diff options
Diffstat (limited to 'arch/arm/lpc17xx/Drivers/source/lpc17xx_gpio.c')
| -rw-r--r-- | arch/arm/lpc17xx/Drivers/source/lpc17xx_gpio.c | 749 |
1 files changed, 749 insertions, 0 deletions
diff --git a/arch/arm/lpc17xx/Drivers/source/lpc17xx_gpio.c b/arch/arm/lpc17xx/Drivers/source/lpc17xx_gpio.c new file mode 100644 index 0000000..8c037c6 --- /dev/null +++ b/arch/arm/lpc17xx/Drivers/source/lpc17xx_gpio.c @@ -0,0 +1,749 @@ +/***********************************************************************//**
+ * @file lpc17xx_gpio.c
+ * @brief Contains all functions support for GPIO firmware library on LPC17xx
+ * @version 2.0
+ * @date 21. May. 2010
+ * @author NXP MCU SW Application Team
+ **************************************************************************
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * products. This software is supplied "AS IS" without any warranties.
+ * NXP Semiconductors assumes no responsibility or liability for the
+ * use of the software, conveys no license or title under any patent,
+ * copyright, or mask work right to the product. NXP Semiconductors
+ * reserves the right to make changes in the software without
+ * notification. NXP Semiconductors also make no representation or
+ * warranty that such application will be suitable for the specified
+ * use without further testing or modification.
+ **********************************************************************/
+
+/* Peripheral group ----------------------------------------------------------- */
+/** @addtogroup GPIO
+ * @{
+ */
+
+/* Includes ------------------------------------------------------------------- */
+#include "lpc17xx_gpio.h"
+
+/* If this source file built with example, the LPC17xx FW library configuration
+ * file in each example directory ("lpc17xx_libcfg.h") must be included,
+ * otherwise the default FW library configuration file must be included instead
+ */
+#ifdef __BUILD_WITH_EXAMPLE__
+#include "lpc17xx_libcfg.h"
+#else
+#include "lpc17xx_libcfg_default.h"
+#endif /* __BUILD_WITH_EXAMPLE__ */
+
+
+#ifdef _GPIO
+
+/* Private Functions ---------------------------------------------------------- */
+
+static LPC_GPIO_TypeDef *GPIO_GetPointer(uint8_t portNum);
+static GPIO_HalfWord_TypeDef *FIO_HalfWordGetPointer(uint8_t portNum);
+static GPIO_Byte_TypeDef *FIO_ByteGetPointer(uint8_t portNum);
+
+/*********************************************************************//**
+ * @brief Get pointer to GPIO peripheral due to GPIO port
+ * @param[in] portNum Port Number value, should be in range from 0 to 4.
+ * @return Pointer to GPIO peripheral
+ **********************************************************************/
+static LPC_GPIO_TypeDef *GPIO_GetPointer(uint8_t portNum)
+{
+ LPC_GPIO_TypeDef *pGPIO = NULL;
+
+ switch (portNum) {
+ case 0:
+ pGPIO = LPC_GPIO0;
+ break;
+ case 1:
+ pGPIO = LPC_GPIO1;
+ break;
+ case 2:
+ pGPIO = LPC_GPIO2;
+ break;
+ case 3:
+ pGPIO = LPC_GPIO3;
+ break;
+ case 4:
+ pGPIO = LPC_GPIO4;
+ break;
+ default:
+ break;
+ }
+
+ return pGPIO;
+}
+
+/*********************************************************************//**
+ * @brief Get pointer to FIO peripheral in halfword accessible style
+ * due to FIO port
+ * @param[in] portNum Port Number value, should be in range from 0 to 4.
