Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/emlib/src/em_gpio.c@50:a417edff4437, 2016-01-15 (annotated)

Committer:
mbed_official
Date:
Fri Jan 15 07:45:16 2016 +0000
Revision:
50:a417edff4437
Parent:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Synchronized with git revision 6010f32619bfcbb01cc73747d4ff9040863482d9



Full URL: https://github.com/mbedmicro/mbed/commit/6010f32619bfcbb01cc73747d4ff9040863482d9/



Remove doubling of buffer size in realiseEndpoint()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 2 * @file em_gpio.c
bogdanm 0:9b334a45a8ff 3 * @brief General Purpose IO (GPIO) peripheral API
bogdanm 0:9b334a45a8ff 4 * devices.
mbed_official 50:a417edff4437 5 * @version 4.2.1
bogdanm 0:9b334a45a8ff 6 *******************************************************************************
bogdanm 0:9b334a45a8ff 7 * @section License
mbed_official 50:a417edff4437 8 * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
bogdanm 0:9b334a45a8ff 9 *******************************************************************************
bogdanm 0:9b334a45a8ff 10 *
bogdanm 0:9b334a45a8ff 11 * Permission is granted to anyone to use this software for any purpose,
bogdanm 0:9b334a45a8ff 12 * including commercial applications, and to alter it and redistribute it
bogdanm 0:9b334a45a8ff 13 * freely, subject to the following restrictions:
bogdanm 0:9b334a45a8ff 14 *
bogdanm 0:9b334a45a8ff 15 * 1. The origin of this software must not be misrepresented; you must not
bogdanm 0:9b334a45a8ff 16 * claim that you wrote the original software.
bogdanm 0:9b334a45a8ff 17 * 2. Altered source versions must be plainly marked as such, and must not be
bogdanm 0:9b334a45a8ff 18 * misrepresented as being the original software.
bogdanm 0:9b334a45a8ff 19 * 3. This notice may not be removed or altered from any source distribution.
bogdanm 0:9b334a45a8ff 20 *
bogdanm 0:9b334a45a8ff 21 * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
bogdanm 0:9b334a45a8ff 22 * obligation to support this Software. Silicon Labs is providing the
bogdanm 0:9b334a45a8ff 23 * Software "AS IS", with no express or implied warranties of any kind,
bogdanm 0:9b334a45a8ff 24 * including, but not limited to, any implied warranties of merchantability
bogdanm 0:9b334a45a8ff 25 * or fitness for any particular purpose or warranties against infringement
bogdanm 0:9b334a45a8ff 26 * of any proprietary rights of a third party.
bogdanm 0:9b334a45a8ff 27 *
bogdanm 0:9b334a45a8ff 28 * Silicon Labs will not be liable for any consequential, incidental, or
bogdanm 0:9b334a45a8ff 29 * special damages, or any other relief, or for any claim by any third party,
bogdanm 0:9b334a45a8ff 30 * arising from your use of this Software.
bogdanm 0:9b334a45a8ff 31 *
bogdanm 0:9b334a45a8ff 32 ******************************************************************************/
bogdanm 0:9b334a45a8ff 33
bogdanm 0:9b334a45a8ff 34
bogdanm 0:9b334a45a8ff 35 #include "em_gpio.h"
bogdanm 0:9b334a45a8ff 36
bogdanm 0:9b334a45a8ff 37 #if defined(GPIO_COUNT) && (GPIO_COUNT > 0)
mbed_official 50:a417edff4437 38
bogdanm 0:9b334a45a8ff 39 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 40 * @addtogroup EM_Library
bogdanm 0:9b334a45a8ff 41 * @{
bogdanm 0:9b334a45a8ff 42 ******************************************************************************/
