Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

api/mbed_interface.h@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
144:ef7eb2e8f9f7 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2006-2013 ARM Limited
<> 144:ef7eb2e8f9f7 3 *
<> 144:ef7eb2e8f9f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 144:ef7eb2e8f9f7 5 * you may not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 6 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 144:ef7eb2e8f9f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 13 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 14 * limitations under the License.
<> 144:ef7eb2e8f9f7 15 */
<> 144:ef7eb2e8f9f7 16 #ifndef MBED_INTERFACE_H
<> 144:ef7eb2e8f9f7 17 #define MBED_INTERFACE_H
<> 144:ef7eb2e8f9f7 18
<> 144:ef7eb2e8f9f7 19 #include <stdarg.h>
<> 144:ef7eb2e8f9f7 20
<> 144:ef7eb2e8f9f7 21 #include "device.h"
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 /* Mbed interface mac address
<> 144:ef7eb2e8f9f7 24 * if MBED_MAC_ADD_x are zero, interface uid sets mac address,
<> 144:ef7eb2e8f9f7 25 * otherwise MAC_ADD_x are used.
<> 144:ef7eb2e8f9f7 26 */
<> 144:ef7eb2e8f9f7 27 #define MBED_MAC_ADDR_INTERFACE 0x00
<> 144:ef7eb2e8f9f7 28 #define MBED_MAC_ADDR_0 MBED_MAC_ADDR_INTERFACE
<> 144:ef7eb2e8f9f7 29 #define MBED_MAC_ADDR_1 MBED_MAC_ADDR_INTERFACE
<> 144:ef7eb2e8f9f7 30 #define MBED_MAC_ADDR_2 MBED_MAC_ADDR_INTERFACE
<> 144:ef7eb2e8f9f7 31 #define MBED_MAC_ADDR_3 MBED_MAC_ADDR_INTERFACE
<> 144:ef7eb2e8f9f7 32 #define MBED_MAC_ADDR_4 MBED_MAC_ADDR_INTERFACE
<> 144:ef7eb2e8f9f7 33 #define MBED_MAC_ADDR_5 MBED_MAC_ADDR_INTERFACE
<> 144:ef7eb2e8f9f7 34 #define MBED_MAC_ADDRESS_SUM (MBED_MAC_ADDR_0 | MBED_MAC_ADDR_1 | MBED_MAC_ADDR_2 | MBED_MAC_ADDR_3 | MBED_MAC_ADDR_4 | MBED_MAC_ADDR_5)
<> 144:ef7eb2e8f9f7 35
<> 144:ef7eb2e8f9f7 36 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 37 extern "C" {
<> 144:ef7eb2e8f9f7 38 #endif
<> 144:ef7eb2e8f9f7 39
<> 144:ef7eb2e8f9f7 40 #if DEVICE_SEMIHOST
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 /** Functions to control the mbed interface
<> 144:ef7eb2e8f9f7 43 *
<> 144:ef7eb2e8f9f7 44 * mbed Microcontrollers have a built-in interface to provide functionality such as
<> 144:ef7eb2e8f9f7 45 * drag-n-drop download, reset, serial-over-usb, and access to the mbed local file
<> 144:ef7eb2e8f9f7 46 * system. These functions provide means to control the interface suing semihost
<> 144:ef7eb2e8f9f7 47 * calls it supports.
<> 144:ef7eb2e8f9f7 48 */
<> 144:ef7eb2e8f9f7 49
<> 144:ef7eb2e8f9f7 50 /** Determine whether the mbed interface is connected, based on whether debug is enabled
<> 144:ef7eb2e8f9f7 51 *
<> 144:ef7eb2e8f9f7 52 * @returns
<> 144:ef7eb2e8f9f7 53 * 1 if interface is connected,
<> 144:ef7eb2e8f9f7 54 * 0 otherwise
<> 144:ef7eb2e8f9f7 55 */
<> 144:ef7eb2e8f9f7 56 int mbed_interface_connected(void);
<> 144:ef7eb2e8f9f7 57
<> 144:ef7eb2e8f9f7 58 /** Instruct the mbed interface to reset, as if the reset button had been pressed
<> 144:ef7eb2e8f9f7 59 *
<> 144:ef7eb2e8f9f7 60 * @returns
<> 144:ef7eb2e8f9f7 61 * 1 if successful,
<> 144:ef7eb2e8f9f7 62 * 0 otherwise (e.g. interface not present)
<> 144:ef7eb2e8f9f7 63 */
<> 144:ef7eb2e8f9f7 64 int mbed_interface_reset(void);
<> 144:ef7eb2e8f9f7 65
<> 144:ef7eb2e8f9f7 66 /** This will disconnect the debug aspect of the interface, so semihosting will be disabled.