+ * @return Pointer to FIO peripheral
+ **********************************************************************/
+static GPIO_HalfWord_TypeDef *FIO_HalfWordGetPointer(uint8_t portNum)
+{
+ GPIO_HalfWord_TypeDef *pFIO = NULL;
+
+ switch (portNum) {
+ case 0:
+ pFIO = GPIO0_HalfWord;
+ break;
+ case 1:
+ pFIO = GPIO1_HalfWord;
+ break;
+ case 2:
+ pFIO = GPIO2_HalfWord;
+ break;
+ case 3:
+ pFIO = GPIO3_HalfWord;
+ break;
+ case 4:
+ pFIO = GPIO4_HalfWord;
+ break;
+ default:
+ break;
+ }
+
+ return pFIO;
+}
+
+/*********************************************************************//**
+ * @brief Get pointer to FIO peripheral in byte accessible style
+ * due to FIO port
+ * @param[in] portNum Port Number value, should be in range from 0 to 4.
+ * @return Pointer to FIO peripheral
+ **********************************************************************/
+static GPIO_Byte_TypeDef *FIO_ByteGetPointer(uint8_t portNum)
+{
+ GPIO_Byte_TypeDef *pFIO = NULL;
+
+ switch (portNum) {
+ case 0:
+ pFIO = GPIO0_Byte;
+ break;
+ case 1:
+ pFIO = GPIO1_Byte;
+ break;
+ case 2:
+ pFIO = GPIO2_Byte;
+ break;
+ case 3:
+ pFIO = GPIO3_Byte;
+ break;
+ case 4:
+ pFIO = GPIO4_Byte;
+ break;
+ default:
+ break;
+ }
+
+ return pFIO;
+}
+
+/* End of Private Functions --------------------------------------------------- */
+
+
+/* Public Functions ----------------------------------------------------------- */
+/** @addtogroup GPIO_Public_Functions
+ * @{
+ */
+
+
+/* GPIO ------------------------------------------------------------------------------ */
+
+/*********************************************************************//**
+ * @brief Set Direction for GPIO port.
+ * @param[in] portNum Port Number value, should be in range from 0 to 4
+ * @param[in] bitValue Value that contains all bits to set direction,
+ * in range from 0 to 0xFFFFFFFF.
+ * example: value 0x5 to set direction for bit 0 and bit 1.
+ * @param[in] dir Direction value, should be:
+ * - 0: Input.
+ * - 1: Output.
+ * @return None
+ *
+ * Note: All remaining bits that are not activated in bitValue (value '0')
+ * will not be effected by this function.
+ **********************************************************************/
+void GPIO_SetDir(uint8_t portNum, uint32_t bitValue, uint8_t dir)
+{
+ LPC_GPIO_TypeDef *pGPIO = GPIO_GetPointer(portNum);
+
+ if (pGPIO != NULL) {
+ // Enable Output
+ if (dir) {
+ pGPIO->FIODIR |= bitValue;
+ }
+ // Enable Input
+ else {
+ pGPIO->FIODIR &= ~bitValue;
+ }
+ }
+}
+
+
+/*********************************************************************//**
+ * @brief Set Value for bits that have output direction on GPIO port.
+ * @param[in] portNum Port number value, should be in range from 0 to 4
+ * @param[in] bitValue Value that contains all bits on GPIO to set,
+ * in range from 0 to 0xFFFFFFFF.
+ * example: value 0x5 to set bit 0 and bit 1.
+ * @return None
+ *
+ * Note:
+ * - For all bits that has been set as input direction, this function will
+ * not effect.
+ * - For all remaining bits that are not activated in bitValue (value '0')
+ * will not be effected by this function.
+ **********************************************************************/
+void GPIO_SetValue(uint8_t portNum, uint32_t bitValue)
+{
+ LPC_GPIO_TypeDef *pGPIO = GPIO_GetPointer(portNum);
+
+ if (pGPIO != NULL) {
+ pGPIO->FIOSET = bitValue;
+ }
+}
+
+/*********************************************************************//**
+ * @brief Clear Value for bits that have output direction on GPIO port.
+ * @param[in] portNum Port number value, should be in range from 0 to 4
+ * @param[in] bitValue Value that contains all bits on GPIO to clear,
+ * in range from 0 to 0xFFFFFFFF.
+ * example: value 0x5 to clear bit 0 and bit 1.
+ * @return None
+ *
+ * Note:
+ * - For all bits that has been set as input direction, this function will
+ * not effect.
