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feat(firmware): add --channel and --filter-mac to provision.py (ADR-060)

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- provision.py: add --channel (CSI channel override) and --filter-mac
  (AA:BB:CC:DD:EE:FF format) arguments with validation
- nvs_config: add csi_channel, filter_mac[6], filter_mac_set fields;
  read from NVS on boot
- csi_collector: auto-detect AP channel when no NVS override is set;
  filter CSI frames by source MAC when filter_mac is configured
- ADR-060 documents the design and rationale

Fixes #247, fixes #229

Co-Authored-By: claude-flow <ruv@ruv.net>
This commit is contained in:
ruv
2026-03-12 22:37:37 -04:00
parent 3457610c9f
commit 6103aa9150
5 changed files with 165 additions and 2 deletions
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firmware/esp32-csi-node/main/nvs_config.c
+25
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@@ -91,6 +91,11 @@ void nvs_config_load(nvs_config_t *cfg)
cfg->wasm_verify = 0; /* Kconfig disabled signature verification. */
#endif
/* ADR-060: Channel override and MAC filter defaults. */
cfg->csi_channel = 0; /* 0 = auto-detect from connected AP. */
cfg->filter_mac_set = 0;
memset(cfg->filter_mac, 0, 6);
/* Try to override from NVS */
nvs_handle_t handle;
esp_err_t err = nvs_open("csi_cfg", NVS_READONLY, &handle);
@@ -277,6 +282,26 @@ void nvs_config_load(nvs_config_t *cfg)
ESP_LOGW(TAG, "wasm_verify=1 but no wasm_pubkey in NVS — uploads will be rejected");
}
/* ADR-060: CSI channel override. */
uint8_t csi_ch_val;
if (nvs_get_u8(handle, "csi_channel", &csi_ch_val) == ESP_OK) {
if ((csi_ch_val >= 1 && csi_ch_val <= 14) || (csi_ch_val >= 36 && csi_ch_val <= 177)) {
cfg->csi_channel = csi_ch_val;
ESP_LOGI(TAG, "NVS override: csi_channel=%u", (unsigned)cfg->csi_channel);
} else {
ESP_LOGW(TAG, "NVS csi_channel=%u invalid, ignored", (unsigned)csi_ch_val);
}
}
/* ADR-060: MAC address filter (6-byte blob). */
size_t mac_len = 6;
if (nvs_get_blob(handle, "filter_mac", cfg->filter_mac, &mac_len) == ESP_OK && mac_len == 6) {
cfg->filter_mac_set = 1;
ESP_LOGI(TAG, "NVS override: filter_mac=%02x:%02x:%02x:%02x:%02x:%02x",
cfg->filter_mac[0], cfg->filter_mac[1], cfg->filter_mac[2],
cfg->filter_mac[3], cfg->filter_mac[4], cfg->filter_mac[5]);
}
/* Validate tdm_slot_index < tdm_node_count */
if (cfg->tdm_slot_index >= cfg->tdm_node_count) {
ESP_LOGW(TAG, "tdm_slot_index=%u >= tdm_node_count=%u, clamping to 0",