Files
soundshot/main/system.c
Brent Perteet 3bce9e772c Add dark color scheme, backlight timeout, and L/R swap feature
- Invert UI colors: black background with white text, yellow highlights
- Add 30-second backlight timeout with auto-wake on button press
- Add Swap L/R menu option with checkbox to swap audio channels
- Update volume page styling (yellow bar, full-screen container)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-21 09:08:12 -06:00

541 lines
16 KiB
C

#include "system.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include "nvs.h"
#include "esp_timer.h"
#include <string.h>
static SystemState_t _systemState;
static EventGroupHandle_t _systemEvent;
static EventManager_t _eventManager;
static QueueHandle_t _nvsRequestQueue;
static const char* NVS_NAMESPACE = "bt_devices";
static const char* NVS_KEY_COUNT = "count";
static esp_err_t nvs_load_devices_internal(paired_device_t *devices, size_t *count);
static esp_err_t nvs_save_devices_internal(const paired_device_t *devices, size_t count);
void system_init(void)
{
_systemState.zeroAngle = 0.0f;
_systemState.primaryAxis = PRIMARY_AXIS;
_systemState.pairedDeviceCount = 0;
_systemState.isCharging = false;
_systemState.swapLR = false;
_systemEvent = xEventGroupCreate();
_eventManager.count = 0;
_eventManager.mutex = xSemaphoreCreateMutex();
system_initNvsService();
}
int system_getPrimaryAxis(void)
{
int axis;
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
axis = _systemState.primaryAxis;
xSemaphoreGive(_eventManager.mutex);
return axis;
}
float system_getAngle(void)
{
float angle;
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
angle = _systemState.imu.raw[_systemState.primaryAxis] - _systemState.zeroAngle;
xSemaphoreGive(_eventManager.mutex);
return angle;
}
void system_setChargeStatus(bool charging)
{
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
_systemState.isCharging = charging;
xSemaphoreGive(_eventManager.mutex);
}
bool system_getChargeStatus(void)
{
bool charging;
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
charging = _systemState.isCharging;
xSemaphoreGive(_eventManager.mutex);
return charging;
}
void system_setSwapLR(bool swap)
{
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
_systemState.swapLR = swap;
xSemaphoreGive(_eventManager.mutex);
ESP_LOGI("system", "Swap L/R: %s", swap ? "ON" : "OFF");
}
bool system_getSwapLR(void)
{
bool swap;
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
swap = _systemState.swapLR;
xSemaphoreGive(_eventManager.mutex);
return swap;
}
void system_toggleSwapLR(void)
{
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
_systemState.swapLR = !_systemState.swapLR;
ESP_LOGI("system", "Swap L/R toggled: %s", _systemState.swapLR ? "ON" : "OFF");
xSemaphoreGive(_eventManager.mutex);
}
void system_setZeroAngle(void)
{
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
_systemState.zeroAngle = _systemState.imu.raw[_systemState.primaryAxis];
ESP_LOGI("system", "Zero: %.1f", _systemState.zeroAngle);
xSemaphoreGive(_eventManager.mutex);
}
void system_clearZeroAngle(void)
{
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
_systemState.zeroAngle = 0.0f;
ESP_LOGI("system", "Zero: %.1f", _systemState.zeroAngle);
xSemaphoreGive(_eventManager.mutex);
}
float system_getZeroAngle(void)
{
float angle;
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
angle = _systemState.zeroAngle;
xSemaphoreGive(_eventManager.mutex);
return angle;
}
void system_setImuData(ImuData_t imu)
{
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
_systemState.imu = imu;
xSemaphoreGive(_eventManager.mutex);
//ESP_LOGI("g", "New IMU Data: %.2f", xy);
system_notifyAll(EM_EVENT_NEW_DATA);
}
ImuData_t system_getImuData(void)
{
ImuData_t imu;
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
imu = _systemState.imu;
xSemaphoreGive(_eventManager.mutex);
return imu;
}
void system_waitForEvent(void)
{
}
SystemState_t *system_getState(void)
{
return &_systemState;
}
BaseType_t system_subscribe(TaskHandle_t task) {
EventManager_t *em = &_eventManager;
ESP_LOGI("g", "Subscribe: %p", task);
if (xSemaphoreTake(em->mutex, portMAX_DELAY) == pdFALSE) {
return pdFAIL;
}
if (em->count < EM_MAX_SUBSCRIBERS) {
// avoid duplicates?