+ * - For all remaining bits that are not activated in bitValue (value '0')
+ * will not be effected by this function.
+ **********************************************************************/
+void GPIO_ClearValue(uint8_t portNum, uint32_t bitValue)
+{
+ LPC_GPIO_TypeDef *pGPIO = GPIO_GetPointer(portNum);
+
+ if (pGPIO != NULL) {
+ pGPIO->FIOCLR = bitValue;
+ }
+}
+
+/*********************************************************************//**
+ * @brief Read Current state on port pin that have input direction of GPIO
+ * @param[in] portNum Port number to read value, in range from 0 to 4
+ * @return Current value of GPIO port.
+ *
+ * Note: Return value contain state of each port pin (bit) on that GPIO regardless
+ * its direction is input or output.
+ **********************************************************************/
+uint32_t GPIO_ReadValue(uint8_t portNum)
+{
+ LPC_GPIO_TypeDef *pGPIO = GPIO_GetPointer(portNum);
+
+ if (pGPIO != NULL) {
+ return pGPIO->FIOPIN;
+ }
+
+ return (0);
+}
+
+/*********************************************************************//**
+ * @brief Enable GPIO interrupt (just used for P0.0-P0.30, P2.0-P2.13)
+ * @param[in] portNum Port number to read value, should be: 0 or 2
+ * @param[in] bitValue Value that contains all bits on GPIO to enable,
+ * in range from 0 to 0xFFFFFFFF.
+ * @param[in] edgeState state of edge, should be:
+ * - 0: Rising edge
+ * - 1: Falling edge
+ * @return None
+ **********************************************************************/
+void GPIO_IntCmd(uint8_t portNum, uint32_t bitValue, uint8_t edgeState)
+{
+ if((portNum == 0)&&(edgeState == 0))
+ LPC_GPIOINT->IO0IntEnR = bitValue;
+ else if ((portNum == 2)&&(edgeState == 0))
+ LPC_GPIOINT->IO2IntEnR = bitValue;
+ else if ((portNum == 0)&&(edgeState == 1))
+ LPC_GPIOINT->IO0IntEnF = bitValue;
+ else if ((portNum == 2)&&(edgeState == 1))
+ LPC_GPIOINT->IO2IntEnF = bitValue;
+ else
+ //Error
+ while(1);
+}
+
+/*********************************************************************//**
+ * @brief Get GPIO Interrupt Status (just used for P0.0-P0.30, P2.0-P2.13)
+ * @param[in] portNum Port number to read value, should be: 0 or 2
+ * @param[in] pinNum Pin number, should be: 0..30(with port 0) and 0..13
+ * (with port 2)
+ * @param[in] edgeState state of edge, should be:
+ * - 0: Rising edge
+ * - 1: Falling edge
+ * @return Bool could be:
+ * - ENABLE: Interrupt has been generated due to a rising
+ * edge on P0.0
+ * - DISABLE: A rising edge has not been detected on P0.0
+ **********************************************************************/
+FunctionalState GPIO_GetIntStatus(uint8_t portNum, uint32_t pinNum, uint8_t edgeState)
+{
+ if((portNum == 0) && (edgeState == 0))//Rising Edge
+ return (((LPC_GPIOINT->IO0IntStatR)>>pinNum)& 0x1);
+ else if ((portNum == 2) && (edgeState == 0))
+ return (((LPC_GPIOINT->IO2IntStatR)>>pinNum)& 0x1);
+ else if ((portNum == 0) && (edgeState == 1))//Falling Edge
+ return (((LPC_GPIOINT->IO0IntStatF)>>pinNum)& 0x1);
+ else if ((portNum == 2) && (edgeState == 1))
+ return (((LPC_GPIOINT->IO2IntStatF)>>pinNum)& 0x1);
+ else
+ //Error
+ while(1);
+}
+/*********************************************************************//**
+ * @brief Clear GPIO interrupt (just used for P0.0-P0.30, P2.0-P2.13)
+ * @param[in] portNum Port number to read value, should be: 0 or 2
+ * @param[in] bitValue Value that contains all bits on GPIO to enable,
+ * in range from 0 to 0xFFFFFFFF.
