From b650f2ac498df4ba18d23ad7f02637f40917c28e Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Mon, 12 Apr 2021 22:33:31 +0200
Subject: add ssd1306 test app

---
 src/app/ssd1306test/Kconfig      |  6 ++++++
 src/app/ssd1306test/Makefile.inc | 13 +++++++++++++
 src/app/ssd1306test/main.cc      | 41 ++++++++++++++++++++++++++++++++++++++++
 src/app/ssd1306test/png-to-h     | 23 ++++++++++++++++++++++
 src/driver/ssd1306.cc            |  3 +++
 tests/build-arduino-nano         |  2 +-
 tests/build-msp430fr5969lp       |  2 +-
 tests/build-msp430fr5994lp       |  2 +-
 8 files changed, 89 insertions(+), 3 deletions(-)
 create mode 100644 src/app/ssd1306test/Kconfig
 create mode 100644 src/app/ssd1306test/Makefile.inc
 create mode 100644 src/app/ssd1306test/main.cc
 create mode 100755 src/app/ssd1306test/png-to-h

diff --git a/src/app/ssd1306test/Kconfig b/src/app/ssd1306test/Kconfig
new file mode 100644
index 0000000..dd71bba
--- /dev/null
+++ b/src/app/ssd1306test/Kconfig
@@ -0,0 +1,6 @@
+# Copyright 2021 Daniel Friesel
+#
+# SPDX-License-Identifier: CC0-1.0
+
+prompt "SSD1306 Test"
+depends on driver_ssd1306 && loop && !wakeup
diff --git a/src/app/ssd1306test/Makefile.inc b/src/app/ssd1306test/Makefile.inc
new file mode 100644
index 0000000..9a32d56
--- /dev/null
+++ b/src/app/ssd1306test/Makefile.inc
@@ -0,0 +1,13 @@
+# vim:ft=make
+#
+# Copyright 2021 Daniel Friesel
+#
+# SPDX-License-Identifier: CC0-1.0
+
+ifdef app
+	CONFIG_loop = y
+	override arch_drivers += ,i2c
+	CONFIG_driver_ssd1306 = y
+	CONFIG_driver_ssd1306_width = 128
+	CONFIG_driver_ssd1306_height = 64
+endif
diff --git a/src/app/ssd1306test/main.cc b/src/app/ssd1306test/main.cc
new file mode 100644
index 0000000..909d26d
--- /dev/null
+++ b/src/app/ssd1306test/main.cc
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2021 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#include "arch.h"
+#include "driver/gpio.h"
+#include "driver/stdout.h"
+#if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(DRIVER_SOFTI2C)
+#include "driver/i2c.h"
+#else
+#include "driver/soft_i2c.h"
+#endif
+#include "driver/ssd1306.h"
+
+unsigned char const image[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 192, 224, 240, 240, 240, 248, 248, 248, 248, 248, 248, 248, 248, 248, 240, 240, 240, 224, 192, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 184, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 254, 254, 254, 254, 255, 255, 255, 124, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 30, 63, 63, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 223, 3, 255, 255, 255, 255, 255, 246, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 7, 15, 31, 15, 15, 143, 255, 255, 255, 255, 255, 239, 159, 31, 31, 15, 7, 3, 3, 0, 0, 15, 127, 255, 255, 255, 127, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 192, 224, 240, 248, 252, 254, 135, 7, 7, 6, 142, 236, 252, 248, 152, 16, 48, 96, 96, 192, 192, 128, 128, 128, 128, 128, 128, 128, 128, 128, 192, 192, 128, 128, 128, 192, 224, 248, 252, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 254, 252, 248, 240, 224, 128, 128, 128, 129, 193, 129, 128, 128, 128, 128, 128, 128, 128, 128, 128, 192, 192, 96, 32, 48, 16, 216, 248, 252, 204, 142, 6, 7, 7, 142, 254, 252, 248, 240, 224, 192, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 243, 1, 1, 14, 255, 255, 255, 31, 6, 0, 0, 63, 255, 255, 63, 7, 0, 0, 0, 248, 254, 255, 255, 125, 1, 1, 1, 49, 253, 255, 255, 253, 1, 1, 19, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 191, 1, 1, 33, 253, 255, 255, 253, 49, 1, 1, 1, 125, 255, 255, 252, 248, 0, 0, 0, 7, 63, 255, 255, 63, 0, 0, 6, 31, 255, 255, 255, 30, 1, 1, 243, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 3, 7, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 31, 31, 3, 0, 0, 0, 0, 0, 3, 63, 191, 129, 192, 224, 254, 255, 255, 255, 63, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127, 255, 255, 255, 224, 224, 192, 131, 191, 127, 7, 0, 0, 0, 0, 0, 3, 63, 63, 0, 0, 0, 0, 0, 0, 1, 7, 0, 0, 0, 0, 0, 0, 7, 15, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 160, 240, 240, 240, 240, 224, 224, 240, 248, 248, 124, 62, 63, 31, 31, 15, 7, 7, 3, 1, 0, 192, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 254, 192, 0, 1, 3, 7, 7, 15, 31, 31, 63, 62, 124, 124, 248, 240, 248, 248, 248, 240, 176, 176, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+
+void loop(void)
+{
+	static unsigned char i = 0;
+	gpio.led_toggle(1);
+	ssd1306.setInvert((i % 20) >= 10);
+	ssd1306.setContrast((i % 10) * 25);
+
+	i++;
+}
+
+int main(void)
+{
+	arch.setup();
+	gpio.setup();
+	kout.setup();
+	i2c.setup();
+	ssd1306.init();
+
+	ssd1306.showImage((unsigned char*)image, sizeof(image));
+
+	arch.idle_loop();
+
+	return 0;
+}
diff --git a/src/app/ssd1306test/png-to-h b/src/app/ssd1306test/png-to-h
new file mode 100755
index 0000000..5e95967
--- /dev/null
+++ b/src/app/ssd1306test/png-to-h
@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+
+from PIL import Image
+import sys
+
+
+def load_image(filename):
+    im = Image.open(filename)
+    w, h = im.size
+    buf = [0 for i in range(buf_w * buf_h // 8)]
+    for y in range(min(h, buf_h)):
+        for x in range(min(w, buf_w)):
+            if im.getpixel((x, y)):
+                buf[(y // 8) * buf_w + x] |= 1 << (y % 8)
+    return buf
+
+
+buf_w = int(sys.argv[1])
+buf_h = int(sys.argv[2])
+filename = sys.argv[3]
+
+buf = load_image(filename)
+print(", ".join(map(str, buf)))
diff --git a/src/driver/ssd1306.cc b/src/driver/ssd1306.cc
index cf36c13..1d4e1f3 100644
--- a/src/driver/ssd1306.cc
+++ b/src/driver/ssd1306.cc
@@ -4,8 +4,11 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 #include "driver/ssd1306.h"
+#if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(DRIVER_SOFTI2C)
 #include "driver/i2c.h"
+#else
 #include "driver/soft_i2c.h"
+#endif
 
