diff options
Diffstat (limited to 'uc_str912/prj_template91x/str91x_lib/src/91x_gpio.c')
| -rw-r--r-- | uc_str912/prj_template91x/str91x_lib/src/91x_gpio.c | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/uc_str912/prj_template91x/str91x_lib/src/91x_gpio.c b/uc_str912/prj_template91x/str91x_lib/src/91x_gpio.c deleted file mode 100644 index f2d0941..0000000 --- a/uc_str912/prj_template91x/str91x_lib/src/91x_gpio.c +++ /dev/null @@ -1,407 +0,0 @@ -/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
-* File Name : 91x_gpio.c
-* Author : MCD Application Team
-* Date First Issued : 05/18/2006 : Version 1.0
-* Description : This file provides all the GPIO software functions.
-********************************************************************************
-* History:
-* 05/24/2006 : Version 1.1
-* 05/18/2006 : Version 1.0
-********************************************************************************
-* THE PRESENT SOFTWARE 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 SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
-* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
-*******************************************************************************/
-
-/* Includes ------------------------------------------------------------------*/
-#include "91x_gpio.h"
-#include "91x_scu.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
- static u8 GPIO_GetGPIONumber(GPIO_TypeDef* GPIOx);
-
-/* Private functions ---------------------------------------------------------*/
-
-/*******************************************************************************
-* Function Name : GPIO_DeInit
-* Description : Deinitializes the GPIOx peripheral registers to their default
-* reset values.
-* Input : GPIOx: where x can be (0..9) to select the GPIO peripheral.
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_DeInit(GPIO_TypeDef* GPIOx)
-{
-
- /* Reset the GPIO registers values */
- if(GPIOx == GPIO0)
- {
- SCU_APBPeriphReset(__GPIO0,ENABLE);
- SCU_APBPeriphReset(__GPIO0,DISABLE);
- SCU->GPIOTYPE[0x00] = 0x0000 ;
- SCU->GPIOOUT[0x00] = 0x0000;
- SCU->GPIOIN[0x00] = 0x0000;
- }
-
- if(GPIOx == GPIO1)
- {
- SCU_APBPeriphReset(__GPIO1,ENABLE);
- SCU_APBPeriphReset(__GPIO1,DISABLE);
- SCU->GPIOTYPE[0x01] = 0x0000 ;
- SCU->GPIOOUT[0x01] = 0x0000;
- SCU->GPIOIN[0x01] = 0x0000;
- }
-
- if(GPIOx == GPIO2)
- {
- SCU_APBPeriphReset(__GPIO2,ENABLE);
- SCU_APBPeriphReset(__GPIO2,DISABLE);
- SCU->GPIOTYPE[0x02] = 0x0000 ;
- SCU->GPIOOUT[0x02] = 0x0000;
- SCU->GPIOIN[0x02] = 0x0000;
- }
-
- if(GPIOx == GPIO3)
- {
- SCU_APBPeriphReset(__GPIO3,ENABLE);
- SCU_APBPeriphReset(__GPIO3,DISABLE);
- SCU->GPIOTYPE[0x03] = 0x0000 ;
- SCU->GPIOOUT[0x03] = 0x0000;
- SCU->GPIOIN[0x03] = 0x0000;
- }
-
- if(GPIOx == GPIO4)
- {
- SCU_APBPeriphReset(__GPIO4,ENABLE);
- SCU_APBPeriphReset(__GPIO4,DISABLE);
- SCU->GPIOTYPE[0x04] = 0x0000 ;
- SCU->GPIOOUT[0x04] = 0x0000;
- SCU->GPIOIN[0x04] = 0x0000;
- SCU->GPIOANA = 0x00;
- }
-
- if(GPIOx == GPIO5)
- {
- SCU_APBPeriphReset(__GPIO5,ENABLE);
- SCU_APBPeriphReset(__GPIO5,DISABLE);
- SCU->GPIOTYPE[0x05] = 0x0000 ;
- SCU->GPIOOUT[0x05] = 0x0000;
- SCU->GPIOIN[0x05] = 0x0000;
- }
-
- if(GPIOx == GPIO6)
- {
- SCU_APBPeriphReset(__GPIO6,ENABLE);
- SCU_APBPeriphReset(__GPIO6,DISABLE);
- SCU->GPIOTYPE[0x06] = 0x0000 ;
- SCU->GPIOOUT[0x06] = 0x0000;
- SCU->GPIOIN[0x06] = 0x0000;
- }
-
- if(GPIOx == GPIO7)
- {
- SCU_APBPeriphReset(__GPIO7,ENABLE);
- SCU_APBPeriphReset(__GPIO7,DISABLE);
- SCU->GPIOOUT[0x07] = 0xAAAA;
- SCU->GPIOOUT[0x07] = 0x0000;
- SCU->GPIOIN[0x07] = 0x0000;
- }
-
- if(GPIOx == GPIO8)
- {
- SCU_APBPeriphReset(__GPIO8,ENABLE);
- SCU_APBPeriphReset(__GPIO8,DISABLE);
- SCU->GPIOEMI = 0x00;
- }
-
- if(GPIOx == GPIO9)
- {
- SCU_APBPeriphReset(__GPIO9,ENABLE);
- SCU_APBPeriphReset(__GPIO9,DISABLE);
- SCU->GPIOEMI = 0x00;
- }
-}
-/*******************************************************************************
-* Function Name : GPIO_Init
-* Description : Initializes the GPIOx peripheral according to the specified
-* parameters in the GPIO_InitStruct .
