Added frequency and command definitions for the 900 MHz band (North America)

lib/CMT2300a/cmt2300a_params_900.h

@@ -0,0 +1,216 @@
+/*
+;---------------------------------------
+;  CMT2300A Configuration File
+;  Generated by CMOSTEK RFPDK 1.46
+;  2023.03.17 23:16
+;---------------------------------------
+; Mode                      = Advanced
+; Part Number               = CMT2300A
+; Frequency                 = 900.000 MHz
+; Xtal Frequency            = 26.0000 MHz
+; Demodulation              = GFSK
+; AGC                       = On
+; Data Rate                 = 20.0 kbps
+; Deviation                 = 20.0 kHz
+; Tx Xtal Tol.              = 20 ppm
+; Rx Xtal Tol.              = 20 ppm
+; TRx Matching Network Type = 20 dBm
+; Tx Power                  = +13 dBm
+; Gaussian BT               = 0.5
+; Bandwidth                 = Auto-Select kHz
+; CDR Type                  = Counting
+; CDR DR Range              = NA
+; AFC                       = On
+; AFC Method                = Auto-Select
+; Data Representation       = 0:F-low 1:F-high
+; Rx Duty-Cycle             = Off
+; Tx Duty-Cycle             = Off
+; Sleep Timer               = Off
+; Sleep Time                = NA
+; Rx Timer                  = Off
+; Rx Time T1                = NA
+; Rx Time T2                = NA
+; Rx Exit State             = STBY
+; Tx Exit State             = STBY
+; SLP Mode                  = Disable
+; RSSI Valid Source         = PJD
+; PJD Window                = 8 Jumps
+; LFOSC Calibration         = On
+; Xtal Stable Time          = 155 us
+; RSSI Compare TH           = NA
+; Data Mode                 = Packet
+; Whitening                 = Disable
+; Whiten Type               = NA
+; Whiten Seed Type          = NA
+; Whiten Seed               = NA
+; Manchester                = Disable
+; Manchester Type           = NA
+; FEC                       = Enable
+; FEC Type                  = x^3+x^2+1
+; Tx Prefix Type            = 0
+; Tx Packet Number          = 1
+; Tx Packet Gap             = 32
+; Packet Type               = Variable Length
+; Node-Length Position      = First Node, then Length
+; Payload Bit Order         = Start from msb
+; Preamble Rx Size          = 2
+; Preamble Tx Size          = 30
+; Preamble Value            = 170
+; Preamble Unit             = 8-bit
+; Sync Size                 = 4-byte
+; Sync Value                = 1296587336
+; Sync Tolerance            = None
+; Sync Manchester           = Disable
+; Node ID Size              = NA
+; Node ID Value             = NA
+; Node ID Mode              = None
+; Node ID Err Mask          = Disable
+; Node ID Free              = Disable
+; Payload Length            = 32
+; CRC Options               = IBM-16
+; CRC Seed                  = 0 crc_seed
+; CRC Range                 = Entire Payload
+; CRC Swap                  = Start from MSB
+; CRC Bit Invert            = Normal
+; CRC Bit Order             = Start from bit 15
+; Dout Mute                 = Off
+; Dout Adjust Mode          = Disable
+; Dout Adjust Percentage    = NA
+; Collision Detect          = Off
+; Collision Detect Offset   = NA
+; RSSI Detect Mode          = At PREAM_OK
+; RSSI Filter Setting       = 32-tap
+; RF Performance            = High
+; LBD Threshold             = 2.4 V
+; RSSI Offset               = 0
+; RSSI Offset Sign          = 0
+*/
+#ifndef __CMT2300A_PARAMS_900_H
+#define __CMT2300A_PARAMS_900_H
+
+#include "cmt2300a_defs.h"
+#include <stdint.h>
+
+#define CMT_BASE_FREQ_900 900000000
+
+/* [CMT Bank] with RSSI offset of +- 0 (and Tx power double bit not set) */
+static uint8_t g_cmt2300aCmtBank_900[CMT2300A_CMT_BANK_SIZE] = {
+0x00,
+0x66,
+0xEC,
+0x1C,
+0x70,
+0x80,
+0x14,
+0x08,
+0x11,
+0x02,
+0x02,
+0x00,
+};
+
+/* [System Bank] */
+static uint8_t g_cmt2300aSystemBank_900[CMT2300A_SYSTEM_BANK_SIZE] = {
+0xAE,
+0xE0,
+0x35,
+0x00,
+0x00,
+0xF4,
+0x10,
+0xE2,
+0x42,
+0x20,
+0x0C,
+0x81,
+};
+
+/* [Frequency Bank] 900 MHz */
+static uint8_t g_cmt2300aFrequencyBank_900[CMT2300A_FREQUENCY_BANK_SIZE] = {
+0x45,
+0x46,
+0x0A,
+0x84,
+0x45,
+0x3B,
+0xB1,
+0x13,
+};
+
+/* [Data Rate Bank] */
+static uint8_t g_cmt2300aDataRateBank_900[CMT2300A_DATA_RATE_BANK_SIZE] = {
+0xA6,
+0xC9,
+0x20,
+0x20,
+0xD2,
+0x35,
+0x0C,
+0x0B,
+0x9F,
+0x4B,
+0x29,
+0x29,
+0xC0,
+0x14,
+0x05,
+0x53,
+0x10,
+0x00,
+0xB4,
+0x00,
+0x00,
+0x01,
+0x00,
+0x00,
+};
+
+/* [Baseband Bank] - EU */
+static uint8_t g_cmt2300aBasebandBank_900[CMT2300A_BASEBAND_BANK_SIZE] = {
+0x12,
+0x1E,
+0x00,
+0xAA,
+0x06,
+0x00,
+0x00,
+0x00,
+0x00,
+0x48,
+0x5A,
+0x48,
+0x4D,
+0x01,
+0x1F,
+0x00,
+0x00,
+0x00,
+0x00,
+0x00,
+0xC3,
+0x00,
+0x00,
+0x60,
+0xFF,
+0x00,
+0x00,
+0x1F,
+0x10,
+};
+
+/* [Tx Bank] 13 dBm */
+static uint8_t g_cmt2300aTxBank_900[CMT2300A_TX_BANK_SIZE] = {
+0x70,
+0x4D,
+0x06,
+0x00,
+0x07,
+0x50,
+0x00,
+0x53,
+0x09,
+0x3F,
+0x7F,
+};
+
+#endif

