Same functions ; different result

[ionutF]

Posted on December 17, 2013 at 16:15

I am using STM8L-Discovery board, STVD and Cosmic Compiler 32k; and ST peripheral libraries(stn8l15x.h file revision number is 1.4/2010) 

I have runned the next code:#include ''stm8l15x.h''#include ''delay.h''void main(void) {//initializare pini GPIO_DeInit(GPIOA); GPIO_DeInit(GPIOE);   // GPIO_Mode_In_FL_No_IT      = (uint8_t)0x00,   /*!< Input floating, no external interrupt */  //GPIO_Mode_In_PU_No_IT      = (uint8_t)0x40,   /*!< Input pull-up, no external interrupt */ // GPIO_Mode_In_FL_IT         = (uint8_t)0x20,   /*!< Input floating, external interrupt */  //GPIO_Mode_In_PU_IT         = (uint8_t)0x60,   /*!< Input pull-up, external interrupt */  //GPIO_Mode_Out_OD_Low_Fast  = (uint8_t)0xA0,   /*!< Output open-drain, low level, 10MHz */  //GPIO_Mode_Out_PP_Low_Fast  = (uint8_t)0xE0,   /*!< Output push-pull, low level, 10MHz */  //GPIO_Mode_Out_OD_Low_Slow  = (uint8_t)0x80,   /*!< Output open-drain, low level, 2MHz */  //GPIO_Mode_Out_PP_Low_Slow  = (uint8_t)0xC0,   /*!< Output push-pull, low level, 2MHz */  //GPIO_Mode_Out_OD_HiZ_Fast  = (uint8_t)0xB0,   /*!< Output open-drain, high-impedance level, 10MHz */  //GPIO_Mode_Out_PP_High_Fast = (uint8_t)0xF0,   /*!< Output push-pull, high level, 10MHz */  //GPIO_Mode_Out_OD_HiZ_Slow  = (uint8_t)0x90,   /*!< Output open-drain, high-impedance level, 2MHz */  //GPIO_Mode_Out_PP_High_Slow = (uint8_t)0xD0  //PA6- input - button; PE4- output-led GPIO_Init(GPIOA,GPIO_Pin_6,GPIO_Mode_In_PU_No_IT ); GPIO_Init(GPIOE,GPIO_Pin_4,GPIO_Mode_Out_OD_Low_Slow); GPIO_Init(GPIOE,GPIO_Pin_0,GPIO_Mode_Out_OD_Low_Slow); GPIO_Init(GPIOE,GPIO_Pin_1,GPIO_Mode_Out_OD_Low_Slow); GPIO_Init(GPIOE,GPIO_Pin_2,GPIO_Mode_Out_OD_Low_Slow); GPIO_Init(GPIOE,GPIO_Pin_3,GPIO_Mode_In_FL_No_IT  ); GPIO_Init(GPIOE,GPIO_Pin_5,GPIO_Mode_Out_OD_Low_Slow); GPIO_Init(GPIOE,GPIO_Pin_6,GPIO_Mode_Out_OD_Low_Slow); GPIO_Init(GPIOE,GPIO_Pin_7,GPIO_Mode_Out_OD_Low_Slow); GPIO_WriteBit(GPIOE,GPIO_Pin_All,RESET); //pin PE3 is resetting as well; but it does not through error while(1){ if(GPIO_ReadInputDataBit(GPIOA,GPIO_Pin_6)) { delay_ms(100); GPIO_ResetBits(GPIOE,4); delay_ms(100); GPIO_SetBits(GPIOE,(uint8_t)4); } else {   delay_ms(40); GPIO_WriteBit(GPIOE,GPIO_Pin_4,RESET); delay_ms(40); GPIO_WriteBit(GPIOE,GPIO_Pin_4,SET);   }} }I have runned the programm; the led stays off permanently; if I push the button( equivalent with putting to GND the PA6 pin); the led starts blinking.I have looked at those functions definitions from library; they are the sane; or if is a hidden stuf in there, it should do the same thing.void GPIO_WriteBit(GPIO_TypeDef* GPIOx, GPIO_Pin_TypeDef GPIO_Pin, BitAction GPIO_BitVal){  /* Check the parameters */  assert_param(IS_GPIO_PIN(GPIO_Pin));  assert_param(IS_STATE_VALUE(GPIO_BitVal));  if (GPIO_BitVal != RESET)  {    GPIOx->ODR |= GPIO_Pin;  }  else  {    GPIOx->ODR &= (uint8_t)(~GPIO_Pin);  }}/**  * @brief  Writes high level to the specified GPIO pins.  * @note   The port must be configured in output mode.  * @param  GPIOx : Select the GPIO peripheral number (x = A to I).  * @param  GPIO_Pin : Specifies the pins to be turned high.  * @retval None  */void GPIO_SetBits(GPIO_TypeDef* GPIOx, uint8_t GPIO_Pin){  GPIOx->ODR |= GPIO_Pin;}/**  * @brief  Writes low level to the specified GPIO pins.  * @param  GPIOx : Select the GPIO peripheral number (x = A to I).  * @param  GPIO_Pin : Specifies the pins to be turned low  * @retval None  * @par    Required preconditions:  *   The port must be configured in output mode.  */void GPIO_ResetBits(GPIO_TypeDef* GPIOx, uint8_t GPIO_Pin){  GPIOx->ODR &= (uint8_t)(~GPIO_Pin);}