ESP_LOGI("g", "PASS");
em->subscribers[em->count++] = task;
xSemaphoreGive(em->mutex);
return pdPASS;
}
xSemaphoreGive(em->mutex);
return pdFAIL; // full
}
BaseType_t system_unsubscribe(TaskHandle_t task) {
EventManager_t *em = &_eventManager;
BaseType_t removed = pdFAIL;
if (xSemaphoreTake(em->mutex, portMAX_DELAY) == pdTRUE) {
for (size_t i = 0; i < em->count; ++i) {
if (em->subscribers[i] == task) {
// shift down
for (size_t j = i; j + 1 < em->count; ++j)
em->subscribers[j] = em->subscribers[j+1];
em->count--;
removed = pdPASS;
break;
}
}
xSemaphoreGive(em->mutex);
}
return removed;
}
void system_notifyAll(uint32_t eventBits) {
EventManager_t *em = &_eventManager;
if (xSemaphoreTake(em->mutex, portMAX_DELAY) == pdTRUE) {
for (size_t i = 0; i < em->count; ++i) {
// set the bits in each task's notification value
//ESP_LOGI("g", "Notify: %p", em->subscribers[i]);
xTaskNotify(em->subscribers[i],
eventBits,
eSetBits);
}
xSemaphoreGive(em->mutex);
}
}
void system_requestBtRefresh(void) {
ESP_LOGI("system", "BT Refresh requested");
system_notifyAll(EM_EVENT_BT_REFRESH);
}
void system_requestBtConnect(int device_index) {
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
_systemState.btDeviceIndex = device_index;
xSemaphoreGive(_eventManager.mutex);
ESP_LOGI("system", "BT Connect requested for device %d", device_index);
system_notifyAll(EM_EVENT_BT_CONNECT);
}
int system_getBtDeviceIndex(void) {
int index;
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
index = _systemState.btDeviceIndex;
xSemaphoreGive(_eventManager.mutex);
return index;
}
void system_requestVolumeUp(void) {
ESP_LOGI("system", "Volume Up requested");
system_notifyAll(EM_EVENT_VOLUME_UP);
}
void system_requestVolumeDown(void) {
ESP_LOGI("system", "Volume Down requested");
system_notifyAll(EM_EVENT_VOLUME_DOWN);
}
void system_initNvsService(void) {
_nvsRequestQueue = xQueueCreate(10, sizeof(nvs_request_t));
if (_nvsRequestQueue == NULL) {
ESP_LOGE("system", "Failed to create NVS request queue");
}
memset(_systemState.pairedDevices, 0, sizeof(_systemState.pairedDevices));
_systemState.pairedDeviceCount = 0;
paired_device_t devices[MAX_PAIRED_DEVICES];
size_t count = 0;
if (nvs_load_devices_internal(devices, &count) == ESP_OK) {
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
memcpy(_systemState.pairedDevices, devices, count * sizeof(paired_device_t));
_systemState.pairedDeviceCount = count;
xSemaphoreGive(_eventManager.mutex);
ESP_LOGI("system", "Loaded %d paired devices from NVS", count);
}
}
static esp_err_t nvs_load_devices_internal(paired_device_t *devices, size_t *count) {
nvs_handle_t nvs_handle;
esp_err_t ret;
ret = nvs_open(NVS_NAMESPACE, NVS_READONLY, &nvs_handle);
if (ret != ESP_OK) {
ESP_LOGE("system", "Failed to open NVS namespace: %s", esp_err_to_name(ret));
*count = 0;
return ret;
}
size_t device_count = 0;
size_t required_size = sizeof(size_t);
ret = nvs_get_blob(nvs_handle, NVS_KEY_COUNT, &device_count, &required_size);
if (ret != ESP_OK) {
nvs_close(nvs_handle);
*count = 0;
return ESP_OK;
}
device_count = (device_count > MAX_PAIRED_DEVICES) ? MAX_PAIRED_DEVICES : device_count;
for (size_t i = 0; i < device_count; i++) {
char key[16];
snprintf(key, sizeof(key), "device_%zu", i);
required_size = sizeof(paired_device_t);
ret = nvs_get_blob(nvs_handle, key, &devices[i], &required_size);
