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Use mutexes to make display writings threadsafe

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This commit is contained in:
Djuri Baars 2023-11-13 17:51:10 +01:00
parent 279e156dc1
commit 5987f03e8c
3 changed files with 40 additions and 19 deletions
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3
src/lib/config.cpp
View File

@ -38,6 +38,9 @@ void setup()
setupButtonTask();
setupOTA();
waitUntilNoneBusy();
forceFullRefresh();
}
void tryImprovSetup()

6
src/lib/epd.cpp
View File

@ -67,6 +67,7 @@ int bgColor = GxEPD_BLACK;
#define FONT_BIG Antonio_SemiBold90pt7b
std::mutex epdUpdateMutex;
std::mutex epdMutex[NUM_SCREENS];
uint8_t qrcode[800];
@ -160,7 +161,7 @@ void prepareDisplayUpdateTask(void *pvParameters)
if (xQueueReceive(updateQueue, &receivedItem, portMAX_DELAY))
{
uint epdIndex = receivedItem.dispNum;
std::lock_guard<std::mutex> lock(epdMutex[epdIndex]);
// displays[epdIndex].init(0, false); // Little longer reset duration because of MCP
bool updatePartial = true;
@ -207,6 +208,8 @@ extern "C" void updateDisplay(void *pvParameters) noexcept
// Wait for the task notification
ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
std::lock_guard<std::mutex> lock(epdMutex[epdIndex]);
uint count = 0;
while (EPD_BUSY[epdIndex].digitalRead() == HIGH || count < 10)
{
@ -411,6 +414,7 @@ void waitUntilNoneBusy()
}
else if (count > 205)
{
Serial.printf("Busy timeout %d", i);
break;
}
}

32
src/lib/screen_handler.cpp
View File

@ -11,7 +11,6 @@ esp_timer_handle_t minuteTimer;
std::array<String, NUM_SCREENS> taskEpdContent = {"", "", "", "", "", "", ""};
std::string priceString;
// typedef enum
// {
// TASK_PRICE_UPDATE,
@ -49,20 +48,23 @@ void workerTask(void *pvParameters)
firstIndex = 0;
uint price = getPrice();
char priceSymbol = '$';
if (getCurrentScreen() == SCREEN_BTC_TICKER)
if (preferences.getBool("fetchEurPrice", false))
{
if (preferences.getBool("fetchEurPrice", false)) {
priceSymbol = '[';
}
if (getCurrentScreen() == SCREEN_BTC_TICKER)
{
priceString = (priceSymbol + String(price)).c_str();
if (priceString.length() < (NUM_SCREENS))
{
priceString.insert(priceString.begin(), NUM_SCREENS - priceString.length(), ' ');
if (preferences.getBool("fetchEurPrice", false)) {
if (preferences.getBool("fetchEurPrice", false))
{
taskEpdContent[0] = "BTC/EUR";
} else {
}
else
{
taskEpdContent[0] = "BTC/USD";
}
firstIndex = 1;
@ -75,7 +77,12 @@ void workerTask(void *pvParameters)
if (priceString.length() < (NUM_SCREENS))
{
priceString.insert(priceString.begin(), NUM_SCREENS - priceString.length(), ' ');
if (preferences.getBool("fetchEurPrice", false))
{
taskEpdContent[0] = "SATS/EUR";
} else {
taskEpdContent[0] = "MSCW/TIME";
}
firstIndex = 1;
}
}
@ -84,13 +91,20 @@ void workerTask(void *pvParameters)
double supply = getSupplyAtBlock(getBlockHeight());
int64_t marketCap = static_cast<std::int64_t>(supply * double(price));
if (preferences.getBool("fetchEurPrice", false))
{
taskEpdContent[0] = "EUR/MCAP";
}
else
{
taskEpdContent[0] = "USD/MCAP";
}
if (preferences.getBool("mcapBigChar", true))
{
firstIndex = 1;
priceString = "$" + formatNumberWithSuffix(marketCap);
priceString = priceSymbol + formatNumberWithSuffix(marketCap);
priceString.insert(priceString.begin(), NUM_SCREENS - priceString.length(), ' ');
}
else
@ -209,7 +223,6 @@ void workerTask(void *pvParameters)
}
}
void taskScreenRotate(void *pvParameters)
{
for (;;)
@ -235,7 +248,8 @@ void IRAM_ATTR minuteTimerISR(void *arg)
// vTaskNotifyGiveFromISR(timeUpdateTaskHandle, &xHigherPriorityTaskWoken);
WorkItem timeUpdate = {TASK_TIME_UPDATE, 0};
xQueueSendFromISR(workQueue, &timeUpdate, &xHigherPriorityTaskWoken);
if (priceFetchTaskHandle != NULL) {
if (priceFetchTaskHandle != NULL)
{
vTaskNotifyGiveFromISR(priceFetchTaskHandle, &xHigherPriorityTaskWoken);
}
if (xHigherPriorityTaskWoken == pdTRUE)