From 0bfa5af3adf1882d726f3ac7ba7a78e94a7b194e Mon Sep 17 00:00:00 2001
From: Theo Arends <11044339+arendst@users.noreply.github.com>
Date: Wed, 29 Dec 2021 17:46:52 +0100
Subject: [PATCH] Fix Sonoff SPM relay GUI display

Fix Sonoff SPM relay GUI display (#13447)
---
 tasmota/xdrv_86_esp32_sonoff_spm.ino | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/tasmota/xdrv_86_esp32_sonoff_spm.ino b/tasmota/xdrv_86_esp32_sonoff_spm.ino
index dc770c7e4..c019e36fb 100644
--- a/tasmota/xdrv_86_esp32_sonoff_spm.ino
+++ b/tasmota/xdrv_86_esp32_sonoff_spm.ino
@@ -69,9 +69,9 @@
  * GPIO03 - Serial console RX
  * GPIO04 - ARM processor TX (115200bps8N1)
  * GPIO05 - ETH POWER
- * GPIO12 - SPI MOSI ARM output (pin36 - PB15) - ESP input
- * GPIO13 - SPI MISO ESP output - ARM input (pin35 - PB14)
- * GPIO14 - SPI CLK ESP input (ARM pin34 - PB13)
+ * GPIO12 - SPI MISO to MOSI ARM output (pin36 - PB15)
+ * GPIO13 - SPI MOSI to MISO ARM input (pin35 - PB14)
+ * GPIO14 - SPI SCLK to ARM input (ARM pin34 - PB13)
  * GPIO15 - ARM reset (output) - 18ms low active 125ms after restart esp32
  * GPIO16 - ARM processor RX
  * GPIO17 - EMAC_CLK_OUT_180
@@ -1204,6 +1204,7 @@ void SSPMEnergyShow(bool json) {
 
     if (index) {
       uint32_t offset = 0;
+/*
       if (index > 4) {
         Sspm->rotate++;
         if (Sspm->rotate >= ((index -1) >> 2) << 3) {
@@ -1211,6 +1212,15 @@ void SSPMEnergyShow(bool json) {
         }
         offset = (Sspm->rotate >> 2) * 4;
       }
+*/
+      if (index > 4) {
+        Sspm->rotate++;
+        if (Sspm->rotate >= (index | 0x3)) {
+          Sspm->rotate = 0;
+        }
+        offset = (Sspm->rotate >> 2) * 4;
+      }
+
       uint32_t count = index - offset;
       if (count > 4) { count = 4; }
       WSContentSend_P(PSTR("</table>{t}{s}")); // First column is empty ({t} = <table style='width:100%'>, {s} = <tr><th>)