bogdanm 0:9b334a45a8ff 43
bogdanm 0:9b334a45a8ff 44 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 45 * @addtogroup GPIO
bogdanm 0:9b334a45a8ff 46 * @brief General Purpose Input/Output (GPIO) API
bogdanm 0:9b334a45a8ff 47 * @{
bogdanm 0:9b334a45a8ff 48 ******************************************************************************/
bogdanm 0:9b334a45a8ff 49
bogdanm 0:9b334a45a8ff 50 /*******************************************************************************
bogdanm 0:9b334a45a8ff 51 ******************************* DEFINES ***********************************
bogdanm 0:9b334a45a8ff 52 ******************************************************************************/
bogdanm 0:9b334a45a8ff 53
bogdanm 0:9b334a45a8ff 54 /** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
bogdanm 0:9b334a45a8ff 55
bogdanm 0:9b334a45a8ff 56 /** Validation of pin typically usable in assert statements. */
bogdanm 0:9b334a45a8ff 57 #define GPIO_DRIVEMODE_VALID(mode) ((mode) <= 3)
mbed_official 50:a417edff4437 58 #define GPIO_STRENGHT_VALID(strenght) (!((strenght) & \
mbed_official 50:a417edff4437 59 ~(_GPIO_P_CTRL_DRIVESTRENGTH_MASK \
mbed_official 50:a417edff4437 60 | _GPIO_P_CTRL_DRIVESTRENGTHALT_MASK)))
bogdanm 0:9b334a45a8ff 61 /** @endcond */
bogdanm 0:9b334a45a8ff 62
bogdanm 0:9b334a45a8ff 63
bogdanm 0:9b334a45a8ff 64 /*******************************************************************************
bogdanm 0:9b334a45a8ff 65 ************************** GLOBAL FUNCTIONS *******************************
bogdanm 0:9b334a45a8ff 66 ******************************************************************************/
bogdanm 0:9b334a45a8ff 67
bogdanm 0:9b334a45a8ff 68 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 69 * @brief
bogdanm 0:9b334a45a8ff 70 * Sets the pin location of the debug pins (Serial Wire interface).
bogdanm 0:9b334a45a8ff 71 *
bogdanm 0:9b334a45a8ff 72 * @note
bogdanm 0:9b334a45a8ff 73 * Changing the pins used for debugging uncontrolled, may result in a lockout.
bogdanm 0:9b334a45a8ff 74 *
bogdanm 0:9b334a45a8ff 75 * @param[in] location
bogdanm 0:9b334a45a8ff 76 * The debug pin location to use (0-3).
bogdanm 0:9b334a45a8ff 77 ******************************************************************************/
bogdanm 0:9b334a45a8ff 78 void GPIO_DbgLocationSet(unsigned int location)
bogdanm 0:9b334a45a8ff 79 {
bogdanm 0:9b334a45a8ff 80 #if defined ( _GPIO_ROUTE_SWLOCATION_MASK )
bogdanm 0:9b334a45a8ff 81 EFM_ASSERT(location < AFCHANLOC_MAX);
bogdanm 0:9b334a45a8ff 82
bogdanm 0:9b334a45a8ff 83 GPIO->ROUTE = (GPIO->ROUTE & ~_GPIO_ROUTE_SWLOCATION_MASK) |
bogdanm 0:9b334a45a8ff 84 (location << _GPIO_ROUTE_SWLOCATION_SHIFT);
bogdanm 0:9b334a45a8ff 85 #else
bogdanm 0:9b334a45a8ff 86 (void)location;
bogdanm 0:9b334a45a8ff 87 #endif
bogdanm 0:9b334a45a8ff 88 }
bogdanm 0:9b334a45a8ff 89
mbed_official 50:a417edff4437 90 #if defined (_GPIO_P_CTRL_DRIVEMODE_MASK)
bogdanm 0:9b334a45a8ff 91 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 92 * @brief
bogdanm 0:9b334a45a8ff 93 * Sets the drive mode for a GPIO port.
bogdanm 0:9b334a45a8ff 94 *
bogdanm 0:9b334a45a8ff 95 * @param[in] port
bogdanm 0:9b334a45a8ff 96 * The GPIO port to access.
bogdanm 0:9b334a45a8ff 97 *
bogdanm 0:9b334a45a8ff 98 * @param[in] mode
bogdanm 0:9b334a45a8ff 99 * Drive mode to use for port.
