377 lines
17 KiB
C
377 lines
17 KiB
C
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/**************************************************************************//**
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* @file GPIO.h
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* @version V2.1
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* $Revision: 5 $
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* $Date: 14/01/28 10:49a $
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* @brief M051 Series General Purpose I/O Driver Header File
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*
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* @note
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* Copyright (C) 2011 Nuvoton Technology Corp. All rights reserved.
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*
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******************************************************************************/
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#ifndef __GPIO_H__
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#define __GPIO_H__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/** @addtogroup M051_Device_Driver M051 Device Driver
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@{
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*/
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/** @addtogroup M051_GPIO_Driver GPIO Driver
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@{
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*/
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/** @addtogroup M051_GPIO_EXPORTED_CONSTANTS GPIO Exported Constants
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@{
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*/
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#define GPIO_PIN_MAX 8 /*!< Specify Maximum Pins of Each GPIO Port */
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/*---------------------------------------------------------------------------------------------------------*/
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/* PMD Constant Definitions */
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/*---------------------------------------------------------------------------------------------------------*/
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#define GPIO_PMD_INPUT 0x0UL /*!< Input Mode */
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#define GPIO_PMD_OUTPUT 0x1UL /*!< Output Mode */
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#define GPIO_PMD_OPEN_DRAIN 0x2UL /*!< Open-Drain Mode */
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#define GPIO_PMD_QUASI 0x3UL /*!< Quasi-bidirectional Mode */
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/*---------------------------------------------------------------------------------------------------------*/
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/* GPIO Interrupt Type Constant Definitions */
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/*---------------------------------------------------------------------------------------------------------*/
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#define GPIO_INT_RISING 0x00010000UL /*!< Interrupt enable by Input Rising Edge */
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#define GPIO_INT_FALLING 0x00000001UL /*!< Interrupt enable by Input Falling Edge */
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#define GPIO_INT_BOTH_EDGE 0x00010001UL /*!< Interrupt enable by both Rising Edge and Falling Edge */
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#define GPIO_INT_HIGH 0x01010000UL /*!< Interrupt enable by Level-High */
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#define GPIO_INT_LOW 0x01000001UL /*!< Interrupt enable by Level-Level */
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/*---------------------------------------------------------------------------------------------------------*/
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/* IMD Constant Definitions */
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/*---------------------------------------------------------------------------------------------------------*/
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#define GPIO_IMD_EDGE 0UL /*!< IMD Setting for Edge Trigger Mode */
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#define GPIO_IMD_LEVEL 1UL /*!< IMD Setting for Edge Level Mode */
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/*---------------------------------------------------------------------------------------------------------*/
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/* DBNCECON Constant Definitions */
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/*---------------------------------------------------------------------------------------------------------*/
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#define GPIO_INT_CLK_ON 0x00000020UL /*!< DBNCECON setting for all IO pins edge detection circuit is always active after reset */
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#define GPIO_INT_CLK_OFF 0x00000000UL /*!< DBNCECON setting for edge detection circuit is active only if IO pin corresponding GPIOx_IEN bit is set to 1 */
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#define GPIO_DBCLKSRC_LIRC 0x00000010UL /*!< DBNCECON setting for de-bounce counter clock source is the internal 10 kHz */
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#define GPIO_DBCLKSRC_HCLK 0x00000000UL /*!< DBNCECON setting for de-bounce counter clock source is the HCLK */
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#define GPIO_DBCLKSEL_1 0x00000000UL /*!< DBNCECON setting for sampling cycle = 1 clocks */
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#define GPIO_DBCLKSEL_2 0x00000001UL /*!< DBNCECON setting for sampling cycle = 2 clocks */