lib/CMT2300a/cmt2300wrapper.cpp

@@ -5,6 +5,7 @@
 #include "cmt2300wrapper.h"
 #include "cmt2300a.h"
 #include "cmt2300a_params_860.h"
+#include "cmt2300a_params_900.h"
 
 CMT2300A::CMT2300A(uint8_t pin_sdio, uint8_t pin_clk, uint8_t pin_cs, uint8_t pin_fcs, uint32_t spi_speed)
 {
@@ -244,7 +245,25 @@ bool CMT2300A::rxFifoAvailable()
 
 uint32_t CMT2300A::getBaseFrequency()
 {
-    return CMT_BASE_FREQ_860; // from Frequency Bank in cmt2300a_params.h
+    switch (_countryMode) {
+    case CountryFrequency_t::MODE_900:
+        return CMT_BASE_FREQ_900;
+        break;
+    default:
+        return CMT_BASE_FREQ_860;
+        break;
+    }
+}
+
+CountryFrequency_t CMT2300A::getCountryMode() const
+{
+    return _countryMode;
+}
+
+void CMT2300A::setCountryMode(const CountryFrequency_t mode)
+{
+    _countryMode = mode;
+    _init_radio();
 }
 
 void CMT2300A::flush_rx(void)
@@ -266,12 +285,24 @@ bool CMT2300A::_init_radio()
     }
 
