Files
Blinds_XIAO/include/calibration.cpp
pulipakaa24 5f64e5f395 1. Ensure that recalibration doesn't cause issues with failing to pause watchdog and clear flags
2. Ensure all credentials are purged on device deletion to avoid security issues

3. Clear calibration state (set to false) on device deletion.
2026-01-02 13:16:43 -06:00

112 lines
3.2 KiB
C++

#include "calibration.hpp"
#include "defines.h"
#include "nvs_flash.h"
void Calibration::init() {
nvs_handle_t calibHandle;
if (nvs_open(nvsCalib, NVS_READONLY, &calibHandle) == ESP_OK) {
int32_t tempUpTicks;
int32_t tempDownTicks;
uint8_t tempCalib;
esp_err_t err = ESP_OK;
err |= nvs_get_i32(calibHandle, UpTicksTag, &tempUpTicks);
err |= nvs_get_i32(calibHandle, DownTicksTag, &tempUpTicks);
err |= nvs_get_u8(calibHandle, statusTag, &tempCalib);
if (err == ESP_OK) {
UpTicks = tempUpTicks;
DownTicks = tempDownTicks;
calibrated = tempCalib;
printf("Range: %d - %d\n", tempUpTicks, tempDownTicks);
}
else {
printf("Data missing from NVS\n");
calibrated = false;
}
nvs_close(calibHandle);
}
else {
printf("CALIBINIT: failed to open NVS - not created?\n");
calibrated = false;
}
}
bool Calibration::clearCalibrated() {
if (!calibrated) return true;
// clear variable and NVS
calibrated = false;
nvs_handle_t calibHandle;
if (nvs_open(nvsCalib, NVS_READWRITE, &calibHandle) == ESP_OK) {
if (nvs_set_u8(calibHandle, statusTag, false) != ESP_OK) {
printf("Error saving calibration status as false.\n");
return false;
}
nvs_commit(calibHandle);
nvs_close(calibHandle);
}
else {
printf("Error opening calibration NVS segment.\n");
return false;
}
return true;
}
bool Calibration::beginDownwardCalib(Encoder& topEnc) {
int32_t tempUpTicks = topEnc.getCount();
nvs_handle_t calibHandle;
if (nvs_open(nvsCalib, NVS_READWRITE, &calibHandle) == ESP_OK) {
if (nvs_set_i32(calibHandle, UpTicksTag, tempUpTicks) == ESP_OK) {
printf("Saved UpTicks to NVS\n");
UpTicks = tempUpTicks;
nvs_commit(calibHandle);
}
else {
printf("Error saving UpTicks.\n");
return false;
}
nvs_close(calibHandle);
}
else {
printf("Error opening NVS to save UpTicks\n");
return false;
}
return true;
}
bool Calibration::completeCalib(Encoder& topEnc) {
int32_t tempDownTicks = topEnc.getCount();
if (tempDownTicks == UpTicks) {
printf("ERROR: NO RANGE\n");
return false;
}
nvs_handle_t calibHandle;
if (nvs_open(nvsCalib, NVS_READWRITE, &calibHandle) == ESP_OK) {
esp_err_t err = ESP_OK;
err |= nvs_set_i32(calibHandle, DownTicksTag, tempDownTicks);
err |= nvs_set_u8(calibHandle, statusTag, true);
if (err != ESP_OK) {
printf("Error saving calibration data.\n");
return false;
}
DownTicks = tempDownTicks;
calibrated = true;
printf("Range: %d - %d\n", UpTicks.load(), tempDownTicks);
nvs_commit(calibHandle);
nvs_close(calibHandle);
}
else {
printf("Error opening calibration NVS segment.\n");
return false;
}
return true;
}
int32_t Calibration::convertToTicks(uint8_t appPos) {
// appPos between 0 and 10, convert to target encoder ticks.
return (((int32_t)appPos * (UpTicks - DownTicks)) / 10) + DownTicks;
}
uint8_t Calibration::convertToAppPos(int32_t ticks) {
// appPos between 0 and 10, convert to target encoder ticks.
int8_t retVal = (ticks - DownTicks) * 10 / (UpTicks - DownTicks);
return (retVal < 0) ? 0 : ((retVal > 10) ? 10 : retVal);
}