Merge pull request #11279 from fjmolinas/stm32_common_i2c_DEVELHELP

stm32_common/i2c_2: fix unused *i2c when no DEVELHELP
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Kevin "Bear Puncher" Weiss 2019-03-27 11:42:48 +01:00 committed by GitHub
commit f7ff74f30d
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@ -79,9 +79,7 @@ void i2c_init(i2c_t dev)
mutex_init(&locks[dev]);
I2C_TypeDef *i2c = i2c_config[dev].dev;
assert(i2c != NULL);
assert(i2c_config[dev].dev != NULL);
periph_clk_en(i2c_config[dev].bus, i2c_config[dev].rcc_mask);
NVIC_SetPriority(i2c_config[dev].irqn, I2C_IRQ_PRIO);
@ -91,9 +89,9 @@ void i2c_init(i2c_t dev)
#if defined(CPU_FAM_STM32F4)
/* make sure the analog filters don't hang -> see errata sheet 2.14.7 */
if (i2c->SR2 & I2C_SR2_BUSY) {
if (i2c_config[dev].dev->SR2 & I2C_SR2_BUSY) {
/* disable peripheral */
i2c->CR1 &= ~I2C_CR1_PE;
i2c_config[dev].dev->CR1 &= ~I2C_CR1_PE;
/* toggle both pins to reset analog filter */
gpio_init(i2c_config[dev].scl_pin, GPIO_OD);
gpio_init(i2c_config[dev].sda_pin, GPIO_OD);