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#define GPIO_DBCLKSEL_4 0x00000002UL /*!< DBNCECON setting for sampling cycle = 4 clocks */
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#define GPIO_DBCLKSEL_8 0x00000003UL /*!< DBNCECON setting for sampling cycle = 8 clocks */
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#define GPIO_DBCLKSEL_16 0x00000004UL /*!< DBNCECON setting for sampling cycle = 16 clocks */
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#define GPIO_DBCLKSEL_32 0x00000005UL /*!< DBNCECON setting for sampling cycle = 32 clocks */
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#define GPIO_DBCLKSEL_64 0x00000006UL /*!< DBNCECON setting for sampling cycle = 64 clocks */
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#define GPIO_DBCLKSEL_128 0x00000007UL /*!< DBNCECON setting for sampling cycle = 128 clocks */
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#define GPIO_DBCLKSEL_256 0x00000008UL /*!< DBNCECON setting for sampling cycle = 256 clocks */
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#define GPIO_DBCLKSEL_512 0x00000009UL /*!< DBNCECON setting for sampling cycle = 512 clocks */
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#define GPIO_DBCLKSEL_1024 0x0000000AUL /*!< DBNCECON setting for sampling cycle = 1024 clocks */
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#define GPIO_DBCLKSEL_2048 0x0000000BUL /*!< DBNCECON setting for sampling cycle = 2048 clocks */
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#define GPIO_DBCLKSEL_4096 0x0000000CUL /*!< DBNCECON setting for sampling cycle = 4096 clocks */
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#define GPIO_DBCLKSEL_8192 0x0000000DUL /*!< DBNCECON setting for sampling cycle = 8192 clocks */
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#define GPIO_DBCLKSEL_16384 0x0000000EUL /*!< DBNCECON setting for sampling cycle = 16384 clocks */
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#define GPIO_DBCLKSEL_32768 0x0000000FUL /*!< DBNCECON setting for sampling cycle = 32768 clocks */
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/** Define GPIO Pin Data Input/Output. It could be used to control each I/O pin by pin address mapping.
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* Example 1:
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*
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* P00 = 1;
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*
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* It is used to set P0.0 to high;
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*
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* Example 2:
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*
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* if (P00)
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* P00 = 0;
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*
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* If P0.0 pin status is high, then set P0.0 data output to low.
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*/
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#define GPIO_PIN_ADDR(port, pin) (*((volatile uint32_t *)((GPIO_PIN_DATA_BASE+(0x20*(port))) + ((pin)<<2))))
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#define P00 GPIO_PIN_ADDR(0, 0) /*!< Specify P00 Pin Data Input/Output */
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#define P01 GPIO_PIN_ADDR(0, 1) /*!< Specify P01 Pin Data Input/Output */
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#define P02 GPIO_PIN_ADDR(0, 2) /*!< Specify P02 Pin Data Input/Output */
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#define P03 GPIO_PIN_ADDR(0, 3) /*!< Specify P03 Pin Data Input/Output */
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#define P04 GPIO_PIN_ADDR(0, 4) /*!< Specify P04 Pin Data Input/Output */
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#define P05 GPIO_PIN_ADDR(0, 5) /*!< Specify P05 Pin Data Input/Output */
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#define P06 GPIO_PIN_ADDR(0, 6) /*!< Specify P06 Pin Data Input/Output */
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#define P07 GPIO_PIN_ADDR(0, 7) /*!< Specify P07 Pin Data Input/Output */
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#define P10 GPIO_PIN_ADDR(1, 0) /*!< Specify P10 Pin Data Input/Output */
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#define P11 GPIO_PIN_ADDR(1, 1) /*!< Specify P11 Pin Data Input/Output */
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#define P12 GPIO_PIN_ADDR(1, 2) /*!< Specify P12 Pin Data Input/Output */
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#define P13 GPIO_PIN_ADDR(1, 3) /*!< Specify P13 Pin Data Input/Output */
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#define P14 GPIO_PIN_ADDR(1, 4) /*!< Specify P14 Pin Data Input/Output */
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#define P15 GPIO_PIN_ADDR(1, 5) /*!< Specify P15 Pin Data Input/Output */
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#define P16 GPIO_PIN_ADDR(1, 6) /*!< Specify P16 Pin Data Input/Output */
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#define P17 GPIO_PIN_ADDR(1, 7) /*!< Specify P17 Pin Data Input/Output */
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#define P20 GPIO_PIN_ADDR(2, 0) /*!< Specify P20 Pin Data Input/Output */
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#define P21 GPIO_PIN_ADDR(2, 1) /*!< Specify P21 Pin Data Input/Output */
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#define P22 GPIO_PIN_ADDR(2, 2) /*!< Specify P22 Pin Data Input/Output */
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#define P23 GPIO_PIN_ADDR(2, 3) /*!< Specify P23 Pin Data Input/Output */
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#define P24 GPIO_PIN_ADDR(2, 4) /*!< Specify P24 Pin Data Input/Output */
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#define P25 GPIO_PIN_ADDR(2, 5) /*!< Specify P25 Pin Data Input/Output */
