diff --git a/boards/common/iotlab/include/periph_conf_common.h b/boards/common/iotlab/include/periph_conf_common.h
index b69ee112faa1646548966385f8806e53b0e27fea..406a38a7e8b957a8dbda7054bcff37c8ea98d995 100644
--- a/boards/common/iotlab/include/periph_conf_common.h
+++ b/boards/common/iotlab/include/periph_conf_common.h
@@ -143,22 +143,22 @@ static const uart_conf_t uart_config[] = {
* @name I2C configuration
* @{
*/
-#define I2C_NUMOF (1U)
-#define I2C_0_EN 1
-#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_EV_IRQn
-#define I2C_0_EVT_ISR isr_i2c1_ev
-#define I2C_0_ERR_IRQ I2C1_ER_IRQn
-#define I2C_0_ERR_ISR isr_i2c1_er
-/* I2C 0 pin configuration */
-#define I2C_0_SCL_PIN GPIO_PIN(PORT_B,6)
-#define I2C_0_SDA_PIN GPIO_PIN(PORT_B,7)
+static const i2c_conf_t i2c_config[] = {
+ {
+ .dev = I2C1,
+ .speed = I2C_SPEED_NORMAL,
+ .scl_pin = GPIO_PIN(PORT_B, 6),
+ .sda_pin = GPIO_PIN(PORT_B, 7),
+ .bus = APB1,
+ .rcc_mask = RCC_APB1ENR_I2C1EN,
+ .clk = CLOCK_APB1,
+ .irqn = I2C1_EV_IRQn
+ }
+};
+
+#define I2C_0_ISR isr_i2c1_ev
+
+#define I2C_NUMOF (sizeof(i2c_config) / sizeof(i2c_config[0]))
/** @} */
/**
diff --git a/boards/common/stm32f103c8/include/periph_conf.h b/boards/common/stm32f103c8/include/periph_conf.h
index 08bfaedaba69438ea294f90f2cebf428df10ba0c..bbd0119b41a3d877ba58f94818583bcea1b23a8e 100644
--- a/boards/common/stm32f103c8/include/periph_conf.h
+++ b/boards/common/stm32f103c8/include/periph_conf.h
@@ -158,35 +158,33 @@ static const uart_conf_t uart_config[] = {
* @name I2C configuration
* @{
*/
-#define I2C_NUMOF (2U)
-#define I2C_0_EN 1
-#define I2C_1_EN 0 /* Disabled by default since pins collide with USART3. */
-#define I2C_IRQ_PRIO 1
-#define I2C_APBCLK (CLOCK_APB1)
+static const i2c_conf_t i2c_config[] = {
+ {
+ .dev = I2C1,
+ .speed = I2C_SPEED_NORMAL,
+ .scl_pin = GPIO_PIN(PORT_B, 8),
+ .sda_pin = GPIO_PIN(PORT_B, 9),
+ .bus = APB1,
+ .rcc_mask = RCC_APB1ENR_I2C1EN,
+ .clk = CLOCK_APB1,
+ .irqn = I2C1_EV_IRQn
+ },
+ {
+ .dev = I2C2,
+ .speed = I2C_SPEED_NORMAL,
+ .scl_pin = GPIO_PIN(PORT_B, 10),
+ .sda_pin = GPIO_PIN(PORT_B, 11),
+ .bus = APB1,
+ .rcc_mask = RCC_APB1ENR_I2C2EN,
+ .clk = CLOCK_APB1,
+ .irqn = I2C2_EV_IRQn
+ }
+};
-/* 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_EV_IRQn
-#define I2C_0_EVT_ISR isr_i2c1_ev
-#define I2C_0_ERR_IRQ I2C1_ER_IRQn
-#define I2C_0_ERR_ISR isr_i2c1_er
-/* I2C 0 pin configuration */
-#define I2C_0_SCL_PIN GPIO_PIN(PORT_B, 6)
-#define I2C_0_SDA_PIN GPIO_PIN(PORT_B, 7)
+#define I2C_0_ISR isr_i2c1_ev
+#define I2C_1_ISR isr_i2c2_ev
-/* I2C 1 device configuration */
-#define I2C_1_DEV I2C2
-#define I2C_1_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_I2C2EN))
