RIOT-OS/RIOT
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Code Releases Activity
46,807 Commits 40 Branches 189 Tags 262 MiB
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130 Commits

Author SHA1 Message Date
Benjamin Valentin
669104d841 cpu/sam0_common: SPI: don't perform DMA transfer for small buffers 
Setting up a DMA transfer can take longer than sending out a buffer
byte by byte if the buffer is small.

DMA only shows advantages for large buffers, using it for every transfer
will cause a net slowdown.

Since we did not come up with a good way to determine the treshold based
on the SPI frequency, just use a fixed buffer for now so that DMA can be
used without slowing things down overall.
 2021-11-19 17:22:51 +01:00
Bas Stottelaar
22243aec7a cpu/*: realign ENABLE_DEBUG 2020-10-23 00:46:26 +02:00
Benjamin Valentin
824f7aa82b cpu/sam0_common: move PWM to common code 2020-06-07 16:50:17 +02:00
Benjamin Valentin
da89f6ac5f cpu/samd21: don't hard-code number of channels 
Each TCC can have 8 PWM channels, so don't hard-code
3 channels/TCC.
 2020-04-26 22:26:01 +02:00
Benjamin Valentin
4d90a9c6b5 cpu/samd21: pwm: fix GCLK_ID & APBCMASK calculation 
GCLK_ID and APBCMASK entries are not always uniform.
The previous hack would already break for TCC3.

Just explosively write down the cases, there are only 5 at most.
 2020-04-08 15:24:05 +02:00
Benjamin Valentin
01c573c612 cpu/samd21: pwm: allow to use channels > 3 
Channels 4…7 are on the CCB register.
 2020-04-03 01:02:38 +02:00
Juergen Fitschen
1265efc785 cpu/sam0*: Wrap cortexm_sleep call 2020-02-24 11:48:13 +01:00
Benjamin Valentin
b8c4ab5b69 cpu: make use of ARRAY_SIZE macro 2019-08-06 19:43:54 +02:00
Benjamin Valentin
849dd4cdce sam0_common: make Timer implementation common across all sam0 MCUs 
The currently supported SAM0 MCUs (samd21, saml21, saml1x) share the same
Timer peripheral, yet each of them carries it's own copy of the Timer
driver.

This introduces a new timer driver that is common for all sam0 MCUs and
uses structs for configuration instead of defines.
 2019-05-21 11:47:59 +02:00
Benjamin Valentin
077056b949 sam0_common: make RTT implementation common across all sam0 MCUs 
The currently supported SAM0 MCUs (samd21, saml21, saml1x) share the
same RTC peripheral, yet each of them carries it's own copy of the RTT
driver.

Unify the drivers and move them to sam0_common.
 2019-05-09 20:54:00 +02:00
Benjamin Valentin
9aa8c619c1 sam0_common: make RTC implementation common across all sam0 MCUs 
The currently supported SAM0 MCUs (samd21, saml21, saml1x) share the
same RTC peripheral, yet each of them carries it's own copy of the RTC
driver.

