The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
TARGET_EFM32HG_STK3400/TARGET_Silicon_Labs/TARGET_EFM32/emlib/inc/em_gpio.h@98:8ab26030e058, 2015-04-29 (annotated)
- Committer:
- Kojto
- Date:
- Wed Apr 29 10:16:23 2015 +0100
- Revision:
- 98:8ab26030e058
- Child:
- 113:f141b2784e32
Release 98 of the mbed library
Changes:
- Silabs new targets (Giant, Zero, Happy, Leopard, Wonder Geckos)
- Asynchronous SPI, I2C, Serial
- LowPower classes
- Nordic - nordic SDK v8.0 update
- Teensy - gcc arm fix for startup
- Nucleo F411 - usb freq fix
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Kojto | 98:8ab26030e058 | 1 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 2 | * @file em_gpio.h |
Kojto | 98:8ab26030e058 | 3 | * @brief General Purpose IO (GPIO) peripheral API |
Kojto | 98:8ab26030e058 | 4 | * @version 3.20.12 |
Kojto | 98:8ab26030e058 | 5 | ******************************************************************************* |
Kojto | 98:8ab26030e058 | 6 | * @section License |
Kojto | 98:8ab26030e058 | 7 | * <b>(C) Copyright 2014 Silicon Labs, http://www.silabs.com</b> |
Kojto | 98:8ab26030e058 | 8 | ******************************************************************************* |
Kojto | 98:8ab26030e058 | 9 | * |
Kojto | 98:8ab26030e058 | 10 | * Permission is granted to anyone to use this software for any purpose, |
Kojto | 98:8ab26030e058 | 11 | * including commercial applications, and to alter it and redistribute it |
Kojto | 98:8ab26030e058 | 12 | * freely, subject to the following restrictions: |
Kojto | 98:8ab26030e058 | 13 | * |
Kojto | 98:8ab26030e058 | 14 | * 1. The origin of this software must not be misrepresented; you must not |
Kojto | 98:8ab26030e058 | 15 | * claim that you wrote the original software. |
Kojto | 98:8ab26030e058 | 16 | * 2. Altered source versions must be plainly marked as such, and must not be |
Kojto | 98:8ab26030e058 | 17 | * misrepresented as being the original software. |
Kojto | 98:8ab26030e058 | 18 | * 3. This notice may not be removed or altered from any source distribution. |
Kojto | 98:8ab26030e058 | 19 | * |
Kojto | 98:8ab26030e058 | 20 | * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no |
Kojto | 98:8ab26030e058 | 21 | * obligation to support this Software. Silicon Labs is providing the |
Kojto | 98:8ab26030e058 | 22 | * Software "AS IS", with no express or implied warranties of any kind, |
Kojto | 98:8ab26030e058 | 23 | * including, but not limited to, any implied warranties of merchantability |
Kojto | 98:8ab26030e058 | 24 | * or fitness for any particular purpose or warranties against infringement |
Kojto | 98:8ab26030e058 | 25 | * of any proprietary rights of a third party. |
Kojto | 98:8ab26030e058 | 26 | * |
Kojto | 98:8ab26030e058 | 27 | * Silicon Labs will not be liable for any consequential, incidental, or |
Kojto | 98:8ab26030e058 | 28 | * special damages, or any other relief, or for any claim by any third party, |
Kojto | 98:8ab26030e058 | 29 | * arising from your use of this Software. |
Kojto | 98:8ab26030e058 | 30 | * |
Kojto | 98:8ab26030e058 | 31 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 32 | |
Kojto | 98:8ab26030e058 | 33 | |
Kojto | 98:8ab26030e058 | 34 | #ifndef __SILICON_LABS_EM_GPIO_H_ |
Kojto | 98:8ab26030e058 | 35 | #define __SILICON_LABS_EM_GPIO_H_ |
Kojto | 98:8ab26030e058 | 36 | |
Kojto | 98:8ab26030e058 | 37 | #include "em_device.h" |
Kojto | 98:8ab26030e058 | 38 | #if defined(GPIO_COUNT) && (GPIO_COUNT > 0) |
Kojto | 98:8ab26030e058 | 39 | |
Kojto | 98:8ab26030e058 | 40 | #include <stdbool.h> |
Kojto | 98:8ab26030e058 | 41 | #include "em_bitband.h" |
Kojto | 98:8ab26030e058 | 42 | #include "em_assert.h" |
Kojto | 98:8ab26030e058 | 43 | |
Kojto | 98:8ab26030e058 | 44 | #ifdef __cplusplus |
Kojto | 98:8ab26030e058 | 45 | extern "C" { |
Kojto | 98:8ab26030e058 | 46 | #endif |
Kojto | 98:8ab26030e058 | 47 | |
Kojto | 98:8ab26030e058 | 48 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 49 | * @addtogroup EM_Library |
Kojto | 98:8ab26030e058 | 50 | * @{ |
Kojto | 98:8ab26030e058 | 51 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 52 | |
Kojto | 98:8ab26030e058 | 53 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 54 | * @addtogroup GPIO |
Kojto | 98:8ab26030e058 | 55 | * @{ |
Kojto | 98:8ab26030e058 | 56 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 57 | |
Kojto | 98:8ab26030e058 | 58 | /******************************************************************************* |
Kojto | 98:8ab26030e058 | 59 | ******************************** ENUMS ************************************ |
Kojto | 98:8ab26030e058 | 60 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 61 | |
Kojto | 98:8ab26030e058 | 62 | /** GPIO ports identificator. */ |
Kojto | 98:8ab26030e058 | 63 | typedef enum |
Kojto | 98:8ab26030e058 | 64 | { |
Kojto | 98:8ab26030e058 | 65 | gpioPortA = 0, /**< Port A */ |
Kojto | 98:8ab26030e058 | 66 | gpioPortB = 1, /**< Port B */ |
Kojto | 98:8ab26030e058 | 67 | gpioPortC = 2, /**< Port C */ |
Kojto | 98:8ab26030e058 | 68 | gpioPortD = 3, /**< Port D */ |
Kojto | 98:8ab26030e058 | 69 | gpioPortE = 4, /**< Port E */ |
Kojto | 98:8ab26030e058 | 70 | gpioPortF = 5 /**< Port F */ |
Kojto | 98:8ab26030e058 | 71 | } GPIO_Port_TypeDef; |
Kojto | 98:8ab26030e058 | 72 | |
Kojto | 98:8ab26030e058 | 73 | /** GPIO drive mode. */ |
Kojto | 98:8ab26030e058 | 74 | typedef enum |
Kojto | 98:8ab26030e058 | 75 | { |
Kojto | 98:8ab26030e058 | 76 | /** Default 6mA */ |