bogdanm 0:9b334a45a8ff 100 ******************************************************************************/
bogdanm 0:9b334a45a8ff 101 void GPIO_DriveModeSet(GPIO_Port_TypeDef port, GPIO_DriveMode_TypeDef mode)
bogdanm 0:9b334a45a8ff 102 {
bogdanm 0:9b334a45a8ff 103 EFM_ASSERT(GPIO_PORT_VALID(port) && GPIO_DRIVEMODE_VALID(mode));
bogdanm 0:9b334a45a8ff 104
bogdanm 0:9b334a45a8ff 105 GPIO->P[port].CTRL = (GPIO->P[port].CTRL & ~(_GPIO_P_CTRL_DRIVEMODE_MASK))
bogdanm 0:9b334a45a8ff 106 | (mode << _GPIO_P_CTRL_DRIVEMODE_SHIFT);
bogdanm 0:9b334a45a8ff 107 }
mbed_official 50:a417edff4437 108 #endif
bogdanm 0:9b334a45a8ff 109
bogdanm 0:9b334a45a8ff 110
mbed_official 50:a417edff4437 111 #if defined (_GPIO_P_CTRL_DRIVESTRENGTH_MASK)
mbed_official 50:a417edff4437 112 /***************************************************************************//**
mbed_official 50:a417edff4437 113 * @brief
mbed_official 50:a417edff4437 114 * Sets the drive strength for a GPIO port.
mbed_official 50:a417edff4437 115 *
mbed_official 50:a417edff4437 116 * @param[in] port
mbed_official 50:a417edff4437 117 * The GPIO port to access.
mbed_official 50:a417edff4437 118 *
mbed_official 50:a417edff4437 119 * @param[in] strength
mbed_official 50:a417edff4437 120 * Drive strength to use for port.
mbed_official 50:a417edff4437 121 ******************************************************************************/
mbed_official 50:a417edff4437 122 void GPIO_DriveStrengthSet(GPIO_Port_TypeDef port,
mbed_official 50:a417edff4437 123 GPIO_DriveStrength_TypeDef strength)
mbed_official 50:a417edff4437 124 {
mbed_official 50:a417edff4437 125 EFM_ASSERT(GPIO_PORT_VALID(port) && GPIO_STRENGHT_VALID(strength));
mbed_official 50:a417edff4437 126 BUS_RegMaskedWrite(&GPIO->P[port].CTRL,
mbed_official 50:a417edff4437 127 _GPIO_P_CTRL_DRIVESTRENGTH_MASK | _GPIO_P_CTRL_DRIVESTRENGTHALT_MASK,
mbed_official 50:a417edff4437 128 strength);
mbed_official 50:a417edff4437 129 }
mbed_official 50:a417edff4437 130 #endif
mbed_official 50:a417edff4437 131
bogdanm 0:9b334a45a8ff 132 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 133 * @brief
bogdanm 0:9b334a45a8ff 134 * Configure GPIO interrupt.
bogdanm 0:9b334a45a8ff 135 *
bogdanm 0:9b334a45a8ff 136 * @details
bogdanm 0:9b334a45a8ff 137 * If reconfiguring a GPIO interrupt that is already enabled, it is generally
bogdanm 0:9b334a45a8ff 138 * recommended to disable it first, see GPIO_Disable().
bogdanm 0:9b334a45a8ff 139 *
bogdanm 0:9b334a45a8ff 140 * The actual GPIO interrupt handler must be in place before enabling the
bogdanm 0:9b334a45a8ff 141 * interrupt.
bogdanm 0:9b334a45a8ff 142 *
bogdanm 0:9b334a45a8ff 143 * Notice that any pending interrupt for the selected pin is cleared by this
bogdanm 0:9b334a45a8ff 144 * function.
bogdanm 0:9b334a45a8ff 145 *
bogdanm 0:9b334a45a8ff 146 * @note
bogdanm 0:9b334a45a8ff 147 * A certain pin number can only be associated with one port. Ie, if GPIO
bogdanm 0:9b334a45a8ff 148 * interrupt 1 is assigned to port A/pin 1, then it is not possibly to use
bogdanm 0:9b334a45a8ff 149 * pin 1 from any other ports for interrupts. Please refer to the reference
bogdanm 0:9b334a45a8ff 150 * manual.
bogdanm 0:9b334a45a8ff 151 *
bogdanm 0:9b334a45a8ff 152 * @param[in] port
bogdanm 0:9b334a45a8ff 153 * The port to associate with @p pin.
bogdanm 0:9b334a45a8ff 154 *
bogdanm 0:9b334a45a8ff 155 * @param[in] pin
bogdanm 0:9b334a45a8ff 156 * The GPIO interrupt number (= port pin).
bogdanm 0:9b334a45a8ff 157 *
bogdanm 0:9b334a45a8ff 158 * @param[in] risingEdge
bogdanm 0:9b334a45a8ff 159 * Set to true if interrupts shall be enabled on rising edge, otherwise false.
