mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_ONSEMI/TARGET_NCS36510/port_api.c@149:156823d33999, 2016-10-28 (annotated)

Committer:
<>
Date:
Fri Oct 28 11:17:30 2016 +0100
Revision:
149:156823d33999
Parent:
targets/hal/TARGET_ONSEMI/TARGET_NCS36510/port_api.c@147:30b64687e01f
Child:
150:02e0a0aed4ec
This updates the lib to the mbed lib v128



NOTE: This release includes a restructuring of the file and directory locations and thus some

include paths in your code may need updating accordingly.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**
<> 144:ef7eb2e8f9f7 2 ******************************************************************************
<> 144:ef7eb2e8f9f7 3 * @file port_api.c
<> 144:ef7eb2e8f9f7 4 * @brief Implementation of a port API
<> 144:ef7eb2e8f9f7 5 * @internal
<> 144:ef7eb2e8f9f7 6 * @author ON Semiconductor
<> 144:ef7eb2e8f9f7 7 * $Rev:
<> 144:ef7eb2e8f9f7 8 * $Date:
<> 144:ef7eb2e8f9f7 9 ******************************************************************************
<> 147:30b64687e01f 10 * Copyright 2016 Semiconductor Components Industries LLC (d/b/a “ON Semiconductor”).
<> 147:30b64687e01f 11 * All rights reserved. This software and/or documentation is licensed by ON Semiconductor
<> 147:30b64687e01f 12 * under limited terms and conditions. The terms and conditions pertaining to the software
<> 147:30b64687e01f 13 * and/or documentation are available at http://www.onsemi.com/site/pdf/ONSEMI_T&C.pdf
<> 147:30b64687e01f 14 * (“ON Semiconductor Standard Terms and Conditions of Sale, Section 8 Software”) and
<> 147:30b64687e01f 15 * if applicable the software license agreement. Do not use this software and/or
<> 147:30b64687e01f 16 * documentation unless you have carefully read and you agree to the limited terms and
<> 147:30b64687e01f 17 * conditions. By using this software and/or documentation, you agree to the limited
<> 147:30b64687e01f 18 * terms and conditions.
<> 144:ef7eb2e8f9f7 19 *
<> 144:ef7eb2e8f9f7 20 * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
<> 144:ef7eb2e8f9f7 21 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
<> 144:ef7eb2e8f9f7 22 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
<> 144:ef7eb2e8f9f7 23 * ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL,
<> 144:ef7eb2e8f9f7 24 * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
<> 144:ef7eb2e8f9f7 25 */
<> 144:ef7eb2e8f9f7 26 #include "gpio.h"
<> 144:ef7eb2e8f9f7 27 #include "port_api.h"
<> 144:ef7eb2e8f9f7 28
<> 144:ef7eb2e8f9f7 29 #if DEVICE_PORTIN || DEVICE_PORTOUT
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 /** Get the pin name from the port's pin number
<> 144:ef7eb2e8f9f7 32 *
<> 144:ef7eb2e8f9f7 33 * @param port The port name
