EPEVER SCCs: Difference between revisions

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VisualWikitext

@@ Line 27: / Line 27: @@
 Tracer8420AN/Tracer10420AN
 |Solar Charge Controller
-|STM32F051C8T7
+|[https://www.st.com/en/microcontrollers-microprocessors/stm32f051c8.html STM32F051C8T7]
-G4A36AFNNT
+[https://www.ti.com/lit/ds/symlink/tms320f28023.pdf TMS320F28023PT]
 |J2
 |-
@@ Line 42: / Line 42: @@
 Tracer3210AN/Tracer4210AN
 |Solar Charge Controller
-|STM32F030C8T6
+|[https://www.st.com/en/microcontrollers-microprocessors/stm32f030c8.html STM32F030C8T6]
 |J6
 |-
@@ Line 50: / Line 50: @@
 TRIRON4210N/TRIRON4215N
 |Solar Charge Controller
-|STM32F030C8T6
+|[https://www.st.com/en/microcontrollers-microprocessors/stm32f030c8.html STM32F030C8T6]
 |J6
 |-
@@ Line 68: / Line 68: @@
 XTRA3415N/XTRA4415N
 |Solar Charge Controller
-|STM32F030C8T6
+|[https://www.st.com/en/microcontrollers-microprocessors/stm32f030c8.html STM32F030C8T6]
 |J6
 |-
@@ Line 84: / Line 84: @@
 |
 |-
-|MT50/MT52
+|MT50
 |Configuration Tool / Display
-|STM32F030C8T6
+|[https://www.st.com/en/microcontrollers-microprocessors/stm32f051k8.html STM32F051K8]
+|F2/F9
+|-
+|MT52
+|Configuration Tool / Display
+|[https://www.st.com/en/microcontrollers-microprocessors/stm32f030c8.html STM32F030C8T6]
 |F2/F9
 |-
@@ Line 96: / Line 101: @@
 |PAL-ADP-50AN
 |Synchronization Accessory
-|STM32F030C8T6
+|[https://www.st.com/en/microcontrollers-microprocessors/stm32f030c8.html STM32F030C8T6]
 |J1
 |}
+===Decrypting Firmware Update (.prg) Files===
+Bytes 18 thru the end of the file can be decrypted with AES CBC IV=[all zeroes] keys below. Pad with pkcs7 16 byte block size.
+'''Key for Larger 50A - 100A units'''
+::<code>54726163 72414e43 0cdd527b 05c16b01 ff17cd6f 8c1e3e09 cf1f0c78 87ef8aec</code>
+'''Key for Smaller 10A - 40A units'''
+::<code>54726952 6f6e2eda 0cdd527b 05c16b01 ff17cd6f 8c1e3e09 cf1f0c78 87ef8aec</code>
+https://gist.github.com/symbioquine/88e7148b4df143822f3b0d565619f80b
+===Dumping Firmware===
+Works with https://github.com/racerxdl/stm32f0-pico-dump (See SWD pins in top table)
+===Unlocking SWD===
+<syntaxhighlight lang="bash">
+openocd -s $(pwd) -f interface/stlink-dap.cfg -f target/stm32f0x.cfg
+telnet localhost 4444
+reset init
+stm32f0x unlock 0
+flash erase_address unlock 0x08000000 0x10000
+</syntaxhighlight>
+::Power cycle & reconnect st-link
+<syntaxhighlight lang="bash">
+flash write_image /path/to/dumped_firmware.bin 0x08000000
+reset
+</syntaxhighlight>
+===Dumping Running RAM===
+<syntaxhighlight lang="bash">
+halt
+dump_image /path/to/save/tracer6420an_running_ram.bin 0x20000000 0x2000
+resume
+</syntaxhighlight>
+=== Protocol Documentation ===
+{| class="wikitable"
+|[https://diysolarforum.com/resources/epever-scc-modbus-protocol-docs.512/version/878/download?file=329342 1733_modbus_protocol.pdf]
+|V1.1
+|FENG
+|2013-11-25
+|234.2 KB
+|86c05193b7f6e1945eb67616c6658366ef4033b110f506a33c1eeef03b0eafbf
+|-
+|[https://diysolarforum.com/resources/epever-scc-modbus-protocol-docs.512/version/878/download?file=329340 EpeverBSeriesControllerProtocolV2.3.pdf]
+|V2.3
+|sunb
+|2015-10-22
+|374.8 KB
+|a3fccf914928118def85223482e3091956d046810a01c20152006e6f68c61b70
+|-
+|[https://diysolarforum.com/resources/epever-scc-modbus-protocol-docs.512/version/878/download?file=329339 MODBUS-Protocol-v25.pdf]
+|V2.5
+|sunb
+|2018-09-27
+|847.6 KB
+|d0f9f08be06b5125134c3be24d9acc1430dcd4e9e82478df68d451489aaa77fb
+|-
+|[https://diysolarforum.com/resources/epever-scc-modbus-protocol-docs.512/version/928/download?file=387834 DuoRacer SeriesControllerProtocolv2.6.pdf]
+|V2.6
+|sunb
+|2021-11-24
+|638.9 KB
+|6c7e98387d9dd8372fd63b5ee499bef706e63fd0d5a0986ea657de27c83cfe91
+|-
+|[https://diysolarforum.com/resources/epever-scc-modbus-protocol-docs.512/version/878/download?file=329341 A or BSeriesControllerProtocolv2.6.pdf]
+|V2.6
+|sunb
+|2021-12-21
+|711.9 KB
+|3c2cf42f5f440d06db36280d41f0a8dd632da32396b820529db76eef53fd4351
+|}
+Modbus Protocol Investigation: https://diysolarforum.com/threads/epever-tracer-modbus-digging-deeper.108305/