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Last commit 20 Feb 2019 by 
mbed official
targets/hal/TARGET_Atmel/TARGET_SAM21/drivers/sercom/sercom.h@579:53297373a894, 2015-07-01 (annotated)
- Committer:
- mbed_official
- Date:
- Wed Jul 01 09:45:11 2015 +0100
- Revision:
- 579:53297373a894
- Child:
- 592:a274ee790e56
Synchronized with git revision d5b4d2ab9c47edb4dc5776e7177b0c2263459081
Full URL: https://github.com/mbedmicro/mbed/commit/d5b4d2ab9c47edb4dc5776e7177b0c2263459081/
Initial version of drivers for SAMR21
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| mbed_official | 579:53297373a894 | 1 | /** |
| mbed_official | 579:53297373a894 | 2 | * \file |
| mbed_official | 579:53297373a894 | 3 | * |
| mbed_official | 579:53297373a894 | 4 | * \brief SAM Serial Peripheral Interface Driver |
| mbed_official | 579:53297373a894 | 5 | * |
| mbed_official | 579:53297373a894 | 6 | * Copyright (C) 2012-2014 Atmel Corporation. All rights reserved. |
| mbed_official | 579:53297373a894 | 7 | * |
| mbed_official | 579:53297373a894 | 8 | * \asf_license_start |
| mbed_official | 579:53297373a894 | 9 | * |
| mbed_official | 579:53297373a894 | 10 | * \page License |
| mbed_official | 579:53297373a894 | 11 | * |
| mbed_official | 579:53297373a894 | 12 | * Redistribution and use in source and binary forms, with or without |
| mbed_official | 579:53297373a894 | 13 | * modification, are permitted provided that the following conditions are met: |
| mbed_official | 579:53297373a894 | 14 | * |
| mbed_official | 579:53297373a894 | 15 | * 1. Redistributions of source code must retain the above copyright notice, |
| mbed_official | 579:53297373a894 | 16 | * this list of conditions and the following disclaimer. |
| mbed_official | 579:53297373a894 | 17 | * |
| mbed_official | 579:53297373a894 | 18 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| mbed_official | 579:53297373a894 | 19 | * this list of conditions and the following disclaimer in the documentation |
| mbed_official | 579:53297373a894 | 20 | * and/or other materials provided with the distribution. |
| mbed_official | 579:53297373a894 | 21 | * |
| mbed_official | 579:53297373a894 | 22 | * 3. The name of Atmel may not be used to endorse or promote products derived |
| mbed_official | 579:53297373a894 | 23 | * from this software without specific prior written permission. |
| mbed_official | 579:53297373a894 | 24 | * |
| mbed_official | 579:53297373a894 | 25 | * 4. This software may only be redistributed and used in connection with an |
| mbed_official | 579:53297373a894 | 26 | * Atmel microcontroller product. |
| mbed_official | 579:53297373a894 | 27 | * |
| mbed_official | 579:53297373a894 | 28 | * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED |
| mbed_official | 579:53297373a894 | 29 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| mbed_official | 579:53297373a894 | 30 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
| mbed_official | 579:53297373a894 | 31 | * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR |
| mbed_official | 579:53297373a894 | 32 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| mbed_official | 579:53297373a894 | 33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| mbed_official | 579:53297373a894 | 34 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| mbed_official | 579:53297373a894 | 35 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| mbed_official | 579:53297373a894 | 36 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| mbed_official | 579:53297373a894 | 37 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| mbed_official | 579:53297373a894 | 38 | * POSSIBILITY OF SUCH DAMAGE. |
