diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/altera-cyclone-v/hwlib/include/alt_generalpurpose_io.h')
| -rw-r--r-- | c/src/lib/libbsp/arm/altera-cyclone-v/hwlib/include/alt_generalpurpose_io.h | 246 |
1 files changed, 132 insertions, 114 deletions
diff --git a/c/src/lib/libbsp/arm/altera-cyclone-v/hwlib/include/alt_generalpurpose_io.h b/c/src/lib/libbsp/arm/altera-cyclone-v/hwlib/include/alt_generalpurpose_io.h index d8a38f5347..0a7abaef8e 100644 --- a/c/src/lib/libbsp/arm/altera-cyclone-v/hwlib/include/alt_generalpurpose_io.h +++ b/c/src/lib/libbsp/arm/altera-cyclone-v/hwlib/include/alt_generalpurpose_io.h @@ -5,20 +5,20 @@ /****************************************************************************** * * Copyright 2013 Altera Corporation. All Rights Reserved. -* +* * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: -* +* * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. -* +* * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. -* +* * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. -* +* * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED. IN NO @@ -29,7 +29,7 @@ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. -* +* ******************************************************************************/ #ifndef __ALT_GPIO_H__ @@ -57,8 +57,8 @@ extern "C" { /******************************************************************************/ /*! \addtogroup ALT_GPIO_API The General Purpose Input/Output Manager API * - * This module defines the General Purpose Input/Output Manager API for - * accessing, configuring, and controlling the General Purpose Input/Output + * This module defines the General Purpose Input/Output Manager API for + * accessing, configuring, and controlling the General Purpose Input/Output * Manager resources. These include both the general-purpose GPIO signals and * the input-only GPI signals that are shared with the DDR interface.\n \n * The GPIO API presents two views or perspectives of the GPIO signals. The first @@ -100,7 +100,7 @@ extern "C" { */ /******************************************************************************/ /*! - * This type definition enumerates the data direction (input or output) of + * This type definition enumerates the data direction (input or output) of * the GPIO signals. */ @@ -114,7 +114,7 @@ typedef enum ALT_GPIO_PIN_DIR_e /******************************************************************************/ /*! - * This type definition enumerates the type of interrupt source + * This type definition enumerates the type of interrupt source * (level-triggered or edge-triggered) of the GPIO signals. */ @@ -128,7 +128,7 @@ typedef enum ALT_GPIO_PIN_TYPE_e /******************************************************************************/ /*! - * This type definition enumerates the polarity of the interrupt sources + * This type definition enumerates the polarity of the interrupt sources * (falling-edge or rising-edge for edge-triggered interrupts, active-low or * active-high for level-triggered interrupts) of the GPIO signals. */ @@ -193,7 +193,7 @@ typedef enum ALT_GPIO_PIN_DATA_e /******************************************************************************/ /*! - * This type definition enumerates the GPIO ports that the GPIO manager + * This type definition enumerates the GPIO ports that the GPIO manager * handles. */ @@ -208,7 +208,7 @@ typedef enum ALT_GPIO_PORT_e * \b Port \b B - 29-bit GPIO port B. */ ALT_GPIO_PORTB, - + /*! * \b Port \b C - 29-bit GPIO port C. \n 13 bits are used for GPIO signals, * 14 bits are used for GPI-only signals that are shared @@ -224,12 +224,12 @@ typedef enum ALT_GPIO_PORT_e ALT_GPIO_PORT_UNKNOWN } ALT_GPIO_PORT_t; - + /******************************************************************************/ /*! * This type definition enumerates the individual bits within the GPIO ports - * used by the GPIO manager. The bit-ordering must match the hardware - * bit-ordering. Since the ordering and packing of bitfields is not + * used by the GPIO manager. The bit-ordering must match the hardware + * bit-ordering. Since the ordering and packing of bitfields is not * standardized in C/C++, the following are defined as masks. \n * For example, to set bits 3 and 4 of GPIO port B outputs (assuming the bits * had previously been set to outputs), the user could use the syntax: \par @@ -310,20 +310,38 @@ typedef enum ALT_GPIO_PORTBIT_e /******************************************************************************/ /*! - * Sets the specified GPIO data bits to use the data direction(s) + * Initialize the GPIO modules before use + * + * \retval ALT_E_SUCCESS The operation was successful. + * \retval ALT_E_ERROR The operation failed. + */ +ALT_STATUS_CODE alt_gpio_init(void); + +/******************************************************************************/ +/*! + * Uninitialize the GPIO modules & return to reset state + * + * \retval ALT_E_SUCCESS The operation was successful. + * \retval ALT_E_ERROR The operation failed. + */ +ALT_STATUS_CODE alt_gpio_uninit(void); + +/******************************************************************************/ +/*! + * Sets the specified GPIO data bits to use the data direction(s) * specified. * * * \param gpio_pid * The GPIO port identifier. * \param mask - * The group of bits (where mask bits equal one) to apply this - * operation to. Other bits (where mask bits equal zero) are + * The group of bits (where mask bits equal one) to apply this + * operation to. Other bits (where mask bits equal zero) are * not changed. Specify mask = ALT_GPIO_BITMASK (0x1FFFFFFF) to * configure all data direction bits of the port. * \param config * The data-directions of the bits to be set in this operation. - * Individual bits are: \n \b 0 - Use as an input (default). \n + * Individual bits are: \n \b 0 - Use as an input (default). \n * \b 1 - Use as an output. * * \retval ALT_E_SUCCESS The operation was successful. @@ -335,18 +353,18 @@ ALT_STATUS_CODE alt_gpio_port_datadir_set(ALT_GPIO_PORT_t gpio_pid, /******************************************************************************/ /*! - * Returns the data direction configuration of selected bits of the + * Returns the data direction configuration of selected bits of the * specified GPIO module. * * \param gpio_pid * The GPIO port identifier. * \param mask * The group of bits (where mask bits equal one) to read and - * return. Other bits (where mask bits equal zero) are returned + * return. Other bits (where mask bits equal zero) are returned * as zero. Specify mask = ALT_GPIO_BITMASK (0x1FFFFFFF) to * return all data direction bits of the port. * - * \retval uint32_t \n Individual bits are: \n \b 0 - The signal is + * \retval uint32_t \n Individual bits are: \n \b 0 - The signal is * configured as an input. * \n \b 1 - The signal is configured as an output. * @@ -367,7 +385,7 @@ uint32_t alt_gpio_port_datadir_get(ALT_GPIO_PORT_t gpio_pid, * operation to. Other bits (mask bits equal zero) are * not changed. * \param val - * The 32-bit word to write to the GPIO outputs. Only the 29 LSBs + * The 32-bit word to write to the GPIO outputs. Only the 29 LSBs * are used. Setting the three MSBs causes an error. * * \retval ALT_E_SUCCESS The operation was successful. @@ -387,8 +405,8 @@ ALT_STATUS_CODE alt_gpio_port_data_write(ALT_GPIO_PORT_t gpio_pid, * \param gpio_pid * The GPIO port identifier. * \param mask - * The group of bits (where mask bits equal one) to return. Other - * bits (where mask bits equal zero) are returned as zero. Specify + * The group of bits (where mask bits equal one) to return. Other + * bits (where mask bits equal zero) are returned as zero. Specify * mask = ALT_GPIO_BITMASK (0x1FFFFFFF) to return all data bits of * the port. * @@ -408,21 +426,21 @@ uint32_t alt_gpio_port_data_read(ALT_GPIO_PORT_t gpio_pid, uint32_t mask); */ /******************************************************************************/ /*! - * Sets edge-triggered or level-triggered interrupt configuration for the + * Sets edge-triggered or level-triggered interrupt configuration for the * specified signals of the specified GPIO module. * * * \param gpio_pid * The GPIO port identifier. * \param mask - * The group of bits (where mask bits equal one) to apply this + * The group of bits (where mask bits equal one) to apply this * operation to. Other bits (where mask bits equal zero) are * not changed. Specify mask = ALT_GPIO_BITMASK (0x1FFFFFFF) to * configure all interrupt type bits of the port. * \param config - * The interrupt configuration to write. Individual bits - * are: \n \b 0 - Set the - * interrupt for this bit to be level-sensitive (default). \n \b + * The interrupt configuration to write. Individual bits + * are: \n \b 0 - Set the + * interrupt for this bit to be level-sensitive (default). \n \b * 1 - Set the interrupt for this bit to be edge-sensitive. * * \retval ALT_E_SUCCESS The operation was successful. @@ -434,20 +452,20 @@ ALT_STATUS_CODE alt_gpio_port_int_type_set(ALT_GPIO_PORT_t gpio_pid, /******************************************************************************/ /*! - * Returns the interrupt configuration (edge-triggered or level-triggered) for - * the specified bits of the specified GPIO module. + * Returns the interrupt configuration (edge-triggered or level-triggered) for + * the specified bits of the specified GPIO module. * * \param gpio_pid * The GPIO port identifier. * \param mask - * The group of bits (where mask bits equal one) to return. Other - * bits (where mask bits equal zero) are returned as zero. Specify + * The group of bits (where mask bits equal one) to return. Other + * bits (where mask bits equal zero) are returned as zero. Specify * mask = ALT_GPIO_BITMASK (0x1FFFFFFF) to return all configuration * bits of the port. * \retval uint32_t - * The current interrupt source configuration. Individual bits - * are: \n \b 0 - The interrupt for this bit is set to be - * level-sensitive. \n \b 1 - + * The current interrupt source configuration. Individual bits + * are: \n \b 0 - The interrupt for this bit is set to be + * level-sensitive. \n \b 1 - * The interrupt for this bit is set to be edge-sensitive. * */ @@ -463,12 +481,12 @@ uint32_t alt_gpio_port_int_type_get(ALT_GPIO_PORT_t gpio_pid, * \param gpio_pid * The GPIO port identifier. * \param mask - * The group of bits (where mask bits equal one) to apply this + * The group of bits (where mask bits equal one) to apply this * operation to. Other bits (where mask bits equal zero) are * not changed. * \param config - * The interrupt polarity configuration to set. Individual bits - * are: \n \b 0 - Set the interrupt polarity for this bit to + * The interrupt polarity configuration to set. Individual bits + * are: \n \b 0 - Set the interrupt polarity for this bit to * active-low or falling-edge mode (default). \n \b 1 - Set the * interrupt polarity for this bit to active-high or rising-edge mode. * @@ -481,21 +499,21 @@ ALT_STATUS_CODE alt_gpio_port_int_pol_set(ALT_GPIO_PORT_t gpio_pid, /******************************************************************************/ /*! - * Returns the active-high or active-low polarity configuration for the + * Returns the active-high or active-low polarity configuration for the * possible interrupt sources of the specified GPIO module. * * * \param gpio_pid * The GPIO port identifier. * \param mask - * The group of bits (where mask bits equal one) to return. Other - * bits (where mask bits equal zero) are returned as zero. Specify + * The group of bits (where mask bits equal one) to return. Other + * bits (where mask bits equal zero) are returned as zero. Specify * mask = ALT_GPIO_BITMASK (0x1FFFFFFF) to return all the * configuration bits of the port. - * + * * \retval uint32_t - * The current polarity configuration. Individual bits are: \n - * \b 0 = The interrupt polarity for this bit is set to + * The current polarity configuration. Individual bits are: \n + * \b 0 = The interrupt polarity for this bit is set to * active-low or falling-edge mode. \n \b 1 = The interrupt * polarity for this bit is set to active-high or rising-edge mode. * @@ -512,7 +530,7 @@ uint32_t alt_gpio_port_int_pol_get(ALT_GPIO_PORT_t gpio_pid, */ /******************************************************************************/ /*! - * Sets the debounce configuration for input signals of the specified GPIO + * Sets the debounce configuration for input signals of the specified GPIO * module. If debounce is selected, metastability flip-flops are inserted to * debounce signals presented to the GPIO inputs. A signal must be steady for * two periods of the gpio_db_clk clock before it is considered valid. The @@ -521,13 +539,13 @@ uint32_t alt_gpio_port_int_pol_get(ALT_GPIO_PORT_t gpio_pid, * \param gpio_pid * The GPIO port identifier. * \param mask - * The group of bits (where mask bits equal one) to apply this + * The group of bits (where mask bits equal one) to apply this * operation to. Other bits (where mask bits equal zero) are * not changed. Specify mask = ALT_GPIO_BITMASK (0x1FFFFFFF) to * configure