Kojto | 98:8ab26030e058 | 77 | gpioDriveModeStandard = GPIO_P_CTRL_DRIVEMODE_STANDARD, |
Kojto | 98:8ab26030e058 | 78 | /** 0.5 mA */ |
Kojto | 98:8ab26030e058 | 79 | gpioDriveModeLowest = GPIO_P_CTRL_DRIVEMODE_LOWEST, |
Kojto | 98:8ab26030e058 | 80 | /** 20 mA */ |
Kojto | 98:8ab26030e058 | 81 | gpioDriveModeHigh = GPIO_P_CTRL_DRIVEMODE_HIGH, |
Kojto | 98:8ab26030e058 | 82 | /** 2 mA */ |
Kojto | 98:8ab26030e058 | 83 | gpioDriveModeLow = GPIO_P_CTRL_DRIVEMODE_LOW |
Kojto | 98:8ab26030e058 | 84 | } GPIO_DriveMode_TypeDef; |
Kojto | 98:8ab26030e058 | 85 | |
Kojto | 98:8ab26030e058 | 86 | /** Pin mode. For more details on each mode, please refer to the EFM32 |
Kojto | 98:8ab26030e058 | 87 | * reference manual. */ |
Kojto | 98:8ab26030e058 | 88 | typedef enum |
Kojto | 98:8ab26030e058 | 89 | { |
Kojto | 98:8ab26030e058 | 90 | /** Input disabled. Pullup if DOUT is set. */ |
Kojto | 98:8ab26030e058 | 91 | gpioModeDisabled = _GPIO_P_MODEL_MODE0_DISABLED, |
Kojto | 98:8ab26030e058 | 92 | /** Input enabled. Filter if DOUT is set */ |
Kojto | 98:8ab26030e058 | 93 | gpioModeInput = _GPIO_P_MODEL_MODE0_INPUT, |
Kojto | 98:8ab26030e058 | 94 | /** Input enabled. DOUT determines pull direction */ |
Kojto | 98:8ab26030e058 | 95 | gpioModeInputPull = _GPIO_P_MODEL_MODE0_INPUTPULL, |
Kojto | 98:8ab26030e058 | 96 | /** Input enabled with filter. DOUT determines pull direction */ |
Kojto | 98:8ab26030e058 | 97 | gpioModeInputPullFilter = _GPIO_P_MODEL_MODE0_INPUTPULLFILTER, |
Kojto | 98:8ab26030e058 | 98 | /** Push-pull output */ |
Kojto | 98:8ab26030e058 | 99 | gpioModePushPull = _GPIO_P_MODEL_MODE0_PUSHPULL, |
Kojto | 98:8ab26030e058 | 100 | /** Push-pull output with drive-strength set by DRIVEMODE */ |
Kojto | 98:8ab26030e058 | 101 | gpioModePushPullDrive = _GPIO_P_MODEL_MODE0_PUSHPULLDRIVE, |
Kojto | 98:8ab26030e058 | 102 | /** Wired-or output */ |
Kojto | 98:8ab26030e058 | 103 | gpioModeWiredOr = _GPIO_P_MODEL_MODE0_WIREDOR, |
Kojto | 98:8ab26030e058 | 104 | /** Wired-or output with pull-down */ |
Kojto | 98:8ab26030e058 | 105 | gpioModeWiredOrPullDown = _GPIO_P_MODEL_MODE0_WIREDORPULLDOWN, |
Kojto | 98:8ab26030e058 | 106 | /** Open-drain output */ |
Kojto | 98:8ab26030e058 | 107 | gpioModeWiredAnd = _GPIO_P_MODEL_MODE0_WIREDAND, |
Kojto | 98:8ab26030e058 | 108 | /** Open-drain output with filter */ |
Kojto | 98:8ab26030e058 | 109 | gpioModeWiredAndFilter = _GPIO_P_MODEL_MODE0_WIREDANDFILTER, |
Kojto | 98:8ab26030e058 | 110 | /** Open-drain output with pullup */ |
Kojto | 98:8ab26030e058 | 111 | gpioModeWiredAndPullUp = _GPIO_P_MODEL_MODE0_WIREDANDPULLUP, |
Kojto | 98:8ab26030e058 | 112 | /** Open-drain output with filter and pullup */ |
Kojto | 98:8ab26030e058 | 113 | gpioModeWiredAndPullUpFilter = _GPIO_P_MODEL_MODE0_WIREDANDPULLUPFILTER, |
Kojto | 98:8ab26030e058 | 114 | /** Open-drain output with drive-strength set by DRIVEMODE */ |
Kojto | 98:8ab26030e058 | 115 | gpioModeWiredAndDrive = _GPIO_P_MODEL_MODE0_WIREDANDDRIVE, |
Kojto | 98:8ab26030e058 | 116 | /** Open-drain output with filter and drive-strength set by DRIVEMODE */ |
Kojto | 98:8ab26030e058 | 117 | gpioModeWiredAndDriveFilter = _GPIO_P_MODEL_MODE0_WIREDANDDRIVEFILTER, |
Kojto | 98:8ab26030e058 | 118 | /** Open-drain output with pullup and drive-strength set by DRIVEMODE */ |
Kojto | 98:8ab26030e058 | 119 | gpioModeWiredAndDrivePullUp = _GPIO_P_MODEL_MODE0_WIREDANDDRIVEPULLUP, |
Kojto | 98:8ab26030e058 | 120 | /** Open-drain output with filter, pullup and drive-strength set by DRIVEMODE */ |
Kojto | 98:8ab26030e058 | 121 | gpioModeWiredAndDrivePullUpFilter = _GPIO_P_MODEL_MODE0_WIREDANDDRIVEPULLUPFILTER |
Kojto | 98:8ab26030e058 | 122 | } GPIO_Mode_TypeDef; |
Kojto | 98:8ab26030e058 | 123 | |
Kojto | 98:8ab26030e058 | 124 | |
Kojto | 98:8ab26030e058 | 125 | /******************************************************************************* |
Kojto | 98:8ab26030e058 | 126 | ******************************* DEFINES *********************************** |
Kojto | 98:8ab26030e058 | 127 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 128 | |
Kojto | 98:8ab26030e058 | 129 | /** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */ |
Kojto | 98:8ab26030e058 | 130 | |
Kojto | 98:8ab26030e058 | 131 | /** Validation of pin typically usable in assert statements. */ |
Kojto | 98:8ab26030e058 | 132 | #define GPIO_PIN_VALID(pin) ((pin) < 16) |
Kojto | 98:8ab26030e058 | 133 | |
Kojto | 98:8ab26030e058 | 134 | /** Validation of port typically usable in assert statements. */ |
Kojto | 98:8ab26030e058 | 135 | #define GPIO_PORT_VALID(port) ((port) <= gpioPortF) |
Kojto | 98:8ab26030e058 | 136 | |
Kojto | 98:8ab26030e058 | 137 | /** @endcond */ |
Kojto | 98:8ab26030e058 | 138 | |
Kojto | 98:8ab26030e058 | 139 | |
Kojto | 98:8ab26030e058 | 140 | /******************************************************************************* |
Kojto | 98:8ab26030e058 | 141 | ***************************** PROTOTYPES ********************************** |
Kojto | 98:8ab26030e058 | 142 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 143 | |
Kojto | 98:8ab26030e058 | 144 | void GPIO_DbgLocationSet(unsigned int location); |
Kojto | 98:8ab26030e058 | 145 | |
Kojto | 98:8ab26030e058 | 146 | void GPIO_IntConfig(GPIO_Port_TypeDef port, |
Kojto | 98:8ab26030e058 | 147 | unsigned int pin, |
Kojto | 98:8ab26030e058 | 148 | bool risingEdge, |
Kojto | 98:8ab26030e058 | 149 | bool fallingEdge, |
Kojto | 98:8ab26030e058 | 150 | bool enable); |
