg<uint8_t>(socket, Sn_SR) == SOCK_CLOSED) {
+        return true;
+    }
+    // if SOCK_ESTABLISHED, send FIN-Packet to peer 
+    if (sreg<uint8_t>(socket, Sn_MR) == TCP) {
+        scmd(socket, DISCON);
+    }
+    // close socket
+    scmd(socket, CLOSE);
+    // clear Socket Interrupt Register
+    sreg<uint8_t>(socket, Sn_ICR, 0xff);
+    return true;
+}
+
+int WIZnet_Chip::wait_readable(int socket, int wait_time_ms, int req_size)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    Timer t;
+    t.reset();
+    t.start();
+    while(1) {
+        int size = sreg<uint16_t>(socket, Sn_RX_RSR);
+        if (size > req_size) {
+            return size;
+        }
+        if (wait_time_ms != (-1) && t.read_ms() > wait_time_ms) {
+            break;
+        }
+    }
+    return -1;
+}
+
+int WIZnet_Chip::wait_writeable(int socket, int wait_time_ms, int req_size)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    Timer t;
+    t.reset();
+    t.start();
+    while(1) {
+        int size = sreg<uint16_t>(socket, Sn_TX_FSR);
+        if (size > req_size) {
+            return size;
+        }
+        if (wait_time_ms != (-1) && t.read_ms() > wait_time_ms) {
+            break;
+        }
+    }
+    return -1;
+}
+
+int WIZnet_Chip::send(int socket, const char * str, int len)
+{
+    if (socket < 0) {
+        return -1;
+    }
+
+    uint16_t ptr = sreg<uint16_t>(socket, Sn_TX_WR);
+    uint32_t sn_tx_base = W7500x_TXMEM_BASE + (uint32_t)(socket<<18); 
+
+    for(int i=0; i<len; i++)
+        *(volatile uint8_t *)(sn_tx_base + ((ptr+i)&0xFFFF)) = str[i];
+
+    sreg<uint16_t>(socket, Sn_TX_WR, ptr + len);
+    scmd(socket, SEND);
+
+    uint8_t tmp_Sn_IR;
+    while (( (tmp_Sn_IR = sreg<uint8_t>(socket, Sn_IR)) & INT_SEND_OK) != INT_SEND_OK) {
+        // @Jul.10, 2014 fix contant name, and udp sendto function.
+        switch (sreg<uint8_t>(socket, Sn_SR)) {
+            case SOCK_CLOSED :
+                close(socket);
+                return 0;
+                //break;
+            case SOCK_UDP :
+                // ARP timeout is possible.
+                if ((tmp_Sn_IR & INT_TIMEOUT) == INT_TIMEOUT) {
+                    sreg<uint8_t>(socket, Sn_ICR, INT_TIMEOUT);
+                    return 0;
+                }
+                break;
+            default :
+                break;
+        }
+    }
+
+    sreg<uint8_t>(socket, Sn_ICR, INT_SEND_OK);
+
+    return len;
+}
+
+int WIZnet_Chip::recv(int socket, char* buf, int len)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    uint16_t ptr = sreg<uint16_t>(socket, Sn_RX_RD);
+    uint32_t sn_rx_base = W7500x_RXMEM_BASE + (uint32_t)(socket<<18); 
+
+    for(int i=0; i<len; i++)
+        buf[i] = *(volatile uint8_t *)(sn_rx_base + ((ptr+i)&0xFFFF));
+
+    sreg<uint16_t>(socket, Sn_RX_RD, ptr + len);
+    scmd(socket, RECV);
+
+    return len;
+}
+
+int WIZnet_Chip::new_socket()
+{
+    for(int s = 0; s < MAX_SOCK_NUM; s++) {
+        if (sreg<uint8_t>(s, Sn_SR) == SOCK_CLOSED) {
+            return s;
