From ef6fc615ab704be785819040910bf2db5c6c5c8e Mon Sep 17 00:00:00 2001
From: Dave VanKampen <david.vankampen@bissell.com>
Date: Fri, 24 Sep 2021 10:21:17 -0400
Subject: [PATCH] boards/nucleo-g071rb: Added ADCs 0-5 for g071 nucleo

---
 boards/nucleo-g071rb/Kconfig               |  1 +
 boards/nucleo-g071rb/Makefile.features     |  1 +
 boards/nucleo-g071rb/include/periph_conf.h | 21 +++++++++++++++++++++
 3 files changed, 23 insertions(+)

diff --git a/boards/nucleo-g071rb/Kconfig b/boards/nucleo-g071rb/Kconfig
index 376b6621db..e03e2a87a8 100644
--- a/boards/nucleo-g071rb/Kconfig
+++ b/boards/nucleo-g071rb/Kconfig
@@ -15,6 +15,7 @@ config BOARD_NUCLEO_G071RB
     select CPU_MODEL_STM32G071RB
 
     # Put defined MCU peripherals here (in alphabetical order)
+    select HAS_PERIPH_ADC
     select HAS_PERIPH_I2C
     select HAS_PERIPH_RTT
     select HAS_PERIPH_SPI
diff --git a/boards/nucleo-g071rb/Makefile.features b/boards/nucleo-g071rb/Makefile.features
index ffa484623e..d7038a4afe 100644
--- a/boards/nucleo-g071rb/Makefile.features
+++ b/boards/nucleo-g071rb/Makefile.features
@@ -2,6 +2,7 @@ CPU = stm32
 CPU_MODEL = stm32g071rb
 
 # Put defined MCU peripherals here (in alphabetical order)
+FEATURES_PROVIDED += periph_adc
 FEATURES_PROVIDED += periph_i2c
 FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
diff --git a/boards/nucleo-g071rb/include/periph_conf.h b/boards/nucleo-g071rb/include/periph_conf.h
index 2ed0679676..f7ca766479 100644
--- a/boards/nucleo-g071rb/include/periph_conf.h
+++ b/boards/nucleo-g071rb/include/periph_conf.h
@@ -84,6 +84,27 @@ static const uart_conf_t uart_config[] = {
 #define UART_NUMOF          ARRAY_SIZE(uart_config)
 /** @} */
 
+/**
+ * @name    ADC configuration
+ *
+ * Note that we do not configure all ADC channels,
+ * and not in the STM32G071 order.  Instead, we
+ * just define 6 ADC channels, for the Nucleo
+ * Arduino header pins A0-A5
+ *
+ * @{
+ */
+static const adc_conf_t adc_config[] = {
+    { .pin = GPIO_PIN(PORT_A,  0), .dev = 0, .chan =  0 },
+    { .pin = GPIO_PIN(PORT_A,  1), .dev = 0, .chan =  1 },
+    { .pin = GPIO_PIN(PORT_A,  4), .dev = 0, .chan =  4 },
+    { .pin = GPIO_PIN(PORT_B,  1), .dev = 0, .chan =  9 },
+    { .pin = GPIO_PIN(PORT_B, 11), .dev = 0, .chan = 15 },
+    { .pin = GPIO_PIN(PORT_B, 12), .dev = 0, .chan = 16 },
+};
+
+#define ADC_NUMOF           ARRAY_SIZE(adc_config)
+
 /**
  * @name   SPI configuration
  * @{