+ * @return None
+ **********************************************************************/
+void GPIO_ClearInt(uint8_t portNum, uint32_t bitValue)
+{
+ if(portNum == 0)
+ LPC_GPIOINT->IO0IntClr = bitValue;
+ else if (portNum == 2)
+ LPC_GPIOINT->IO2IntClr = bitValue;
+ else
+ //Invalid portNum
+ while(1);
+}
+
+/* FIO word accessible ----------------------------------------------------------------- */
+/* Stub function for FIO (word-accessible) style */
+
+/**
+ * @brief The same with GPIO_SetDir()
+ */
+void FIO_SetDir(uint8_t portNum, uint32_t bitValue, uint8_t dir)
+{
+ GPIO_SetDir(portNum, bitValue, dir);
+}
+
+/**
+ * @brief The same with GPIO_SetValue()
+ */
+void FIO_SetValue(uint8_t portNum, uint32_t bitValue)
+{
+ GPIO_SetValue(portNum, bitValue);
+}
+
+/**
+ * @brief The same with GPIO_ClearValue()
+ */
+void FIO_ClearValue(uint8_t portNum, uint32_t bitValue)
+{
+ GPIO_ClearValue(portNum, bitValue);
+}
+
+/**
+ * @brief The same with GPIO_ReadValue()
+ */
+uint32_t FIO_ReadValue(uint8_t portNum)
+{
+ return (GPIO_ReadValue(portNum));
+}
+
+/**
+ * @brief The same with GPIO_IntCmd()
+ */
+void FIO_IntCmd(uint8_t portNum, uint32_t bitValue, uint8_t edgeState)
+{
+ GPIO_IntCmd(portNum, bitValue, edgeState);
+}
+
+/**
+ * @brief The same with GPIO_GetIntStatus()
+ */
+FunctionalState FIO_GetIntStatus(uint8_t portNum, uint32_t pinNum, uint8_t edgeState)
+{
+ return (GPIO_GetIntStatus(portNum, pinNum, edgeState));
+}
+
+/**
+ * @brief The same with GPIO_ClearInt()
+ */
+void FIO_ClearInt(uint8_t portNum, uint32_t bitValue)
+{
+ GPIO_ClearInt(portNum, bitValue);
+}
+/*********************************************************************//**
+ * @brief Set mask value for bits in FIO port
+ * @param[in] portNum Port number, in range from 0 to 4
+ * @param[in] bitValue Value that contains all bits in to set,
+ * in range from 0 to 0xFFFFFFFF.
+ * @param[in] maskValue Mask value contains state value for each bit:
+ * - 0: not mask.
+ * - 1: mask.
+ * @return None
+ *
+ * Note:
+ * - All remaining bits that are not activated in bitValue (value '0')
+ * will not be effected by this function.
+ * - After executing this function, in mask register, value '0' on each bit
+ * enables an access to the corresponding physical pin via a read or write access,
+ * while value '1' on bit (masked) that corresponding pin will not be changed
+ * with write access and if read, will not be reflected in the updated pin.
+ **********************************************************************/
+void FIO_SetMask(uint8_t portNum, uint32_t bitValue, uint8_t maskValue)
+{
+ LPC_GPIO_TypeDef *pFIO = GPIO_GetPointer(portNum);
+ if(pFIO != NULL) {
+ // Mask
+ if (maskValue){
+ pFIO->FIOMASK |= bitValue;
+ }
+ // Un-mask
+ else {
+ pFIO->FIOMASK &= ~bitValue;
+ }
+ }
+}
+
+
+/* FIO halfword accessible ------------------------------------------------------------- */
+
+/*********************************************************************//**
+ * @brief Set direction for FIO port in halfword accessible style
+ * @param[in] portNum Port number, in range from 0 to 4
+ * @param[in] halfwordNum HalfWord part number, should be 0 (lower) or 1(upper)
+ * @param[in] bitValue Value that contains all bits in to set direction,
+ * in range from 0 to 0xFFFF.