-#define I2C_1_CLKDIS() (periph_clk_dis(APB1, RCC_APB1ENR_I2C2EN))
-#define I2C_1_EVT_IRQ I2C2_EV_IRQn
-#define I2C_1_EVT_ISR isr_i2c2_ev
-#define I2C_1_ERR_IRQ I2C2_ER_IRQn
-#define I2C_1_ERR_ISR isr_i2c2_er
-/* I2C 1 pin configuration */
-#define I2C_1_SCL_PIN GPIO_PIN(PORT_B, 10)
-#define I2C_1_SDA_PIN GPIO_PIN(PORT_B, 11)
+#define I2C_NUMOF (sizeof(i2c_config) / sizeof(i2c_config[0]))
/** @} */
/**
diff --git a/boards/fox/include/periph_conf.h b/boards/fox/include/periph_conf.h
index b3e120db273234bf1c7e56d0a69ee9f29fd219c9..524761ba9627012969b559231c9e28ad12683d6c 100644
--- a/boards/fox/include/periph_conf.h
+++ b/boards/fox/include/periph_conf.h
@@ -180,22 +180,22 @@ static const spi_conf_t spi_config[] = {
* @name I2C configuration
* @{
*/
-#define I2C_NUMOF (1U)
-#define I2C_0_EN 1
-#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_EV_IRQn
-#define I2C_0_EVT_ISR isr_i2c1_ev
-#define I2C_0_ERR_IRQ I2C1_ER_IRQn
-#define I2C_0_ERR_ISR isr_i2c1_er
-/* I2C 0 pin configuration */
-#define I2C_0_SCL_PIN GPIO_PIN(PORT_B,6)
-#define I2C_0_SDA_PIN GPIO_PIN(PORT_B,7)
+static const i2c_conf_t i2c_config[] = {
+ {
+ .dev = I2C1,
+ .speed = I2C_SPEED_NORMAL,
+ .scl_pin = GPIO_PIN(PORT_B, 6),
+ .sda_pin = GPIO_PIN(PORT_B, 7),
+ .bus = APB1,
+ .rcc_mask = RCC_APB1ENR_I2C1EN,
+ .clk = CLOCK_APB1,
+ .irqn = I2C1_EV_IRQn
+ }
+};
+
+#define I2C_0_ISR isr_i2c1_ev
+
+#define I2C_NUMOF (sizeof(i2c_config) / sizeof(i2c_config[0]))
/** @} */
#ifdef __cplusplus
diff --git a/boards/maple-mini/include/periph_conf.h b/boards/maple-mini/include/periph_conf.h
index 8e3e413897f13c3ac51399a96c7ce0561f4501f7..e9780929e2d99be7df00f3e9ee8346bf8bbbfbbf 100644
--- a/boards/maple-mini/include/periph_conf.h
+++ b/boards/maple-mini/include/periph_conf.h
@@ -135,35 +135,33 @@ static const uart_conf_t uart_config[] = {
* @name I2C configuration
* @{
*/
-#define I2C_NUMOF (2U)
-#define I2C_0_EN 1
-#define I2C_1_EN 0
-#define I2C_IRQ_PRIO 1
-#define I2C_APBCLK (CLOCK_APB1)
-
-/* I2C 0 device configuration */
-#define I2C_0_DEV I2C1
-#define I2C_0_CLKEN() (RCC->APB1ENR |= RCC_APB1ENR_I2C1EN)
-#define I2C_0_CLKDIS() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C1EN))
-#define I2C_0_EVT_IRQ I2C1_EV_IRQn
-#define I2C_0_EVT_ISR isr_i2c1_ev
-#define I2C_0_ERR_IRQ I2C1_ER_IRQn
-#define I2C_0_ERR_ISR isr_i2c1_er
-/* I2C 0 pin configuration */
-#define I2C_0_SCL_PIN GPIO_PIN(PORT_B, 6) /* D15 */
-#define I2C_0_SDA_PIN GPIO_PIN(PORT_B, 7) /* D16 */
-
-/* I2C 1 device configuration */
-#define I2C_1_DEV I2C2
-#define I2C_1_CLKEN() (RCC->APB1ENR |= RCC_APB1ENR_I2C2EN)
-#define I2C_1_CLKDIS() (RCC->APB1ENR &= ~(RCC_APB1ENR_I2C2EN))
-#define I2C_1_EVT_IRQ I2C2_EV_IRQn
-#define I2C_1_EVT_ISR isr_i2c2_ev
