From 5650a758f8fa76131d9d41ad503cb4ce04892384 Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <w.hottgenroth@krohne.com>
Date: Mon, 9 Nov 2020 11:20:00 +0100
Subject: [PATCH] dhcp stuff

---
 cube/User/Src/wizHelper.c | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

diff --git a/cube/User/Src/wizHelper.c b/cube/User/Src/wizHelper.c
index 80e8758..606633a 100644
--- a/cube/User/Src/wizHelper.c
+++ b/cube/User/Src/wizHelper.c
@@ -10,11 +10,16 @@
 #include <wizchip_conf.h>
 
 
-wiz_NetInfo wizNetInfo = {
+wiz_NetInfo netInfo = {
     .mac = { 0xa0, 0x57, 0x62, 0x01, 0x02, 0x03 },
     .dhcp = NETINFO_DHCP
 };
 
+#define DHCP_BUFFER_SIZE 1024
+static uint8_t dhcpBuffer[DHCP_BUFFER_SIZE];
+
+const uint8_t DHCP_SOCK = 6;
+
 
 void wiz_cs_select(void) {
     HAL_GPIO_WritePin(ETHER_CS_GPIO_Port, ETHER_CS_Pin, GPIO_PIN_RESET);
@@ -54,6 +59,22 @@ static void wizDHCPHandler(void *handle) {
         coloredMsg(LOG_RED, "wizdh, ctlwizchip returns %d, phy link changed to %d", res, phyLink);
         lastStablePhyLink = phyLink;
     }
+    if (phyLink == PHY_LINK_ON) {
+        static uint8_t lastRes = 255;
+        uint8_t res = DHCP_run();
+        if (lastRes != res) {
+            coloredMsg(LOG_RED, "wizdh, dhcp state has changed: %d", res);
+            lastRes = res;
+        }
+    }
+}
+
+static void wizDHCPAssign() {
+    coloredMsg(LOG_RED, "wizda");
+}
+
+static void wizDHCPUpdate() {
+    coloredMsg(LOG_RED, "wizdu");
 }
 
 int wizInit() {
@@ -75,9 +96,14 @@ int wizInit() {
     int8_t res = wizchip_init(NULL, NULL);
     coloredMsg(LOG_RED, "wizI, module driver returned %d", res);
 
-    wizchip_setnetinfo(&wizNetInfo);
+    wizchip_setnetinfo(&netInfo);
     coloredMsg(LOG_RED, "wizI, netinfo set to Ethernet module");
 
+    memset(dhcpBuffer, 0, DHCP_BUFFER_SIZE);
+    reg_dhcp_cbfunc(wizDHCPAssign, wizDHCPUpdate, NULL);
+    DHCP_init(DHCP_SOCK, dhcpBuffer);
+    coloredMsg(LOG_RED, "wizI, DHCP initialized");
+
     schAdd(wizDHCPHandler, NULL, 0, 1000);
     coloredMsg(LOG_RED, "wizI, DHCP handler scheduled");