From 9c0dfaada976bf5c0cc7d0ccfc7cf8a128dc2a69 Mon Sep 17 00:00:00 2001
From: Benjamin Valentin <benpicco@beuth-hochschule.de>
Date: Mon, 9 Dec 2019 19:53:00 +0100
Subject: [PATCH] boards/msba2: add ADC configuration

ADC pins are on the AD/DA pins (JP8).
Configure AD0.0 - AD0.2 as laid out on the board schematics.
---
 boards/msba2/Makefile.features     |  1 +
 boards/msba2/include/periph_conf.h | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/boards/msba2/Makefile.features b/boards/msba2/Makefile.features
index 86ce00383f..1f563e7c87 100644
--- a/boards/msba2/Makefile.features
+++ b/boards/msba2/Makefile.features
@@ -1,6 +1,7 @@
 CPU = lpc2387
 
 # Put defined MCU peripherals here (in alphabetical order)
+FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_rtc
 FEATURES_PROVIDED += periph_spi
diff --git a/boards/msba2/include/periph_conf.h b/boards/msba2/include/periph_conf.h
index f92c6144d9..94ad2487b7 100644
--- a/boards/msba2/include/periph_conf.h
+++ b/boards/msba2/include/periph_conf.h
@@ -121,6 +121,32 @@ static const uart_conf_t uart_config[] = {
 #define SPI_NUMOF           (1)
 /** @} */
 
+/**
+ * @name ADC configuration
+ * @{
+ */
+static const adc_conf_t adc_config[] = {
+    {   /* P0.23 */
+        .chan       = 0,
+        .pinsel     = 1,
+        .pinsel_msk = BIT14,
+    },
+    {   /* P0.24 */
+        .chan       = 1,
+        .pinsel     = 1,
+        .pinsel_msk = BIT16,
+    },
+    {   /* P0.25 */
+        .chan       = 2,
+        .pinsel     = 1,
+        .pinsel_msk = BIT18,
+    },
+};
+
+#define ADC_NUMOF           ARRAY_SIZE(adc_config)
+/** @} */
+
+
 #ifdef __cplusplus
 }
 #endif