+        }
+    }
+    return -1;
+}
+
+uint16_t WIZnet_Chip::new_port()
+{
+    uint16_t port = rand();
+    port |= 49152;
+    return port;
+}
+
+bool WIZnet_Chip::link(int wait_time_ms)
+{
+    Timer t;
+    t.reset();
+    t.start();
+    while(1) {
+        int is_link = ethernet_link();
+        
+        if (is_link) {
+            return true;
+        }
+        if (wait_time_ms != (-1) && t.read_ms() > wait_time_ms) {
+            break;
+        }
+    }
+    return 0;
+}
+
+void WIZnet_Chip::set_link(PHYMode phymode)
+{
+    int speed = -1;
+    int duplex = 0;
+
+    switch(phymode) {
+        case AutoNegotiate : speed = -1; duplex = 0; break;
+        case HalfDuplex10  : speed = 0;  duplex = 0; break;
+        case FullDuplex10  : speed = 0;  duplex = 1; break;
+        case HalfDuplex100 : speed = 1;  duplex = 0; break;
+        case FullDuplex100 : speed = 1;  duplex = 1; break;
+    }
+
+    ethernet_set_link(speed, duplex);
+}
+
+uint32_t str_to_ip(const char* str)
+{
+    uint32_t ip = 0;
+    char* p = (char*)str;
+    for(int i = 0; i < 4; i++) {
+        ip |= atoi(p);
+        p = strchr(p, '.');
+        if (p == NULL) {
+            break;
+        }
+        ip <<= 8;
+        p++;
+    }
+    return ip;
+}
+
+void printfBytes(char* str, uint8_t* buf, int len)
+{
+    printf("%s %d:", str, len);
+    for(int i = 0; i < len; i++) {
+        printf(" %02x", buf[i]);
+    }
+    printf("\n");
+}
+
+void printHex(uint8_t* buf, int len)
+{
+    for(int i = 0; i < len; i++) {
+        if ((i%16) == 0) {
+            printf("%p", buf+i);
+        }
+        printf(" %02x", buf[i]);
+        if ((i%16) == 15) {
+            printf("\n");
+        }
+    }
+    printf("\n");
+}
+
+void debug_hex(uint8_t* buf, int len)
+{
+    for(int i = 0; i < len; i++) {
+        if ((i%16) == 0) {
+            debug("%p", buf+i);
+        }
+        debug(" %02x", buf[i]);
+        if ((i%16) == 15) {
+            debug("\n");
+        }
+    }
+    debug("\n");
+}
+
+void WIZnet_Chip::scmd(int socket, Command cmd)
+{
+    sreg<uint8_t>(socket, Sn_CR, cmd);
+    while(sreg<uint8_t>(socket, Sn_CR));
+}
+
+
+void mdio_init(GPIO_TypeDef* GPIOx, uint16_t GPIO_Pin_MDC, uint16_t GPIO_Pin_MDIO)
+{
+    /* Set GPIOs for MDIO and MDC */
+    GPIO_InitTypeDef MDIO_InitDef;  
+    HAL_PAD_AFConfig(PAD_PB, GPIO_Pin_MDIO, PAD_AF1);  
+    HAL_PAD_AFConfig(PAD_PB, GPIO_Pin_MDC, PAD_AF1);  
+    MDIO_InitDef.GPIO_Pin = GPIO_Pin_MDC | GPIO_Pin_MDIO;
+    MDIO_InitDef.GPIO_Mode = GPIO_Mode_OUT;
+    HAL_GPIO_Init(GPIOx, &MDIO_InitDef);
+}
+
+void output_MDIO(GPIO_TypeDef* GPIOx, uint32_t val, uint32_t n)
+{
+    for(val <<= (32-n); n; val<<=1, n--)
+    {
+        if(val & 0x80000000)
+            HAL_GPIO_SetBits(GPIOx, MDIO); 
+        else
+            HAL_GPIO_ResetBits(GPIOx, MDIO);
+
+        wait_ms(MDC_WAIT);
+        HAL_GPIO_SetBits(GPIOx, MDC); 
+        wait_ms(MDC_WAIT);
+        HAL_GPIO_ResetBits(GPIOx, MDC);
+    }
+}
+
+uint32_t input_MDIO( GPIO_TypeDef* GPIOx )