Unify the drivers and move them to sam0_common.
 2019-04-15 22:25:47 +02:00
Koen Zandberg
ca5b5a6d0f
samd21: Expose numerical PM states 2019-03-18 13:44:26 +01:00
Joakim Nohlgård
dfa342b5f8 cpu/samd21: Avoid clearing interrupt bits unintentionally 
The INTENSET, INTENCLR, INTFLAG registers are write-1-to-confirm
registers, so writing zeroes will not affect anything, on the other
hand, a compiler generated read-modify-write cycle may unintentionally
affect more bits than the one being set. Avoid by using direct
assignment instead of or-assignment (|=) or bitfield writes (.bit.xxx=).
 2018-03-27 07:54:18 +02:00
smlng
e381317fbf make: fix sign-compare errors 
cpu, nrf5x_common: fix sign-compare in periph/flashpage
    drivers, periph_common: fix sign-compare in flashpage
    cpu, sam0_common: fix sign-compare error in periph/gpio
    cpu, cc2538: fix sign-compare in periph/timer
    cpu, sam3: fix sign-compare in periph/gpio
    cpu, stm32_common: fix sign-compare in periph/pwm
    cpu, stm32_common: fix sign-compare in periph/timer
    cpu, stm32_common: fix sign-compare in periph/flashpage
    cpu, nrf5x_common: fix sign-compare in radio/nrfmin
    cpu, samd21: fix sign-compare in periph/pwm
    cpu, ezr32wg: fix sign-compare in periph/gpio
    cpu, ezr32wg: fix sign-compare in periph/timer
    drivers, ethos: fix sign-compare
    sys, net: fix sign-compare
    cpu, atmega_common: fix sign-compare error
    cpu, msp430fxyz: fix sign-compare in periph/gpio
    boards, msb-430-common: fix sign-compare in board_init
    driver, cc2420: fix sign-compared
    sys/net: fix sign-compare in gnrc_tftp
    driver, pcd8544: fix sign-compare
    driver, pn532: fix sign-compare
    driver, sdcard_spi: fix sign-compare
    tests: fix sign_compare
    sys/net, lwmac: fix sign_compare
    pkg, lwip: fix sign-compare
    boards, waspmote: make CORECLOCK unsigned long to fix sign_compare error
    tests, sock_ip: fix sign compare
    tests, msg_avail: fix sign compare
    tests, sock_udp: fix sign compare
    boards: fix sign-compare for calliope and microbit matrix
 2017-11-28 11:55:48 +01:00
Hauke Petersen
b3962f8d2c cpu/sam0: removed guards form periph drivers 2017-11-09 12:57:02 +01:00
Kaspar Schleiser
a20745b6c5 cpu: make use of Makefile.periph 2017-11-06 12:01:19 +01:00
Alexandre Abadie
6be74db22b cpu/samd21: skip pwm if not defined in board config 2017-10-12 12:07:41 +02:00
Hauke Petersen
b75672628a Merge pull request #7632 from smlng/cpu/sam0_common/vendor_header 
cpu, sam0_common: update vendor headers
 2017-10-09 10:45:36 +02:00
Dan Evans
a59714b02c samd21:add prescaler option for rtt.c 2017-10-02 20:35:07 -07:00
dylad
1e5262506d cpu/sam0: merge GPIO driver 2017-10-01 14:48:12 +02:00
smlng
700793e1ce cpu, samd21: adapt periph drivers for rtt and timer to updated vendor headers 2017-09-20 17:12:10 +02:00
dylad
89c885ea40 sam0/uart: merge samd21 & saml21 uart driver 
Signed-off-by: dylad <dylan.laduranty@mesotic.com>
 2017-08-29 21:26:42 +02:00
Thomas Eichinger
f286f2a276 Merge pull request #7492 from Hyungsin/forupstream_samr21_uart 2017-08-29 08:58:08 -07:00
Hyungsin
5dac8fc263 cpu/samd21: include uart driver only when UART_NUMOF is defined 2017-08-29 08:51:10 -07:00
Alexandre Abadie
03caac8951 Merge pull request #7307 from Hyungsin/forupstream_gpio_fix 
samd21: gpio support samr21e18a
 2017-08-15 19:44:27 +02:00
Hyungsin
