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feat(rmt): allow to set init level before any tx transmission

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Closes https://github.com/espressif/esp-idf/issues/16068
This commit is contained in:
Chen Jichang
2025-08-14 11:28:29 +08:00
parent ccf13b9732
commit 6a17241f1f
2 changed files with 2 additions and 1 deletions
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components/esp_driver_rmt/src/rmt_tx.c
+1 -1
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@@ -344,7 +344,7 @@ esp_err_t rmt_new_tx_channel(const rmt_tx_channel_config_t *config, rmt_channel_
// disable carrier modulation by default, can re-enable by `rmt_apply_carrier()`
rmt_ll_tx_enable_carrier_modulation(hal->regs, channel_id, false);
// idle level is determined by register value
rmt_ll_tx_fix_idle_level(hal->regs, channel_id, 0, true);
rmt_ll_tx_fix_idle_level(hal->regs, channel_id, config->flags.init_level, true);
// always enable tx wrap, both DMA mode and ping-pong mode rely this feature
rmt_ll_tx_enable_wrap(hal->regs, channel_id, true);