[riot-notifications] [RIOT-OS/RIOT] drivers/dose: make use of start condition received interrupt (#16506)
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Fri May 28 00:06:48 CEST 2021
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### Contribution description
DOSE can make use of a GPIO to detect the start condition, however some UARTs already have this capability build in and can generate an interrupt when a start condition is detected.
Implement this feature for the sam0 family and make use of it in the DOSE driver.
### Testing procedure
DOSE should perform just as well without the extra wire / GPIO with this feature enabled. (not sure how to verify this)
### Issues/PRs references
Examples: Fixes #1234. See also #5678. Depends on PR #9876.
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-- Commit Summary --
* drivers/periph/uart: add periph_uart_rx_start feature
* cpu/sam0_common: implement periph_uart_rx_start feature
* drivers/dose: make use of periph_uart_rx_start feature
-- File Changes --
M cpu/sam0_common/Kconfig (1)
M cpu/sam0_common/Makefile.features (1)
M cpu/sam0_common/periph/uart.c (40)
M drivers/dose/Makefile.dep (1)
M drivers/dose/dose.c (60)
M drivers/dose/include/dose_params.h (5)
M drivers/include/dose.h (4)
M drivers/include/periph/uart.h (43)
M kconfigs/Kconfig.features (5)
-- Patch Links --
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