Merge branch 'devel-stm32EC' into devel-ash-temp0120

DCCTimerSTM32.cpp

@@ -56,9 +56,9 @@ HardwareSerial Serial5(PD2, PC12);  // Rx=PD2, Tx=PC12 -- UART5 - F446RE
       defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F439ZI)
 // Nucleo-144 boards don't have Serial1 defined by default
 HardwareSerial Serial6(PG9, PG14);  // Rx=PG9, Tx=PG14 -- USART6
-HardwareSerial Serial5(PD2, PC12);  // Rx=PD2, Tx=PC12 -- UART5
-#if !defined(ARDUINO_NUCLEO_F412ZG)
-  HardwareSerial Serial2(PD6, PD5);  // Rx=PD6, Tx=PD5 -- UART5
+HardwareSerial Serial2(PD6, PD5);  // Rx=PD6, Tx=PD5 -- UART2
+#if !defined(ARDUINO_NUCLEO_F412ZG)  // F412ZG does not have UART5
+  HardwareSerial Serial5(PD2, PC12);  // Rx=PD2, Tx=PC12 -- UART5
 #endif  
 // Serial3 is defined to use USART3 by default, but is in fact used as the diag console
 // via the debugger on the Nucleo-144. It is therefore unavailable for other DCC-EX uses like WiFi, DFPlayer, etc.

EthernetInterface.cpp

@@ -41,8 +41,11 @@ void EthernetInterface::setup()
     DIAG(F("Prog Error!"));
     return;
   }
-  if ((singleton=new EthernetInterface()))
+  DIAG(F("Ethernet Class setup, attempting to instantiate"));
+  if ((singleton=new EthernetInterface())) {
+    DIAG(F("Ethernet Class initialized"));
     return;
+  }
   DIAG(F("Ethernet not initialized"));
 };
 
@@ -59,24 +62,47 @@ static IPAddress myIP(IP_ADDRESS);
  */
 EthernetInterface::EthernetInterface()
 {
-    byte mac[6];
-    DCCTimer::getSimulatedMacAddress(mac);
     connected=false;
-
-#ifdef IP_ADDRESS
+#if defined(STM32_ETHERNET)
+    // Set a HOSTNAME for the DHCP request - a nice to have, but hard it seems on LWIP for STM32
+    // The default is "lwip", which is **always** set in STM32Ethernet/src/utility/ethernetif.cpp
+    // for some reason. One can edit it to instead read:
+    //      #if LWIP_NETIF_HOSTNAME
+    //      /* Initialize interface hostname */
+    //      if (netif->hostname == NULL)
+    //         netif->hostname = "lwip";
+    //      #endif /* LWIP_NETIF_HOSTNAME */
+    // Which seems more useful! We should propose the patch... so the following line actually works!
+    netif_set_hostname(&gnetif, WIFI_HOSTNAME);   // Should probably be passed in the contructor...
+  #ifdef IP_ADDRESS
+    Ethernet.begin(myIP);
+  #else
+    if (Ethernet.begin() == 0)
+    {
+        DIAG(F("Ethernet.begin FAILED"));
+        return;
+    } 
+  #endif // IP_ADDRESS
+#else // All other architectures
+    byte mac[6]= { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+    DIAG(F("Ethernet attempting to get MAC address"));
+    DCCTimer::getSimulatedMacAddress(mac);
+    DIAG(F("Ethernet got MAC address"));
+  #ifdef IP_ADDRESS
     Ethernet.begin(mac, myIP);
-#else
+  #else
     if (Ethernet.begin(mac) == 0)
     {
         DIAG(F("Ethernet.begin FAILED"));
         return;
-    } 
-#endif
+    }
+  #endif // IP_ADDRESS
     if (Ethernet.hardwareStatus() == EthernetNoHardware) {
       DIAG(F("Ethernet shield not found or W5100"));
     }
-
-    unsigned long startmilli = millis();
+#endif // STM32_ETHERNET
+
+    uint32_t startmilli = millis();
     while ((millis() - startmilli) < 5500) { // Loop to give time to check for cable connection
         if (Ethernet.linkStatus() == LinkON)
             break;
@@ -140,8 +166,10 @@ bool EthernetInterface::checkLink() {
       DIAG(F("Ethernet cable connected"));
       connected=true;
       #ifdef IP_ADDRESS
+      #ifndef STM32_ETHERNET
       Ethernet.setLocalIP(myIP);      // for static IP, set it again
       #endif
+      #endif
       IPAddress ip = Ethernet.localIP();    // look what IP was obtained (dynamic or static)
       server = new EthernetServer(IP_PORT); // Ethernet Server listening on default port IP_PORT
       server->begin();
@@ -175,17 +203,25 @@ void EthernetInterface::loop2() {
       return;
     }
     // get client from the server
+  #if defined (STM32_ETHERNET)
+    // STM32Ethernet doesn't use accept(), just available()
+    EthernetClient client = server->available();
+  #else
     EthernetClient client = server->accept();
-
+  #endif
     // check for new client
     if (client)
     {
-        if (Diag::ETHERNET) DIAG(F("Ethernet: New client "));
         byte socket;
         for (socket = 0; socket < MAX_SOCK_NUM; socket++)
         {
-            if (!clients[socket])
+          if (clients[socket]) {
+            if (clients[socket] == client)
+              break;
+          }
+          else //if (!clients[socket])
             {
+                if (Diag::ETHERNET) DIAG(F("Ethernet: New client "));
                 // On accept() the EthernetServer doesn't track the client anymore
                 // so we store it in our client array
                 if (Diag::ETHERNET) DIAG(F("Socket %d"),socket);