Kojto | 98:8ab26030e058 | 151 | |
Kojto | 98:8ab26030e058 | 152 | void GPIO_PinModeSet(GPIO_Port_TypeDef port, |
Kojto | 98:8ab26030e058 | 153 | unsigned int pin, |
Kojto | 98:8ab26030e058 | 154 | GPIO_Mode_TypeDef mode, |
Kojto | 98:8ab26030e058 | 155 | unsigned int out); |
Kojto | 98:8ab26030e058 | 156 | |
Kojto | 98:8ab26030e058 | 157 | # if defined( GPIO_CTRL_EM4RET ) |
Kojto | 98:8ab26030e058 | 158 | __STATIC_INLINE void GPIO_EM4SetPinRetention(bool enable); |
Kojto | 98:8ab26030e058 | 159 | #endif |
Kojto | 98:8ab26030e058 | 160 | |
Kojto | 98:8ab26030e058 | 161 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 162 | * @brief |
Kojto | 98:8ab26030e058 | 163 | * Enable/disable serial wire clock pin. |
Kojto | 98:8ab26030e058 | 164 | * |
Kojto | 98:8ab26030e058 | 165 | * @note |
Kojto | 98:8ab26030e058 | 166 | * Disabling SWDClk will disable the debug interface, which may result in |
Kojto | 98:8ab26030e058 | 167 | * a lockout if done early in startup (before debugger is able to halt core). |
Kojto | 98:8ab26030e058 | 168 | * |
Kojto | 98:8ab26030e058 | 169 | * @param[in] enable |
Kojto | 98:8ab26030e058 | 170 | * @li false - disable serial wire clock. |
Kojto | 98:8ab26030e058 | 171 | * @li true - enable serial wire clock (default after reset). |
Kojto | 98:8ab26030e058 | 172 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 173 | __STATIC_INLINE void GPIO_DbgSWDClkEnable(bool enable) |
Kojto | 98:8ab26030e058 | 174 | { |
Kojto | 98:8ab26030e058 | 175 | BITBAND_Peripheral(&(GPIO->ROUTE), _GPIO_ROUTE_SWCLKPEN_SHIFT, (unsigned int)enable); |
Kojto | 98:8ab26030e058 | 176 | } |
Kojto | 98:8ab26030e058 | 177 | |
Kojto | 98:8ab26030e058 | 178 | |
Kojto | 98:8ab26030e058 | 179 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 180 | * @brief |
Kojto | 98:8ab26030e058 | 181 | * Enable/disable serial wire data pin. |
Kojto | 98:8ab26030e058 | 182 | * |
Kojto | 98:8ab26030e058 | 183 | * @note |
Kojto | 98:8ab26030e058 | 184 | * Disabling SWDClk will disable the debug interface, which may result in |
Kojto | 98:8ab26030e058 | 185 | * a lockout if done early in startup (before debugger is able to halt core). |
Kojto | 98:8ab26030e058 | 186 | * |
Kojto | 98:8ab26030e058 | 187 | * @param[in] enable |
Kojto | 98:8ab26030e058 | 188 | * @li false - disable serial wire data pin. |
Kojto | 98:8ab26030e058 | 189 | * @li true - enable serial wire data pin (default after reset). |
Kojto | 98:8ab26030e058 | 190 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 191 | __STATIC_INLINE void GPIO_DbgSWDIOEnable(bool enable) |
Kojto | 98:8ab26030e058 | 192 | { |
Kojto | 98:8ab26030e058 | 193 | BITBAND_Peripheral(&(GPIO->ROUTE), _GPIO_ROUTE_SWDIOPEN_SHIFT, (unsigned int)enable); |
Kojto | 98:8ab26030e058 | 194 | } |
Kojto | 98:8ab26030e058 | 195 | |
Kojto | 98:8ab26030e058 | 196 | |
Kojto | 98:8ab26030e058 | 197 | #if defined( GPIO_ROUTE_SWOPEN ) |
Kojto | 98:8ab26030e058 | 198 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 199 | * @brief |
Kojto | 98:8ab26030e058 | 200 | * Enable/Disable serial wire output pin. |
Kojto | 98:8ab26030e058 | 201 | * |
Kojto | 98:8ab26030e058 | 202 | * @note |
Kojto | 98:8ab26030e058 | 203 | * Enabling this pin is not sufficient to fully enable serial wire output |
Kojto | 98:8ab26030e058 | 204 | * which is also dependent on issues outside the GPIO module. Please refer to |
Kojto | 98:8ab26030e058 | 205 | * DBG_SWOEnable(). |
Kojto | 98:8ab26030e058 | 206 | * |
Kojto | 98:8ab26030e058 | 207 | * @param[in] enable |
Kojto | 98:8ab26030e058 | 208 | * @li false - disable serial wire viewer pin (default after reset). |
Kojto | 98:8ab26030e058 | 209 | * @li true - enable serial wire viewer pin. |
Kojto | 98:8ab26030e058 | 210 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 211 | __STATIC_INLINE void GPIO_DbgSWOEnable(bool enable) |
Kojto | 98:8ab26030e058 | 212 | { |
Kojto | 98:8ab26030e058 | 213 | BITBAND_Peripheral(&(GPIO->ROUTE), _GPIO_ROUTE_SWOPEN_SHIFT, (unsigned int)enable); |
Kojto | 98:8ab26030e058 | 214 | } |
Kojto | 98:8ab26030e058 | 215 | #endif |
Kojto | 98:8ab26030e058 | 216 | |
Kojto | 98:8ab26030e058 | 217 | void GPIO_DriveModeSet(GPIO_Port_TypeDef port, GPIO_DriveMode_TypeDef mode); |
Kojto | 98:8ab26030e058 | 218 | |
Kojto | 98:8ab26030e058 | 219 | |
Kojto | 98:8ab26030e058 | 220 | # if defined( _GPIO_EM4WUEN_MASK ) |
Kojto | 98:8ab26030e058 | 221 | /**************************************************************************//** |
Kojto | 98:8ab26030e058 | 222 | * @brief |
Kojto | 98:8ab26030e058 | 223 | * Disable GPIO pin wake-up from EM4. |
Kojto | 98:8ab26030e058 | 224 | * |
Kojto | 98:8ab26030e058 | 225 | * @param[in] pinmask |
Kojto | 98:8ab26030e058 | 226 | * Bitmask containing the bitwise logic OR of which GPIO pin(s) to disable. |
Kojto | 98:8ab26030e058 | 227 | * Refer to Reference Manuals for pinmask to GPIO port/pin mapping. |
Kojto | 98:8ab26030e058 | 228 | *****************************************************************************/ |
Kojto | 98:8ab26030e058 | 229 | __STATIC_INLINE void GPIO_EM4DisablePinWakeup(uint32_t pinmask) |
Kojto | 98:8ab26030e058 | 230 | { |
Kojto | 98:8ab26030e058 | 231 | EFM_ASSERT((pinmask & ~_GPIO_EM4WUEN_MASK) == 0); |
Kojto | 98:8ab26030e058 | 232 | |
Kojto | 98:8ab26030e058 | 233 | GPIO->EM4WUEN &= ~pinmask; |
Kojto | 98:8ab26030e058 | 234 | } |
Kojto | 98:8ab26030e058 | 235 | #endif |
Kojto | 98:8ab26030e058 | 236 | |
Kojto | 98:8ab26030e058 | 237 | |