     /* config registers */
-    CMT2300A_ConfigRegBank(CMT2300A_CMT_BANK_ADDR, g_cmt2300aCmtBank_860, CMT2300A_CMT_BANK_SIZE);
+    switch (_countryMode) {
-    CMT2300A_ConfigRegBank(CMT2300A_SYSTEM_BANK_ADDR, g_cmt2300aSystemBank_860, CMT2300A_SYSTEM_BANK_SIZE);
+    case CountryFrequency_t::MODE_900:
-    CMT2300A_ConfigRegBank(CMT2300A_FREQUENCY_BANK_ADDR, g_cmt2300aFrequencyBank_860, CMT2300A_FREQUENCY_BANK_SIZE);
+        CMT2300A_ConfigRegBank(CMT2300A_CMT_BANK_ADDR, g_cmt2300aCmtBank_900, CMT2300A_CMT_BANK_SIZE);
-    CMT2300A_ConfigRegBank(CMT2300A_DATA_RATE_BANK_ADDR, g_cmt2300aDataRateBank_860, CMT2300A_DATA_RATE_BANK_SIZE);
+        CMT2300A_ConfigRegBank(CMT2300A_SYSTEM_BANK_ADDR, g_cmt2300aSystemBank_900, CMT2300A_SYSTEM_BANK_SIZE);
-    CMT2300A_ConfigRegBank(CMT2300A_BASEBAND_BANK_ADDR, g_cmt2300aBasebandBank_860, CMT2300A_BASEBAND_BANK_SIZE);
+        CMT2300A_ConfigRegBank(CMT2300A_FREQUENCY_BANK_ADDR, g_cmt2300aFrequencyBank_900, CMT2300A_FREQUENCY_BANK_SIZE);
-    CMT2300A_ConfigRegBank(CMT2300A_TX_BANK_ADDR, g_cmt2300aTxBank_860, CMT2300A_TX_BANK_SIZE);
+        CMT2300A_ConfigRegBank(CMT2300A_DATA_RATE_BANK_ADDR, g_cmt2300aDataRateBank_900, CMT2300A_DATA_RATE_BANK_SIZE);
+        CMT2300A_ConfigRegBank(CMT2300A_BASEBAND_BANK_ADDR, g_cmt2300aBasebandBank_900, CMT2300A_BASEBAND_BANK_SIZE);
+        CMT2300A_ConfigRegBank(CMT2300A_TX_BANK_ADDR, g_cmt2300aTxBank_900, CMT2300A_TX_BANK_SIZE);
+        break;
+    default:
+        CMT2300A_ConfigRegBank(CMT2300A_CMT_BANK_ADDR, g_cmt2300aCmtBank_860, CMT2300A_CMT_BANK_SIZE);
+        CMT2300A_ConfigRegBank(CMT2300A_SYSTEM_BANK_ADDR, g_cmt2300aSystemBank_860, CMT2300A_SYSTEM_BANK_SIZE);
+        CMT2300A_ConfigRegBank(CMT2300A_FREQUENCY_BANK_ADDR, g_cmt2300aFrequencyBank_860, CMT2300A_FREQUENCY_BANK_SIZE);
+        CMT2300A_ConfigRegBank(CMT2300A_DATA_RATE_BANK_ADDR, g_cmt2300aDataRateBank_860, CMT2300A_DATA_RATE_BANK_SIZE);
+        CMT2300A_ConfigRegBank(CMT2300A_BASEBAND_BANK_ADDR, g_cmt2300aBasebandBank_860, CMT2300A_BASEBAND_BANK_SIZE);
+        CMT2300A_ConfigRegBank(CMT2300A_TX_BANK_ADDR, g_cmt2300aTxBank_860, CMT2300A_TX_BANK_SIZE);
+        break;
+    }
 
     // xosc_aac_code[2:0] = 2
     uint8_t tmp;

lib/CMT2300a/cmt2300wrapper.h

@@ -7,6 +7,12 @@
 #define FH_OFFSET 100 // value * CMT2300A_ONE_STEP_SIZE = channel frequency offset
 #define CMT_SPI_SPEED 4000000 // 4 MHz
 