-* Input :- GPIOx: where x can be (0..9) to select the GPIO peripheral.
-* - GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure that
-* contains the configuration information for the specified GPIO
-* peripheral.
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_Init(GPIO_TypeDef* GPIOx, GPIO_InitTypeDef* GPIO_InitStruct)
-{
- /* Select pin direction */
- u8 PinNumber = 0;
- u8 Counter = 0;
- u8 GPIO_Number = 0;
-
- GPIO_Number = GPIO_GetGPIONumber(GPIOx);
-
-
- if(GPIO_InitStruct->GPIO_Direction == GPIO_PinOutput)
- {
- GPIOx->DDR |= GPIO_InitStruct->GPIO_Pin;
- }
- else
- {
- GPIOx->DDR &= ~GPIO_InitStruct->GPIO_Pin;
- }
-
- for (Counter = 0; Counter < 8;Counter++)
- {
- /*Search pin number*/
- PinNumber = (GPIO_InitStruct->GPIO_Pin & (1 <<Counter));
- if((PinNumber >> Counter) == 1)
- {
- /*Output ALternate 0*/
- SCU->GPIOOUT[GPIO_Number] &= ~(0x3 <<(Counter *2));
- if(GPIO_InitStruct->GPIO_Alternate == GPIO_OutputAlt1)
- {
- /*Output ALternate 1*/
- SCU->GPIOOUT[GPIO_Number] |= 1 << (Counter *2);
- }
- if(GPIO_InitStruct->GPIO_Alternate == GPIO_OutputAlt2)
- {
- /*Output ALternate 2*/
- SCU->GPIOOUT[GPIO_Number] |= 0x2 << (Counter *2);
- }
- if(GPIO_InitStruct->GPIO_Alternate == GPIO_OutputAlt3)
- {
- /*Output ALternate 3*/
- SCU->GPIOOUT[GPIO_Number] |= 0x3 << (Counter *2);
- }
-
- /*Type configuration: PushPull or Open Collector*/
- SCU->GPIOTYPE[GPIO_Number] &= ~(0x1 << Counter) ;
- if(GPIO_InitStruct->GPIO_Type == GPIO_Type_OpenCollector)
- {
- /*Open Drain configuration*/
- SCU->GPIOTYPE[GPIO_Number] |= 0x1 << Counter;
- }
-
- /*IP Connected disable*/
- SCU->GPIOIN[GPIO_Number] &= ~(0x1 << Counter) ;
- if(GPIO_InitStruct->GPIO_IPConnected == GPIO_IPConnected_Enable)
- {
- /*IP Connected enable*/
- SCU->GPIOIN[GPIO_Number] |= 0x1 << Counter;
- }
- }
- }
-}
-
-/*******************************************************************************
-* Function Name : GPIO_StructInit
-* Description : Initialize the GPIO Init Structure parameters
-* Input : GPIO_InitStruct : pointer to a GPIO_InitTypeDef structure
-* which will be initialized.
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_StructInit(GPIO_InitTypeDef* GPIO_InitStruct)
-{
- /* Reset GPIO init structure parameters values */
- GPIO_InitStruct->GPIO_Pin = GPIO_Pin_All;
- GPIO_InitStruct->GPIO_Direction = GPIO_PinInput;
- GPIO_InitStruct->GPIO_Type = GPIO_Type_PushPull;
- GPIO_InitStruct->GPIO_IPConnected = GPIO_IPConnected_Disable;
- GPIO_InitStruct->GPIO_Alternate = GPIO_InputAlt1;
-}
-
-/*******************************************************************************
-* Function Name : GPIO_ReadBit
-* Description : Reads the specified port pin
-* Input : - GPIOx: where x can be (0..9) to select the GPIO peripheral.
-* : - GPIO_Pin: the Pin number. This parameter can be GPIO_Pin_x
-* where x can be (0..7).
-* Output : None
-* Return : The port pin value
-*******************************************************************************/
-u8 GPIO_ReadBit(GPIO_TypeDef* GPIOx, u8 GPIO_Pin)
-{
- if ((((GPIOx->DR[GPIO_Pin<<2])) & GPIO_Pin) != Bit_RESET )
- {
- return Bit_SET;
- }
- else
- {
- return Bit_RESET;
- }
-}
-
-/*******************************************************************************
-* Function Name : GPIO_Read
-* Description : Reads the specified GPIO data port
-* Input : - GPIOx: where x can be (0..9) to select the GPIO peripheral.
