Diff: arch/int/W7500x_toe.cpp

Revision:

0:6f28332c466f

Child:

2:26df0dc6e227

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/arch/int/W7500x_toe.cpp	Mon Jun 15 11:18:37 2015 +0900
@@ -0,0 +1,491 @@
+/* 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 "mbed.h"
+#include "mbed_debug.h"
+#include "W7500x_toe.h"
+#include "DNSClient.h"
+
+#ifdef USE_W7500
+
+/*
+ * 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()
+ */
+#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)
+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;
+	mdio_init(GPIO_MDC, MDC, MDIO);
+}
+
+// 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;
+		printf("addr : %x\r\n", *ip);
+		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
+
+	/* 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
+	*(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	
+	// 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();
+		printf("is_link:%d\r\n", is_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 ethernet_link(void) {
+	return ((mdio_read(GPIO_MDC, PHYREG_STATUS)>>SVAL)&0x01); 
+}
+
+void 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);
+}
+#endif
+