if (ret != ESP_OK) {
ESP_LOGW("system", "Failed to load device %zu", i);
device_count = i;
break;
}
}
nvs_close(nvs_handle);
*count = device_count;
return ESP_OK;
}
static esp_err_t nvs_save_devices_internal(const paired_device_t *devices, size_t count) {
nvs_handle_t nvs_handle;
esp_err_t ret;
ret = nvs_open(NVS_NAMESPACE, NVS_READWRITE, &nvs_handle);
if (ret != ESP_OK) {
ESP_LOGE("system", "Failed to open NVS namespace for write: %s", esp_err_to_name(ret));
return ret;
}
ret = nvs_set_blob(nvs_handle, NVS_KEY_COUNT, &count, sizeof(size_t));
if (ret != ESP_OK) {
nvs_close(nvs_handle);
return ret;
}
for (size_t i = 0; i < count; i++) {
char key[16];
snprintf(key, sizeof(key), "device_%zu", i);
ret = nvs_set_blob(nvs_handle, key, &devices[i], sizeof(paired_device_t));
if (ret != ESP_OK) {
nvs_close(nvs_handle);
return ret;
}
}
ret = nvs_commit(nvs_handle);
nvs_close(nvs_handle);
return ret;
}
void system_processNvsRequests(void) {
nvs_request_t request;
while (xQueueReceive(_nvsRequestQueue, &request, 0) == pdTRUE) {
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
switch (request.operation) {
case NVS_OP_SAVE_DEVICE:
request.result = nvs_save_devices_internal(_systemState.pairedDevices, _systemState.pairedDeviceCount);
break;
case NVS_OP_LOAD_DEVICES:
request.result = nvs_load_devices_internal(_systemState.pairedDevices, &_systemState.pairedDeviceCount);
break;
case NVS_OP_REMOVE_DEVICE: {
size_t removed_index = SIZE_MAX;
for (size_t i = 0; i < _systemState.pairedDeviceCount; i++) {
if (memcmp(_systemState.pairedDevices[i].bda, request.bda, ESP_BD_ADDR_LEN) == 0) {
removed_index = i;
break;
}
}
if (removed_index != SIZE_MAX) {
for (size_t i = removed_index; i < _systemState.pairedDeviceCount - 1; i++) {
_systemState.pairedDevices[i] = _systemState.pairedDevices[i + 1];
}
_systemState.pairedDeviceCount--;
request.result = nvs_save_devices_internal(_systemState.pairedDevices, _systemState.pairedDeviceCount);
} else {
request.result = ESP_ERR_NOT_FOUND;
}
break;
}
case NVS_OP_UPDATE_TIMESTAMP: {
for (size_t i = 0; i < _systemState.pairedDeviceCount; i++) {
if (memcmp(_systemState.pairedDevices[i].bda, request.bda, ESP_BD_ADDR_LEN) == 0) {
_systemState.pairedDevices[i].last_connected = (uint32_t)(esp_timer_get_time() / 1000000);
request.result = nvs_save_devices_internal(_systemState.pairedDevices, _systemState.pairedDeviceCount);
break;
}
}
break;
}
default:
request.result = ESP_ERR_INVALID_ARG;
break;
}
xSemaphoreGive(_eventManager.mutex);
// Send the result directly as the notification value (not a pointer)
if (request.requestor) {
xTaskNotify(request.requestor, (uint32_t)request.result, eSetValueWithOverwrite);
}
}
}
esp_err_t system_savePairedDevice(const paired_device_t *device) {
if (!device) return ESP_ERR_INVALID_ARG;
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
size_t existing_index = SIZE_MAX;
for (size_t i = 0; i < _systemState.pairedDeviceCount; i++) {
if (memcmp(_systemState.pairedDevices[i].bda, device->bda, ESP_BD_ADDR_LEN) == 0) {
existing_index = i;
break;
}
}
if (existing_index != SIZE_MAX) {
_systemState.pairedDevices[existing_index] = *device;
} else if (_systemState.pairedDeviceCount < MAX_PAIRED_DEVICES) {
_systemState.pairedDevices[_systemState.pairedDeviceCount++] = *device;
} else {
xSemaphoreGive(_eventManager.mutex);
return ESP_ERR_NO_MEM;
}