bogdanm 0:9b334a45a8ff 160 *
bogdanm 0:9b334a45a8ff 161 * @param[in] fallingEdge
bogdanm 0:9b334a45a8ff 162 * Set to true if interrupts shall be enabled on falling edge, otherwise false.
bogdanm 0:9b334a45a8ff 163 *
bogdanm 0:9b334a45a8ff 164 * @param[in] enable
bogdanm 0:9b334a45a8ff 165 * Set to true if interrupt shall be enabled after configuration completed,
bogdanm 0:9b334a45a8ff 166 * false to leave disabled. See GPIO_IntDisable() and GPIO_IntEnable().
bogdanm 0:9b334a45a8ff 167 ******************************************************************************/
bogdanm 0:9b334a45a8ff 168 void GPIO_IntConfig(GPIO_Port_TypeDef port,
bogdanm 0:9b334a45a8ff 169 unsigned int pin,
bogdanm 0:9b334a45a8ff 170 bool risingEdge,
bogdanm 0:9b334a45a8ff 171 bool fallingEdge,
bogdanm 0:9b334a45a8ff 172 bool enable)
bogdanm 0:9b334a45a8ff 173 {
bogdanm 0:9b334a45a8ff 174 uint32_t tmp;
bogdanm 0:9b334a45a8ff 175
mbed_official 50:a417edff4437 176 EFM_ASSERT(GPIO_PORT_PIN_VALID(port, pin));
bogdanm 0:9b334a45a8ff 177
bogdanm 0:9b334a45a8ff 178 /* There are two registers controlling the interrupt configuration:
bogdanm 0:9b334a45a8ff 179 * The EXTIPSELL register controls pins 0-7 and EXTIPSELH controls
bogdanm 0:9b334a45a8ff 180 * pins 8-15. */
bogdanm 0:9b334a45a8ff 181 if (pin < 8)
bogdanm 0:9b334a45a8ff 182 {
mbed_official 50:a417edff4437 183 BUS_RegMaskedWrite(&GPIO->EXTIPSELL,
mbed_official 50:a417edff4437 184 0xF << (4 * pin),
mbed_official 50:a417edff4437 185 port << (4 * pin));
bogdanm 0:9b334a45a8ff 186 }
bogdanm 0:9b334a45a8ff 187 else
bogdanm 0:9b334a45a8ff 188 {
bogdanm 0:9b334a45a8ff 189 tmp = pin - 8;
mbed_official 50:a417edff4437 190 BUS_RegMaskedWrite(&GPIO->EXTIPSELH,
mbed_official 50:a417edff4437 191 0xF << (4 * tmp),
mbed_official 50:a417edff4437 192 port << (4 * tmp));
bogdanm 0:9b334a45a8ff 193 }
bogdanm 0:9b334a45a8ff 194
bogdanm 0:9b334a45a8ff 195 /* Enable/disable rising edge */
mbed_official 50:a417edff4437 196 BUS_RegBitWrite(&(GPIO->EXTIRISE), pin, risingEdge);
bogdanm 0:9b334a45a8ff 197
bogdanm 0:9b334a45a8ff 198 /* Enable/disable falling edge */
mbed_official 50:a417edff4437 199 BUS_RegBitWrite(&(GPIO->EXTIFALL), pin, fallingEdge);
bogdanm 0:9b334a45a8ff 200
bogdanm 0:9b334a45a8ff 201 /* Clear any pending interrupt */
bogdanm 0:9b334a45a8ff 202 GPIO->IFC = 1 << pin;
bogdanm 0:9b334a45a8ff 203
bogdanm 0:9b334a45a8ff 204 /* Finally enable/disable interrupt */
mbed_official 50:a417edff4437 205 BUS_RegBitWrite(&(GPIO->IEN), pin, enable);
bogdanm 0:9b334a45a8ff 206 }
bogdanm 0:9b334a45a8ff 207
bogdanm 0:9b334a45a8ff 208
bogdanm 0:9b334a45a8ff 209 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 210 * @brief
bogdanm 0:9b334a45a8ff 211 * Set the mode for a GPIO pin.
bogdanm 0:9b334a45a8ff 212 *
bogdanm 0:9b334a45a8ff 213 * @param[in] port
bogdanm 0:9b334a45a8ff 214 * The GPIO port to access.