Kojto | 98:8ab26030e058 | 238 | # if defined( _GPIO_EM4WUEN_MASK ) |
Kojto | 98:8ab26030e058 | 239 | /**************************************************************************//** |
Kojto | 98:8ab26030e058 | 240 | * @brief |
Kojto | 98:8ab26030e058 | 241 | * Enable GPIO pin wake-up from EM4. When the function exits, |
Kojto | 98:8ab26030e058 | 242 | * EM4 mode can be safely entered. |
Kojto | 98:8ab26030e058 | 243 | * |
Kojto | 98:8ab26030e058 | 244 | * @note |
Kojto | 98:8ab26030e058 | 245 | * It is assumed that the GPIO pin modes are set correctly. |
Kojto | 98:8ab26030e058 | 246 | * Valid modes are @ref gpioModeInput and @ref gpioModeInputPull. |
Kojto | 98:8ab26030e058 | 247 | * |
Kojto | 98:8ab26030e058 | 248 | * @param[in] pinmask |
Kojto | 98:8ab26030e058 | 249 | * Bitmask containing the bitwise logic OR of which GPIO pin(s) to enable. |
Kojto | 98:8ab26030e058 | 250 | * Refer to Reference Manuals for pinmask to GPIO port/pin mapping. |
Kojto | 98:8ab26030e058 | 251 | * @param[in] polaritymask |
Kojto | 98:8ab26030e058 | 252 | * Bitmask containing the bitwise logic OR of GPIO pin(s) wake-up polarity. |
Kojto | 98:8ab26030e058 | 253 | * Refer to Reference Manuals for pinmask to GPIO port/pin mapping. |
Kojto | 98:8ab26030e058 | 254 | *****************************************************************************/ |
Kojto | 98:8ab26030e058 | 255 | __STATIC_INLINE void GPIO_EM4EnablePinWakeup(uint32_t pinmask, |
Kojto | 98:8ab26030e058 | 256 | uint32_t polaritymask) |
Kojto | 98:8ab26030e058 | 257 | { |
Kojto | 98:8ab26030e058 | 258 | EFM_ASSERT((pinmask & ~_GPIO_EM4WUEN_MASK) == 0); |
Kojto | 98:8ab26030e058 | 259 | EFM_ASSERT((polaritymask & ~_GPIO_EM4WUPOL_MASK) == 0); |
Kojto | 98:8ab26030e058 | 260 | |
Kojto | 98:8ab26030e058 | 261 | GPIO->EM4WUPOL &= ~pinmask; /* Set wakeup polarity */ |
Kojto | 98:8ab26030e058 | 262 | GPIO->EM4WUPOL |= pinmask & polaritymask; |
Kojto | 98:8ab26030e058 | 263 | GPIO->EM4WUEN |= pinmask; /* Enable wakeup */ |
Kojto | 98:8ab26030e058 | 264 | |
Kojto | 98:8ab26030e058 | 265 | GPIO_EM4SetPinRetention(true); /* Enable pin retention */ |
Kojto | 98:8ab26030e058 | 266 | |
Kojto | 98:8ab26030e058 | 267 | GPIO->CMD = GPIO_CMD_EM4WUCLR; /* Clear wake-up logic */ |
Kojto | 98:8ab26030e058 | 268 | } |
Kojto | 98:8ab26030e058 | 269 | #endif |
Kojto | 98:8ab26030e058 | 270 | |
Kojto | 98:8ab26030e058 | 271 | #if defined( _GPIO_EM4WUCAUSE_MASK ) |
Kojto | 98:8ab26030e058 | 272 | /**************************************************************************//** |
Kojto | 98:8ab26030e058 | 273 | * @brief |
Kojto | 98:8ab26030e058 | 274 | * Check which GPIO pin(s) that caused a wake-up from EM4. |
Kojto | 98:8ab26030e058 | 275 | * |
Kojto | 98:8ab26030e058 | 276 | * @return |
Kojto | 98:8ab26030e058 | 277 | * Bitmask containing the bitwise logic OR of which GPIO pin(s) caused the |
Kojto | 98:8ab26030e058 | 278 | * wake-up. Refer to Reference Manuals for pinmask to GPIO port/pin mapping. |
Kojto | 98:8ab26030e058 | 279 | *****************************************************************************/ |
Kojto | 98:8ab26030e058 | 280 | __STATIC_INLINE uint32_t GPIO_EM4GetPinWakeupCause(void) |
Kojto | 98:8ab26030e058 | 281 | { |
Kojto | 98:8ab26030e058 | 282 | return GPIO->EM4WUCAUSE & _GPIO_EM4WUCAUSE_MASK; |
Kojto | 98:8ab26030e058 | 283 | } |
Kojto | 98:8ab26030e058 | 284 | #endif |
Kojto | 98:8ab26030e058 | 285 | |
Kojto | 98:8ab26030e058 | 286 | |
Kojto | 98:8ab26030e058 | 287 | # if defined( GPIO_CTRL_EM4RET ) |
Kojto | 98:8ab26030e058 | 288 | /**************************************************************************//** |
Kojto | 98:8ab26030e058 | 289 | * @brief |
Kojto | 98:8ab26030e058 | 290 | * Enable GPIO pin retention of output enable, output value, pull enable and |
Kojto | 98:8ab26030e058 | 291 | * pull direction in EM4. |
Kojto | 98:8ab26030e058 | 292 | * |
Kojto | 98:8ab26030e058 | 293 | * @param[in] enable |
Kojto | 98:8ab26030e058 | 294 | * @li true - enable EM4 pin retention. |
Kojto | 98:8ab26030e058 | 295 | * @li false - disable EM4 pin retention. |
Kojto | 98:8ab26030e058 | 296 | *****************************************************************************/ |
Kojto | 98:8ab26030e058 | 297 | __STATIC_INLINE void GPIO_EM4SetPinRetention(bool enable) |
Kojto | 98:8ab26030e058 | 298 | { |
Kojto | 98:8ab26030e058 | 299 | if (enable) |
Kojto | 98:8ab26030e058 | 300 | { |
Kojto | 98:8ab26030e058 | 301 | GPIO->CTRL |= GPIO_CTRL_EM4RET; |
Kojto | 98:8ab26030e058 | 302 | } |
Kojto | 98:8ab26030e058 | 303 | else |
Kojto | 98:8ab26030e058 | 304 | { |
Kojto | 98:8ab26030e058 | 305 | GPIO->CTRL &= ~GPIO_CTRL_EM4RET; |
Kojto | 98:8ab26030e058 | 306 | } |
Kojto | 98:8ab26030e058 | 307 | } |
Kojto | 98:8ab26030e058 | 308 | #endif |
Kojto | 98:8ab26030e058 | 309 | |
Kojto | 98:8ab26030e058 | 310 | |
Kojto | 98:8ab26030e058 | 311 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 312 | * @brief |
Kojto | 98:8ab26030e058 | 313 | * Enable/disable input sensing. |
Kojto | 98:8ab26030e058 | 314 | * |
Kojto | 98:8ab26030e058 | 315 | * @details |
Kojto | 98:8ab26030e058 | 316 | * Disabling input sensing if not used, can save some energy consumption. |
Kojto | 98:8ab26030e058 | 317 | * |
Kojto | 98:8ab26030e058 | 318 | * @param[in] val |
Kojto | 98:8ab26030e058 | 319 | * Bitwise logic OR of one or more of: |
Kojto | 98:8ab26030e058 | 320 | * @li GPIO_INSENSE_INT - interrupt input sensing. |