+enum CountryFrequency_t {
+    MODE_860,
+    MODE_900,
+    CountryFrequency_Max,
+};
+
 class CMT2300A {
 public:
     CMT2300A(uint8_t pin_sdio, uint8_t pin_clk, uint8_t pin_cs, uint8_t pin_fcs, uint32_t _spi_speed = CMT_SPI_SPEED);
@@ -87,6 +93,9 @@ public:
 
     uint32_t getBaseFrequency();
 
+    CountryFrequency_t getCountryMode() const;
+    void setCountryMode(const CountryFrequency_t mode);
+
     /**
      * Empty the RX (receive) FIFO buffers.
      */
@@ -110,4 +119,6 @@ private:
     int8_t _pin_cs;
     int8_t _pin_fcs;
     uint32_t _spi_speed;
+
+    CountryFrequency_t _countryMode = CountryFrequency_t::MODE_860;
 };

lib/Hoymiles/src/HoymilesRadio_CMT.cpp

@@ -23,10 +23,14 @@ uint8_t HoymilesRadio_CMT::getChannelFromFrequency(const uint32_t frequency) con
             frequency / 1000000.0, getMinFrequency() / 1000000.0, getMaxFrequency() / 1000000.0);
         return 0xFF; // ERROR
     }
-    if (frequency < 863000000 || frequency > 870000000) {
+    if (_radio->getCountryMode() == CountryFrequency_t::MODE_860 && (frequency < 863000000 || frequency > 870000000)) {
         Hoymiles.getMessageOutput()->printf("!!! caution: %.2f MHz is out of EU legal range! (863 - 870 MHz)\r\n",
             frequency / 1000000.0);
     }
+    if (_radio->getCountryMode() == CountryFrequency_t::MODE_900 && (frequency < 902000000 || frequency > 928000000)) {
+        Hoymiles.getMessageOutput()->printf("!!! caution: %.2f MHz is out of North America legal range! (902 - 928 MHz)\r\n",
+            frequency / 1000000.0);
+    }
     return (frequency - _radio->getBaseFrequency()) / getChannelWidth(); // frequency to channel
 }
 
@@ -197,10 +201,28 @@ uint32_t HoymilesRadio_CMT::getChannelWidth()
     return FH_OFFSET * CMT2300A_ONE_STEP_SIZE;
 }
 
-uint32_t HoymilesRadio_CMT::getInvBootFrequency()
+CountryFrequency_t HoymilesRadio_CMT::getCountryMode() const
+{
+    return _radio->getCountryMode();
+}
+
+void HoymilesRadio_CMT::setCountryMode(CountryFrequency_t mode)
+{
+    _radio->setCountryMode(mode);
+}
+
+uint32_t HoymilesRadio_CMT::getInvBootFrequency() const
 {
     // Hoymiles boot/init frequency after power up inverter or connection lost for 15 min
-    return 868000000;
+
+    switch(_radio->getCountryMode()) {
+    case CountryFrequency_t::MODE_900:
+        return 915000000;
+        break;
+    default:
+        return 868000000;
+        break;
+    }
 }
 
 void ARDUINO_ISR_ATTR HoymilesRadio_CMT::handleInt1()

lib/Hoymiles/src/HoymilesRadio_CMT.h

@@ -30,7 +30,10 @@ public:
     uint32_t getMaxFrequency() const;
     static uint32_t getChannelWidth();
 
-    static uint32_t getInvBootFrequency();
+    CountryFrequency_t getCountryMode() const;
+    void setCountryMode(CountryFrequency_t mode);
+
+    uint32_t getInvBootFrequency() const;
 
     uint32_t getFrequencyFromChannel(const uint8_t channel) const;
     uint8_t getChannelFromFrequency(const uint32_t frequency) const;

lib/Hoymiles/src/commands/ChannelChangeCommand.cpp

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2023 Thomas Basler and others
+ * Copyright (C) 2023-2024 Thomas Basler and others
  */
 