+ * @param[in] dir Direction value, should be:
+ * - 0: Input.
+ * - 1: Output.
+ * @return None
+ *
+ * Note: All remaining bits that are not activated in bitValue (value '0')
+ * will not be effected by this function.
+ **********************************************************************/
+void FIO_HalfWordSetDir(uint8_t portNum, uint8_t halfwordNum, uint16_t bitValue, uint8_t dir)
+{
+ GPIO_HalfWord_TypeDef *pFIO = FIO_HalfWordGetPointer(portNum);
+ if(pFIO != NULL) {
+ // Output direction
+ if (dir) {
+ // Upper
+ if(halfwordNum) {
+ pFIO->FIODIRU |= bitValue;
+ }
+ // lower
+ else {
+ pFIO->FIODIRL |= bitValue;
+ }
+ }
+ // Input direction
+ else {
+ // Upper
+ if(halfwordNum) {
+ pFIO->FIODIRU &= ~bitValue;
+ }
+ // lower
+ else {
+ pFIO->FIODIRL &= ~bitValue;
+ }
+ }
+ }
+}
+
+
+/*********************************************************************//**
+ * @brief Set mask value for bits in FIO port in halfword accessible style
+ * @param[in] portNum Port number, in range from 0 to 4
+ * @param[in] halfwordNum HalfWord part number, should be 0 (lower) or 1(upper)
+ * @param[in] bitValue Value that contains all bits in to set,
+ * in range from 0 to 0xFFFF.
+ * @param[in] maskValue Mask value contains state value for each bit:
+ * - 0: not mask.
+ * - 1: mask.
+ * @return None
+ *
+ * Note:
+ * - All remaining bits that are not activated in bitValue (value '0')
+ * will not be effected by this function.
+ * - After executing this function, in mask register, value '0' on each bit
+ * enables an access to the corresponding physical pin via a read or write access,
+ * while value '1' on bit (masked) that corresponding pin will not be changed
+ * with write access and if read, will not be reflected in the updated pin.
+ **********************************************************************/
+void FIO_HalfWordSetMask(uint8_t portNum, uint8_t halfwordNum, uint16_t bitValue, uint8_t maskValue)
+{
+ GPIO_HalfWord_TypeDef *pFIO = FIO_HalfWordGetPointer(portNum);
+ if(pFIO != NULL) {
+ // Mask
+ if (maskValue){
+ // Upper
+ if(halfwordNum) {
+ pFIO->FIOMASKU |= bitValue;
+ }
+ // lower
+ else {
+ pFIO->FIOMASKL |= bitValue;
+ }
+ }
+ // Un-mask
+ else {
+ // Upper
+ if(halfwordNum) {
+ pFIO->FIOMASKU &= ~bitValue;
+ }
+ // lower
+ else {
+ pFIO->FIOMASKL &= ~bitValue;
+ }
+ }
+ }
+}
+
+
+/*********************************************************************//**
+ * @brief Set bits for FIO port in halfword accessible style
+ * @param[in] portNum Port number, in range from 0 to 4
+ * @param[in] halfwordNum HalfWord part number, should be 0 (lower) or 1(upper)
+ * @param[in] bitValue Value that contains all bits in to set,
+ * in range from 0 to 0xFFFF.
+ * @return None
+ *
+ * Note:
+ * - For all bits that has been set as input direction, this function will
+ * not effect.
+ * - For all remaining bits that are not activated in bitValue (value '0')
+ * will not be effected by this function.
+ **********************************************************************/
+void FIO_HalfWordSetValue(uint8_t portNum, uint8_t halfwordNum, uint16_t bitValue)
+{
+ GPIO_HalfWord_TypeDef *pFIO = FIO_HalfWordGetPointer(portNum);
+ if(pFIO != NULL) {
+ // Upper
+ if(halfwordNum) {
+ pFIO->FIOSETU = bitValue;
+ }
+ // lower
+ else {
+ pFIO->FIOSETL = bitValue;
+ }
+ }
+}
+
+
+/*********************************************************************//**
+ * @brief Clear bits for FIO port in halfword accessible style
+ * @param[in] portNum Port number, in range from 0 to 4
+ * @param[in] halfwordNum HalfWord part number, should be 0 (lower) or 1(upper)
+ * @param[in] bitValue Value that contains all bits in to clear,
+ * in range from 0 to 0xFFFF.