bogdanm 0:9b334a45a8ff 215 *
bogdanm 0:9b334a45a8ff 216 * @param[in] pin
bogdanm 0:9b334a45a8ff 217 * The pin number in the port.
bogdanm 0:9b334a45a8ff 218 *
bogdanm 0:9b334a45a8ff 219 * @param[in] mode
bogdanm 0:9b334a45a8ff 220 * The desired pin mode.
bogdanm 0:9b334a45a8ff 221 *
bogdanm 0:9b334a45a8ff 222 * @param[in] out
bogdanm 0:9b334a45a8ff 223 * Value to set for pin in DOUT register. The DOUT setting is important for
bogdanm 0:9b334a45a8ff 224 * even some input mode configurations, determining pull-up/down direction.
bogdanm 0:9b334a45a8ff 225 ******************************************************************************/
bogdanm 0:9b334a45a8ff 226 void GPIO_PinModeSet(GPIO_Port_TypeDef port,
bogdanm 0:9b334a45a8ff 227 unsigned int pin,
bogdanm 0:9b334a45a8ff 228 GPIO_Mode_TypeDef mode,
bogdanm 0:9b334a45a8ff 229 unsigned int out)
bogdanm 0:9b334a45a8ff 230 {
mbed_official 50:a417edff4437 231 EFM_ASSERT(GPIO_PORT_PIN_VALID(port, pin));
bogdanm 0:9b334a45a8ff 232
bogdanm 0:9b334a45a8ff 233 /* If disabling pin, do not modify DOUT in order to reduce chance for */
bogdanm 0:9b334a45a8ff 234 /* glitch/spike (may not be sufficient precaution in all use cases) */
bogdanm 0:9b334a45a8ff 235 if (mode != gpioModeDisabled)
bogdanm 0:9b334a45a8ff 236 {
bogdanm 0:9b334a45a8ff 237 if (out)
bogdanm 0:9b334a45a8ff 238 {
mbed_official 50:a417edff4437 239 GPIO_PinOutSet(port, pin);
bogdanm 0:9b334a45a8ff 240 }
bogdanm 0:9b334a45a8ff 241 else
bogdanm 0:9b334a45a8ff 242 {
mbed_official 50:a417edff4437 243 GPIO_PinOutClear(port, pin);
bogdanm 0:9b334a45a8ff 244 }
bogdanm 0:9b334a45a8ff 245 }
bogdanm 0:9b334a45a8ff 246
bogdanm 0:9b334a45a8ff 247 /* There are two registers controlling the pins for each port. The MODEL
bogdanm 0:9b334a45a8ff 248 * register controls pins 0-7 and MODEH controls pins 8-15. */
bogdanm 0:9b334a45a8ff 249 if (pin < 8)
bogdanm 0:9b334a45a8ff 250 {
mbed_official 50:a417edff4437 251 BUS_RegMaskedWrite(&GPIO->P[port].MODEL,
mbed_official 50:a417edff4437 252 0xF << (pin * 4),
mbed_official 50:a417edff4437 253 mode << (pin * 4));
bogdanm 0:9b334a45a8ff 254 }
bogdanm 0:9b334a45a8ff 255 else
bogdanm 0:9b334a45a8ff 256 {
mbed_official 50:a417edff4437 257 BUS_RegMaskedWrite(&GPIO->P[port].MODEH,
mbed_official 50:a417edff4437 258 0xF << ((pin - 8) * 4),
mbed_official 50:a417edff4437 259 mode << ((pin - 8) * 4));
bogdanm 0:9b334a45a8ff 260 }
bogdanm 0:9b334a45a8ff 261
bogdanm 0:9b334a45a8ff 262 if (mode == gpioModeDisabled)
bogdanm 0:9b334a45a8ff 263 {
bogdanm 0:9b334a45a8ff 264 if (out)
bogdanm 0:9b334a45a8ff 265 {
mbed_official 50:a417edff4437 266 GPIO_PinOutSet(port, pin);
bogdanm 0:9b334a45a8ff 267 }
bogdanm 0:9b334a45a8ff 268 else
bogdanm 0:9b334a45a8ff 269 {
mbed_official 50:a417edff4437 270 GPIO_PinOutClear(port, pin);
bogdanm 0:9b334a45a8ff 271 }
bogdanm 0:9b334a45a8ff 272 }
bogdanm 0:9b334a45a8ff 273 }
bogdanm 0:9b334a45a8ff 274
mbed_official 50:a417edff4437 275 #if defined( _GPIO_EM4WUEN_MASK )
mbed_official 50:a417edff4437 276 /**************************************************************************//**
mbed_official 50:a417edff4437 277 * @brief
mbed_official 50:a417edff4437 278 * Enable GPIO pin wake-up from EM4. When the function exits,
mbed_official 50:a417edff4437 279 * EM4 mode can be safely entered.
