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Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_Atmel/TARGET_SAM21/drivers/sercom/sercom.h@592:a274ee790e56, 2015-07-17 (annotated)

Committer:
mbed_official
Date:
Fri Jul 17 09:15:10 2015 +0100
Revision:
592:a274ee790e56
Parent:
579:53297373a894 
Synchronized with git revision e7144f83a8d75df80c4877936b6ffe552b0be9e6



Full URL: https://github.com/mbedmicro/mbed/commit/e7144f83a8d75df80c4877936b6ffe552b0be9e6/



More API implementation for SAMR21

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 579:53297373a894 1 #ifndef SERCOM_H_INCLUDED
mbed_official 579:53297373a894 2 #define SERCOM_H_INCLUDED
mbed_official 579:53297373a894 3
mbed_official 579:53297373a894 4 #include <compiler.h>
mbed_official 579:53297373a894 5 #include <system.h>
mbed_official 579:53297373a894 6 #include <clock.h>
mbed_official 579:53297373a894 7 #include <system_interrupt.h>
mbed_official 579:53297373a894 8 #include "sercom_pinout.h"
mbed_official 579:53297373a894 9
mbed_official 579:53297373a894 10 #ifdef __cplusplus
mbed_official 579:53297373a894 11 extern "C" {
mbed_official 579:53297373a894 12 #endif
mbed_official 579:53297373a894 13
mbed_official 579:53297373a894 14 #if (SAMD10) || (SAMD11)
mbed_official 579:53297373a894 15
mbed_official 579:53297373a894 16 #if (SERCOM0_GCLK_ID_SLOW == SERCOM1_GCLK_ID_SLOW && \
mbed_official 579:53297373a894 17 SERCOM0_GCLK_ID_SLOW == SERCOM2_GCLK_ID_SLOW)
mbed_official 579:53297373a894 18 # define SERCOM_GCLK_ID SERCOM0_GCLK_ID_SLOW
mbed_official 579:53297373a894 19 #else
mbed_official 579:53297373a894 20 # error "SERCOM modules must share the same slow GCLK channel ID."
mbed_official 579:53297373a894 21 #endif
mbed_official 579:53297373a894 22
mbed_official 579:53297373a894 23 #else
mbed_official 579:53297373a894 24
mbed_official 579:53297373a894 25 #if (SERCOM0_GCLK_ID_SLOW == SERCOM1_GCLK_ID_SLOW && \
mbed_official 579:53297373a894 26 SERCOM0_GCLK_ID_SLOW == SERCOM2_GCLK_ID_SLOW && \
mbed_official 579:53297373a894 27 SERCOM0_GCLK_ID_SLOW == SERCOM3_GCLK_ID_SLOW)
mbed_official 579:53297373a894 28 # define SERCOM_GCLK_ID SERCOM0_GCLK_ID_SLOW
mbed_official 579:53297373a894 29 #else
mbed_official 579:53297373a894 30 # error "SERCOM modules must share the same slow GCLK channel ID."
mbed_official 579:53297373a894 31 #endif
mbed_official 579:53297373a894 32
mbed_official 579:53297373a894 33 #endif
mbed_official 579:53297373a894 34
mbed_official 579:53297373a894 35 #if (0x1ff >= REV_SERCOM)
mbed_official 579:53297373a894 36 # define FEATURE_SERCOM_SYNCBUSY_SCHEME_VERSION_1
mbed_official 579:53297373a894 37 #elif (0x2ff >= REV_SERCOM)
mbed_official 579:53297373a894 38 # define FEATURE_SERCOM_SYNCBUSY_SCHEME_VERSION_2
mbed_official 579:53297373a894 39 #else
mbed_official 579:53297373a894 40 # error "Unknown SYNCBUSY scheme for this SERCOM revision"
mbed_official 579:53297373a894 41 #endif
mbed_official 579:53297373a894 42
mbed_official 579:53297373a894 43 /**
mbed_official 579:53297373a894 44 * \brief sercom asynchronous operation mode
mbed_official 579:53297373a894 45 *
mbed_official 579:53297373a894 46 * Select sercom asynchronous operation mode
mbed_official 579:53297373a894 47 */
mbed_official 579:53297373a894 48 enum sercom_asynchronous_operation_mode {
mbed_official 579:53297373a894 49 SERCOM_ASYNC_OPERATION_MODE_ARITHMETIC = 0,
mbed_official 579:53297373a894 50 SERCOM_ASYNC_OPERATION_MODE_FRACTIONAL,
mbed_official 579:53297373a894 51 };
mbed_official 579:53297373a894 52
mbed_official 579:53297373a894 53 /**
mbed_official 579:53297373a894 54 * \brief sercom asynchronous samples per bit
mbed_official 579:53297373a894 55 *
mbed_official 579:53297373a894 56 * Select number of samples per bit
mbed_official 579:53297373a894 57 */
mbed_official 579:53297373a894 58 enum sercom_asynchronous_sample_num {
mbed_official 579:53297373a894 59 SERCOM_ASYNC_SAMPLE_NUM_3 = 3,
mbed_official 579:53297373a894 60 SERCOM_ASYNC_SAMPLE_NUM_8 = 8,
mbed_official 579:53297373a894 61 SERCOM_ASYNC_SAMPLE_NUM_16 = 16,
mbed_official 579:53297373a894 62 };
mbed_official 579:53297373a894 63
mbed_official 579:53297373a894 64 enum status_code sercom_set_gclk_generator(
mbed_official 579:53297373a894 65 const enum gclk_generator generator_source,
mbed_official 579:53297373a894 66 const bool force_change);
mbed_official 579:53297373a894 67
mbed_official 579:53297373a894 68 enum status_code _sercom_get_sync_baud_val(
mbed_official 579:53297373a894 69 const uint32_t baudrate,
mbed_official 579:53297373a894 70 const uint32_t external_clock,
mbed_official 579:53297373a894 71 uint16_t *const baudval);
mbed_official 579:53297373a894 72
mbed_official 579:53297373a894 73 enum status_code _sercom_get_async_baud_val(
mbed_official 579:53297373a894 74 const uint32_t baudrate,
mbed_official 579:53297373a894 75 const uint32_t peripheral_clock,
mbed_official 579:53297373a894 76 uint16_t *const baudval,
mbed_official 579:53297373a894 77 enum sercom_asynchronous_operation_mode mode,
mbed_official 579:53297373a894 78 enum sercom_asynchronous_sample_num sample_num);
mbed_official 579:53297373a894 79
mbed_official 579:53297373a894 80 uint32_t _sercom_get_default_pad(
mbed_official 579:53297373a894 81 Sercom *const sercom_module,
mbed_official 579:53297373a894 82 const uint8_t pad);
mbed_official 579:53297373a894 83
mbed_official 579:53297373a894 84 uint8_t _sercom_get_sercom_inst_index(
mbed_official 579:53297373a894 85 Sercom *const sercom_instance);
mbed_official 579:53297373a894 86 #ifdef __cplusplus
mbed_official 579:53297373a894 87 }
mbed_official 579:53297373a894 88 #endif
mbed_official 579:53297373a894 89
mbed_official 579:53297373a894 90 #endif //__SERCOM_H_INCLUDED