+ * @return None
+ *
+ * Note:
+ * - For all bits that has been set as input direction, this function will
+ * not effect.
+ * - For all remaining bits that are not activated in bitValue (value '0')
+ * will not be effected by this function.
+ **********************************************************************/
+void FIO_HalfWordClearValue(uint8_t portNum, uint8_t halfwordNum, uint16_t bitValue)
+{
+ GPIO_HalfWord_TypeDef *pFIO = FIO_HalfWordGetPointer(portNum);
+ if(pFIO != NULL) {
+ // Upper
+ if(halfwordNum) {
+ pFIO->FIOCLRU = bitValue;
+ }
+ // lower
+ else {
+ pFIO->FIOCLRL = bitValue;
+ }
+ }
+}
+
+
+/*********************************************************************//**
+ * @brief Read Current state on port pin that have input direction of GPIO
+ * in halfword accessible style.
+ * @param[in] portNum Port number, in range from 0 to 4
+ * @param[in] halfwordNum HalfWord part number, should be 0 (lower) or 1(upper)
+ * @return Current value of FIO port pin of specified halfword.
+ * Note: Return value contain state of each port pin (bit) on that FIO regardless
+ * its direction is input or output.
+ **********************************************************************/
+uint16_t FIO_HalfWordReadValue(uint8_t portNum, uint8_t halfwordNum)
+{
+ GPIO_HalfWord_TypeDef *pFIO = FIO_HalfWordGetPointer(portNum);
+ if(pFIO != NULL) {
+ // Upper
+ if(halfwordNum) {
+ return (pFIO->FIOPINU);
+ }
+ // lower
+ else {
+ return (pFIO->FIOPINL);
+ }
+ }
+ return (0);
+}
+
+
+/* FIO Byte accessible ------------------------------------------------------------ */
+
+/*********************************************************************//**
+ * @brief Set direction for FIO port in byte accessible style
+ * @param[in] portNum Port number, in range from 0 to 4
+ * @param[in] byteNum Byte part number, should be in range from 0 to 3
+ * @param[in] bitValue Value that contains all bits in to set direction,
+ * in range from 0 to 0xFF.
+ * @param[in] dir Direction value, should be:
+ * - 0: Input.
+ * - 1: Output.
+ * @return None
+ *
+ * Note: All remaining bits that are not activated in bitValue (value '0')
+ * will not be effected by this function.
+ **********************************************************************/
+void FIO_ByteSetDir(uint8_t portNum, uint8_t byteNum, uint8_t bitValue, uint8_t dir)
+{
+ GPIO_Byte_TypeDef *pFIO = FIO_ByteGetPointer(portNum);
+ if(pFIO != NULL) {
+ // Output direction
+ if (dir) {
+ if ((byteNum >= 0) && (byteNum <= 3)) {
+ pFIO->FIODIR[byteNum] |= bitValue;
+ }
+ }
+ // Input direction
+ else {
+ if ((byteNum >= 0) && (byteNum <= 3)) {
+ pFIO->FIODIR[byteNum] &= ~bitValue;
+ }
+ }
+ }
+}
+
+/*********************************************************************//**
+ * @brief Set mask value for bits in FIO port in byte accessible style
+ * @param[in] portNum Port number, in range from 0 to 4
+ * @param[in] byteNum Byte part number, should be in range from 0 to 3
+ * @param[in] bitValue Value that contains all bits in to set mask,
+ * in range from 0 to 0xFF.
+ * @param[in] maskValue Mask value contains state value for each bit:
+ * - 0: not mask.
+ * - 1: mask.
+ * @return None
+ *
+ * Note:
+ * - All remaining bits that are not activated in bitValue (value '0')
+ * will not be effected by this function.
