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How does the function work? void Delay(void action(void), int NumberofTIMCycles);
and how the NumberodTIMCycles always hold the value 10. while there is no declare any
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2021-03-15 12:49 PM
/**
******************************************************************************
* @file main.c
* @brief Adjustable LED blinking speed using STM8S-DISCOVERY touch sensing key
* Application example.
* @author STMicroelectronics - MCD Application Team
* @version V2.0.0
* @date 15-MAR-2011
******************************************************************************
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>© COPYRIGHT 2008 STMicroelectronics</center></h2>
* @image html logo.bmp
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm8s.h"
#include "stm8_tsl_api.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define MilliSec 1
#define Sec 10
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
void CLK_Configuration(void);
void GPIO_Configuration(void);
void ExtraCode_Init(void);
void ExtraCode_StateMachine(void);
void Delay(void action(void), int NumberofTIMCycles);
void Toggle(void);
/* Private functions ---------------------------------------------------------*/
/* Global variables ----------------------------------------------------------*/
u8 BlinkSpeed = 6;
int NumberOfStart;
int CheckFlag = 1;
/* Public functions ----------------------------------------------------------*/
/**
******************************************************************************
* @brief Main function.
* @par Parameters:
* None
* @retval void None
* @par Required preconditions:
* None
******************************************************************************
*/
void main(void)
{
/* Configures clocks */
CLK_Configuration();
/* Configures GPIOs */
GPIO_Configuration();
/* Initialize Touch Sensing library */
TSL_Init();
/* Initialize all the Touch Sensing keys */
ExtraCode_Init();
/* Start the 100ms timebase Timer */
TSL_Tick_Flags.b.User1_Start_100ms = 1;
for (;;)
{
/* User code */
ExtraCode_StateMachine();
/* Main function of the Touch Sensing library */
TSL_Action();
}
}
/**
******************************************************************************
* @brief Initialize all the TS keys
* @par Parameters:
* None
* @retval void None
* @par Required preconditions:
* None
******************************************************************************
*/
void ExtraCode_Init(void)
{
u8 i;
/* All keys are implemented and enabled */
for (i = 0; i < NUMBER_OF_SINGLE_CHANNEL_KEYS; i++)
{
sSCKeyInfo[i].Setting.b.IMPLEMENTED = 1;
sSCKeyInfo[i].Setting.b.ENABLED = 1;
sSCKeyInfo[i].DxSGroup = 0x01; /* Put 0x00 to disable the DES on these pins */
}
#if NUMBER_OF_MULTI_CHANNEL_KEYS > 0
for (i = 0; i < NUMBER_OF_MULTI_CHANNEL_KEYS; i++)
{
sMCKeyInfo[i].Setting.b.IMPLEMENTED = 1;
sMCKeyInfo[i].Setting.b.ENABLED = 1;
sMCKeyInfo[i].DxSGroup = 0x01; /* Put 0x00 to disable the DES on these pins */
}
#endif
enableInterrupts();
}
/**
******************************************************************************
* @brief Adjustable led blinking speed using touch sensing keys
* KEY1: LED1 is blinking
* KEY1: LED1 is blinking faster
* KEY1: LED1 don't blink anymore
* @par Parameters:
* None
* @retval void None
* @par Required preconditions:
* None
******************************************************************************
*/
void ExtraCode_StateMachine(void)
{
if ((TSL_GlobalSetting.b.CHANGED) && (TSLState == TSL_IDLE_STATE))
{
TSL_GlobalSetting.b.CHANGED = 0;
if (sSCKeyInfo[0].Setting.b.DETECTED) /* KEY 1 touched */
{
BlinkSpeed++;
BlinkSpeed = BlinkSpeed % 3;
}
}
switch (BlinkSpeed)
{
case 0 :
GPIO_WriteHigh(GPIOD, GPIO_PIN_0);
break;
case 1 :
if (TSL_Tick_Flags.b.User1_Flag_100ms == 1)
{
Delay(&Toggle, 2*MilliSec);
}
break;
case 2 :
if (TSL_Tick_Flags.b.User1_Flag_100ms == 1)
{
Delay(&Toggle, 1*MilliSec);
}
break;
default :
if (TSL_Tick_Flags.b.User1_Flag_100ms == 1)
{
Delay(&Toggle, 1*Sec);
}
}
}
/**
******************************************************************************
* @brief Configures clocks
* @par Parameters:
* None
* @retval void None
* @par Required preconditions:
* None
******************************************************************************
*/
void CLK_Configuration(void)
{
/* Fmaster = 16MHz */
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);
}
/**
******************************************************************************
* @brief Configures GPIOs
* @par Parameters:
* None
* @retval void None
* @par Required preconditions:
* None
******************************************************************************
*/
void GPIO_Configuration(void)
{
/* GPIOD reset */
GPIO_DeInit(GPIOD);
/* Configure PD0 (LED1) as output push-pull low (led switched on) */
GPIO_Init(GPIOD, GPIO_PIN_0, GPIO_MODE_OUT_PP_LOW_FAST);
}
**
*/
void Delay(void action(void), int NumberofTIMCycles)
{
if ((CheckFlag) != 0)
NumberOfStart = NumberofTIMCycles;
if (NumberOfStart != 0)
{
TSL_Tick_Flags.b.User1_Start_100ms = 1;
CheckFlag = 0;
}
if (TSL_Tick_Flags.b.User1_Flag_100ms)
{
TSL_Tick_Flags.b.User1_Flag_100ms = 0;
NumberOfStart--;
}
if (NumberOfStart == 0)
{
action();
CheckFlag = 1;
}
}
**
*/
void Toggle(void)
{
GPIO_WriteReverse(GPIOD, GPIO_PIN_0);
}
/****************** (c) 2008 STMicroelectronics ******************************/
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