<> 144:ef7eb2e8f9f7 34 * @param pin_n The pin number within the specified port
<> 144:ef7eb2e8f9f7 35 * @return The pin name for the port's pin number
<> 144:ef7eb2e8f9f7 36 */
<> 144:ef7eb2e8f9f7 37 PinName port_pin(PortName port, int pin_n)
<> 144:ef7eb2e8f9f7 38 {
<> 144:ef7eb2e8f9f7 39 return((PinName)(pin_n));
<> 144:ef7eb2e8f9f7 40 }
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 /** Initilize the port
<> 144:ef7eb2e8f9f7 43 *
<> 144:ef7eb2e8f9f7 44 * @param obj The port object to initialize
<> 144:ef7eb2e8f9f7 45 * @param port The port name
<> 144:ef7eb2e8f9f7 46 * @param mask The bitmask to identify which bits in the port should be included (0 - ignore)
<> 144:ef7eb2e8f9f7 47 * @param dir The port direction
<> 144:ef7eb2e8f9f7 48 */
<> 144:ef7eb2e8f9f7 49 void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
<> 144:ef7eb2e8f9f7 50 {
<> 144:ef7eb2e8f9f7 51 uint8_t i;
<> 144:ef7eb2e8f9f7 52 PinName pin;
<> 144:ef7eb2e8f9f7 53
<> 144:ef7eb2e8f9f7 54 /* Store the port mask in obj */
<> 144:ef7eb2e8f9f7 55 obj->mask = mask;
<> 144:ef7eb2e8f9f7 56
<> 144:ef7eb2e8f9f7 57 /* Store the port name in obj */
<> 144:ef7eb2e8f9f7 58 obj->port = port;
<> 144:ef7eb2e8f9f7 59
<> 144:ef7eb2e8f9f7 60 /* Store GPIO base address */
<> 144:ef7eb2e8f9f7 61 obj->GPIOMEMBASE = GPIOREG;
<> 144:ef7eb2e8f9f7 62
<> 144:ef7eb2e8f9f7 63 for (i=0; i<NUMBER_OF_GPIO; i++) {
<> 144:ef7eb2e8f9f7 64 /* check for valid pin */
<> 144:ef7eb2e8f9f7 65 if (obj->mask & (1<<i)) {
<> 144:ef7eb2e8f9f7 66
<> 144:ef7eb2e8f9f7 67 /* Gpio numbers start from DIO#0 to #17, so can pass in "i" */
<> 144:ef7eb2e8f9f7 68 pin = port_pin(obj->port, i);
<> 144:ef7eb2e8f9f7 69
<> 144:ef7eb2e8f9f7 70 /* Set the pin as GPIO */
<> 144:ef7eb2e8f9f7 71 gpio_set(pin);
<> 144:ef7eb2e8f9f7 72 }
<> 144:ef7eb2e8f9f7 73 }
<> 144:ef7eb2e8f9f7 74
<> 144:ef7eb2e8f9f7 75 /* Call function to set pin direction */
<> 144:ef7eb2e8f9f7 76 port_dir(obj, dir);
<> 144:ef7eb2e8f9f7 77 }
<> 144:ef7eb2e8f9f7 78
<> 144:ef7eb2e8f9f7 79 /** Set the input port mode
<> 144:ef7eb2e8f9f7 80 *
<> 144:ef7eb2e8f9f7 81 * @param obj The port object
<> 144:ef7eb2e8f9f7 82 * @param mode THe port mode to be set
<> 144:ef7eb2e8f9f7 83 */
<> 144:ef7eb2e8f9f7 84 void port_mode(port_t *obj, PinMode mode)
<> 144:ef7eb2e8f9f7 85 {
<> 144:ef7eb2e8f9f7 86 uint8_t i = 0;
<> 144:ef7eb2e8f9f7 87 PinName pin;
<> 144:ef7eb2e8f9f7 88
<> 144:ef7eb2e8f9f7 89 /* For each pin in the mask, set the mode to that defined in "mode" parameter */
<> 144:ef7eb2e8f9f7 90 for (i=0; i < NUMBER_OF_GPIO; i++) {
<> 144:ef7eb2e8f9f7 91 /* check for valid pin */
<> 144:ef7eb2e8f9f7 92 if (obj->mask & (1<<i)) {
<> 144:ef7eb2e8f9f7 93
<> 144:ef7eb2e8f9f7 94 /* get the pin name */
<> 144:ef7eb2e8f9f7 95 pin = port_pin(obj->port, i);
<> 144:ef7eb2e8f9f7 96