-#define I2C_1_ERR_IRQ I2C2_ER_IRQn
-#define I2C_1_ERR_ISR isr_i2c2_er
-/* I2C 1 pin configuration */
-#define I2C_1_SCL_PIN GPIO_PIN(PORT_B, 10) /* D1 */
-#define I2C_1_SDA_PIN GPIO_PIN(PORT_B, 11) /* D0 */
+static const i2c_conf_t i2c_config[] = {
+ {
+ .dev = I2C1,
+ .speed = I2C_SPEED_NORMAL,
+ .scl_pin = GPIO_PIN(PORT_B, 8), /* D15 */
+ .sda_pin = GPIO_PIN(PORT_B, 9), /* D16 */
+ .bus = APB1,
+ .rcc_mask = RCC_APB1ENR_I2C1EN,
+ .clk = CLOCK_APB1,
+ .irqn = I2C1_EV_IRQn
+ },
+ {
+ .dev = I2C2,
+ .speed = I2C_SPEED_NORMAL,
+ .scl_pin = GPIO_PIN(PORT_B, 10), /* D1 */
+ .sda_pin = GPIO_PIN(PORT_B, 11), /* D0 */
+ .bus = APB1,
+ .rcc_mask = RCC_APB1ENR_I2C2EN,
+ .clk = CLOCK_APB1,
+ .irqn = I2C2_EV_IRQn
+ }
+};
+
+#define I2C_0_ISR isr_i2c1_ev
+#define I2C_1_ISR isr_i2c2_ev
+
+#define I2C_NUMOF (sizeof(i2c_config) / sizeof(i2c_config[0]))
/** @} */
/**
diff --git a/boards/nucleo-f103rb/include/periph_conf.h b/boards/nucleo-f103rb/include/periph_conf.h
index 78b0ea4ac766795dc40bd605becdaf6dbd7fcb96..3863bfbed59a93986efc252ae2047955ce99bd74 100644
--- a/boards/nucleo-f103rb/include/periph_conf.h
+++ b/boards/nucleo-f103rb/include/periph_conf.h
@@ -147,35 +147,33 @@ static const uart_conf_t uart_config[] = {
* @name I2C configuration
* @{
*/
-#define I2C_NUMOF (2U)
-#define I2C_0_EN 1
-#define I2C_1_EN 0
-#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_EV_IRQn
-#define I2C_0_EVT_ISR isr_i2c1_ev
-#define I2C_0_ERR_IRQ I2C1_ER_IRQn
-#define I2C_0_ERR_ISR isr_i2c1_er
-/* I2C 0 pin configuration */
-#define I2C_0_SCL_PIN GPIO_PIN(PORT_B, 8) /* remapped */
-#define I2C_0_SDA_PIN GPIO_PIN(PORT_B, 9) /* remapped */
-
-/* I2C 1 device configuration */
-#define I2C_1_DEV I2C2
-#define I2C_1_CLKEN() (periph_clk_en(APB1, RCC_APB1ENR_I2C2EN))
-#define I2C_1_CLKDIS() (periph_clk_dis(APB1, RCC_APB1ENR_I2C2EN))
-#define I2C_1_EVT_IRQ I2C2_EV_IRQn
-#define I2C_1_EVT_ISR isr_i2c2_ev
-#define I2C_1_ERR_IRQ I2C2_ER_IRQn
-#define I2C_1_ERR_ISR isr_i2c2_er
-/* I2C 1 pin configuration */
-#define I2C_1_SCL_PIN GPIO_PIN(PORT_B, 10)
-#define I2C_1_SDA_PIN GPIO_PIN(PORT_B, 11)
+static const i2c_conf_t i2c_config[] = {
+ {
+ .dev = I2C1,
+ .speed = I2C_SPEED_NORMAL,
+ .scl_pin = GPIO_PIN(PORT_B, 8),
+ .sda_pin = GPIO_PIN(PORT_B, 9),
+ .bus = APB1,
+ .rcc_mask = RCC_APB1ENR_I2C1EN,
+ .clk = CLOCK_APB1,
+ .irqn = I2C1_EV_IRQn
+ },
+ {
+ .dev = I2C2,
+ .speed = I2C_SPEED_NORMAL,
+ .scl_pin = GPIO_PIN(PORT_B, 10),
+ .sda_pin = GPIO_PIN(PORT_B, 11),
+ .bus = APB1,
+ .rcc_mask = RCC_APB1ENR_I2C2EN,
+ .clk = CLOCK_APB1,
+ .irqn = I2C2_EV_IRQn
+ }
+};
+
+#define I2C_0_ISR isr_i2c1_ev
+#define I2C_1_ISR isr_i2c2_ev
+
+#define I2C_NUMOF (sizeof(i2c_config) / sizeof(i2c_config[0]))
/** @} */
/**