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ShineLAN-X: Initiale Firmware + Hardware-Diagnose

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- STM32F103RBT6 Firmware für Growatt ShineLAN-X
- Bitbang-SPI (EthernetENC) auf Port C (PC6/PC7/PC8/PC9)
- UART-Debug auf USART1 (PA9/PA10), Modbus temporär deaktiviert
- SO-Aktivitätstest und ESTAT-Register-Scan bestätigen:
  ENC28J60 läuft (SO aktiv), SI/MOSI-Verbindung unterbrochen
- Nächster Schritt: Pin 5 ENC28J60 nachlöten oder Bodge-Draht

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
retr0
2026-04-16 19:10:31 +02:00
parent 69ebf5d2de
commit 852ec90e6b
39 changed files with 19445 additions and 0 deletions
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Growatt ShineLAN-X/firmware/include/enc28j60_bitbang.h
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#pragma once
#include <Arduino.h>
#include "config.h"
// ============================================================
// Bitbang-SPI für ENC28J60 auf PC6/PC7/PC8/PC9
// ENC28J60 verwendet SPI Mode 0 (CPOL=0, CPHA=0)
// ============================================================
static inline void eth_spi_init() {
pinMode(ETH_SCK_PIN, OUTPUT); digitalWrite(ETH_SCK_PIN, LOW);
pinMode(ETH_MOSI_PIN, OUTPUT); digitalWrite(ETH_MOSI_PIN, LOW);
pinMode(ETH_MISO_PIN, INPUT);
pinMode(ETH_CS_PIN, OUTPUT); digitalWrite(ETH_CS_PIN, HIGH);
}
static inline void eth_cs_low() { digitalWrite(ETH_CS_PIN, LOW); }
static inline void eth_cs_high() { digitalWrite(ETH_CS_PIN, HIGH); }
static inline uint8_t eth_spi_transfer(uint8_t out) {
uint8_t in = 0;
for (int8_t i = 7; i >= 0; i--) {
digitalWrite(ETH_MOSI_PIN, (out >> i) & 1);
digitalWrite(ETH_SCK_PIN, HIGH);
in = (in << 1) | digitalRead(ETH_MISO_PIN);
digitalWrite(ETH_SCK_PIN, LOW);
}
return in;
}