From fc92896ef5e4adf30d6b3118b68f3437a94548d5 Mon Sep 17 00:00:00 2001
From: gemu2015 <gmutz2010@googlemail.com>
Date: Tue, 4 Feb 2020 07:07:56 +0100
Subject: [PATCH] sml dynamic baud and transmit support

---
 tasmota/xdrv_10_scripter.ino | 24 ++++++++++++++++++++
 tasmota/xsns_53_sml.ino      | 44 ++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)

diff --git a/tasmota/xdrv_10_scripter.ino b/tasmota/xdrv_10_scripter.ino
index 09406e810..c874ab85c 100755
--- a/tasmota/xdrv_10_scripter.ino
+++ b/tasmota/xdrv_10_scripter.ino
@@ -1714,6 +1714,30 @@ chknext:
           len=0;
           goto exit;
         }
+#endif
+#ifdef USE_SML_SCRIPT_CMD
+        if (!strncmp(vname,"sml(",4)) {
+          lp+=4;
+          float fvar1;
+          lp=GetNumericResult(lp,OPER_EQU,&fvar1,0);
+          SCRIPT_SKIP_SPACES
+          float fvar2;
+          lp=GetNumericResult(lp,OPER_EQU,&fvar2,0);
+          SCRIPT_SKIP_SPACES
+          if (fvar2==0) {
+            float fvar3;
+            lp=GetNumericResult(lp,OPER_EQU,&fvar3,0);
+            fvar=SML_SetBaud(fvar1,fvar3);
+          } else {
+            char str[SCRIPT_MAXSSIZE];
+            lp=GetStringResult(lp,OPER_EQU,str,0);
+            fvar=SML_Write(fvar1,str);
+          }
+          lp++;
+          fvar=0;
+          len=0;
+          goto exit;
+        }
 #endif
         break;
       case 't':
diff --git a/tasmota/xsns_53_sml.ino b/tasmota/xsns_53_sml.ino
index 1af1f526c..ebc534113 100755
--- a/tasmota/xsns_53_sml.ino
+++ b/tasmota/xsns_53_sml.ino
@@ -2109,6 +2109,50 @@ init10:
 }
 
 
+#ifdef USE_SML_SCRIPT_CMD
+uint32_t SML_SetBaud(uint32_t meter, uint32_t br) {
+  if (meter<1 || meter>meters_used) return 0;
+  meter--;
+  if (!meter_ss[meter]) return 0;
+  if (meter_ss[meter]->begin(br)) {
+    meter_ss[meter]->flush();
+  }
+  if (meter_ss[meter]->hardwareSerial()) {
+    if (meter_desc_p[meter].type=='M') {
+      Serial.begin(br, SERIAL_8E1);
+    }
+  }
+  return 1;
+}
+
+uint32_t SML_Write(uint32_t meter,char *hstr) {
+  if (meter<1 || meter>meters_used) return 0;
+  meter--;
+  if (!meter_ss[meter]) return 0;
+
+  SML_Send_Seq(meter,hstr);
+
+  /*
+
+  uint8_t sbuff[32];
+  uint8_t *ucp=sbuff,slen=0;
+  char *cp=hstr;
+  while (*cp) {
+    if (!*cp || !*(cp+1)) break;
+    uint8_t iob=(sml_hexnibble(*cp) << 4) | sml_hexnibble(*(cp+1));
+    cp+=2;
+    *ucp++=iob;
+    slen++;
+    if (slen>=sizeof(sbuff)) break;
+  }
+  meter_ss[meter]->write(sbuff,slen);
+  return slen;
+  */
+  return 1;
+}
+#endif
+
+
 void SetDBGLed(uint8_t srcpin, uint8_t ledpin) {
     pinMode(ledpin, OUTPUT);
     if (digitalRead(srcpin)) {