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#define P26 GPIO_PIN_ADDR(2, 6) /*!< Specify P26 Pin Data Input/Output */
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#define P27 GPIO_PIN_ADDR(2, 7) /*!< Specify P27 Pin Data Input/Output */
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#define P30 GPIO_PIN_ADDR(3, 0) /*!< Specify P30 Pin Data Input/Output */
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#define P31 GPIO_PIN_ADDR(3, 1) /*!< Specify P31 Pin Data Input/Output */
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#define P32 GPIO_PIN_ADDR(3, 2) /*!< Specify P32 Pin Data Input/Output */
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#define P33 GPIO_PIN_ADDR(3, 3) /*!< Specify P33 Pin Data Input/Output */
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#define P34 GPIO_PIN_ADDR(3, 4) /*!< Specify P34 Pin Data Input/Output */
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#define P35 GPIO_PIN_ADDR(3, 5) /*!< Specify P35 Pin Data Input/Output */
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#define P36 GPIO_PIN_ADDR(3, 6) /*!< Specify P36 Pin Data Input/Output */
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#define P37 GPIO_PIN_ADDR(3, 7) /*!< Specify P37 Pin Data Input/Output */
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#define P40 GPIO_PIN_ADDR(4, 0) /*!< Specify P40 Pin Data Input/Output */
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#define P41 GPIO_PIN_ADDR(4, 1) /*!< Specify P41 Pin Data Input/Output */
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#define P42 GPIO_PIN_ADDR(4, 2) /*!< Specify P42 Pin Data Input/Output */
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#define P43 GPIO_PIN_ADDR(4, 3) /*!< Specify P43 Pin Data Input/Output */
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#define P44 GPIO_PIN_ADDR(4, 4) /*!< Specify P44 Pin Data Input/Output */
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#define P45 GPIO_PIN_ADDR(4, 5) /*!< Specify P45 Pin Data Input/Output */
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#define P46 GPIO_PIN_ADDR(4, 6) /*!< Specify P46 Pin Data Input/Output */
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#define P47 GPIO_PIN_ADDR(4, 7) /*!< Specify P47 Pin Data Input/Output */
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/*@}*/ /* end of group M051_GPIO_EXPORTED_CONSTANTS */
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/** @addtogroup M051_GPIO_EXPORTED_FUNCTIONS GPIO Exported Functions
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@{
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*/
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/**
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* @brief Clear GPIO Pin Interrupt Flag
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*
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* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
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* @param[in] u32PinMask The single or multiple pins of specified GPIO port.
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* It could be BIT0 ~ BIT7.
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*
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* @return None
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*
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* @details Clear the interrupt status of specified GPIO pin.
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*/
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#define GPIO_CLR_INT_FLAG(port, u32PinMask) ((port)->ISRC = u32PinMask)
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/**
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* @brief Disable Pin De-bounce Function
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*
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* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
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* @param[in] u32PinMask The single or multiple pins of specified GPIO port.
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* It could be BIT0 ~ BIT7.
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*
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* @return None
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*
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* @details Disable the interrupt de-bounce function of specified GPIO pin.
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*/
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#define GPIO_DISABLE_DEBOUNCE(port, u32PinMask) ((port)->DBEN &= ~u32PinMask)
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/**
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* @brief Enable Pin De-bounce Function
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*
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* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
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* @param[in] u32PinMask The single or multiple pins of specified GPIO port.
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* It could be BIT0 ~ BIT7.
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* @return None
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*
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* @details Enable the interrupt de-bounce function of specified GPIO pin.
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*/
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#define GPIO_ENABLE_DEBOUNCE(port, u32PinMask) ((port)->DBEN |= u32PinMask)
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/**
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* @brief Disable I/O Digital Input Path
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*
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* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
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* @param[in] u32PinMask The single or multiple pins of specified GPIO port.
