From 3f1c385cf8f2b3878365ff652d22393593104817 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <daniel.friesel@uos.de>
Date: Thu, 19 Dec 2019 12:16:16 +0100
Subject: add luxlog app

---
 src/app/luxlog/Makefile.inc |  3 +++
 src/app/luxlog/main.cc      | 65 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 src/app/luxlog/Makefile.inc
 create mode 100644 src/app/luxlog/main.cc

diff --git a/src/app/luxlog/Makefile.inc b/src/app/luxlog/Makefile.inc
new file mode 100644
index 0000000..bcee1d0
--- /dev/null
+++ b/src/app/luxlog/Makefile.inc
@@ -0,0 +1,3 @@
+arch_drivers += ,i2c
+drivers += ,max44009
+loop ?= 1
diff --git a/src/app/luxlog/main.cc b/src/app/luxlog/main.cc
new file mode 100644
index 0000000..1dacb0a
--- /dev/null
+++ b/src/app/luxlog/main.cc
@@ -0,0 +1,65 @@
+#include "arch.h"
+#include "driver/gpio.h"
+#include "driver/stdout.h"
+#include "driver/timer.h"
+#if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(DRIVER_SOFTI2C)
+#include "driver/i2c.h"
+#else
+#include "driver/soft_i2c.h"
+#endif
+#include "driver/max44009.h"
+
+// Alle 10 Minuten ein Messwert -> 144 Werte pro Tag -> 28,4 Tage für 4096 Werte
+// Alle 4 Minuten ein Messwert -> 144 Werte pro Tag -> 11,37 Tage für 4096 Werte
+__attribute__ ((section(".text"))) uint32_t log[4096];
+
+uint16_t log_offset = 0;
+float val = 0;
+uint8_t loop_count = 0;
+
+void loop(void)
+{
+	if ((log_offset == 0) && (loop_count < 2)) {
+		for (uint16_t i = 0; i < 4096; i++) {
+			kout << i << " = " << log[i] << endl;
+		}
+	}
+
+	if ( (loop_count % 10) == 0) {
+		gpio.led_on(0);
+		arch.sleep_ms(1);
+		gpio.led_off(0);
+	}
+
+	if (++loop_count == 4*60) {
+		loop_count = 0;
+		val = max44009.getLux();
+
+		log[log_offset] = val * 10;
+		log[log_offset + 1] = 0x00C0FFEE;
+
+		log_offset++;
+
+		kout.printf_float(val);
+		kout << endl;
+	}
+}
+
+int main(void)
+{
+
+	arch.setup();
+	gpio.setup();
+	kout.setup();
+
+	if (i2c.setup() != 0) {
+		kout << "I2C setup failed" << endl;
+		return 1;
+	}
+
+	kout << "I2C setup OK" << endl;
+
+	arch.idle_loop();
+
+	return 0;
+}
-- 
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