RIOT-OS/RIOT
RIOT-OS/RIOT
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Code Releases Activity
33,538 Commits 40 Branches 189 Tags 262 MiB
94c7f40b9c
Commit Graph

22 Commits

Author SHA1 Message Date
Benjamin Valentin
94c7f40b9c cpu/sam0_common: SPI: add support for SAMD20 2020-12-11 22:33:07 +01:00
Benjamin Valentin
fb2a6b7024 cpu/sam0_common: SPI: cleanup 
Insert whitespace and factor out functions to make it easier to
add functionality.
 2020-12-11 22:33:07 +01:00
Bas Stottelaar
22243aec7a cpu/*: realign ENABLE_DEBUG 2020-10-23 00:46:26 +02:00
Benjamin Valentin
e32b0783c4 cpu/samd21: define CPU_COMMON_SAMD21 symbol and use it 2020-08-24 16:13:18 +02:00
Benjamin Valentin
3e91914831 cpu/sam0_common: spi: implement the periph_spi_reconfigure feature 2020-06-21 21:19:17 +02:00
Koen Zandberg
60f4502e6c
cpu/sam0_common: Make SPI peripheral DMA compatible 2020-06-14 14:56:20 +02:00
Juergen Fitschen
df90176b1f cpu/sam0_common/spi: move clk pin muxing into spi_acquire / spi_release 
When the SPI peripheral is disabled, the output lines will become HIGH-Z.
If the clk pin is not pulled HIGH or LOW, connected SPI slaves will start drawing current expectedly.
 2020-05-23 13:54:39 +02:00
Juergen Fitschen
0032d35fe8 cpu/sam0_common: mitigate rounding errors of baud rate calculation 
Instead of always rounding up, the driver now rounds to the nearest integer. This reduces the absolut rounding error when setting SPI baud rates.
 2020-03-03 12:32:42 +01:00
Benjamin Valentin
1496149bba cpu/sam0: don't hard-code peripheral clocks 
Instead of hard-coding the peripheral clocks to CLOCK_CORECLOCK
introduce helper functions to return the frequency of the individual
GCLKs and use those for baud-rate calculations.

This requires the GCLK to be part of the peripheral's config struct.
While this is already the case for most peripherals, this also adds
it for those where it wasn't used before.

As it defaults to 0 (CLOCK_CORECLOCK) no change is to be expected.
 2020-02-04 21:06:21 +01:00
Daniel Lockau
5ea4fcd9c8 cpu/sam0_common/periph/spi: uncrustify 2019-11-27 07:16:22 +01:00
Daniel Lockau
c5ad13cb18 cpu/sam0_common/periph/spi: power off spi bus on release 2019-11-27 07:16:22 +01:00
Benjamin Valentin
d21dc25cfe sam0/spi: Don't re-configure SPI device when not needed 
Currently, spi_acquire() will always re-configure the SPI bus.
If the configuration did not change, this is entirely uneccecary
and makes SPI operations take longer than needed.

Instead, compare the current configuration with the new configuration
and skip the initialisation if it didn't change since the last call.
 2019-11-12 11:31:41 +01:00
Benjamin Valentin
7415e0590e sam0_common: spi: use sercom_set_gen() instead of re-implementing it 
Don't repeat yourself and introduce errors in doing so.
 2019-05-25 19:13:53 +02:00
Benjamin Valentin
31f88a2d0e sam0_common: periph/spi: use sercom_clk_en/dis() 
Use already existing functions to turn on / off SERCOM clocks instead
of replicating the functionality in the driver.
 2019-05-25 19:09:32 +02:00
Dylan Laduranty
9450fa7dc3 cpu/sam0_common: add support for saml10/saml11 
Add SAML10/SAML11 support through SAM0 because hardware IP are the same so reuse to avoid duplication
 2019-01-21 17:06:58 +01:00
Alexandre Abadie
13654a950b cpu/samr30: add support for samr30g18a 
Co-authored-by: biboc <bapclenet@gmail.com>
 2018-10-01 10:15:08 +02:00
dylad
4e6d3d1f92 sam0/spi: fix SPI mode assignment 
Signed-off-by: dylad <dylan.laduranty@mesotic.com>
 2018-09-04 13:58:51 +02:00
smlng
7309171303 build: fix unused parameter errors 
cpu, sam0_common: fix unused parameter in periph/spi
        cpu, kinetis_common: fix unused parameter in periph/spi
        cpu, cc2538: fix unused param in periph/i2c
        cpu, cc2538: fix unused param in periph/spi
        cpu, sam3: fix unused param in periph/spi
        cpu, stm32_common: fix unused param in periph/pm
        cpu, stm32f3: fix unused params in periph/i2c
        cpu, nrf5x_common: fix unused param in periph/gpio
        cpu, nrf5x_common: fix unused param in periph/spi
        cpu, lpc2387: fix unused params in periph/spi
        cpu, cc2538: fix unused params in radio/netdev
        cpu, cc2650: fix unused params in periph/uart
        cpu, lm4f120: fix unused param in periph/spi
        cpu, lm4f120: fix unused params in periph/timer
        cpu, lm4f120: fix unused params in periph/uart
        cpu, stm32_common: fix unused params in periph/dac
        cpu, stm32l0: fix unused params in periph/i2c
        cpu, msp430fxyz: fix unused params in periph/uart
        cpu, mips: fix unused params
        cpu, cc430: fix unused-params in periph/timer
        cpu, msp430fxyz: fix unused params in periph/spi
        drivers, cc2420: fix unused param
        cpu, mips32r2_common: fix unused params in periph/timer
        cpu, cc2538: fix unused-param in periph/i2c
        cpu, mips32r2_common: fix unused-param in periph/timer
        cpu, msp430fxyz: fix unused params in periph/timer
        cpu, atmega_common: fix unused params in periph/spi
        driver, nrfmin: fix unused params
        cpu, cc2538_rf: fix unused params
        driver, netdev_ieee802514: fix unused param
        cpu, mip_pic32m: fix unused params
        cpu, lpc2387: fix unused params in periph/pwm
        tests/driver_sdcard_spi: fix unused params
        cpu, sam3: fix unused param in periph/pwm
        tests/driver_dynamixel: fix unused params, and style issues
        cpu, cc430: fix unused param in periph/rtc
        cpu, atmega_common: fix unused params in periph/i2c
 2017-11-28 14:36:01 +01:00
smlng
01af6d94c4 cpu, periph: retain constness in spi_transfer_bytes 2017-06-29 15:47:13 +02:00
smlng
692cf96297 doc: fix doxygen grouping of cpu periph drivers 2017-06-26 14:42:11 +02:00
Michael Andersen
20ee531486 periph/spi: hotfix for power regression 2017-05-12 10:24:47 -07:00
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