the debounce setting for all bits of the port. * \param config * The debounce configuration to set. Individual bits are: \n - * \b 0 - Debounce is not selected for this signal (default). \n + * \b 0 - Debounce is not selected for this signal (default). \n * \b 1 - Debounce is selected for this signal. * * \retval ALT_E_SUCCESS The operation was successful. @@ -546,14 +564,14 @@ ALT_STATUS_CODE alt_gpio_port_debounce_set(ALT_GPIO_PORT_t gpio_pid, * \param gpio_pid * The GPIO port identifier. * \param mask - * The group of bits (where mask bits equal one) to return. Other - * bits (where mask bits equal zero) are returned as zero. Specify + * The group of bits (where mask bits equal one) to return. Other + * bits (where mask bits equal zero) are returned as zero. Specify * mask = ALT_GPIO_BITMASK (0x1FFFFFFF) to return all debounce * configuration bits of the port. - * + * * \retval uint32_t - * The current debounce configuration.Individual bits are: \n - * \b 0 - Debounce is not selected for this signal. \n \b 1 - + * The current debounce configuration.Individual bits are: \n + * \b 0 - Debounce is not selected for this signal. \n \b 1 - * Debounce is selected for this signal. * */ @@ -562,8 +580,8 @@ uint32_t alt_gpio_port_debounce_get(ALT_GPIO_PORT_t gpio_pid, /******************************************************************************/ /*! - * Sets the synchronization configuration for the signals of the specified - * GPIO register. This allows for synchronizing level-sensitive interrupts to + * Sets the synchronization configuration for the signals of the specified + * GPIO register. This allows for synchronizing level-sensitive interrupts to * an internal clock signal. This is a port-wide option that controls all * level-sensitive interrupt signals of that GPIO port. * @@ -572,7 +590,7 @@ uint32_t alt_gpio_port_debounce_get(ALT_GPIO_PORT_t gpio_pid, * \param config * \n \b Any \b non-zero \b value - Synchronize to internal clock signal. * \n \b Zero - Do not synchronize to internal clock signal. - * + * * * \retval ALT_E_SUCCESS The operation was successful. * \retval ALT_E_ERROR The operation failed. @@ -584,8 +602,8 @@ ALT_STATUS_CODE alt_gpio_port_sync_set(ALT_GPIO_PORT_t gpio_pid, /******************************************************************************/ /*! * - * Returns the synchronization configuration for the signals of the - * specified GPIO register. This allows for synchronizing level-sensitive + * Returns the synchronization configuration for the signals of the + * specified GPIO register. This allows for synchronizing level-sensitive * interrupts to the internal clock signal. This is a port-wide option that * controls all level-sensitive interrupt signals of that GPIO port. * @@ -605,7 +623,7 @@ ALT_STATUS_CODE alt_gpio_port_sync_get(ALT_GPIO_PORT_t gpio_pid); /*! * Configures a group of GPIO signals with identical setup parameters. Allows * for configuring all parameters of a given port at one time. - * + * * \param gpio_pid * The GPIO port identifier. * \param mask @@ -621,11 +639,11 @@ ALT_STATUS_CODE alt_gpio_port_sync_get(ALT_GPIO_PORT_t gpio_pid); * Debounce signals or not. * \param data * Set the data output to this value. - * + * * \retval ALT_E_SUCCESS The operation was successful. * \retval ALT_E_ERROR The operation failed. * \retval ALT_E_BAD_ARG Invalid input argument. - + */ ALT_STATUS_CODE alt_gpio_port_config(ALT_GPIO_PORT_t gpio_pid, uint32_t mask, ALT_GPIO_PIN_DIR_t dir, ALT_GPIO_PIN_TYPE_t type, @@ -699,11 +717,11 @@ uint32_t alt_gpio_port_int_enable_get(ALT_GPIO_PORT_t gpio_pid); * \param gpio_pid * The GPIO port identifier. * \param mask - * Which bits to change among the port \n \b 0 = + * Which bits to change among the port \n \b 0 = * Do not change this bit. \n \b 1 = Allow this bit to change. * \param val - * The interrupt mask to write. Individual bits are: \n \b 0 = - * Do not mask the interrupt for this bit (default). \n \b 1 = + * The interrupt mask to write. Individual bits are: \n \b 0 = + * Do not mask the interrupt for this bit (default). \n \b 1 = * Mask the interrupt for this bit. * * \retval ALT_E_SUCCESS The operation was successful. @@ -720,10 +738,10 @@ ALT_STATUS_CODE alt_gpio_port_int_mask_set(ALT_GPIO_PORT_t gpio_pid, * * \param gpio_pid * The GPIO port identifier. - * + * * \retval uint32_t - * The interrupt mask