 void SSD1306::writeCommand(uint8_t command)
 {
diff --git a/tests/build-arduino-nano b/tests/build-arduino-nano
index 20185e0..f57434b 100755
--- a/tests/build-arduino-nano
+++ b/tests/build-arduino-nano
@@ -4,7 +4,7 @@ set -e
 
 apps="bme680-max44009-logger button-and-motion-logger
 	donothing i2cdetect ledblink mpu9250_motionlog
-	shell sysinfo timertest
+	shell ssd1306test sysinfo timertest
 	waittest wetterstation ws2812b_dmap ws2812b_uart"
 
 for app in $apps; do
diff --git a/tests/build-msp430fr5969lp b/tests/build-msp430fr5969lp
index 3971237..c23a882 100755
--- a/tests/build-msp430fr5969lp
+++ b/tests/build-msp430fr5969lp
@@ -4,7 +4,7 @@ set -e
 
 apps="bme680-max44009-logger
 	countertest donothing i2cdetect ledblink
-	nrf24l01test sharp96test shell sysinfo timertest
+	nrf24l01test ssd1306test sharp96test shell sysinfo timertest
 	waittest"
 
 for app in $apps; do
diff --git a/tests/build-msp430fr5994lp b/tests/build-msp430fr5994lp
index 7db2e32..7b2a4bf 100755
--- a/tests/build-msp430fr5994lp
+++ b/tests/build-msp430fr5994lp
@@ -4,7 +4,7 @@ set -e
 
 apps="bme680-max44009-logger
 	countertest deflatetest donothing i2cdetect ledblink
-	nrf24l01test sharp96-bad-apple sharp96test shell sysinfo timertest
+	nrf24l01test ssd1306test sharp96-bad-apple sharp96test shell sysinfo timertest
 	waittest"
 
 for app in $apps; do
-- 
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