mbed_official 50:a417edff4437 280 *
mbed_official 50:a417edff4437 281 * @note
mbed_official 50:a417edff4437 282 * It is assumed that the GPIO pin modes are set correctly.
mbed_official 50:a417edff4437 283 * Valid modes are @ref gpioModeInput and @ref gpioModeInputPull.
mbed_official 50:a417edff4437 284 *
mbed_official 50:a417edff4437 285 * @param[in] pinmask
mbed_official 50:a417edff4437 286 * Bitmask containing the bitwise logic OR of which GPIO pin(s) to enable.
mbed_official 50:a417edff4437 287 * Refer to Reference Manuals for pinmask to GPIO port/pin mapping.
mbed_official 50:a417edff4437 288 * @param[in] polaritymask
mbed_official 50:a417edff4437 289 * Bitmask containing the bitwise logic OR of GPIO pin(s) wake-up polarity.
mbed_official 50:a417edff4437 290 * Refer to Reference Manuals for pinmask to GPIO port/pin mapping.
mbed_official 50:a417edff4437 291 *****************************************************************************/
mbed_official 50:a417edff4437 292 void GPIO_EM4EnablePinWakeup(uint32_t pinmask, uint32_t polaritymask)
mbed_official 50:a417edff4437 293 {
mbed_official 50:a417edff4437 294 EFM_ASSERT((pinmask & ~_GPIO_EM4WUEN_MASK) == 0);
mbed_official 50:a417edff4437 295
mbed_official 50:a417edff4437 296 #if defined( _GPIO_EM4WUPOL_MASK )
mbed_official 50:a417edff4437 297 EFM_ASSERT((polaritymask & ~_GPIO_EM4WUPOL_MASK) == 0);
mbed_official 50:a417edff4437 298 GPIO->EM4WUPOL &= ~pinmask; /* Set wakeup polarity */
mbed_official 50:a417edff4437 299 GPIO->EM4WUPOL |= pinmask & polaritymask;
mbed_official 50:a417edff4437 300 #elif defined( _GPIO_EXTILEVEL_MASK )
mbed_official 50:a417edff4437 301 EFM_ASSERT((polaritymask & ~_GPIO_EXTILEVEL_MASK) == 0);
mbed_official 50:a417edff4437 302 GPIO->EXTILEVEL &= ~pinmask;
mbed_official 50:a417edff4437 303 GPIO->EXTILEVEL |= pinmask & polaritymask;
mbed_official 50:a417edff4437 304 #endif
mbed_official 50:a417edff4437 305 GPIO->EM4WUEN |= pinmask; /* Enable wakeup */
mbed_official 50:a417edff4437 306
mbed_official 50:a417edff4437 307 GPIO_EM4SetPinRetention(true); /* Enable pin retention */
mbed_official 50:a417edff4437 308
mbed_official 50:a417edff4437 309 #if defined( _GPIO_CMD_EM4WUCLR_MASK )
mbed_official 50:a417edff4437 310 GPIO->CMD = GPIO_CMD_EM4WUCLR; /* Clear wake-up logic */
mbed_official 50:a417edff4437 311 #elif defined( _GPIO_IFC_EM4WU_MASK )
mbed_official 50:a417edff4437 312 GPIO_IntClear(pinmask);
mbed_official 50:a417edff4437 313 #endif
mbed_official 50:a417edff4437 314 }
mbed_official 50:a417edff4437 315 #endif
mbed_official 50:a417edff4437 316
bogdanm 0:9b334a45a8ff 317 /** @} (end addtogroup GPIO) */
bogdanm 0:9b334a45a8ff 318 /** @} (end addtogroup EM_Library) */
bogdanm 0:9b334a45a8ff 319
bogdanm 0:9b334a45a8ff 320 #endif /* defined(GPIO_COUNT) && (GPIO_COUNT > 0) */