+{
+    uint32_t i, val=0; 
+    for(i=0; i<16; i++)
+    {
+        val <<=1;
+        HAL_GPIO_SetBits(GPIOx, MDC); 
+        wait_ms(MDC_WAIT);
+        HAL_GPIO_ResetBits(GPIOx, MDC);
+        wait_ms(MDC_WAIT);
+        val |= HAL_GPIO_ReadInputDataBit(GPIOx, MDIO);
+    }
+    return (val);
+}
+
+void turnaround_MDIO( GPIO_TypeDef* GPIOx)
+{
+    GPIOx->OUTENCLR = MDIO ;
+    HAL_GPIO_SetBits(GPIOx, MDC); 
+    wait_ms(MDC_WAIT);
+    HAL_GPIO_ResetBits(GPIOx, MDC);
+    wait_ms(MDC_WAIT);
+}
+
+void idle_MDIO( GPIO_TypeDef* GPIOx )
+{
+    GPIOx->OUTENSET = MDIO ;
+    HAL_GPIO_SetBits(GPIOx,MDC); 
+    wait_ms(MDC_WAIT);
+    HAL_GPIO_ResetBits(GPIOx, MDC);
+    wait_ms(MDC_WAIT);
+}
+
+uint32_t mdio_read(GPIO_TypeDef* GPIOx, uint32_t PhyRegAddr)
+{
+    output_MDIO(GPIOx, 0xFFFFFFFF, 32);
+    output_MDIO(GPIOx, 0x06, 4);
+    output_MDIO(GPIOx, PHY_ADDR, 5);
+    output_MDIO(GPIOx, PhyRegAddr, 5);
+    turnaround_MDIO(GPIOx);
+    uint32_t val = input_MDIO(GPIOx );
+    idle_MDIO(GPIOx);
+    return val;
+}
+
+void mdio_write(GPIO_TypeDef* GPIOx, uint32_t PhyRegAddr, uint32_t val)
+{
+    output_MDIO(GPIOx, 0xFFFFFFFF, 32);
+    output_MDIO(GPIOx, 0x05, 4);
+    output_MDIO(GPIOx, PHY_ADDR, 5);
+    output_MDIO(GPIOx, PhyRegAddr, 5);
+    output_MDIO(GPIOx, 0x02, 2);
+    output_MDIO(GPIOx, val, 16);
+    idle_MDIO(GPIOx);
+}
+
+int WIZnet_Chip::ethernet_link(void) {
+    return ((mdio_read(GPIO_MDC, PHYREG_STATUS)>>SVAL)&0x01); 
+}
+
+void WIZnet_Chip::ethernet_set_link(int speed, int duplex) {
+    uint32_t val=0;
+    if((speed < 0) || (speed > 1)) {
+        val = CNTL_AUTONEGO; 
+    } else {
+        val = ((CNTL_SPEED&(speed<<11))|(CNTL_DUPLEX&(duplex<<7))); 
+    }
+    mdio_write(GPIO_MDC, PHYREG_CONTROL, val);
+}
+
+   void WIZnet_Chip::reg_rd_mac(uint16_t addr, uint8_t* data) 
+   {
+        data[0] = *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)(addr+3));
+        data[1] = *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)(addr+2));
+        data[2] = *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)(addr+1));
+        data[3] = *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)(addr+0));
+        data[4] = *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)(addr+7));
+        data[5] = *(volatile uint8_t *)(W7500x_WZTOE_BASE + (uint32_t)(addr+6));
+    }
+
+    void WIZnet_Chip::reg_wr_ip(uint16_t addr, uint8_t cb, const char* ip)
+    {
+        uint8_t buf[4]={0,};
+        uint32_t wr_ip = 0;
+        char* p = (char*)ip;
+        
+        for(int i = 0; i < 4; i++) {
+            wr_ip = (wr_ip<<8);
+            buf[i] = atoi(p);
+            wr_ip |= buf[i];
+            p = strchr(p, '.');
+            if (p == NULL) break;
+            p++;
+        }
+        *(volatile uint32_t *)(W7500x_WZTOE_BASE + (uint32_t)((cb<<16)+addr)) = wr_ip;
+    }
+
+    void WIZnet_Chip::sreg_ip(int socket, uint16_t addr, const char* ip) {
+        reg_wr_ip(addr,  (uint8_t)(0x01+(socket<<2)), ip);
+    }
+
+#endif
+
+