<> 144:ef7eb2e8f9f7 97 /* Set the mode for the pin */
<> 144:ef7eb2e8f9f7 98 pin_mode(pin, mode);
<> 144:ef7eb2e8f9f7 99 }
<> 144:ef7eb2e8f9f7 100 }
<> 144:ef7eb2e8f9f7 101 }
<> 144:ef7eb2e8f9f7 102
<> 144:ef7eb2e8f9f7 103 /** Set port direction (in/out)
<> 144:ef7eb2e8f9f7 104 *
<> 144:ef7eb2e8f9f7 105 * @param obj The port object
<> 144:ef7eb2e8f9f7 106 * @param dir The port direction to be set
<> 144:ef7eb2e8f9f7 107 */
<> 144:ef7eb2e8f9f7 108 void port_dir(port_t *obj, PinDirection dir)
<> 144:ef7eb2e8f9f7 109 {
<> 144:ef7eb2e8f9f7 110 /* Enable the GPIO clock */
<> 144:ef7eb2e8f9f7 111 CLOCK_ENABLE(CLOCK_GPIO);
<> 144:ef7eb2e8f9f7 112
<> 144:ef7eb2e8f9f7 113 if (dir == PIN_INPUT) {
<> 144:ef7eb2e8f9f7 114 obj->GPIOMEMBASE->W_IN = obj->mask;
<> 144:ef7eb2e8f9f7 115 } else if (dir == PIN_OUTPUT) {
<> 144:ef7eb2e8f9f7 116 obj->GPIOMEMBASE->W_OUT = obj->mask;
<> 144:ef7eb2e8f9f7 117 }
<> 144:ef7eb2e8f9f7 118
<> 144:ef7eb2e8f9f7 119 /* Disable the GPIO clock */
<> 144:ef7eb2e8f9f7 120 CLOCK_DISABLE(CLOCK_GPIO);
<> 144:ef7eb2e8f9f7 121 }
<> 144:ef7eb2e8f9f7 122
<> 144:ef7eb2e8f9f7 123 /** Write value to the port
<> 144:ef7eb2e8f9f7 124 *
<> 144:ef7eb2e8f9f7 125 * @param obj The port object
<> 144:ef7eb2e8f9f7 126 * @param value The value to be set
<> 144:ef7eb2e8f9f7 127 */
<> 144:ef7eb2e8f9f7 128 void port_write(port_t *obj, int value)
<> 144:ef7eb2e8f9f7 129 {
<> 144:ef7eb2e8f9f7 130 /* Enable the GPIO clock */
<> 144:ef7eb2e8f9f7 131 CLOCK_ENABLE(CLOCK_GPIO);
<> 144:ef7eb2e8f9f7 132
<> 144:ef7eb2e8f9f7 133 obj->GPIOMEMBASE->R_STATE_W_SET = value;//(obj->mask & value);
<> 144:ef7eb2e8f9f7 134 obj->GPIOMEMBASE->R_IRQ_W_CLEAR = ~value;//(obj->mask ^ value);
<> 144:ef7eb2e8f9f7 135
<> 144:ef7eb2e8f9f7 136 /* Disable the GPIO clock */
<> 144:ef7eb2e8f9f7 137 CLOCK_DISABLE(CLOCK_GPIO);
<> 144:ef7eb2e8f9f7 138 }
<> 144:ef7eb2e8f9f7 139
<> 144:ef7eb2e8f9f7 140 /** Read the current value on the port
<> 144:ef7eb2e8f9f7 141 *
<> 144:ef7eb2e8f9f7 142 * @param obj The port object
<> 144:ef7eb2e8f9f7 143 * @return An integer with each bit corresponding to an associated port pin setting
<> 144:ef7eb2e8f9f7 144 */
<> 144:ef7eb2e8f9f7 145 int port_read(port_t *obj)
<> 144:ef7eb2e8f9f7 146 {
<> 144:ef7eb2e8f9f7 147 int gpio_level = 0;
<> 144:ef7eb2e8f9f7 148
<> 144:ef7eb2e8f9f7 149 /* Enable the GPIO clock */
<> 144:ef7eb2e8f9f7 150 CLOCK_ENABLE(CLOCK_GPIO);
<> 144:ef7eb2e8f9f7 151
<> 144:ef7eb2e8f9f7 152 gpio_level = obj->GPIOMEMBASE->R_STATE_W_SET;
<> 144:ef7eb2e8f9f7 153
<> 144:ef7eb2e8f9f7 154 /* Disable the GPIO clock */
<> 144:ef7eb2e8f9f7 155 CLOCK_DISABLE(CLOCK_GPIO);
<> 144:ef7eb2e8f9f7 156
<> 144:ef7eb2e8f9f7 157 return(gpio_level);
<> 144:ef7eb2e8f9f7 158 }
<> 144:ef7eb2e8f9f7 159
<> 144:ef7eb2e8f9f7 160 #endif