Kojto | 98:8ab26030e058 | 321 | * @li GPIO_INSENSE_PRS - peripheral reflex system input sensing. |
Kojto | 98:8ab26030e058 | 322 | * |
Kojto | 98:8ab26030e058 | 323 | * @param[in] mask |
Kojto | 98:8ab26030e058 | 324 | * Mask containing bitwise logic OR of bits similar as for @p val used to indicate |
Kojto | 98:8ab26030e058 | 325 | * which input sense options to disable/enable. |
Kojto | 98:8ab26030e058 | 326 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 327 | __STATIC_INLINE void GPIO_InputSenseSet(uint32_t val, uint32_t mask) |
Kojto | 98:8ab26030e058 | 328 | { |
Kojto | 98:8ab26030e058 | 329 | GPIO->INSENSE = (GPIO->INSENSE & ~mask) | (val & mask); |
Kojto | 98:8ab26030e058 | 330 | } |
Kojto | 98:8ab26030e058 | 331 | |
Kojto | 98:8ab26030e058 | 332 | |
Kojto | 98:8ab26030e058 | 333 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 334 | * @brief |
Kojto | 98:8ab26030e058 | 335 | * Clear one or more pending GPIO interrupts. |
Kojto | 98:8ab26030e058 | 336 | * |
Kojto | 98:8ab26030e058 | 337 | * @param[in] flags |
Kojto | 98:8ab26030e058 | 338 | * Bitwise logic OR of GPIO interrupt sources to clear. |
Kojto | 98:8ab26030e058 | 339 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 340 | __STATIC_INLINE void GPIO_IntClear(uint32_t flags) |
Kojto | 98:8ab26030e058 | 341 | { |
Kojto | 98:8ab26030e058 | 342 | GPIO->IFC = flags; |
Kojto | 98:8ab26030e058 | 343 | } |
Kojto | 98:8ab26030e058 | 344 | |
Kojto | 98:8ab26030e058 | 345 | |
Kojto | 98:8ab26030e058 | 346 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 347 | * @brief |
Kojto | 98:8ab26030e058 | 348 | * Disable one or more GPIO interrupts. |
Kojto | 98:8ab26030e058 | 349 | * |
Kojto | 98:8ab26030e058 | 350 | * @param[in] flags |
Kojto | 98:8ab26030e058 | 351 | * GPIO interrupt sources to disable. |
Kojto | 98:8ab26030e058 | 352 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 353 | __STATIC_INLINE void GPIO_IntDisable(uint32_t flags) |
Kojto | 98:8ab26030e058 | 354 | { |
Kojto | 98:8ab26030e058 | 355 | GPIO->IEN &= ~flags; |
Kojto | 98:8ab26030e058 | 356 | } |
Kojto | 98:8ab26030e058 | 357 | |
Kojto | 98:8ab26030e058 | 358 | |
Kojto | 98:8ab26030e058 | 359 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 360 | * @brief |
Kojto | 98:8ab26030e058 | 361 | * Enable one or more GPIO interrupts. |
Kojto | 98:8ab26030e058 | 362 | * |
Kojto | 98:8ab26030e058 | 363 | * @note |
Kojto | 98:8ab26030e058 | 364 | * Depending on the use, a pending interrupt may already be set prior to |
Kojto | 98:8ab26030e058 | 365 | * enabling the interrupt. Consider using GPIO_IntClear() prior to enabling |
Kojto | 98:8ab26030e058 | 366 | * if such a pending interrupt should be ignored. |
Kojto | 98:8ab26030e058 | 367 | * |
Kojto | 98:8ab26030e058 | 368 | * @param[in] flags |
Kojto | 98:8ab26030e058 | 369 | * GPIO interrupt sources to enable. |
Kojto | 98:8ab26030e058 | 370 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 371 | __STATIC_INLINE void GPIO_IntEnable(uint32_t flags) |
Kojto | 98:8ab26030e058 | 372 | { |
Kojto | 98:8ab26030e058 | 373 | GPIO->IEN |= flags; |
Kojto | 98:8ab26030e058 | 374 | } |
Kojto | 98:8ab26030e058 | 375 | |
Kojto | 98:8ab26030e058 | 376 | |
Kojto | 98:8ab26030e058 | 377 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 378 | * @brief |
Kojto | 98:8ab26030e058 | 379 | * Get pending GPIO interrupts. |
Kojto | 98:8ab26030e058 | 380 | * |
Kojto | 98:8ab26030e058 | 381 | * @return |
Kojto | 98:8ab26030e058 | 382 | * GPIO interrupt sources pending. |
Kojto | 98:8ab26030e058 | 383 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 384 | __STATIC_INLINE uint32_t GPIO_IntGet(void) |
Kojto | 98:8ab26030e058 | 385 | { |
Kojto | 98:8ab26030e058 | 386 | return(GPIO->IF); |
Kojto | 98:8ab26030e058 | 387 | } |
Kojto | 98:8ab26030e058 | 388 | |
Kojto | 98:8ab26030e058 | 389 | |
Kojto | 98:8ab26030e058 | 390 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 391 | * @brief |
Kojto | 98:8ab26030e058 | 392 | * Get enabled and pending GPIO interrupt flags. |
Kojto | 98:8ab26030e058 | 393 | * Useful for handling more interrupt sources in the same interrupt handler. |
Kojto | 98:8ab26030e058 | 394 | * |
Kojto | 98:8ab26030e058 | 395 | * @note |
Kojto | 98:8ab26030e058 | 396 | * Interrupt flags are not cleared by the use of this function. |
Kojto | 98:8ab26030e058 | 397 | * |
Kojto | 98:8ab26030e058 | 398 | * @return |
Kojto | 98:8ab26030e058 | 399 | * Pending and enabled GPIO interrupt sources. |
Kojto | 98:8ab26030e058 | 400 | * The return value is the bitwise AND combination of |
Kojto | 98:8ab26030e058 | 401 | * - the OR combination of enabled interrupt sources in GPIO_IEN register |
Kojto | 98:8ab26030e058 | 402 | * and |
Kojto | 98:8ab26030e058 | 403 | * - the OR combination of valid interrupt flags in GPIO_IF register. |
Kojto | 98:8ab26030e058 | 404 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 405 | __STATIC_INLINE uint32_t GPIO_IntGetEnabled(void) |
Kojto | 98:8ab26030e058 | 406 | { |
Kojto | 98:8ab26030e058 | 407 | uint32_t tmp; |
Kojto | 98:8ab26030e058 | 408 | |
Kojto | 98:8ab26030e058 | 409 | /* Store GPIO->IEN in temporary variable in order to define explicit order |
Kojto | 98:8ab26030e058 | 410 | * of volatile accesses. */ |
Kojto | 98:8ab26030e058 | 411 | tmp = GPIO->IEN; |
Kojto | 98:8ab26030e058 | 412 | |
Kojto | 98:8ab26030e058 | 413 | /* Bitwise AND of pending and enabled interrupts */ |
Kojto | 98:8ab26030e058 | 414 | return GPIO->IF & tmp; |
Kojto | 98:8ab26030e058 | 415 | } |