that was read. Individual bits are: \n - * \b 0 = The interrupt for this bit is not masked. \n \b 1 = The + * The interrupt mask that was read. Individual bits are: \n + * \b 0 = The interrupt for this bit is not masked. \n \b 1 = The * interrupt for this bit is masked. * */ @@ -731,16 +749,16 @@ uint32_t alt_gpio_port_int_mask_get(ALT_GPIO_PORT_t gpio_pid); /******************************************************************************/ /*! - * Returns the interrupt pending status of all signals of the specified GPIO + * Returns the interrupt pending status of all signals of the specified GPIO * register. * * * \param gpio_pid * The GPIO port identifier. - + * \retval uint32_t - * The current interrupt pending status. Individual bits are: \n - * \b 0 - The interrupt for this bit is not pending. \n \b 1 - + * The current interrupt pending status. Individual bits are: \n + * \b 0 - The interrupt for this bit is not pending. \n \b 1 - * The interrupt for this bit is pending. * */ @@ -748,15 +766,15 @@ uint32_t alt_gpio_port_int_status_get(ALT_GPIO_PORT_t gpio_pid); /******************************************************************************/ /*! - * Clear the interrupt pending status of selected signals of the + * Clear the interrupt pending status of selected signals of the * specified GPIO register. * * * \param gpio_pid * The GPIO port identifier. * \param clrmask - * The interrupt bits to clear. Individual bits are: \n \b 0 - - * The interrupt for this bit will not be changed. \n \b 1 - + * The interrupt bits to clear. Individual bits are: \n \b 0 - + * The interrupt for this bit will not be changed. \n \b 1 - * The interrupt for this bit will be cleared. * * \retval ALT_E_SUCCESS The operation was successful. @@ -1029,7 +1047,7 @@ typedef struct ALT_GPIO_PIN_RECORD_s /******************************************************************************/ /*! * Configures all parameters for one bit (signal) of the GPIO ports. - * + * * \param signal_num * The GPIO port signal index. * \param dir @@ -1043,7 +1061,7 @@ typedef struct ALT_GPIO_PIN_RECORD_s * \param data * If the GPIO signal is set to be an output, set it to * this value - * + * * \retval ALT_E_SUCCESS The operation was successful. * \retval ALT_E_ERROR The operation failed. * \retval ALT_E_BAD_ARG Invalid input argument. @@ -1056,78 +1074,78 @@ ALT_STATUS_CODE alt_gpio_bit_config(ALT_GPIO_1BIT_t signal_num, /******************************************************************************/ /*! * Returns the configuration parameters of a given GPIO bit. - * + * * \param signal_num * The GPIO port signal index. * \param config * Pointer to a single GPIO_CONFIG_RECORD_s configuration record. * The fields of this configuration record are filled in - * by the function. - * + * by the function. + * * \retval ALT_E_SUCCESS The operation was successful. * \retval ALT_E_ERROR The operation failed. * \retval ALT_E_BAD_ARG Invalid input argument. - + */ ALT_STATUS_CODE alt_gpio_bitconfig_get(ALT_GPIO_1BIT_t signal_num, ALT_GPIO_CONFIG_RECORD_t *config); /******************************************************************************/ /*! - * Configures a list of GPIO bits. The GPIO bits do not have to be - * configured the same, as was the case for the mask version of this function, + * Configures a list of GPIO bits. The GPIO bits do not have to be + * configured the same, as was the case for the mask version of this function, * alt_gpio_port_config(). Each bit may be configured differently and bits may * be listed in any order. - * + * * \param config_array * Pointer to an array of GPIO_CONFIG_RECORD_s configuration * records. These definitions contain all the parameters - * needed to set up the listed pins. All or - * any subset of the GPIO signals can be configured. Signals do - * not have to be listed in numerical order or be unique. If a - * signal number is listed multiple times, the last configuration + * needed to set up the listed pins. All or + * any subset of the GPIO signals can be configured. Signals do + * not have to be listed in numerical order or be unique. If a + * signal number is listed multiple times, the last configuration * listed is used. \n Configuration terminates either when \b len * signals have been configured or if the next signal number index * in the array is equal to \b ALT_END_OF_GPIO_SIGNALS (-1). - * + * * \param