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[STM32L0] Fix baudrate initialisation 

Issue #2074

Assuming that OverSampling is initialized, the baudrate is now correctly
computed inside CMSIS (STM32 HAL) layer. This was not the case before but
most probably was fixed during latest L0 cube firmware upgrade:

commit ce436d5107
Author: svastm <simon.vanson@st.com>
Date:   Thu Apr 14 14:39:53 2016 +0200
    Update STM32CUBE_L0 from v1.2 to v1.5
pull/2078/head
Laurent MEUNIER 2016-06-30 14:50:39 +02:00
parent 07958da38b
commit 0bc9d157a0
1 changed files with 3 additions and 5 deletions
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8
hal/targets/hal/TARGET_STM/TARGET_STM32L0/serial_api.c
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@ -53,15 +53,13 @@ static void init_uart(serial_t *obj)
{
UartHandle.Instance = (USART_TypeDef *)(obj->uart);
if (obj->uart == LPUART_1) {
UartHandle.Init.BaudRate = obj->baudrate >> 1;
} else {
UartHandle.Init.BaudRate = obj->baudrate;
}
UartHandle.Init.BaudRate = obj->baudrate;
UartHandle.Init.WordLength = obj->databits;
UartHandle.Init.StopBits = obj->stopbits;
UartHandle.Init.Parity = obj->parity;
UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
UartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
UartHandle.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_ENABLE;
if (obj->pin_rx == NC) {
UartHandle.Init.Mode = UART_MODE_TX;