Kojto | 98:8ab26030e058 | 416 | |
Kojto | 98:8ab26030e058 | 417 | |
Kojto | 98:8ab26030e058 | 418 | /**************************************************************************//** |
Kojto | 98:8ab26030e058 | 419 | * @brief |
Kojto | 98:8ab26030e058 | 420 | * Set one or more pending GPIO interrupts from SW. |
Kojto | 98:8ab26030e058 | 421 | * |
Kojto | 98:8ab26030e058 | 422 | * @param[in] flags |
Kojto | 98:8ab26030e058 | 423 | * GPIO interrupt sources to set to pending. |
Kojto | 98:8ab26030e058 | 424 | *****************************************************************************/ |
Kojto | 98:8ab26030e058 | 425 | __STATIC_INLINE void GPIO_IntSet(uint32_t flags) |
Kojto | 98:8ab26030e058 | 426 | { |
Kojto | 98:8ab26030e058 | 427 | GPIO->IFS = flags; |
Kojto | 98:8ab26030e058 | 428 | } |
Kojto | 98:8ab26030e058 | 429 | |
Kojto | 98:8ab26030e058 | 430 | |
Kojto | 98:8ab26030e058 | 431 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 432 | * @brief |
Kojto | 98:8ab26030e058 | 433 | * Locks the GPIO configuration. |
Kojto | 98:8ab26030e058 | 434 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 435 | __STATIC_INLINE void GPIO_Lock(void) |
Kojto | 98:8ab26030e058 | 436 | { |
Kojto | 98:8ab26030e058 | 437 | GPIO->LOCK = GPIO_LOCK_LOCKKEY_LOCK; |
Kojto | 98:8ab26030e058 | 438 | } |
Kojto | 98:8ab26030e058 | 439 | |
Kojto | 98:8ab26030e058 | 440 | |
Kojto | 98:8ab26030e058 | 441 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 442 | * @brief |
Kojto | 98:8ab26030e058 | 443 | * Read the pad value for a single pin in a GPIO port. |
Kojto | 98:8ab26030e058 | 444 | * |
Kojto | 98:8ab26030e058 | 445 | * @param[in] port |
Kojto | 98:8ab26030e058 | 446 | * The GPIO port to access. |
Kojto | 98:8ab26030e058 | 447 | * |
Kojto | 98:8ab26030e058 | 448 | * @param[in] pin |
Kojto | 98:8ab26030e058 | 449 | * The pin number to read. |
Kojto | 98:8ab26030e058 | 450 | * |
Kojto | 98:8ab26030e058 | 451 | * @return |
Kojto | 98:8ab26030e058 | 452 | * The pin value, 0 or 1. |
Kojto | 98:8ab26030e058 | 453 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 454 | __STATIC_INLINE unsigned int GPIO_PinInGet(GPIO_Port_TypeDef port, unsigned int pin) |
Kojto | 98:8ab26030e058 | 455 | { |
Kojto | 98:8ab26030e058 | 456 | EFM_ASSERT(GPIO_PORT_VALID(port) && GPIO_PIN_VALID(pin)); |
Kojto | 98:8ab26030e058 | 457 | |
Kojto | 98:8ab26030e058 | 458 | return((unsigned int)((GPIO->P[port].DIN >> pin) & 0x1)); |
Kojto | 98:8ab26030e058 | 459 | } |
Kojto | 98:8ab26030e058 | 460 | |
Kojto | 98:8ab26030e058 | 461 | |
Kojto | 98:8ab26030e058 | 462 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 463 | * @brief |
Kojto | 98:8ab26030e058 | 464 | * Set a single pin in GPIO data out port register to 0. |
Kojto | 98:8ab26030e058 | 465 | * |
Kojto | 98:8ab26030e058 | 466 | * @note |
Kojto | 98:8ab26030e058 | 467 | * In order for the setting to take effect on the output pad, the pin must |
Kojto | 98:8ab26030e058 | 468 | * have been configured properly. If not, it will take effect whenever the |
Kojto | 98:8ab26030e058 | 469 | * pin has been properly configured. |
Kojto | 98:8ab26030e058 | 470 | * |
Kojto | 98:8ab26030e058 | 471 | * @param[in] port |
Kojto | 98:8ab26030e058 | 472 | * The GPIO port to access. |
Kojto | 98:8ab26030e058 | 473 | * |
Kojto | 98:8ab26030e058 | 474 | * @param[in] pin |
Kojto | 98:8ab26030e058 | 475 | * The pin to set. |
Kojto | 98:8ab26030e058 | 476 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 477 | __STATIC_INLINE void GPIO_PinOutClear(GPIO_Port_TypeDef port, unsigned int pin) |
Kojto | 98:8ab26030e058 | 478 | { |
Kojto | 98:8ab26030e058 | 479 | EFM_ASSERT(GPIO_PORT_VALID(port) && GPIO_PIN_VALID(pin)); |
Kojto | 98:8ab26030e058 | 480 | |
Kojto | 98:8ab26030e058 | 481 | GPIO->P[port].DOUTCLR = 1 << pin; |
Kojto | 98:8ab26030e058 | 482 | } |
Kojto | 98:8ab26030e058 | 483 | |
Kojto | 98:8ab26030e058 | 484 | |
Kojto | 98:8ab26030e058 | 485 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 486 | * @brief |
Kojto | 98:8ab26030e058 | 487 | * Get current setting for a pin in a GPIO port data out register. |
Kojto | 98:8ab26030e058 | 488 | * |
Kojto | 98:8ab26030e058 | 489 | * @param[in] port |
Kojto | 98:8ab26030e058 | 490 | * The GPIO port to access. |
Kojto | 98:8ab26030e058 | 491 | * |
Kojto | 98:8ab26030e058 | 492 | * @param[in] pin |
Kojto | 98:8ab26030e058 | 493 | * The pin to get setting for. |
Kojto | 98:8ab26030e058 | 494 | * |
Kojto | 98:8ab26030e058 | 495 | * @return |
Kojto | 98:8ab26030e058 | 496 | * The DOUT setting for the requested pin, 0 or 1. |
Kojto | 98:8ab26030e058 | 497 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 498 | __STATIC_INLINE unsigned int GPIO_PinOutGet(GPIO_Port_TypeDef port, unsigned int pin) |
Kojto | 98:8ab26030e058 | 499 | { |
Kojto | 98:8ab26030e058 | 500 | EFM_ASSERT(GPIO_PORT_VALID(port) && GPIO_PIN_VALID(pin)); |
Kojto | 98:8ab26030e058 | 501 | |
Kojto | 98:8ab26030e058 | 502 | return((unsigned int)((GPIO->P[port].DOUT >> pin) & 0x1)); |
Kojto | 98:8ab26030e058 | 503 | } |
Kojto | 98:8ab26030e058 | 504 | |
Kojto | 98:8ab26030e058 | 505 | |
Kojto | 98:8ab26030e058 | 506 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 507 | * @brief |
Kojto | 98:8ab26030e058 | 508 | * Set a single pin in GPIO data out register to 1. |
Kojto | 98:8ab26030e058 | 509 | * |
Kojto | 98:8ab26030e058 | 510 | * @note |
Kojto | 98:8ab26030e058 | 511 | * In order for the setting to take effect on the output pad, the pin must |