| mbed_official | 579:53297373a894 | 39 | * |
| mbed_official | 579:53297373a894 | 40 | * \asf_license_stop |
| mbed_official | 579:53297373a894 | 41 | * |
| mbed_official | 579:53297373a894 | 42 | */ |
| mbed_official | 579:53297373a894 | 43 | /** |
| mbed_official | 579:53297373a894 | 44 | * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> |
| mbed_official | 579:53297373a894 | 45 | */ |
| mbed_official | 579:53297373a894 | 46 | |
| mbed_official | 579:53297373a894 | 47 | #ifndef SERCOM_H_INCLUDED |
| mbed_official | 579:53297373a894 | 48 | #define SERCOM_H_INCLUDED |
| mbed_official | 579:53297373a894 | 49 | |
| mbed_official | 579:53297373a894 | 50 | #include <compiler.h> |
| mbed_official | 579:53297373a894 | 51 | #include <system.h> |
| mbed_official | 579:53297373a894 | 52 | #include <clock.h> |
| mbed_official | 579:53297373a894 | 53 | #include <system_interrupt.h> |
| mbed_official | 579:53297373a894 | 54 | #include "sercom_pinout.h" |
| mbed_official | 579:53297373a894 | 55 | |
| mbed_official | 579:53297373a894 | 56 | #ifdef __cplusplus |
| mbed_official | 579:53297373a894 | 57 | extern "C" { |
| mbed_official | 579:53297373a894 | 58 | #endif |
| mbed_official | 579:53297373a894 | 59 | |
| mbed_official | 579:53297373a894 | 60 | #if (SAMD10) || (SAMD11) |
| mbed_official | 579:53297373a894 | 61 | |
| mbed_official | 579:53297373a894 | 62 | #if (SERCOM0_GCLK_ID_SLOW == SERCOM1_GCLK_ID_SLOW && \ |
| mbed_official | 579:53297373a894 | 63 | SERCOM0_GCLK_ID_SLOW == SERCOM2_GCLK_ID_SLOW) |
| mbed_official | 579:53297373a894 | 64 | # define SERCOM_GCLK_ID SERCOM0_GCLK_ID_SLOW |
| mbed_official | 579:53297373a894 | 65 | #else |
| mbed_official | 579:53297373a894 | 66 | # error "SERCOM modules must share the same slow GCLK channel ID." |
| mbed_official | 579:53297373a894 | 67 | #endif |
| mbed_official | 579:53297373a894 | 68 | |
| mbed_official | 579:53297373a894 | 69 | #else |
| mbed_official | 579:53297373a894 | 70 | |
| mbed_official | 579:53297373a894 | 71 | #if (SERCOM0_GCLK_ID_SLOW == SERCOM1_GCLK_ID_SLOW && \ |
| mbed_official | 579:53297373a894 | 72 | SERCOM0_GCLK_ID_SLOW == SERCOM2_GCLK_ID_SLOW && \ |
| mbed_official | 579:53297373a894 | 73 | SERCOM0_GCLK_ID_SLOW == SERCOM3_GCLK_ID_SLOW) |
| mbed_official | 579:53297373a894 | 74 | # define SERCOM_GCLK_ID SERCOM0_GCLK_ID_SLOW |
| mbed_official | 579:53297373a894 | 75 | #else |
| mbed_official | 579:53297373a894 | 76 | # error "SERCOM modules must share the same slow GCLK channel ID." |
| mbed_official | 579:53297373a894 | 77 | #endif |
| mbed_official | 579:53297373a894 | 78 | |
| mbed_official | 579:53297373a894 | 79 | #endif |
| mbed_official | 579:53297373a894 | 80 | |
| mbed_official | 579:53297373a894 | 81 | #if (0x1ff >= REV_SERCOM) |
| mbed_official | 579:53297373a894 | 82 | # define FEATURE_SERCOM_SYNCBUSY_SCHEME_VERSION_1 |
| mbed_official | 579:53297373a894 | 83 | #elif (0x2ff >= REV_SERCOM) |
| mbed_official | 579:53297373a894 | 84 | # define FEATURE_SERCOM_SYNCBUSY_SCHEME_VERSION_2 |
| mbed_official | 579:53297373a894 | 85 | #else |
| mbed_official | 579:53297373a894 | 86 | # error "Unknown SYNCBUSY scheme for this SERCOM revision" |
