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Fix uninitialized string on empty NVS

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This commit is contained in:
Renze Nicolai 2022-04-17 20:22:54 +02:00
parent 9aa25cd1c4
commit ee5285bf8b
2 changed files with 79 additions and 20 deletions
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18
erase.sh Executable file
View file

@ -0,0 +1,18 @@
#!/usr/bin/env bash
set -e
set -u
export IDF_PATH="$PWD/esp-idf"
export IDF_EXPORT_QUIET=0
source "$IDF_PATH"/export.sh
if [ "$#" -eq 1 ]; then
idf.py erase-flash -p $1
else
if [ "$#" -ne 0 ]; then
echo "Illegal number of parameters"
else
idf.py erase-flash
fi
fi

81
main/main.c
View file

@ -419,29 +419,70 @@ void app_main(void) {
} else if (menu_action == ACTION_OTA) {
graphics_task(pax_buffer, ili9341, framebuffer, NULL, "Firmware update...");
} else if (menu_action == ACTION_SETTINGS) {
menu_wifi_settings(buttonQueue, pax_buffer, ili9341, framebuffer, &menu_action);
if (menu_action == ACTION_WIFI_MANUAL) {
nvs_handle_t handle;
nvs_open("system", NVS_READWRITE, &handle);
char ssid[33];
char password[33];
size_t requiredSize;
nvs_get_str(handle, "wifi.ssid", NULL, &requiredSize);
if (requiredSize < sizeof(ssid)) {
nvs_get_str(handle, "wifi.ssid", ssid, &requiredSize);
while (true) {
menu_wifi_settings(buttonQueue, pax_buffer, ili9341, framebuffer, &menu_action);
if (menu_action == ACTION_WIFI_MANUAL) {
nvs_handle_t handle;
nvs_open("system", NVS_READWRITE, &handle);
char ssid[33];
char password[33];
size_t requiredSize;
esp_err_t res = nvs_get_str(handle, "wifi.ssid", NULL, &requiredSize);
if (res != ESP_OK) {
strcpy(ssid, "");
strcpy(password, "");
} else if (requiredSize < sizeof(ssid)) {
res = nvs_get_str(handle, "wifi.ssid", ssid, &requiredSize);
if (res != ESP_OK) strcpy(ssid, "");
res = nvs_get_str(handle, "wifi.password", NULL, &requiredSize);
if (res != ESP_OK) {
strcpy(password, "");
} else if (requiredSize < sizeof(password)) {
res = nvs_get_str(handle, "wifi.password", password, &requiredSize);
if (res != ESP_OK) strcpy(password, "");
}
}
bool accepted = keyboard(buttonQueue, pax_buffer, ili9341, framebuffer, 30, 30, pax_buffer->width - 60, pax_buffer->height - 60, "WiFi SSID", "Press HOME to exit", ssid, sizeof(ssid));
if (accepted) {
accepted = keyboard(buttonQueue, pax_buffer, ili9341, framebuffer, 30, 30, pax_buffer->width - 60, pax_buffer->height - 60, "WiFi password", "Press HOME to exit", password, sizeof(password));
}
if (accepted) {
nvs_set_str(handle, "wifi.ssid", ssid);
nvs_set_str(handle, "wifi.password", password);
graphics_task(pax_buffer, ili9341, framebuffer, NULL, "WiFi settings stored");
} else {
graphics_task(pax_buffer, ili9341, framebuffer, NULL, "Canceled");
}
nvs_close(&handle);
} else if (menu_action == ACTION_WIFI_LIST) {
nvs_handle_t handle;
nvs_open("system", NVS_READWRITE, &handle);
char ssid[33];
char password[33];
size_t requiredSize;
esp_err_t res = nvs_get_str(handle, "wifi.ssid", NULL, &requiredSize);
if (res != ESP_OK) {
strcpy(ssid, "");
} else if (requiredSize < sizeof(ssid)) {
res = nvs_get_str(handle, "wifi.ssid", ssid, &requiredSize);
if (res != ESP_OK) strcpy(ssid, "");
res = nvs_get_str(handle, "wifi.password", NULL, &requiredSize);
if (res != ESP_OK) {
strcpy(password, "");
} else if (requiredSize < sizeof(password)) {
res = nvs_get_str(handle, "wifi.password", password, &requiredSize);
if (res != ESP_OK) strcpy(password, "");
}
}
nvs_close(&handle);
char buffer[300];
snprintf(buffer, sizeof(buffer), "SSID is %s\nPassword is %s", ssid, password);
graphics_task(pax_buffer, ili9341, framebuffer, NULL, buffer);
} else {
break;
}
nvs_get_str(handle, "wifi.password", NULL, &requiredSize);
if (requiredSize < sizeof(password)) {
nvs_get_str(handle, "wifi.password", password, &requiredSize);
}
keyboard(buttonQueue, pax_buffer, ili9341, framebuffer, 30, 30, pax_buffer->width - 60, pax_buffer->height - 60, "WiFi SSID", "Press HOME to exit", ssid, sizeof(ssid));
keyboard(buttonQueue, pax_buffer, ili9341, framebuffer, 30, 30, pax_buffer->width - 60, pax_buffer->height - 60, "WiFi password", "Press HOME to exit", password, sizeof(password));
nvs_set_str(handle, "wifi.ssid", ssid);
nvs_set_str(handle, "wifi.password", password);
nvs_close(&handle);
}
}
graphics_task(pax_buffer, ili9341, framebuffer, NULL, "Please wait...");
}