From b0823680333a92ba1cc9930881c273c77fd82fa2 Mon Sep 17 00:00:00 2001
From: Benjamin Valentin <benpicco@beuth-hochschule.de>
Date: Sat, 23 May 2020 16:05:09 +0200
Subject: [PATCH] boards/stm32f429i-disco: add support

The boards/stm32f429i-disco board is an ealier version of the stm32f429i-disc1.

The boards are compatible with the difference that the older on-board debugger
does not provide a UART connection.

To spare the user of having to wire up a USB-TTL adapter, enable CDC-ACM
on the micro-USB port.
---
 boards/stm32f429i-disco/Makefile          |  2 ++
 boards/stm32f429i-disco/Makefile.dep      |  5 +++++
 boards/stm32f429i-disco/Makefile.features |  1 +
 boards/stm32f429i-disco/Makefile.include  |  4 ++++
 boards/stm32f429i-disco/doc.txt           | 13 +++++++++++++
 5 files changed, 25 insertions(+)
 create mode 100644 boards/stm32f429i-disco/Makefile
 create mode 100644 boards/stm32f429i-disco/Makefile.dep
 create mode 100644 boards/stm32f429i-disco/Makefile.features
 create mode 100644 boards/stm32f429i-disco/Makefile.include
 create mode 100644 boards/stm32f429i-disco/doc.txt

diff --git a/boards/stm32f429i-disco/Makefile b/boards/stm32f429i-disco/Makefile
new file mode 100644
index 0000000000..44ebe46cc1
--- /dev/null
+++ b/boards/stm32f429i-disco/Makefile
@@ -0,0 +1,2 @@
+DIRS = $(RIOTBOARD)/stm32f429i-disc1
+include $(RIOTBASE)/Makefile.base
diff --git a/boards/stm32f429i-disco/Makefile.dep b/boards/stm32f429i-disco/Makefile.dep
new file mode 100644
index 0000000000..3d55a69db7
--- /dev/null
+++ b/boards/stm32f429i-disco/Makefile.dep
@@ -0,0 +1,5 @@
+ifeq (,$(filter stdio_% slipdev_stdio,$(USEMODULE)))
+  USEMODULE += stdio_cdc_acm
+endif
+
+include $(RIOTBOARD)/stm32f429i-disc1/Makefile.dep
diff --git a/boards/stm32f429i-disco/Makefile.features b/boards/stm32f429i-disco/Makefile.features
new file mode 100644
index 0000000000..efa16e373d
--- /dev/null
+++ b/boards/stm32f429i-disco/Makefile.features
@@ -0,0 +1 @@
+include $(RIOTBOARD)/stm32f429i-disc1/Makefile.features
diff --git a/boards/stm32f429i-disco/Makefile.include b/boards/stm32f429i-disco/Makefile.include
new file mode 100644
index 0000000000..24c1042b7d
--- /dev/null
+++ b/boards/stm32f429i-disco/Makefile.include
@@ -0,0 +1,4 @@
+STLINK_VERSION ?= 2
+INCLUDES  += -I$(RIOTBOARD)/stm32f429i-disc1/include
+
+include $(RIOTBOARD)/stm32f429i-disc1/Makefile.include
diff --git a/boards/stm32f429i-disco/doc.txt b/boards/stm32f429i-disco/doc.txt
new file mode 100644
index 0000000000..060e7b4235
--- /dev/null
+++ b/boards/stm32f429i-disco/doc.txt
@@ -0,0 +1,13 @@
+/**
+ * @defgroup    boards_stm32f429i-disco STM32F429I-DISCO
+ * @ingroup     boards
+ * @brief       Support for the STM32F429I-DISCO board
+ */
+
+### General information
+
+The board is identical to the @ref boards_stm32f429i-disc1 except that it uses
+an older on-board ST-LINK debugger that does not provide a serial UART interface.
+
+To mitigate that, stdio is instead provided through the micro-USB connector using
+RIOT's CDC ACM functionality.