len - * Length of array to configure. - * + * Length of array to configure. + * * \retval ALT_E_SUCCESS The operation was successful. * \retval ALT_E_ERROR The operation failed. * \retval ALT_E_BAD_ARG Invalid input argument. - + */ ALT_STATUS_CODE alt_gpio_group_config(ALT_GPIO_CONFIG_RECORD_t* config_array, uint32_t len); /******************************************************************************/ /*! - * Returns a list of the pin signal indices and the associated configuration + * Returns a list of the pin signal indices and the associated configuration * settings (data direction, interrupt type, polarity, and debounce) of that * list of signals. - * + * * \param config_array * Pointer to an array of ALT_GPIO_CONFIG_RECORD_t configuration * records. Only the signal indices in the first field of each * configuration record need be filled in. This function will * fill in all the other fields of the configuration record, * returning all configuration parameters in the array. - * Signals do not have to be listed in numerical order or be - * unique. If a signal number is listed multiple times, the + * Signals do not have to be listed in numerical order or be + * unique. If a signal number is listed multiple times, the * configuration record will contain multiple entries for * that signal. \n Configuration reading terminates either when * \b len signal configurations have been read or if the next * signal number index in the array is equal to * \b ALT_END_OF_GPIO_SIGNALS (-1). * \param len - * Length of configuration array to read and return. - * - * + * Length of configuration array to read and return. + * + * * \retval ALT_E_SUCCESS The operation was successful. * \retval ALT_E_ERROR The operation failed. * \retval ALT_E_BAD_ARG Invalid input argument. - + */ ALT_STATUS_CODE alt_gpio_group_config_get(ALT_GPIO_CONFIG_RECORD_t *config_array, uint32_t len); @@ -1140,30 +1158,30 @@ ALT_STATUS_CODE alt_gpio_group_config_get(ALT_GPIO_CONFIG_RECORD_t *config_array * alt_gpio_group_config_get() is this version follows a separate list of * signal indices instead of having the signal list provided in the first * field of the configuration records in the array. - * + * * \param pinid_array * Pointer to a list of signal index numbers. These indices * are copied to the first field of each configuration record * in the returned array. * \param config_array * Pointer to an array of ALT_GPIO_CONFIG_RECORD_t configuration - * records. This function will fill in the fields of the - * configuration record, returning all configuration parameters - * in the array. Signals do not have to be listed in numerical - * order or be unique. If a signal number is listed multiple - * times, the configuration record array will contain multiple + * records. This function will fill in the fields of the + * configuration record, returning all configuration parameters + * in the array. Signals do not have to be listed in numerical + * order or be unique. If a signal number is listed multiple + * times, the configuration record array will contain multiple * identical entries for that signal. \n Configuration reading * terminates either when \b len signal configurations have been * read or if the next signal number index in the array is equal * to \b ALT_END_OF_GPIO_SIGNALS (-1). * \param len - * Length of configuration array to read. - * - * + * Length of configuration array to read. + * + * * \retval ALT_E_SUCCESS The operation was successful. * \retval ALT_E_ERROR The operation failed. * \retval ALT_E_BAD_ARG Invalid input argument. - * + * */ ALT_STATUS_CODE alt_gpio_group_config_get2(ALT_GPIO_1BIT_t* pinid_array, ALT_GPIO_CONFIG_RECORD_t *config_array, uint32_t len); @@ -1218,10 +1236,10 @@ ALT_GPIO_PORTBIT_t alt_gpio_bit_to_port_pin(ALT_GPIO_1BIT_t pin_num); /******************************************************************************/ /*! - * Extracts the GPIO Signal Index Number from the supplied GPIO port ID and - * signal mask. If passed a bitmask composed of more than one signal, the + * Extracts the GPIO Signal Index Number from the supplied GPIO port ID and + * signal mask. If passed a bitmask composed of more than one signal, the * signal number of the lowest bit in the bitmask presented is returned. - * + * */ ALT_GPIO_1BIT_t alt_gpio_port_pin_to_bit(ALT_GPIO_PORT_t pid, uint32_t bitmask); |