From 2a27cb245a264d2ab128cb03211ebfd936ffd54a Mon Sep 17 00:00:00 2001
From: Alexandre Abadie <alexandre.abadie@inria.fr>
Date: Thu, 8 Jun 2017 09:39:20 +0200
Subject: [PATCH] boards/nucleo-l073: add configuration for I2C periph
---
boards/nucleo-l073/Makefile.features | 1 +
boards/nucleo-l073/include/periph_conf.h | 45 ++++++++++++++++++++++++
2 files changed, 46 insertions(+)
diff --git a/boards/nucleo-l073/Makefile.features b/boards/nucleo-l073/Makefile.features
index 58200e3051..bba9f6e210 100644
--- a/boards/nucleo-l073/Makefile.features
+++ b/boards/nucleo-l073/Makefile.features
@@ -2,6 +2,7 @@
FEATURES_PROVIDED += periph_cpuid
FEATURES_PROVIDED += periph_gpio
FEATURES_PROVIDED += periph_hwrng
+FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_rtc
FEATURES_PROVIDED += periph_spi
diff --git a/boards/nucleo-l073/include/periph_conf.h b/boards/nucleo-l073/include/periph_conf.h
index d8ee7c2b49..29e405f86f 100644
--- a/boards/nucleo-l073/include/periph_conf.h
+++ b/boards/nucleo-l073/include/periph_conf.h
@@ -189,6 +189,51 @@ static const spi_conf_t spi_config[] = {
#define DAC_NUMOF (0)
/** @} */
+/**
+ * @name I2C configuration
+ * @{
+ */
+#define I2C_0_EN 1
+#define I2C_1_EN 1
+#define I2C_NUMOF (I2C_0_EN + I2C_1_EN)
+#define I2C_IRQ_PRIO 1
+#define I2C_APBCLK (CLOCK_APB1)
+
+/* I2C 0 device configuration */
+#define I2C_0_DEV I2C1
+#define I2C_0_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_I2C1EN))
+#define I2C_0_CLKDIS() (periph_clk_dis(APB1, RCC_APB1ENR_I2C1EN))
+#define I2C_0_EVT_IRQ I2C1_IRQn
+#define I2C_0_EVT_ISR isr_i2c1
+/* I2C 0 pin configuration */
+#define I2C_0_SCL_PORT PORT_B
+#define I2C_0_SCL_PIN 8
+#define I2C_0_SCL_AF 4
+#define I2C_0_SCL_CLKEN() (periph_clk_en(AHB, RCC_IOPENR_GPIOBEN))
+#define I2C_0_SDA_PORT PORT_B
+#define I2C_0_SDA_PIN 9
+#define I2C_0_SDA_AF 4
+#define I2C_0_SDA_CLKEN() (periph_clk_en(AHB, RCC_IOPENR_GPIOBEN))
+
+/* I2C 1 device configuration */
+#define I2C_1_DEV I2C3
+#define I2C_1_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_I2C3EN))
+#define I2C_1_CLKDIS() (periph_clk_dis(APB1, RCC_APB1ENR_I2C3EN))
+#define I2C_1_EVT_IRQ I2C3_IRQn
+#define I2C_1_EVT_ISR isr_i2c3
+/* I2C 1 pin configuration */
+#define I2C_1_SCL_PORT PORT_A
+#define I2C_1_SCL_PIN 8
+#define I2C_1_SCL_AF 3
+#define I2C_1_SCL_CLKEN() (periph_clk_en(AHB, RCC_IOPENR_GPIOAEN))
+#define I2C_1_SDA_PORT PORT_B
+#define I2C_1_SDA_PIN 5
+#define I2C_1_SDA_AF 8
+#define I2C_1_SDA_CLKEN() (periph_clk_en(AHB, RCC_IOPENR_GPIOBEN))
+/** @} */
+
+/** @} */
+
/**
* @name RTC configuration
* @{
--
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