From 3f1e5a5c6a594601e597a43a125883d5e3c618c1 Mon Sep 17 00:00:00 2001
From: Loek Le Blansch <loek@pipeframe.xyz>
Date: Fri, 7 Jun 2024 16:56:19 +0200
Subject: added pull-up resistors (code works, commit for safety)

---
 lib/pbdrv/drv/arduino/mod.cpp |  3 +++
 puzzle/dummy/main.cpp         | 24 +++++++++++-------------
 puzzle/dummy/makefile         | 14 +++++++++++++-
 3 files changed, 27 insertions(+), 14 deletions(-)

diff --git a/lib/pbdrv/drv/arduino/mod.cpp b/lib/pbdrv/drv/arduino/mod.cpp
index 2113ba2..a522ff8 100644
--- a/lib/pbdrv/drv/arduino/mod.cpp
+++ b/lib/pbdrv/drv/arduino/mod.cpp
@@ -43,5 +43,8 @@ __weak void pbdrv_i2c_send(i2c_addr_t addr, const uint8_t * buf, size_t sz) {
 		if(retry == 0) break;
 		retry--;
 	} while (error);
+
+	if (error)
+		Serial.print(error, DEC);
 }
 
diff --git a/puzzle/dummy/main.cpp b/puzzle/dummy/main.cpp
index 688549f..4abe47a 100644
--- a/puzzle/dummy/main.cpp
+++ b/puzzle/dummy/main.cpp
@@ -3,18 +3,20 @@
 
 #include "drv/arduino/mod.h"
 
-// #define THOMAS
-
-#ifdef THOMAS
+#ifdef TEST_A
 #define ADDR_RX 0x69
 #define ADDR_TX 0x20
-#define MSG "hoi"
+#define MSG "aa"
+#define MSG_SIZE 3
 #define MSG_DELAY 10
-#else
+#endif
+
+#ifdef TEST_B
 #define ADDR_TX 0x69
 #define ADDR_RX 0x20
-#define MSG "dag"
-#define MSG_DELAY 9
+#define MSG "bbbbbbbb"
+#define MSG_SIZE 9
+#define MSG_DELAY 10
 #endif
 
 const char * PBDRV_MOD_NAME = "dummy";
@@ -23,16 +25,12 @@ const i2c_addr_t PBDRV_MOD_ADDR = ADDR_RX;
 void setup() {
 	pbdrv_setup();
 	Serial.begin(115200);
-	pinMode(4, OUTPUT);
-	digitalWrite(4, LOW);
 }
 
 void loop() {
-	pbdrv_i2c_send(ADDR_TX, (uint8_t *) MSG, 4);
+	pbdrv_i2c_send(ADDR_TX, (uint8_t *) MSG, MSG_SIZE);
 	delay(MSG_DELAY);
 }
 
-void pbdrv_i2c_recv(const uint8_t * data, size_t size) {
-	Serial.println((char *) data);
-}
+void pbdrv_i2c_recv(const uint8_t * data, size_t size) { }
 
diff --git a/puzzle/dummy/makefile b/puzzle/dummy/makefile
index a971dfb..041054e 100644
--- a/puzzle/dummy/makefile
+++ b/puzzle/dummy/makefile
@@ -2,6 +2,18 @@ TARGET = $(BUILD_DIR)/main.elf
 
 include ../../lazy.mk
 
-export SERIAL_PORT = /dev/ttyACM0
+export SERIAL_PORT ?= /dev/ttyACM0
 flash: upload-main;
 
+test: test_a test_b;
+
+test_a:
+	$(MAKE) -C . clean
+	$(MAKE) -E CMFLAGS+=-D\ CMAKE_CXX_FLAGS=-DTEST_A -C .
+	$(MAKE) -E SERIAL_PORT=/dev/ttyACM0 -C . flash
+
+test_b:
+	$(MAKE) -C . clean
+	$(MAKE) -E CMFLAGS+=-D\ CMAKE_CXX_FLAGS=-DTEST_B -C .
+	$(MAKE) -E SERIAL_PORT=/dev/ttyACM1 -C . flash
+
-- 
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