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feat(wifi_provisioning): Optimize memory for wifi scan ap number

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yuanjm
2022-05-11 20:05:44 +08:00
parent 3806b240cf
commit a706a482c6
1 changed files with 5 additions and 4 deletions
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9
components/wifi_provisioning/src/manager.c
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@@ -702,16 +702,17 @@ static esp_err_t update_wifi_scan_results(void)
goto exit; goto exit;
} }
prov_ctx->ap_list[curr_channel] = (wifi_ap_record_t *) calloc(count, sizeof(wifi_ap_record_t)); uint16_t get_count = MIN(count, MAX_SCAN_RESULTS);
prov_ctx->ap_list[curr_channel] = (wifi_ap_record_t *) calloc(get_count, sizeof(wifi_ap_record_t));
if (!prov_ctx->ap_list[curr_channel]) { if (!prov_ctx->ap_list[curr_channel]) {
ESP_LOGE(TAG, "Failed to allocate memory for AP list"); ESP_LOGE(TAG, "Failed to allocate memory for AP list");
goto exit; goto exit;
} }
if (esp_wifi_scan_get_ap_records(&count, prov_ctx->ap_list[curr_channel]) != ESP_OK) { if (esp_wifi_scan_get_ap_records(&get_count, prov_ctx->ap_list[curr_channel]) != ESP_OK) {
ESP_LOGE(TAG, "Failed to get scanned AP records"); ESP_LOGE(TAG, "Failed to get scanned AP records");
goto exit; goto exit;
} }
prov_ctx->ap_list_len[curr_channel] = count; prov_ctx->ap_list_len[curr_channel] = get_count;
if (prov_ctx->channels_per_group) { if (prov_ctx->channels_per_group) {
ESP_LOGD(TAG, "Scan results for channel %d :", curr_channel); ESP_LOGD(TAG, "Scan results for channel %d :", curr_channel);
@@ -734,7 +735,7 @@ static esp_err_t update_wifi_scan_results(void)
/* Store results in sorted list */ /* Store results in sorted list */
{ {
int rc = MIN(count, MAX_SCAN_RESULTS); int rc = get_count;
int is = MAX_SCAN_RESULTS - rc - 1; int is = MAX_SCAN_RESULTS - rc - 1;
while (rc > 0 && is >= 0) { while (rc > 0 && is >= 0) {
if (prov_ctx->ap_list_sorted[is]) { if (prov_ctx->ap_list_sorted[is]) {