e8e06949eb cpu/samd21: add gpio support for samr21e18a 2017-08-15 09:43:18 -07:00
Francisco Acosta
f2efd88f98 Merge pull request #7129 from haukepetersen/opt_periph_sharetimerset 
cpu: add and use shared code for timer_set()
 2017-08-01 15:09:48 +02:00
Dan Evans
08224bd85a samd21/clock: add xosc32/DFLL option 2017-06-26 10:42:23 -06:00
smlng
692cf96297 doc: fix doxygen grouping of cpu periph drivers 2017-06-26 14:42:11 +02:00
Alexandre Abadie
1d062a93d7 Merge pull request #7125 from kbumsik/mkr-fix 
cpu/samd21: Added CPU_MODEL_SAMD21G18A interrupt config
 2017-06-22 16:00:39 +02:00
biboc
0e41861db0 Change my email address: 
<baptiste.clenet@xsoen.com>
to
<bapclenet@gmail.com>
 2017-06-19 10:38:16 +02:00
Hauke Petersen
a1499f4190 cpu: add and use shared code for timer_set() 2017-06-02 12:21:56 +02:00
Bumsik Kim
ab7ab168fb samd21: Added CPU_MODEL_SAMD21G18A interrupt config 2017-06-01 15:40:07 -04:00
Kaspar Schleiser
8501a03cbc cleanup: apply enable_debug_false.cocci to codebase (coccinelle) 
Skipped sys/cbor/cbor.c, examples/microcoap_server/microcoap_sock.c,
as they use different semantics.
 2017-05-15 18:45:43 +02:00
Alexandre Abadie
6b0cf6a728 Merge pull request #7027 from dylad/saml21_adc 
saml21/adc: initial support
 2017-05-12 23:33:47 +02:00
dylad
44dd56c3e8 sam0/adc: merged samd21 & saml21 adc driver 
Signed-off-by: dylad <dylan.laduranty@mesotic.com>
 2017-05-12 21:02:17 +02:00
Kaspar Schleiser
8f239e4c61 Merge pull request #6812 from haukepetersen/fix_cortexm_usecommonsleep 
cpu/sam0|stm32: use common cortexm_sleep()
 2017-05-11 14:44:05 +02:00
Travis Griggs
828a47dd6a samd21/adc: initial implementation 2017-04-27 14:54:29 -07:00
dylad
0bb43529b3 cpu/samd21: do the difference between samr21 and samd21 EXTI 
Signed-off-by: dylad <dylan.laduranty@mesotic.com>
 2017-04-25 21:47:54 +02:00
dylad
e5ef668ac1 cpu/samd21: fix or add missing EXTI on GPIO 
Signed-off-by: dylad <dylan.laduranty@mesotic.com>
 2017-04-10 21:03:16 +02:00
Hauke Petersen
190f319066 cpu/sam0|stm32: use common cortexm_sleep() 2017-03-28 20:00:03 +02:00
Hauke Petersen
8064bd9fa9 periph/pwm: remove pwm_(start|stop) + doc 
- joined start/stop and poweron/poweroff
- added general documentation
 2017-02-13 09:37:31 +01:00
Hauke Petersen
ea07a6817c cpu/sam0+boards: adapted to new SPI API 
- adapted the SPI driver
- merged SPI driver for samr21 and saml21
- adapted all boards using the CPU
 2017-01-25 16:46:45 +01:00
Kaspar Schleiser
9ec39de1d0 cpu: samd21: misc Wextra fixes 2017-01-25 10:10:47 +01:00
Oleg Hahm
d0316fa7ae periph timer: remove timer_irq_(en|dis)able 2017-01-14 15:34:53 +01:00
Kaspar Schleiser
f42e5381ee cpu: samd21: add periph/pm support 2017-01-12 16:26:01 +01:00
Hauke Petersen
3a00fe8e49 cpus: make use of cortexm_isr_end() 2016-12-21 11:28:46 +01:00
Hauke Petersen
2eebf36eb2 cpu/uart: make use of named return values 2016-10-28 10:32:00 +02:00
Hauke Petersen
ac6b73a35c cpu/samd21(common): cleaned up pad selection macros 
- renamed uart and spi pad selection macros to consistent style
- adapted uart and spi implementation to use new names
 2016-10-07 11:02:14 +02:00
Hauke Petersen
d3e41e7b58 cpu/sam21: removed superfluous gpio_init_sercom 
This function was a duplication of the existing gpio_init_mux,
where the exiting function is the more general one, as the mux
inititalization is not only valid for the sercom module...
 2016-10-05 13:19:52 +02:00