From 73e2aaf8fe7d22e7fe083660f810c79fa3860b89 Mon Sep 17 00:00:00 2001
From: Thomas Basler <thomas@familie-basler.net>
Date: Mon, 12 Sep 2022 21:04:53 +0200
Subject: [PATCH] Implemented setting/getting of limit/type for
 ActivePowerControl

---
 .../commands/ActivePowerControlCommand.cpp    | 38 +++++++++++++++++++
 .../src/commands/ActivePowerControlCommand.h  | 11 ++++++
 2 files changed, 49 insertions(+)

diff --git a/lib/Hoymiles/src/commands/ActivePowerControlCommand.cpp b/lib/Hoymiles/src/commands/ActivePowerControlCommand.cpp
index 94738fb..26fff1f 100644
--- a/lib/Hoymiles/src/commands/ActivePowerControlCommand.cpp
+++ b/lib/Hoymiles/src/commands/ActivePowerControlCommand.cpp
@@ -1,8 +1,46 @@
 #include "ActivePowerControlCommand.h"
 
+#define CRC_SIZE 6
+
 ActivePowerControlCommand::ActivePowerControlCommand(uint64_t target_address, uint64_t router_address)
     : DevControlCommand(target_address, router_address)
 {
+    _payload[10] = 0x0b;
+    _payload[11] = 0x00;
+    _payload[12] = 0x00;
+    _payload[13] = 0x00;
+    _payload[14] = 0x00;
+    _payload[15] = 0x00;
+
+    udpateCRC(CRC_SIZE); // 2 byte crc
+
+    _payload_size = 18;
+}
+
+void ActivePowerControlCommand::setActivePowerLimit(float limit, PowerLimitControlType type)
+{
+    uint16_t l = limit * 10;
+
+    // limit
+    _payload[12] = (l >> 8) & 0xff;
+    _payload[13] = (l) & 0xff;
+
+    // type
+    _payload[14] = (type >> 8) & 0xff;
+    _payload[15] = (type) & 0xff;
+
+    udpateCRC(CRC_SIZE);
+}
+
+float ActivePowerControlCommand::getLimit()
+{
+    uint16_t l = (((uint16_t)_payload[12] << 8) | _payload[13]);
+    return l / 10;
+}
+
+PowerLimitControlType ActivePowerControlCommand::getType()
+{
+    return (PowerLimitControlType)(((uint16_t)_payload[14] << 8) | _payload[15]);
 }
 
 bool ActivePowerControlCommand::handleResponse(InverterAbstract* inverter, fragment_t fragment[], uint8_t max_fragment_id)
diff --git a/lib/Hoymiles/src/commands/ActivePowerControlCommand.h b/lib/Hoymiles/src/commands/ActivePowerControlCommand.h
index 4db6a0f..c086708 100644
--- a/lib/Hoymiles/src/commands/ActivePowerControlCommand.h
+++ b/lib/Hoymiles/src/commands/ActivePowerControlCommand.h
@@ -2,9 +2,20 @@
 
 #include "DevControlCommand.h"
 
+typedef enum { // ToDo: to be verified by field tests
+    AbsolutNonPersistent = 0x0000, // 0
+    RelativNonPersistent = 0x0001, // 1
+    AbsolutPersistent = 0x0100, // 256
+    RelativPersistent = 0x0101 // 257
+} PowerLimitControlType;
+
 class ActivePowerControlCommand : public DevControlCommand {
 public:
     ActivePowerControlCommand(uint64_t target_address = 0, uint64_t router_address = 0);
 
+    void setActivePowerLimit(float limit, PowerLimitControlType type = RelativNonPersistent);
+    float getLimit();
+    PowerLimitControlType getType();
+
     virtual bool handleResponse(InverterAbstract* inverter, fragment_t fragment[], uint8_t max_fragment_id);
 };
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