 /*
@@ -12,7 +12,8 @@ Command structure:
 
 00   01 02 03 04   05 06 07 08   09   10   11   12   13   14   15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
 -----------------------------------------------------------------------------------------------------------------
-56   71 60 35 46   80 12 23 04   02   15   21   00   14   00   -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
+56   71 60 35 46   80 12 23 04   02   15   21   00   14   00   -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- (860 MHz band)
+56   71 60 35 46   80 12 23 04   03   17   3c   00   14   00   -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- (900 MHz band)
 ^^   ^^^^^^^^^^^   ^^^^^^^^^^^   ^^   ^^   ^^   ^^   ^^   ^^
 ID   Target Addr   Source Addr   ?    ?    ?    CH   ?    CRC8
 */
@@ -22,12 +23,10 @@ ChannelChangeCommand::ChannelChangeCommand(const uint64_t target_address, const
     : CommandAbstract(target_address, router_address)
 {
     _payload[0] = 0x56;
-    _payload[9] = 0x02;
-    _payload[10] = 0x15;
-    _payload[11] = 0x21;
     _payload[13] = 0x14;
     _payload_size = 14;
 
+    setCountryMode(CountryFrequency_t::MODE_860);
     setChannel(channel);
     setTimeout(10);
 }
@@ -47,6 +46,22 @@ uint8_t ChannelChangeCommand::getChannel() const
     return _payload[12];
 }
 
+void ChannelChangeCommand::setCountryMode(const CountryFrequency_t mode)
+{
+    switch (mode) {
+    case CountryFrequency_t::MODE_900:
+        _payload[9] = 0x03;
+        _payload[10] = 0x17;
+        _payload[11] = 0x3c;
+        break;
+    default:
+        _payload[9] = 0x02;
+        _payload[10] = 0x15;
+        _payload[11] = 0x21;
+        break;
+    }
+}
+
 bool ChannelChangeCommand::handleResponse(InverterAbstract& inverter, const fragment_t fragment[], const uint8_t max_fragment_id)
 {
     return true;

lib/Hoymiles/src/commands/ChannelChangeCommand.h

@@ -2,6 +2,7 @@
 #pragma once
 
 #include "CommandAbstract.h"
+#include <cmt2300wrapper.h>
 
 class ChannelChangeCommand : public CommandAbstract {
 public:
@@ -12,6 +13,8 @@ public:
     void setChannel(const uint8_t channel);
     uint8_t getChannel() const;
 
+    void setCountryMode(const CountryFrequency_t mode);
+
     virtual bool handleResponse(InverterAbstract& inverter, const fragment_t fragment[], const uint8_t max_fragment_id);
 
     virtual uint8_t getMaxResendCount();

lib/Hoymiles/src/inverters/HMS_Abstract.cpp

@@ -19,6 +19,7 @@ bool HMS_Abstract::sendChangeChannelRequest()
     }
 
     auto cmdChannel = _radio->prepareCommand<ChannelChangeCommand>();
+    cmdChannel->setCountryMode(Hoymiles.getRadioCmt()->getCountryMode());
     cmdChannel->setChannel(Hoymiles.getRadioCmt()->getChannelFromFrequency(Hoymiles.getRadioCmt()->getInverterTargetFrequency()));
     cmdChannel->setTargetAddress(serial());
     _radio->enqueCommand(cmdChannel);

lib/Hoymiles/src/inverters/HMT_Abstract.cpp

@@ -21,6 +21,7 @@ bool HMT_Abstract::sendChangeChannelRequest()
     }
 
     auto cmdChannel = _radio->prepareCommand<ChannelChangeCommand>();
+    cmdChannel->setCountryMode(Hoymiles.getRadioCmt()->getCountryMode());
     cmdChannel->setChannel(Hoymiles.getRadioCmt()->getChannelFromFrequency(Hoymiles.getRadioCmt()->getInverterTargetFrequency()));
     cmdChannel->setTargetAddress(serial());
     _radio->enqueCommand(cmdChannel);