Revision 9:f390679a0468, committed 2018-06-04

Comitter:

zhangyx

Date:

Mon Jun 04 14:31:13 2018 +0000

Parent:

8:cb8808b47e69

Commit message:

allow NC for reset pin

Changed in this revision

--- a/WIZnetInterface/DHCPClient/DHCPClient.cpp	Sun May 31 10:25:40 2015 +0000
+++ b/WIZnetInterface/DHCPClient/DHCPClient.cpp	Mon Jun 04 14:31:13 2018 +0000
@@ -7,8 +7,9 @@
 #define DBG_DHCP 0
 
 #if DBG_DHCP
-#define DBG(...) do{debug("[%s:%d]", __PRETTY_FUNCTION__,__LINE__);debug(__VA_ARGS__);} while(0);
-#define DBG_HEX(A,B) do{debug("[%s:%d]\r\n", __PRETTY_FUNCTION__,__LINE__);debug_hex(A,B);} while(0);
+extern Serial pc;
+#define DBG(...) do{pc.printf("[%s:%d]", __PRETTY_FUNCTION__,__LINE__);pc.printf(__VA_ARGS__);} while(0);
+#define DBG_HEX(A,B) do{pc.printf("[%s:%d]\r\n", __PRETTY_FUNCTION__,__LINE__);pc.printf("%x %x\r\n",A,B);} while(0);
 #else
 #define DBG(...) while(0);
 #define DBG_HEX(A,B) while(0);
@@ -19,7 +20,7 @@
     m_pos = 0;
     const uint8_t header[] = {0x01,0x01,0x06,0x00};
     add_buf((uint8_t*)header, sizeof(header));
-    uint32_t x = time(NULL) + rand();
+    uint32_t x = rand();
     xid[0] = x>>24; xid[1] = x>>16; xid[2] = x>>8; xid[3] = x;
     add_buf(xid, 4);
     fill_buf(20, 0x00);
@@ -112,6 +113,7 @@
 {
     Endpoint host;
     int recv_len = m_udp->receiveFrom(host, (char*)m_buf, sizeof(m_buf));
+    DBG("%d\r\n",recv_len);
     if (recv_len < 0) {
         return;
     }
@@ -168,7 +170,7 @@
     }
     m_udp = new UDPSocket;
     m_udp->init();
-    m_udp->set_blocking(false);
+    m_udp->set_blocking(false,5000);
     eth->reg_wr<uint32_t>(SIPR, 0x00000000); // local ip "0.0.0.0"
     m_udp->bind(68); // local port
     m_server.set_address("255.255.255.255", 67); // DHCP broadcast
@@ -184,7 +186,9 @@
                 break;
             case 1:
                 send_size = discover();
+                DBG("sendTo\r\n");
                 m_udp->sendTo(m_server, (char*)m_buf, send_size);
+                DBG("after sendTo\r\n");
                 m_interval.reset();
                 m_interval.start();
                 seq++;

--- a/WIZnetInterface/WIZnet/W5500.cpp	Sun May 31 10:25:40 2015 +0000
+++ b/WIZnetInterface/WIZnet/W5500.cpp	Mon Jun 04 14:31:13 2018 +0000
@@ -45,20 +45,28 @@
 WIZnet_Chip* WIZnet_Chip::inst;
 
 WIZnet_Chip::WIZnet_Chip(PinName mosi, PinName miso, PinName sclk, PinName _cs, PinName _reset):
-    cs(_cs), reset_pin(_reset)
+    cs(_cs)
 {
     spi = new SPI(mosi, miso, sclk);
     cs = 1;
-    reset_pin = 1;
+    if(_reset != NC){
+        reset_pin = new DigitalOut(_reset);
+        *reset_pin = 1;
+    }else
+        reset_pin = NULL;
     inst = this;
 }
 
 WIZnet_Chip::WIZnet_Chip(SPI* spi, PinName _cs, PinName _reset):
-    cs(_cs), reset_pin(_reset)
+    cs(_cs)
 {
     this->spi = spi;
     cs = 1;
-    reset_pin = 1;
+    if(_reset != NC){
+        reset_pin = new DigitalOut(_reset);
+        *reset_pin = 1;
+    }else
+        reset_pin = NULL;
     inst = this;
 }
 
@@ -149,12 +157,13 @@
 // Reset the chip & set the buffer
 void WIZnet_Chip::reset()
 {
-    reset_pin = 1;
-    reset_pin = 0;
-    wait_us(500); // 500us (w5500)
-    reset_pin = 1;
-    wait_ms(400); // 400ms (w5500)
-
+    if(reset_pin != NULL){
+        *reset_pin = 1;
+        *reset_pin = 0;
+        wait_us(500); // 500us (w5500)
+        *reset_pin = 1;
+        wait_ms(400); // 400ms (w5500)
+    }
 #if defined(USE_WIZ550IO_MAC)
     reg_rd_mac(SHAR, mac); // read the MAC address inside the module
 #endif

--- a/WIZnetInterface/WIZnet/W5500.h	Sun May 31 10:25:40 2015 +0000
+++ b/WIZnetInterface/WIZnet/W5500.h	Mon Jun 04 14:31:13 2018 +0000
@@ -271,7 +271,7 @@
     void spi_read(uint16_t addr, uint8_t cb, uint8_t *buf, uint16_t len);
     SPI* spi;
     DigitalOut cs;
-    DigitalOut reset_pin;
+    DigitalOut *reset_pin;
 };
 
 extern uint32_t str_to_ip(const char* str);