RIOT/cpu/saml21/Makefile.features

CPU_CORE = cortex-m0plus

# The SAMR30 line of MCUs does not contain a TRNG
CPU_MODELS_WITHOUT_HWRNG += samr30%

FEATURES_PROVIDED += periph_gpio_fast_read
FEATURES_PROVIDED += periph_uart_collision

# Low Power SRAM is *not* retained during Backup Sleep.
# It therefore does not fulfill the requirements  of the 'backup_ram' interface.
# It can still be used in normal and standby mode, but code that relies on it
# being availiable during deep sleep / backup mode will not be portable here.
FEATURES_PROVIDED += backup_ram
FEATURES_PROVIDED += periph_rtc_mem

ifeq (,$(filter $(CPU_MODELS_WITHOUT_HWRNG),$(CPU_MODEL)))
  FEATURES_PROVIDED += periph_hwrng
endif


include $(RIOTCPU)/sam0_common/Makefile.features
cpu: Rename CPU_ARCH to CPU_CORE 2020-06-10 13:11:32 +02:00			`CPU_CORE = cortex-m0plus`
cpu/cortexm: move CPU_ARCH/FAM to Makefile.features 2020-01-30 09:49:47 +01:00
cpu/sam0_common: add hwrng driver 2019-04-25 18:15:44 +02:00			`# The SAMR30 line of MCUs does not contain a TRNG`
cpu/saml21: Check CPU_MODEL to provide periph_hwrng 2020-05-29 15:53:24 +02:00			`CPU_MODELS_WITHOUT_HWRNG += samr30%`
cpu/sam0_common: add hwrng driver 2019-04-25 18:15:44 +02:00
sam0: Add periph_gpio_fast_read feature where applicable 2020-09-10 21:59:40 +02:00			`FEATURES_PROVIDED += periph_gpio_fast_read`
cpu/sam0_common: implement periph_uart_collision feature 2021-07-26 14:42:36 +02:00			`FEATURES_PROVIDED += periph_uart_collision`
sam0: Add periph_gpio_fast_read feature where applicable 2020-09-10 21:59:40 +02:00
cpu/saml21: add definitions for low power SRAM SAML21 provides 2/4/8 kiB of Low Power SRAM that is retained in backup mode. This adds definitions to make that memory availiable to RIOT. 2019-05-08 13:27:43 +02:00			`# Low Power SRAM is not retained during Backup Sleep.`
			`# It therefore does not fulfill the requirements of the 'backup_ram' interface.`
			`# It can still be used in normal and standby mode, but code that relies on it`
			`# being availiable during deep sleep / backup mode will not be portable here.`
			`FEATURES_PROVIDED += backup_ram`
cpu/sam0_common: implement periph_rtc_mem 2021-08-19 18:38:26 +02:00			`FEATURES_PROVIDED += periph_rtc_mem`
cpu/saml21: add definitions for low power SRAM SAML21 provides 2/4/8 kiB of Low Power SRAM that is retained in backup mode. This adds definitions to make that memory availiable to RIOT. 2019-05-08 13:27:43 +02:00
cpu/saml21: Check CPU_MODEL to provide periph_hwrng 2020-05-29 15:53:24 +02:00			`ifeq (,$(filter $(CPU_MODELS_WITHOUT_HWRNG),$(CPU_MODEL)))`
cpu/sam0_common: add hwrng driver 2019-04-25 18:15:44 +02:00			`FEATURES_PROVIDED += periph_hwrng`
			`endif`

cpu/saml21: add definitions for low power SRAM SAML21 provides 2/4/8 kiB of Low Power SRAM that is retained in backup mode. This adds definitions to make that memory availiable to RIOT. 2019-05-08 13:27:43 +02:00
cpu: saml21: don't silently ignore missing makefile -include will throw no error if sam0_common/Makefile.features does not exist. This may not have been intentional as none of the other sam0 implementations do this. Replace it with a normal include. 2019-06-25 15:53:49 +02:00			`include $(RIOTCPU)/sam0_common/Makefile.features`