| mbed_official | 579:53297373a894 | 87 | #endif |
| mbed_official | 579:53297373a894 | 88 | |
| mbed_official | 579:53297373a894 | 89 | /** |
| mbed_official | 579:53297373a894 | 90 | * \brief sercom asynchronous operation mode |
| mbed_official | 579:53297373a894 | 91 | * |
| mbed_official | 579:53297373a894 | 92 | * Select sercom asynchronous operation mode |
| mbed_official | 579:53297373a894 | 93 | */ |
| mbed_official | 579:53297373a894 | 94 | enum sercom_asynchronous_operation_mode { |
| mbed_official | 579:53297373a894 | 95 | SERCOM_ASYNC_OPERATION_MODE_ARITHMETIC = 0, |
| mbed_official | 579:53297373a894 | 96 | SERCOM_ASYNC_OPERATION_MODE_FRACTIONAL, |
| mbed_official | 579:53297373a894 | 97 | }; |
| mbed_official | 579:53297373a894 | 98 | |
| mbed_official | 579:53297373a894 | 99 | /** |
| mbed_official | 579:53297373a894 | 100 | * \brief sercom asynchronous samples per bit |
| mbed_official | 579:53297373a894 | 101 | * |
| mbed_official | 579:53297373a894 | 102 | * Select number of samples per bit |
| mbed_official | 579:53297373a894 | 103 | */ |
| mbed_official | 579:53297373a894 | 104 | enum sercom_asynchronous_sample_num { |
| mbed_official | 579:53297373a894 | 105 | SERCOM_ASYNC_SAMPLE_NUM_3 = 3, |
| mbed_official | 579:53297373a894 | 106 | SERCOM_ASYNC_SAMPLE_NUM_8 = 8, |
| mbed_official | 579:53297373a894 | 107 | SERCOM_ASYNC_SAMPLE_NUM_16 = 16, |
| mbed_official | 579:53297373a894 | 108 | }; |
| mbed_official | 579:53297373a894 | 109 | |
| mbed_official | 579:53297373a894 | 110 | enum status_code sercom_set_gclk_generator( |
| mbed_official | 579:53297373a894 | 111 | const enum gclk_generator generator_source, |
| mbed_official | 579:53297373a894 | 112 | const bool force_change); |
| mbed_official | 579:53297373a894 | 113 | |
| mbed_official | 579:53297373a894 | 114 | enum status_code _sercom_get_sync_baud_val( |
| mbed_official | 579:53297373a894 | 115 | const uint32_t baudrate, |
| mbed_official | 579:53297373a894 | 116 | const uint32_t external_clock, |
| mbed_official | 579:53297373a894 | 117 | uint16_t *const baudval); |
| mbed_official | 579:53297373a894 | 118 | |
| mbed_official | 579:53297373a894 | 119 | enum status_code _sercom_get_async_baud_val( |
| mbed_official | 579:53297373a894 | 120 | const uint32_t baudrate, |
| mbed_official | 579:53297373a894 | 121 | const uint32_t peripheral_clock, |
| mbed_official | 579:53297373a894 | 122 | uint16_t *const baudval, |
| mbed_official | 579:53297373a894 | 123 | enum sercom_asynchronous_operation_mode mode, |
| mbed_official | 579:53297373a894 | 124 | enum sercom_asynchronous_sample_num sample_num); |
| mbed_official | 579:53297373a894 | 125 | |
| mbed_official | 579:53297373a894 | 126 | uint32_t _sercom_get_default_pad( |
| mbed_official | 579:53297373a894 | 127 | Sercom *const sercom_module, |
| mbed_official | 579:53297373a894 | 128 | const uint8_t pad); |
| mbed_official | 579:53297373a894 | 129 | |
| mbed_official | 579:53297373a894 | 130 | uint8_t _sercom_get_sercom_inst_index( |
| mbed_official | 579:53297373a894 | 131 | Sercom *const sercom_instance); |
| mbed_official | 579:53297373a894 | 132 | #ifdef __cplusplus |
| mbed_official | 579:53297373a894 | 133 | } |
| mbed_official | 579:53297373a894 | 134 | #endif |
| mbed_official | 579:53297373a894 | 135 | |
| mbed_official | 579:53297373a894 | 136 | #endif //__SERCOM_H_INCLUDED |
