wangfq
87c8e01936
test(vd960DBN): SPI写密度模拟实验 + factory写止血 — VDD跌落诊断
- peripheral_main: sim_snap_spi 模拟快照落盘节奏 (20ms 64B页写 + 每64条切扇区擦除+头写)
- cfig_flash: magic不匹配时跳过 factory SPI_Flash_Write, 用内存默认值继续
(SPI写触发硬件复位死循环止血: 参数区0x00写也崩, RST=0x00000000)
- 诊断修正: CH32V208GBU6 QFN28 无 NRST 引脚, 共线假设作废;
SPI写/擦除→电流尖峰→VDD跌落→内部POR/PDR(2.4V)复位;
BLE射频+SPI电流叠加是头号嫌疑
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