xSemaphoreGive(_eventManager.mutex);
nvs_request_t request = {
.operation = NVS_OP_SAVE_DEVICE,
.device = *device,
.requestor = xTaskGetCurrentTaskHandle()
};
if (xQueueSend(_nvsRequestQueue, &request, pdMS_TO_TICKS(NVS_TIMEOUT_MS)) == pdTRUE) {
uint32_t notification;
if (xTaskNotifyWait(0, UINT32_MAX, &notification, pdMS_TO_TICKS(NVS_TIMEOUT_MS)) == pdTRUE) {
// notification contains the result directly (not a pointer)
return (esp_err_t)notification;
}
}
return ESP_ERR_TIMEOUT;
}
esp_err_t system_loadPairedDevices(paired_device_t *devices, size_t *count) {
if (!devices || !count) return ESP_ERR_INVALID_ARG;
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
size_t copy_count = (*count < _systemState.pairedDeviceCount) ? *count : _systemState.pairedDeviceCount;
memcpy(devices, _systemState.pairedDevices, copy_count * sizeof(paired_device_t));
*count = copy_count;
xSemaphoreGive(_eventManager.mutex);
return ESP_OK;
}
esp_err_t system_removePairedDevice(esp_bd_addr_t bda) {
nvs_request_t request = {
.operation = NVS_OP_REMOVE_DEVICE,
.requestor = xTaskGetCurrentTaskHandle()
};
memcpy(request.bda, bda, ESP_BD_ADDR_LEN);
if (xQueueSend(_nvsRequestQueue, &request, pdMS_TO_TICKS(NVS_TIMEOUT_MS)) == pdTRUE) {
uint32_t notification;
if (xTaskNotifyWait(0, UINT32_MAX, &notification, pdMS_TO_TICKS(NVS_TIMEOUT_MS)) == pdTRUE) {
// notification contains the result directly (not a pointer)
return (esp_err_t)notification;
}
}
return ESP_ERR_TIMEOUT;
}
bool system_isDeviceKnown(esp_bd_addr_t bda) {
bool known = false;
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
for (size_t i = 0; i < _systemState.pairedDeviceCount; i++) {
if (memcmp(_systemState.pairedDevices[i].bda, bda, ESP_BD_ADDR_LEN) == 0) {
known = true;
break;
}
}
xSemaphoreGive(_eventManager.mutex);
return known;
}
esp_err_t system_getKnownDeviceCount(size_t *count) {
if (!count) return ESP_ERR_INVALID_ARG;
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
*count = _systemState.pairedDeviceCount;
xSemaphoreGive(_eventManager.mutex);
return ESP_OK;
}
esp_err_t system_updateConnectionTimestamp(esp_bd_addr_t bda) {
nvs_request_t request = {
.operation = NVS_OP_UPDATE_TIMESTAMP,
.requestor = xTaskGetCurrentTaskHandle()
};
memcpy(request.bda, bda, ESP_BD_ADDR_LEN);
if (xQueueSend(_nvsRequestQueue, &request, pdMS_TO_TICKS(NVS_TIMEOUT_MS)) == pdTRUE) {
uint32_t notification;
if (xTaskNotifyWait(0, UINT32_MAX, &notification, pdMS_TO_TICKS(NVS_TIMEOUT_MS)) == pdTRUE) {
// notification contains the result directly (not a pointer)
return (esp_err_t)notification;
}
}
return ESP_ERR_TIMEOUT;
}
const paired_device_t* system_getPairedDevices(size_t *count) {
if (!count) return NULL;
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
*count = _systemState.pairedDeviceCount;
xSemaphoreGive(_eventManager.mutex);
return (const paired_device_t*)_systemState.pairedDevices;
}
esp_err_t system_clearAllPairedDevices(void) {
// Directly clear in-memory state and save to NVS
xSemaphoreTake(_eventManager.mutex, portMAX_DELAY);
_systemState.pairedDeviceCount = 0;
esp_err_t ret = nvs_save_devices_internal(_systemState.pairedDevices, 0);
xSemaphoreGive(_eventManager.mutex);
if (ret == ESP_OK) {
ESP_LOGI("system", "Cleared all paired devices from NVS");
} else {
ESP_LOGE("system", "Failed to clear paired devices: %s", esp_err_to_name(ret));
}
return ret;
}