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/*
* log.c
* This file not required for regular Klipper usage, but hw/sw developer
* can use USART TX pin instead SWO for debugging purposes
*
* Created on: Jan 17, 2019
* Author: eug
*/
#include "string.h"
#include "stm32f0xx_hal.h"
#include "log.h"
UART_HandleTypeDef huart2;
void LogInit(void)
{
huart2.Instance = USART2;
huart2.Init.BaudRate = 115200;
huart2.Init.WordLength = UART_WORDLENGTH_8B;
huart2.Init.StopBits = UART_STOPBITS_1;
huart2.Init.Parity = UART_PARITY_NONE;
huart2.Init.Mode = UART_MODE_TX;
huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart2.Init.OverSampling = UART_OVERSAMPLING_16;
huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
HAL_UART_Init(&huart2);
lprint("hello");
}
/**
* @brief String out
* @param msg: Null-terminated string
* @retval None
*/
void lprint(char *msg)
{
HAL_UART_Transmit(&huart2, (uint8_t *)msg, strlen(msg), 100);
}
/**
* @brief Binary data out
* @param msg: binary data
* @param len: data length
* @retval None
*/
void lnprint(char *msg, size_t len)
{
HAL_UART_Transmit(&huart2, (uint8_t *)msg, len, 100);
}
/**
* @brief UART MSP Initialization
* @param huart: UART handle pointer
* @retval None
*/
void HAL_UART_MspInit(UART_HandleTypeDef* huart)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(huart->Instance==USART2)
{
__HAL_RCC_USART2_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/**USART2 GPIO Configuration
PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
GPIO_InitStruct.Pin = GPIO_PIN_2|GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF1_USART2;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
}
}
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