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* It could be BIT0 ~ BIT7.
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*
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* @return None
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*
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* @details Disable I/O digital input path of specified GPIO pin.
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*/
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#define GPIO_DISABLE_DIGITAL_PATH(port, u32PinMask) ((port)->OFFD |= u32PinMask)
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/**
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* @brief Enable I/O Digital Input Path
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*
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* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
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* @param[in] u32PinMask The single or multiple pins of specified GPIO port.
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* It could be BIT0 ~ BIT7.
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*
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* @return None
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*
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* @details Enable I/O digital input path of specified GPIO pin.
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*/
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#define GPIO_ENABLE_DIGITAL_PATH(port, u32PinMask) ((port)->OFFD &= ~u32PinMask)
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/**
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* @brief Disable I/O DOUT mask
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*
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* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
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* @param[in] u32PinMask The single or multiple pins of specified GPIO port.
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* It could be BIT0 ~ BIT7.
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*
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* @return None
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*
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* @details Disable I/O DOUT mask of specified GPIO pin.
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*/
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#define GPIO_DISABLE_DOUT_MASK(port, u32PinMask) ((port)->DMASK |= u32PinMask)
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/**
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* @brief Enable I/O DOUT mask
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*
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* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
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* @param[in] u32PinMask The single or multiple pins of specified GPIO port.
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* It could be BIT0 ~ BIT7.
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*
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* @return None
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*
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* @details Enable I/O DOUT mask of specified GPIO pin.
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*/
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#define GPIO_ENABLE_DOUT_MASK(port, u32PinMask) ((port)->DMASK &= ~u32PinMask)
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/**
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* @brief Get GPIO Pin Interrupt Flag
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*
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* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
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* @param[in] u32PinMask The single or multiple pins of specified GPIO port.
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* It could be BIT0 ~ BIT7.
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*
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* @retval 0 No interrupt at specified GPIO pin
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* @retval 1 The specified GPIO pin generate an interrupt
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*
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* @details Get the interrupt status of specified GPIO pin.
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*/
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#define GPIO_GET_INT_FLAG(port, u32PinMask) ((port)->ISRC & u32PinMask)
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/**
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* @brief Set De-bounce Sampling Cycle Time
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*
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* @param[in] clksrc The de-bounce counter clock source. It could be GPIO_DBCLKSRC_HCLK or GPIO_DBCLKSRC_LIRC.
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* @param[in] clksel The de-bounce sampling cycle selection. It could be \n
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* GPIO_DBCLKSEL_1, GPIO_DBCLKSEL_2, GPIO_DBCLKSEL_4, GPIO_DBCLKSEL_8, \n
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* GPIO_DBCLKSEL_16, GPIO_DBCLKSEL_32, GPIO_DBCLKSEL_64, GPIO_DBCLKSEL_128, \n
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* GPIO_DBCLKSEL_256, GPIO_DBCLKSEL_512, GPIO_DBCLKSEL_1024, GPIO_DBCLKSEL_2048, \n
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* GPIO_DBCLKSEL_4096, GPIO_DBCLKSEL_8192, GPIO_DBCLKSEL_16384, GPIO_DBCLKSEL_32768.
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*
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* @return None
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*
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* @details Set the interrupt de-bounce sampling cycle time based on the debounce counter clock source. \n
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* Example: _GPIO_SET_DEBOUNCE_TIME(GPIO_DBNCECON_DBCLKSRC_IRC10K, GPIO_DBNCECON_DBCLKSEL_4). \n
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* It's meaning the De-debounce counter clock source is internal 10 KHz and sampling cycle selection is 4. \n
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* Then the target de-bounce sampling cycle time is (2^4)*(1/(10*1000)) s = 16*0.0001 s = 1600 us,
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* and system will sampling interrupt input once per 1600 us.
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*/
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#define GPIO_SET_DEBOUNCE_TIME(u32ClkSrc, u32ClkSel) (GPIO->DBNCECON = (GPIO_DBNCECON_ICLK_ON_Msk | u32ClkSrc | u32ClkSel))
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/**
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* @brief Get GPIO Port IN Data
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*
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* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
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*
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* @retval The specified port data
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*
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* @details Get the PIN register of specified GPIO port.