Kojto | 98:8ab26030e058 | 512 | * have been configured properly. If not, it will take effect whenever the |
Kojto | 98:8ab26030e058 | 513 | * pin has been properly configured. |
Kojto | 98:8ab26030e058 | 514 | * |
Kojto | 98:8ab26030e058 | 515 | * @param[in] port |
Kojto | 98:8ab26030e058 | 516 | * The GPIO port to access. |
Kojto | 98:8ab26030e058 | 517 | * |
Kojto | 98:8ab26030e058 | 518 | * @param[in] pin |
Kojto | 98:8ab26030e058 | 519 | * The pin to set. |
Kojto | 98:8ab26030e058 | 520 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 521 | __STATIC_INLINE void GPIO_PinOutSet(GPIO_Port_TypeDef port, unsigned int pin) |
Kojto | 98:8ab26030e058 | 522 | { |
Kojto | 98:8ab26030e058 | 523 | EFM_ASSERT(GPIO_PORT_VALID(port) && GPIO_PIN_VALID(pin)); |
Kojto | 98:8ab26030e058 | 524 | |
Kojto | 98:8ab26030e058 | 525 | GPIO->P[port].DOUTSET = 1 << pin; |
Kojto | 98:8ab26030e058 | 526 | } |
Kojto | 98:8ab26030e058 | 527 | |
Kojto | 98:8ab26030e058 | 528 | |
Kojto | 98:8ab26030e058 | 529 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 530 | * @brief |
Kojto | 98:8ab26030e058 | 531 | * Toggle a single pin in GPIO port data out register. |
Kojto | 98:8ab26030e058 | 532 | * |
Kojto | 98:8ab26030e058 | 533 | * @note |
Kojto | 98:8ab26030e058 | 534 | * In order for the setting to take effect on the output pad, the pin must |
Kojto | 98:8ab26030e058 | 535 | * have been configured properly. If not, it will take effect whenever the |
Kojto | 98:8ab26030e058 | 536 | * pin has been properly configured. |
Kojto | 98:8ab26030e058 | 537 | * |
Kojto | 98:8ab26030e058 | 538 | * @param[in] port |
Kojto | 98:8ab26030e058 | 539 | * The GPIO port to access. |
Kojto | 98:8ab26030e058 | 540 | * |
Kojto | 98:8ab26030e058 | 541 | * @param[in] pin |
Kojto | 98:8ab26030e058 | 542 | * The pin to toggle. |
Kojto | 98:8ab26030e058 | 543 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 544 | __STATIC_INLINE void GPIO_PinOutToggle(GPIO_Port_TypeDef port, unsigned int pin) |
Kojto | 98:8ab26030e058 | 545 | { |
Kojto | 98:8ab26030e058 | 546 | EFM_ASSERT(GPIO_PORT_VALID(port) && GPIO_PIN_VALID(pin)); |
Kojto | 98:8ab26030e058 | 547 | |
Kojto | 98:8ab26030e058 | 548 | GPIO->P[port].DOUTTGL = 1 << pin; |
Kojto | 98:8ab26030e058 | 549 | } |
Kojto | 98:8ab26030e058 | 550 | |
Kojto | 98:8ab26030e058 | 551 | |
Kojto | 98:8ab26030e058 | 552 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 553 | * @brief |
Kojto | 98:8ab26030e058 | 554 | * Read the pad values for GPIO port. |
Kojto | 98:8ab26030e058 | 555 | * |
Kojto | 98:8ab26030e058 | 556 | * @param[in] port |
Kojto | 98:8ab26030e058 | 557 | * The GPIO port to access. |
Kojto | 98:8ab26030e058 | 558 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 559 | __STATIC_INLINE uint32_t GPIO_PortInGet(GPIO_Port_TypeDef port) |
Kojto | 98:8ab26030e058 | 560 | { |
Kojto | 98:8ab26030e058 | 561 | EFM_ASSERT(GPIO_PORT_VALID(port)); |
Kojto | 98:8ab26030e058 | 562 | |
Kojto | 98:8ab26030e058 | 563 | return(GPIO->P[port].DIN & _GPIO_P_DIN_DIN_MASK); |
Kojto | 98:8ab26030e058 | 564 | } |
Kojto | 98:8ab26030e058 | 565 | |
Kojto | 98:8ab26030e058 | 566 | |
Kojto | 98:8ab26030e058 | 567 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 568 | * @brief |
Kojto | 98:8ab26030e058 | 569 | * Set bits in DOUT register for a port to 0. |
Kojto | 98:8ab26030e058 | 570 | * |
Kojto | 98:8ab26030e058 | 571 | * @note |
Kojto | 98:8ab26030e058 | 572 | * In order for the setting to take effect on the output pad, the pin must |
Kojto | 98:8ab26030e058 | 573 | * have been configured properly. If not, it will take effect whenever the |
Kojto | 98:8ab26030e058 | 574 | * pin has been properly configured. |
Kojto | 98:8ab26030e058 | 575 | * |
Kojto | 98:8ab26030e058 | 576 | * @param[in] port |
Kojto | 98:8ab26030e058 | 577 | * The GPIO port to access. |
Kojto | 98:8ab26030e058 | 578 | * |
Kojto | 98:8ab26030e058 | 579 | * @param[in] pins |
Kojto | 98:8ab26030e058 | 580 | * Bit mask for bits to clear in DOUT register. |
Kojto | 98:8ab26030e058 | 581 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 582 | __STATIC_INLINE void GPIO_PortOutClear(GPIO_Port_TypeDef port, uint32_t pins) |
Kojto | 98:8ab26030e058 | 583 | { |
Kojto | 98:8ab26030e058 | 584 | EFM_ASSERT(GPIO_PORT_VALID(port)); |
Kojto | 98:8ab26030e058 | 585 | |
Kojto | 98:8ab26030e058 | 586 | GPIO->P[port].DOUTCLR = pins & _GPIO_P_DOUTCLR_DOUTCLR_MASK; |
Kojto | 98:8ab26030e058 | 587 | } |
Kojto | 98:8ab26030e058 | 588 | |
Kojto | 98:8ab26030e058 | 589 | |
Kojto | 98:8ab26030e058 | 590 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 591 | * @brief |
Kojto | 98:8ab26030e058 | 592 | * Get current setting for a GPIO port data out register. |
Kojto | 98:8ab26030e058 | 593 | * |
Kojto | 98:8ab26030e058 | 594 | * @param[in] port |
Kojto | 98:8ab26030e058 | 595 | * The GPIO port to access. |
Kojto | 98:8ab26030e058 | 596 | * |
Kojto | 98:8ab26030e058 | 597 | * @return |
Kojto | 98:8ab26030e058 | 598 | * The data out setting for the requested port. |
Kojto | 98:8ab26030e058 | 599 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 600 | __STATIC_INLINE uint32_t GPIO_PortOutGet(GPIO_Port_TypeDef port) |
Kojto | 98:8ab26030e058 | 601 | { |
Kojto | 98:8ab26030e058 | 602 | EFM_ASSERT(GPIO_PORT_VALID(port)); |
Kojto | 98:8ab26030e058 | 603 | |
Kojto | 98:8ab26030e058 | 604 | return(GPIO->P[port].DOUT & _GPIO_P_DOUT_DOUT_MASK); |
Kojto | 98:8ab26030e058 | 605 | } |
Kojto | 98:8ab26030e058 | 606 | |
