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Merge pull request #16768 from benpicco/drivers/dose-timeout_bytes

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drivers/dose: calculate timeout based on symbol rate
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benpicco 2021-11-10 12:40:13 +01:00 committed by GitHub
commit 026d6cfba1
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3 changed files with 9 additions and 8 deletions
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8
drivers/dose/Kconfig
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@ -13,11 +13,11 @@ menuconfig KCONFIG_USEMODULE_DOSE
if KCONFIG_USEMODULE_DOSE
config DOSE_TIMEOUT_USEC
int "Transaction timeout in microseconds [us]"
default 5000
config DOSE_TIMEOUT_BYTES
int "Transaction timeout in bytes"
default 50
help
Timeout, in microseconds, to bring the driver back into idle state if
Timeout, in bytes at the set baudrate, to bring the driver back into idle state if
the remote side died within a transaction.
endif # KCONFIG_USEMODULE_DOSE

3
drivers/dose/dose.c
View File

@ -662,10 +662,11 @@ void dose_setup(dose_t *ctx, const dose_params_t *params, uint8_t index)
* We have to ensure it is above the XTIMER_BACKOFF. Otherwise state
* transitions are triggered from another state transition setting up the
* timeout. */
ctx->timeout_base = CONFIG_DOSE_TIMEOUT_USEC;
ctx->timeout_base = CONFIG_DOSE_TIMEOUT_BYTES * 10UL * US_PER_SEC / params->baudrate;
if (ctx->timeout_base < xtimer_usec_from_ticks(min_timeout)) {
ctx->timeout_base = xtimer_usec_from_ticks(min_timeout);
}
DEBUG("dose timeout set to %" PRIu32 " µs\n", ctx->timeout_base);
ctx->timeout.callback = _isr_xtimer;
ctx->timeout.arg = ctx;
}

6
drivers/include/dose.h
View File

@ -130,12 +130,12 @@ typedef enum {
* @{
*/
/**
* @brief Timeout that brings the driver back into idle state.
* @brief Timeout that brings the driver back into idle state expressed as bytes.
*
* Fallback to idle if the remote side died within a transaction.
*/
#ifndef CONFIG_DOSE_TIMEOUT_USEC
#define CONFIG_DOSE_TIMEOUT_USEC (5000)
#ifndef CONFIG_DOSE_TIMEOUT_BYTES
#define CONFIG_DOSE_TIMEOUT_BYTES (50)
#endif
/** @} */