+ * - After executing this function, in mask register, value '0' on each bit
+ * enables an access to the corresponding physical pin via a read or write access,
+ * while value '1' on bit (masked) that corresponding pin will not be changed
+ * with write access and if read, will not be reflected in the updated pin.
+ **********************************************************************/
+void FIO_ByteSetMask(uint8_t portNum, uint8_t byteNum, uint8_t bitValue, uint8_t maskValue)
+{
+ GPIO_Byte_TypeDef *pFIO = FIO_ByteGetPointer(portNum);
+ if(pFIO != NULL) {
+ // Mask
+ if (maskValue) {
+ if ((byteNum >= 0) && (byteNum <= 3)) {
+ pFIO->FIOMASK[byteNum] |= bitValue;
+ }
+ }
+ // Un-mask
+ else {
+ if ((byteNum >= 0) && (byteNum <= 3)) {
+ pFIO->FIOMASK[byteNum] &= ~bitValue;
+ }
+ }
+ }
+}
+
+
+/*********************************************************************//**
+ * @brief Set bits for FIO port in byte accessible style
+ * @param[in] portNum Port number, in range from 0 to 4
+ * @param[in] byteNum Byte part number, should be in range from 0 to 3
+ * @param[in] bitValue Value that contains all bits in to set,
+ * in range from 0 to 0xFF.
+ * @return None
+ *
+ * Note:
+ * - For all bits that has been set as input direction, this function will
+ * not effect.
+ * - For all remaining bits that are not activated in bitValue (value '0')
+ * will not be effected by this function.
+ **********************************************************************/
+void FIO_ByteSetValue(uint8_t portNum, uint8_t byteNum, uint8_t bitValue)
+{
+ GPIO_Byte_TypeDef *pFIO = FIO_ByteGetPointer(portNum);
+ if (pFIO != NULL) {
+ if ((byteNum >= 0) && (byteNum <= 3)){
+ pFIO->FIOSET[byteNum] = bitValue;
+ }
+ }
+}
+
+
+/*********************************************************************//**
+ * @brief Clear bits for FIO port in byte accessible style
+ * @param[in] portNum Port number, in range from 0 to 4
+ * @param[in] byteNum Byte part number, should be in range from 0 to 3
+ * @param[in] bitValue Value that contains all bits in to clear,
+ * in range from 0 to 0xFF.
+ * @return None
+ *
+ * Note:
+ * - For all bits that has been set as input direction, this function will
+ * not effect.
+ * - For all remaining bits that are not activated in bitValue (value '0')
+ * will not be effected by this function.
+ **********************************************************************/
+void FIO_ByteClearValue(uint8_t portNum, uint8_t byteNum, uint8_t bitValue)
+{
+ GPIO_Byte_TypeDef *pFIO = FIO_ByteGetPointer(portNum);
+ if (pFIO != NULL) {
+ if ((byteNum >= 0) && (byteNum <= 3)){
+ pFIO->FIOCLR[byteNum] = bitValue;
+ }
+ }
+}
+
+
+/*********************************************************************//**
+ * @brief Read Current state on port pin that have input direction of GPIO
+ * in byte accessible style.
+ * @param[in] portNum Port number, in range from 0 to 4
+ * @param[in] byteNum Byte part number, should be in range from 0 to 3
+ * @return Current value of FIO port pin of specified byte part.
+ * Note: Return value contain state of each port pin (bit) on that FIO regardless
+ * its direction is input or output.
+ **********************************************************************/
+uint8_t FIO_ByteReadValue(uint8_t portNum, uint8_t byteNum)
+{
+ GPIO_Byte_TypeDef *pFIO = FIO_ByteGetPointer(portNum);
+ if (pFIO != NULL) {
+ if ((byteNum >= 0) && (byteNum <= 3)){
+ return (pFIO->FIOPIN[byteNum]);
+ }
+ }
+ return (0);
+}
+
+/**
+ * @}
+ */
+
+#endif /* _GPIO */
+
+/**
+ * @}
+ */
+
+/* --------------------------------- End Of File ------------------------------ */
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