Kojto | 98:8ab26030e058 | 607 | |
Kojto | 98:8ab26030e058 | 608 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 609 | * @brief |
Kojto | 98:8ab26030e058 | 610 | * Set bits GPIO data out register to 1. |
Kojto | 98:8ab26030e058 | 611 | * |
Kojto | 98:8ab26030e058 | 612 | * @note |
Kojto | 98:8ab26030e058 | 613 | * In order for the setting to take effect on the respective output pads, the |
Kojto | 98:8ab26030e058 | 614 | * pins must have been configured properly. If not, it will take effect |
Kojto | 98:8ab26030e058 | 615 | * whenever the pin has been properly configured. |
Kojto | 98:8ab26030e058 | 616 | * |
Kojto | 98:8ab26030e058 | 617 | * @param[in] port |
Kojto | 98:8ab26030e058 | 618 | * The GPIO port to access. |
Kojto | 98:8ab26030e058 | 619 | * |
Kojto | 98:8ab26030e058 | 620 | * @param[in] pins |
Kojto | 98:8ab26030e058 | 621 | * Bit mask for bits to set to 1 in DOUT register. |
Kojto | 98:8ab26030e058 | 622 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 623 | __STATIC_INLINE void GPIO_PortOutSet(GPIO_Port_TypeDef port, uint32_t pins) |
Kojto | 98:8ab26030e058 | 624 | { |
Kojto | 98:8ab26030e058 | 625 | EFM_ASSERT(GPIO_PORT_VALID(port)); |
Kojto | 98:8ab26030e058 | 626 | |
Kojto | 98:8ab26030e058 | 627 | GPIO->P[port].DOUTSET = pins & _GPIO_P_DOUTSET_DOUTSET_MASK; |
Kojto | 98:8ab26030e058 | 628 | } |
Kojto | 98:8ab26030e058 | 629 | |
Kojto | 98:8ab26030e058 | 630 | |
Kojto | 98:8ab26030e058 | 631 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 632 | * @brief |
Kojto | 98:8ab26030e058 | 633 | * Set GPIO port data out register. |
Kojto | 98:8ab26030e058 | 634 | * |
Kojto | 98:8ab26030e058 | 635 | * @note |
Kojto | 98:8ab26030e058 | 636 | * In order for the setting to take effect on the respective output pads, the |
Kojto | 98:8ab26030e058 | 637 | * pins must have been configured properly. If not, it will take effect |
Kojto | 98:8ab26030e058 | 638 | * whenever the pin has been properly configured. |
Kojto | 98:8ab26030e058 | 639 | * |
Kojto | 98:8ab26030e058 | 640 | * @param[in] port |
Kojto | 98:8ab26030e058 | 641 | * The GPIO port to access. |
Kojto | 98:8ab26030e058 | 642 | * |
Kojto | 98:8ab26030e058 | 643 | * @param[in] val |
Kojto | 98:8ab26030e058 | 644 | * Value to write to port data out register. |
Kojto | 98:8ab26030e058 | 645 | * |
Kojto | 98:8ab26030e058 | 646 | * @param[in] mask |
Kojto | 98:8ab26030e058 | 647 | * Mask indicating which bits to modify. |
Kojto | 98:8ab26030e058 | 648 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 649 | __STATIC_INLINE void GPIO_PortOutSetVal(GPIO_Port_TypeDef port, uint32_t val, uint32_t mask) |
Kojto | 98:8ab26030e058 | 650 | { |
Kojto | 98:8ab26030e058 | 651 | EFM_ASSERT(GPIO_PORT_VALID(port)); |
Kojto | 98:8ab26030e058 | 652 | |
Kojto | 98:8ab26030e058 | 653 | GPIO->P[port].DOUT = (GPIO->P[port].DOUT & ~mask) | (val & mask); |
Kojto | 98:8ab26030e058 | 654 | } |
Kojto | 98:8ab26030e058 | 655 | |
Kojto | 98:8ab26030e058 | 656 | |
Kojto | 98:8ab26030e058 | 657 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 658 | * @brief |
Kojto | 98:8ab26030e058 | 659 | * Toggle a single pin in GPIO port data out register. |
Kojto | 98:8ab26030e058 | 660 | * |
Kojto | 98:8ab26030e058 | 661 | * @note |
Kojto | 98:8ab26030e058 | 662 | * In order for the setting to take effect on the output pad, the pin must |
Kojto | 98:8ab26030e058 | 663 | * have been configured properly. If not, it will take effect whenever the |
Kojto | 98:8ab26030e058 | 664 | * pin has been properly configured. |
Kojto | 98:8ab26030e058 | 665 | * |
Kojto | 98:8ab26030e058 | 666 | * @param[in] port |
Kojto | 98:8ab26030e058 | 667 | * The GPIO port to access. |
Kojto | 98:8ab26030e058 | 668 | * |
Kojto | 98:8ab26030e058 | 669 | * @param[in] pins |
Kojto | 98:8ab26030e058 | 670 | * Bitmask with pins to toggle. |
Kojto | 98:8ab26030e058 | 671 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 672 | __STATIC_INLINE void GPIO_PortOutToggle(GPIO_Port_TypeDef port, uint32_t pins) |
Kojto | 98:8ab26030e058 | 673 | { |
Kojto | 98:8ab26030e058 | 674 | EFM_ASSERT(GPIO_PORT_VALID(port)); |
Kojto | 98:8ab26030e058 | 675 | |
Kojto | 98:8ab26030e058 | 676 | GPIO->P[port].DOUTTGL = pins & _GPIO_P_DOUTTGL_DOUTTGL_MASK; |
Kojto | 98:8ab26030e058 | 677 | } |
Kojto | 98:8ab26030e058 | 678 | |
Kojto | 98:8ab26030e058 | 679 | |
Kojto | 98:8ab26030e058 | 680 | /***************************************************************************//** |
Kojto | 98:8ab26030e058 | 681 | * @brief |
Kojto | 98:8ab26030e058 | 682 | * Unlocks the GPIO configuration. |
Kojto | 98:8ab26030e058 | 683 | ******************************************************************************/ |
Kojto | 98:8ab26030e058 | 684 | __STATIC_INLINE void GPIO_Unlock(void) |
Kojto | 98:8ab26030e058 | 685 | { |
Kojto | 98:8ab26030e058 | 686 | GPIO->LOCK = GPIO_LOCK_LOCKKEY_UNLOCK; |
Kojto | 98:8ab26030e058 | 687 | } |
Kojto | 98:8ab26030e058 | 688 | |
Kojto | 98:8ab26030e058 | 689 | |
Kojto | 98:8ab26030e058 | 690 | /** @} (end addtogroup GPIO) */ |
Kojto | 98:8ab26030e058 | 691 | /** @} (end addtogroup EM_Library) */ |
Kojto | 98:8ab26030e058 | 692 | |
Kojto | 98:8ab26030e058 | 693 | #ifdef __cplusplus |
Kojto | 98:8ab26030e058 | 694 | } |
Kojto | 98:8ab26030e058 | 695 | #endif |
Kojto | 98:8ab26030e058 | 696 | |
Kojto | 98:8ab26030e058 | 697 | #endif /* defined(GPIO_COUNT) && (GPIO_COUNT > 0) */ |
Kojto | 98:8ab26030e058 | 698 | #endif /* __SILICON_LABS_EM_GPIO_H_ */ |