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*/
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#define GPIO_GET_IN_DATA(port) ((port)->PIN)
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/**
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* @brief Set GPIO Port OUT Data
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*
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* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
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* @param[in] u32Data GPIO port data.
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*
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* @retval None
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*
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* @details Set the Data into specified GPIO port.
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*/
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#define GPIO_SET_OUT_DATA(port, u32Data) ((port)->DOUT = (u32Data))
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/**
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* @brief Toggle Specified GPIO pin
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*
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* @param[in] u32Pin Pxy
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*
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* @retval None
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*
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* @details Toggle the specified GPIO pint.
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*/
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#define GPIO_TOGGLE(u32Pin) ((u32Pin) ^= 1)
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/**
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* @brief Enable External GPIO Interrupt 0
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*
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* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
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* @param[in] u32Pin The pin of specified GPIO port. It could be 0 ~ 7.
|
||
|
|
* @param[in] u32IntAttribs The interrupt attribute of specified GPIO pin. It could be \n
|
||
|
|
* GPIO_INT_RISING, GPIO_INT_FALLING, GPIO_INT_BOTH_EDGE, GPIO_INT_HIGH, GPIO_INT_LOW.
|
||
|
|
*
|
||
|
|
* @return None
|
||
|
|
*
|
||
|
|
* @details This function is used to enable specified GPIO pin interrupt.
|
||
|
|
*/
|
||
|
|
#define GPIO_EnableEINT0 GPIO_EnableInt
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Disable External GPIO Interrupt 0
|
||
|
|
*
|
||
|
|
* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
|
||
|
|
* @param[in] u32Pin The pin of specified GPIO port. It could be 0 ~ 7.
|
||
|
|
*
|
||
|
|
* @return None
|
||
|
|
*
|
||
|
|
* @details This function is used to enable specified GPIO pin interrupt.
|
||
|
|
*/
|
||
|
|
#define GPIO_DisableEINT0 GPIO_DisableInt
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Enable External GPIO Interrupt 1
|
||
|
|
*
|
||
|
|
* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
|
||
|
|
* @param[in] u32Pin The pin of specified GPIO port. It could be 0 ~ 7.
|
||
|
|
* @param[in] u32IntAttribs The interrupt attribute of specified GPIO pin. It could be \n
|
||
|
|
* GPIO_INT_RISING, GPIO_INT_FALLING, GPIO_INT_BOTH_EDGE, GPIO_INT_HIGH, GPIO_INT_LOW.
|
||
|
|
*
|
||
|
|
* @return None
|
||
|
|
*
|
||
|
|
* @details This function is used to enable specified GPIO pin interrupt.
|
||
|
|
*/
|
||
|
|
#define GPIO_EnableEINT1 GPIO_EnableInt
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Disable External GPIO Interrupt 1
|
||
|
|
*
|
||
|
|
* @param[in] port GPIO port. It could be P0, P1, P2, P3 or P4.
|
||
|
|
* @param[in] u32Pin The pin of specified GPIO port. It could be 0 ~ 7.
|
||
|
|
*
|
||
|
|
* @return None
|
||
|
|
*
|
||
|
|
* @details This function is used to enable specified GPIO pin interrupt.
|
||
|
|
*/
|
||
|
|
#define GPIO_DisableEINT1 GPIO_DisableInt
|
||
|
|
|
||
|
|
|
||
|
|
void GPIO_SetMode(GPIO_T *port, uint32_t u32PinMask, uint32_t u32Mode);
|
||
|
|
void GPIO_EnableInt(GPIO_T *port, uint32_t u32Pin, uint32_t u32IntAttribs);
|
||
|
|
void GPIO_DisableInt(GPIO_T *port, uint32_t u32Pin);
|
||
|
|
|
||
|
|
|
||
|
|
/*@}*/ /* end of group M051_GPIO_EXPORTED_FUNCTIONS */
|
||
|
|
|
||
|
|
/*@}*/ /* end of group M051_GPIO_Driver */
|
||
|
|
|
||
|
|
/*@}*/ /* end of group M051_Device_Driver */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif //__GPIO_H__
|
||
|
|
|
||
|
|
/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/
|