<> 144:ef7eb2e8f9f7 67 * The interface will still support the USB serial aspect
<> 144:ef7eb2e8f9f7 68 *
<> 144:ef7eb2e8f9f7 69 * @returns
<> 144:ef7eb2e8f9f7 70 * 0 if successful,
<> 144:ef7eb2e8f9f7 71 * -1 otherwise (e.g. interface not present)
<> 144:ef7eb2e8f9f7 72 */
<> 144:ef7eb2e8f9f7 73 int mbed_interface_disconnect(void);
<> 144:ef7eb2e8f9f7 74
<> 144:ef7eb2e8f9f7 75 /** This will disconnect the debug aspect of the interface, and if the USB cable is not
<> 144:ef7eb2e8f9f7 76 * connected, also power down the interface. If the USB cable is connected, the interface
<> 144:ef7eb2e8f9f7 77 * will remain powered up and visible to the host
<> 144:ef7eb2e8f9f7 78 *
<> 144:ef7eb2e8f9f7 79 * @returns
<> 144:ef7eb2e8f9f7 80 * 0 if successful,
<> 144:ef7eb2e8f9f7 81 * -1 otherwise (e.g. interface not present)
<> 144:ef7eb2e8f9f7 82 */
<> 144:ef7eb2e8f9f7 83 int mbed_interface_powerdown(void);
<> 144:ef7eb2e8f9f7 84
<> 144:ef7eb2e8f9f7 85 /** This returns a string containing the 32-character UID of the mbed interface
<> 144:ef7eb2e8f9f7 86 * This is a weak function that can be overwritten if required
<> 144:ef7eb2e8f9f7 87 *
<> 144:ef7eb2e8f9f7 88 * @param uid A 33-byte array to write the null terminated 32-byte string
<> 144:ef7eb2e8f9f7 89 *
<> 144:ef7eb2e8f9f7 90 * @returns
<> 144:ef7eb2e8f9f7 91 * 0 if successful,
<> 144:ef7eb2e8f9f7 92 * -1 otherwise (e.g. interface not present)
<> 144:ef7eb2e8f9f7 93 */
<> 144:ef7eb2e8f9f7 94 int mbed_interface_uid(char *uid);
<> 144:ef7eb2e8f9f7 95
<> 144:ef7eb2e8f9f7 96 #endif
<> 144:ef7eb2e8f9f7 97
<> 144:ef7eb2e8f9f7 98 /** This returns a unique 6-byte MAC address, based on the interface UID
<> 144:ef7eb2e8f9f7 99 * If the interface is not present, it returns a default fixed MAC address (00:02:F7:F0:00:00)
<> 144:ef7eb2e8f9f7 100 *
<> 144:ef7eb2e8f9f7 101 * This is a weak function that can be overwritten if you want to provide your own mechanism to
<> 144:ef7eb2e8f9f7 102 * provide a MAC address.
<> 144:ef7eb2e8f9f7 103 *
<> 144:ef7eb2e8f9f7 104 * @param mac A 6-byte array to write the MAC address
<> 144:ef7eb2e8f9f7 105 */
<> 144:ef7eb2e8f9f7 106 void mbed_mac_address(char *mac);
<> 144:ef7eb2e8f9f7 107
<> 144:ef7eb2e8f9f7 108 /** Cause the mbed to flash the BLOD (Blue LEDs Of Death) sequence
<> 144:ef7eb2e8f9f7 109 */
<> 144:ef7eb2e8f9f7 110 void mbed_die(void);
<> 144:ef7eb2e8f9f7 111
<> 144:ef7eb2e8f9f7 112 /** Print out an error message. This is typically called when
<> 144:ef7eb2e8f9f7 113 * hanlding a crash.
<> 144:ef7eb2e8f9f7 114 *
<> 144:ef7eb2e8f9f7 115 * @Note Synchronization level: Interrupt safe
<> 144:ef7eb2e8f9f7 116 */
<> 144:ef7eb2e8f9f7 117 void mbed_error_printf(const char* format, ...);
<> 144:ef7eb2e8f9f7 118
<> 144:ef7eb2e8f9f7 119 /** Print out an error message. Similar to mbed_error_printf
<> 144:ef7eb2e8f9f7 120 * but uses a va_list.
<> 144:ef7eb2e8f9f7 121 *
<> 144:ef7eb2e8f9f7 122 * @Note Synchronization level: Interrupt safe
<> 144:ef7eb2e8f9f7 123 */
<> 144:ef7eb2e8f9f7 124 void mbed_error_vfprintf(const char * format, va_list arg);
<> 144:ef7eb2e8f9f7 125
<> 144:ef7eb2e8f9f7 126 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 127 }
<> 144:ef7eb2e8f9f7 128 #endif
<> 144:ef7eb2e8f9f7 129
<> 144:ef7eb2e8f9f7 130 #endif