/**
******************************************************************************
* @file py32f0xx_hal_led.c
* @author MCU Application Team
* @brief LED HAL module driver.
******************************************************************************
* @attention
*
* © Copyright (c) Puya Semiconductor Co.
* All rights reserved.
*
* © Copyright (c) 2016 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "py32f0xx_hal.h"
#ifdef HAL_LED_MODULE_ENABLED
static void LED_SetConfig(LED_HandleTypeDef *hled);
/**
* @brief Initializes the LED according to the specified parameters
* in the LED_InitTypeDef and initialize the associated handle.
* @param hled Pointer to a LED_HandleTypeDef structure that contains
* the configuration information for the specified LED.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_LED_Init(LED_HandleTypeDef *hled)
{
/* Check the LED handle allocation */
if (hled == NULL)
{
return HAL_ERROR;
}
/* Check the parameters */
assert_param(IS_LED_ALL_INSTANCE(hled->Instance));
assert_param(IS_LED_COM_DRIVE(hled->Init.ComDrive));
assert_param(IS_LED_PRISCALER(hled->Init.Prescaler));
assert_param(IS_LED_COM_NUM(hled->Init.ComNum));
assert_param(IS_LED_LIGHT_TIME(hled->Init.LightTime));
assert_param(IS_LED_DEAD_TIME(hled->Init.DeadTime));
if (hled->State == HAL_LED_STATE_RESET)
{
/* Allocate lock resource and initialize it */
__HAL_UNLOCK(hled);
#if (USE_HAL_LED_REGISTER_CALLBACKS == 1)
/* Reset Callback pointers */
if (hled->EwiCallback == NULL)
{
hled->EwiCallback = HAL_LED_LightCpltCallback;
}
if (hled->MspInitCallback == NULL)
{
hled->MspInitCallback = HAL_LED_MspInit;
}
/* Init the low level hardware */
hled->MspInitCallback(hwwdg);
#else
HAL_LED_MspInit(hled);
#endif
}
hled->State = HAL_LED_STATE_BUSY;
/* LED Register config */
LED_SetConfig(hled);
/* Enable the peripheral */
__HAL_LED_ENABLE(hled);
/* Initialize the LED state */
hled->State= HAL_LED_STATE_READY;
return HAL_OK;
}
/**
* @brief De-initializes the LED peripheral registers to their default reset values.
* @param hled Pointer to a LED_HandleTypeDef structure that contains
* the configuration information for the specified LED.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_LED_DeInit(LED_HandleTypeDef *hled)
{
if (hled == NULL)
{
return HAL_ERROR;
}
/* Check the parameters */
assert_param(IS_LED_ALL_INSTANCE(hled->Instance));
hled->Instance->CR = 0x00;
hled->Instance->PR = 0x00;
hled->Instance->DR0 = 0x00;
hled->Instance->DR1 = 0x00;
hled->Instance->DR2 = 0x00;
hled->Instance->DR3 = 0x00;
hled->Instance->IR = 0x01;
hled->State = HAL_LED_STATE_RESET;
/* Release Lock */
__HAL_UNLOCK(hled);
return HAL_OK;
}
/**
* @brief Sets the specified COM display value
* @param hled Pointer to a LED_HandleTypeDef structure that contains
* the configuration information for the specified LED..
* comCh Specify COM channels.
* @arg @ref LED_COM0
* @arg @ref LED_COM1
* @arg @ref LED_COM2
* @arg @ref LED_COM3
* @arg @ref LED_COM_ALL
* data Specify display values
* @arg @ref LED_DISP_0 display value 0
* @arg @ref LED_DISP_1 display value 1
* @arg @ref LED_DISP_2 display value 2
* @arg @ref LED_DISP_3 display value 3
* @arg @ref LED_DISP_4 display value 4
* @arg @ref LED_DISP_5 display value 5
* @arg @ref LED_DISP_6 display value 6
* @arg @ref LED_DISP_7 display value 7
* @arg @ref LED_DISP_8 display value 8
* @arg @ref LED_DISP_9 display value 9
* @arg @ref LED_DISP_A display character A
* @arg @ref LED_DISP_B display character B
* @arg @ref LED_DISP_C display character C
* @arg @ref LED_DISP_D display character D
* @arg @ref LED_DISP_E display character E
* @arg @ref LED_DISP_F display character F
* @arg @ref LED_DISP_H display character H
* @arg @ref LED_DISP_P display character P
* @arg @ref LED_DISP_U display character U
* @arg @ref LED_DISP_DOT display .
* @arg @ref LED_DISP_FULL display 8.
* @arg @ref LED_DISP_NONE display nothing
* @retval State
*/
HAL_StatusTypeDef HAL_LED_SetComDisplay(LED_HandleTypeDef *hled, uint8_t comCh, uint8_t data)
{
uint32_t position=0x00U;
uint32_t chcurrent = 0x00U;
uint32_t *pTmp;
if (hled->State == HAL_LED_STATE_READY)
{
/* Process Locked */
__HAL_LOCK(hled);
hled->State = HAL_LED_STATE_BUSY;
while ((comCh >> position) != 0)
{
/* Get the COM channel position */
chcurrent = comCh & (1U << position);
if(chcurrent)
{
pTmp = ((uint32_t *)&hled->Instance->DR0) + position;
WRITE_REG(*pTmp, data);
}
position++;
}
/* Process Unlocked */
__HAL_UNLOCK(hled);
hled->State = HAL_LED_STATE_READY;
return HAL_OK;
}
else
{
return HAL_ERROR;
}
}
/**
* @brief LED Register config
* @param hled Pointer to a LED_HandleTypeDef structure that contains
* the configuration information for the specified LED..
* @retval State
*/
static void LED_SetConfig(LED_HandleTypeDef *hled)
{
uint32_t tmpreg;
tmpreg=hled->Init.ComDrive | (hled->Init.ComNum << LED_CR_LED_COM_SEL_Pos);
MODIFY_REG(hled->Instance->CR,
(uint32_t)(LED_CR_LED_COM_SEL | LED_CR_EHS),
tmpreg);
WRITE_REG(hled->Instance->PR, hled->Init.Prescaler);
WRITE_REG(hled->Instance->TR, (hled->Init.LightTime | (hled->Init.DeadTime<Instance->IR & LED_IR_FLAG) != 0U) && ((hled->Instance->CR & LED_CR_IE) != 0U))
{
__HAL_LED_CLEAR_FLAG(hled, LED_IR_FLAG);
HAL_LED_LightCpltCallback(hled);
}
}
__weak void HAL_LED_MspInit(LED_HandleTypeDef *hled)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hled);
/* NOTE : This function should not be modified, when the callback is needed,
the HAL_LED_MspInit could be implemented in the user file
*/
}
__weak void HAL_LED_LightCpltCallback(LED_HandleTypeDef *hled)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(hled);
/* NOTE : This function should not be modified, when the callback is needed,
the HAL_LED_LightCpltCallback could be implemented in the user file
*/
}
#endif /* HAL_LED_MODULE_ENABLED */