-* Output : None
-* Return : GPIO data port word value.
-*******************************************************************************/
-u8 GPIO_Read(GPIO_TypeDef* GPIOx)
-{
- return (GPIOx->DR[0x3FC]);
-}
-
-/*******************************************************************************
-* Function Name : GPIO_WriteBit
-* Description : Sets or clears the selected data port bit.
-* Input : - GPIOx: where x can be (0..9) to select the GPIO peripheral.
-* - GPIO_Pin: the Pin number. This parameter can be GPIO_Pin_x
-* where x can be (0..7).
-* - BitVal: this parameter specifies the value to be written
-* to the selected bit.
-* BitVal must be one of the BitAction enum values:
-* - Bit_RESET: to clear the port pin
-* - Bit_SET: to set the port pin
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_WriteBit(GPIO_TypeDef* GPIOx, u8 GPIO_Pin, BitAction BitVal)
-{
- if(BitVal == Bit_SET)
- {
- GPIOx->DR[GPIO_Pin <<2] = GPIO_Pin;
- }
- else
- {
- GPIOx->DR[GPIO_Pin <<2] = 0x00;
- }
-}
-
-/*******************************************************************************
-* Function Name : GPIO_Write
-* Description : Writes the passed value in the selected data GPIOx port
-* register.
-* Input :- GPIOx: where x can be (0..9) to select the GPIO peripheral.
-* - PortVal: the value to be written to the data port register.
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_Write(GPIO_TypeDef* GPIOx, u8 PortVal)
-{
- GPIOx->DR[0x3FC] = PortVal;
-}
-
-/*******************************************************************************
-* Function Name : GPIO_EMIConfig
-* Description : Enables or disables GPIO 8 and 9 in EMI mode.
-* Input : - NewState: new state of the EMI.
-* This parameter can be: ENABLE or DISABLE.
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_EMIConfig(FunctionalState NewState)
-{
- if(NewState == ENABLE)
- {
- SCU->GPIOEMI = 0x01;
- }
- else
- {
- SCU->GPIOEMI = 0x00;
- }
-}
-
-/*******************************************************************************
-* Function Name : GPIO_ANAPinConfig
-* Description : Enables or disables pins from GPIO 4 in Analogue mode.
-* Input :- GPIO_ANAChannel: selects the ADC channel pin.
-* This parameter can be one of the following values:
-* GPIO_ANAChannel0
-* GPIO_ANAChannel1
-* GPIO_ANAChannel2
-* GPIO_ANAChannel3
-* GPIO_ANAChannel4
-* GPIO_ANAChannel5
-* GPIO_ANAChannel6
-* GPIO_ANAChannel7
-* GPIO_ANAChannelALL
-* - NewState: new state of the port pin.
-* This parameter can be: ENABLE or DISABLE.
-* Output : None
-* Return : None
-*******************************************************************************/
-void GPIO_ANAPinConfig(u8 GPIO_ANAChannel, FunctionalState NewState)
-{
-
- if(NewState == ENABLE)
- {
- if(GPIO_ANAChannel == GPIO_ANAChannelALL)
- {
- SCU->GPIOOUT[4] = 0x0000;
- SCU->GPIOIN[4] = 0x00;
- }
- else
- {
- SCU->GPIOOUT[4] &= ~(0x3<<(GPIO_ANAChannel-1));
- SCU->GPIOIN[4] &= ~GPIO_ANAChannel;
- }
- SCU->GPIOANA |= GPIO_ANAChannel;
-
- }
- else
- {
- SCU->GPIOANA &= ~GPIO_ANAChannel;
- }
-}
-
-/*******************************************************************************
-* Function Name : GPIO_GetGPIONumber
-* Description : searche the GPIO number.
-* Input : GPIOx: where x can be (0..9) to select the GPIO peripheral.
-* Output : None
-* Return : GPIO number
-*******************************************************************************/
-u8 GPIO_GetGPIONumber(GPIO_TypeDef* GPIOx)
-{
-
- if(GPIOx == GPIO1)
- {
- return 1;
- }
- if(GPIOx == GPIO2)
- {
- return 2;
- }
- if(GPIOx == GPIO3)
- {
- return 3;
- }
- if(GPIOx == GPIO4)
- {
- return 4;
- }
- if(GPIOx == GPIO5)
- {
- return 5;
- }
- if(GPIOx == GPIO6)
- {
- return 6;
- }
- if(GPIOx == GPIO7)
- {
- return 7;
- }
- if(GPIOx == GPIO8)
- {
- return 8;
- }
- if(GPIOx == GPIO9)
- {
- return 9;
- }
- return 0;
-}
-/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/
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