EthernetInterface.h

@@ -35,8 +35,18 @@
 #if defined (ARDUINO_TEENSY41)
  #include <NativeEthernet.h>         //TEENSY Ethernet Treiber
  #include <NativeEthernetUdp.h>   
+ #define MAX_SOCK_NUM 4
+#elif defined (ARDUINO_NUCLEO_F429ZI) || defined (ARDUINO_NUCLEO_F439ZI)
+ #include <LwIP.h>
+//  #include "STM32lwipopts.h"
+ #include <STM32Ethernet.h>
+ #include <lwip/netif.h>
+ extern "C" struct netif gnetif;
+ #define STM32_ETHERNET
+ #define MAX_SOCK_NUM 10
 #else
  #include "Ethernet.h"
+ #define MAX_SOCK_NUM 4
 #endif
 #include "RingStream.h"
 

I2CManager.cpp

@@ -54,6 +54,8 @@ static const FSH * guessI2CDeviceType(uint8_t address) {
     return F("Time-of-flight sensor");
   else if (address >= 0x3c && address <= 0x3d)
     return F("OLED Display");
+  else if (address >= 0x48 && address <= 0x57) // Henkk: Added SC16IS752 UART detection
+    return F("SC16IS752 UART");
   else if (address >= 0x48 && address <= 0x4f)
     return F("Analogue Inputs or PWM");
   else if (address >= 0x40 && address <= 0x4f)
@@ -64,8 +66,9 @@ static const FSH * guessI2CDeviceType(uint8_t address) {
     return F("Real-time clock"); 
   else if (address >= 0x70 && address <= 0x77)
     return F("I2C Mux");
-  else
-    return F("?");
+  else if (address >= 0x90 && address <= 0xAE)
+    return F("UART");
+  return F("?");
 }
 
 // If not already initialised, initialise I2C
@@ -363,4 +366,4 @@ void I2CAddress::toHex(const uint8_t value, char *buffer) {
 
 /* static */ bool I2CAddress::_addressWarningDone = false;
 
-#endif
+#endif

I2CManager_STM32.h

@@ -39,7 +39,7 @@
 #if defined(I2C_USE_INTERRUPTS) && defined(ARDUINO_ARCH_STM32)
 #if defined(ARDUINO_NUCLEO_F401RE) || defined(ARDUINO_NUCLEO_F411RE) || defined(ARDUINO_NUCLEO_F446RE) \
     || defined(ARDUINO_NUCLEO_F412ZG) || defined(ARDUINO_NUCLEO_F413ZH) \
-    || defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F446ZE)
+    || defined(ARDUINO_NUCLEO_F429ZI) || defined(ARDUINO_NUCLEO_F439ZI) || defined(ARDUINO_NUCLEO_F446ZE)
 // Assume I2C1 for now - default I2C bus on Nucleo-F411RE and likely all Nucleo-64
 // and Nucleo-144 variants
 I2C_TypeDef *s = I2C1;
@@ -184,7 +184,7 @@ void I2CManagerClass::I2C_init()
   GPIOB->OTYPER |= (1<<8) | (1<<9);           // PB8 and PB9 set to open drain output capability
   GPIOB->OSPEEDR |= (3<<(8*2)) | (3<<(9*2));  // PB8 and PB9 set to High Speed mode
   GPIOB->PUPDR &= ~((3<<(8*2)) | (3<<(9*2))); // Clear all PUPDR bits for PB8 and PB9
-  GPIOB->PUPDR |= (1<<(8*2)) | (1<<(9*2));    // PB8 and PB9 set to pull-up capability
+  // GPIOB->PUPDR |= (1<<(8*2)) | (1<<(9*2));    // PB8 and PB9 set to pull-up capability
   // Alt Function High register routing pins PB8 and PB9 for I2C1:
   // Bits (3:2:1:0) = 0:1:0:0 --> AF4 for pin PB8
   // Bits (7:6:5:4) = 0:1:0:0 --> AF4 for pin PB9

IODevice.h

@@ -22,7 +22,8 @@
 #define iodevice_h
 
 // Define symbol DIAG_IO to enable diagnostic output
-//#define DIAG_IO Y
+//#define DIAG_IO
+
 
 // Define symbol DIAG_LOOPTIMES to enable CS loop execution time to be reported
 //#define DIAG_LOOPTIMES