[riot-notifications] [RIOT-OS/RIOT] boards/stm32l0538-disco: add initial support (#9517)

Francisco notifications at github.com
Fri Jul 5 11:03:20 CEST 2019

fjmolinas commented on this pull request.

> +
+ * @ingroup     boards_stm32l0538-disco
+ * @{
+ *
+ * @file
+ * @brief       Peripheral MCU configuration for the STM32L0538-DISCO board
+ *
+ * @author      Alexandre Abadie <alexandre.abadie at inria.fr>
+ */
+#ifndef PERIPH_CONF_H
+#define PERIPH_CONF_H
+#include "periph_cpu.h"
+#include "cfg_rtt_default.h"

This is not valid, it is calculated based on the CLK beeing 32Khz, but here it is 37Khz. I created a branch to patch this https://github.com/fjmolinas/RIOT/tree/pr_stm32_rtt_lsi.

The problem is the test still fails because LSI isn't very precise it can have a pretty big deviation around 37KhZ.

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