From 4bea2126c0571bcad88af9158c6eddcc71f3ac7f Mon Sep 17 00:00:00 2001
From: Enzo Evers <enzoevers@gmail.com>
Date: Sat, 8 Jun 2024 22:51:55 +0200
Subject: [PATCH] feat: update main.cpp for a time demo

---
 Code/main.cpp | 69 +++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 58 insertions(+), 11 deletions(-)

diff --git a/Code/main.cpp b/Code/main.cpp
index 9d50ffe..0459070 100644
--- a/Code/main.cpp
+++ b/Code/main.cpp
@@ -10,6 +10,7 @@
 #endif
 
 #if defined(USE_STM32)
+#include "DateTimeStm32.h"
 #include "DelayStm32.h"
 #include "GPIOOutputStm32.h"
 #endif
@@ -47,9 +48,24 @@ int main() {
         latch.SetupConfiguration({&GPIOD->ODR, GPIO_ODR_14});
         ledOE.SetupConfiguration({&GPIOD->ODR, GPIO_ODR_15});
     }
+
     uint32_t tim3Hertz = 40000000;
     auto mainDelay = DelayStm32();
     mainDelay.SetupConfiguration({&TIM3->SR, &TIM3->ARR, &TIM3->CR1, &TIM3->PSC, tim3Hertz, TIM_SR_UIF, TIM_CR1_CEN});
+
+    auto dateTime = DateTimeStm32();
+    dateTime.SetConfig({.PWR_CR = &PWR->CR,
+                        .RTC_WPR = &RTC->WPR,
+                        .RTC_ISR = &RTC->ISR,
+                        .RTC_CR = &RTC->CR,
+                        .RTC_TR = &RTC->TR,
+                        .RTC_DR = &RTC->DR,
+                        .RTC_SSR = &RTC->SSR,
+                        .PWR_CR_DBP_pos = PWR_CR_DBP_Pos,
+                        .RTC_ISR_INIT_pos = RTC_ISR_INIT_Pos,
+                        .RTC_ISR_INITF_pos = RTC_ISR_INITF_Pos,
+                        .RTC_CR_FMF_pos = RTC_CR_FMT_Pos});
+
 #endif
 
 #if defined(USE_DESKTOP)
@@ -80,11 +96,9 @@ int main() {
     hanoverOL037A.SetGPIOInterface(hanoverOL037A_GPIOInterface);
     hanoverOL037A.SetDelayManager(&mainDelay);
 
-    // Clear the display
-    // hanoverOL037A.UpdateDisplay();
-
     auto textBmhFormat = TextBmhFormat();
     textBmhFormat.SetFont(&Bitstream_Vera_Sans_Mono_12::font_data);
+
     std::string text = "Hello World!";
     const auto pixelAreaSize = textBmhFormat.GetRequiredSizeString(text, 1);
     Monochrome pixelAreaData[pixelAreaSize.x * pixelAreaSize.y];
@@ -96,15 +110,48 @@ int main() {
     hanoverOL037A.SetArea({10, 0}, pixelArea);
     hanoverOL037A.UpdateDisplay();
 
-    // hanoverOL037A.SetPixel({0, 0}, 1);
-    // hanoverOL037A.SetPixel({39, 0}, 1);
-    // hanoverOL037A.SetPixel({0, 7}, 1);
-    // hanoverOL037A.SetPixel({39, 7}, 1);
+    mainDelay.SynchronousWait_us(1000000);
 
-    // for (auto y = 0; y < 19; y++) {
-    //     hanoverOL037A.SetPixel({7, y}, 1);
-    // }
-    // hanoverOL037A.UpdateDisplay();
+    // Reset display
+    std::memset(pixelAreaData, 0, sizeof(pixelAreaData));
+    hanoverOL037A.SetArea({10, 0}, pixelArea);
+    hanoverOL037A.UpdateDisplay();
+
+    dateTime.SetDateTime({
+        .time = {.hours = 14, .minutes = 4, .seconds = 25, .milliseconds = 0},
+        .date = {.year = 2021, .month = 9, .day = 1, .weekday = Weekday::Wednesday},
+    });
+
+    const auto screenResolution = hanoverOL037A.GetResolution();
+    DateTime lastDateTime;
+    while (true) {
+        auto currentDateTime = dateTime.GetDateTime();
+        if (currentDateTime == lastDateTime) {
+            continue;
+        }
+        lastDateTime = currentDateTime;
+
+        char timeTextBuffer[13];
+        std::snprintf(&timeTextBuffer[0], sizeof(timeTextBuffer), "%.2u : %.2u : %.2u", currentDateTime.time.hours,
+                      currentDateTime.time.minutes, currentDateTime.time.seconds);
+
+        const auto pixelAreaSize = textBmhFormat.GetRequiredSizeString(timeTextBuffer, 1);
+        Monochrome pixelAreaData[pixelAreaSize.x * pixelAreaSize.y];
+        std::memset(pixelAreaData, 0, sizeof(pixelAreaData));
+        PixelArea<Monochrome> pixelArea{pixelAreaSize, pixelAreaData};
+        Vec2D offset{0, 0};
+        textBmhFormat.SetString(timeTextBuffer, 1, offset, pixelArea);
+
+        hanoverOL037A.SetArea({5, 0}, pixelArea);
+        hanoverOL037A.UpdateDisplay();
+
+        // Clear all screen pixels
+        for (auto y = 0; y < screenResolution.y; ++y) {
+            for (auto x = 0; x < screenResolution.x; ++x) {
+                hanoverOL037A.SetPixel({x, y}, 0);
+            }
+        }
+    }
 
     return 0;
 }
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