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1-bit SDIO to kill the wedge-reboot loop; gong on cold boot only
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Night-watch caught the instability in the act at 7min uptime:
  E H_SDIO_DRV: sdio_write_task: Failed to send data: 258 (timeout)
  E H_SDIO_DRV: Unrecoverable host sdio state -> SW_CPU_RESET
i.e. esp-hosted-mcu#167. Known mitigation: 1-bit SDIO bus (#148),
still ~80x voice bandwidth. Also: recovery reboots no longer ring
the gong (esp_reset_reason gate) - a butler doesn't bong at 3am.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
jpmschweitzer
2026-07-15 01:19:52 +02:00
co-authored by Claude Fable 5
parent b8974ec84f
commit 7943e0e72a
2 changed files with 8 additions and 1 deletions
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firmware/sdkconfig.defaults
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@@ -55,3 +55,7 @@ CONFIG_ESP_HOSTED_SDIO_CLOCK_FREQ_KHZ=20000
# headroom for diag event handlers that touch LVGL
CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=4096
# 1-bit SDIO: fixes the "Unrecoverable host sdio state" wedge family
# (esp-hosted-mcu #167/#148); 2.5MB/s is ~80x what voice needs
CONFIG_ESP_HOSTED_SDIO_1_BIT_BUS=y