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removed delay before init of cyw43 #10038

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Merged
merged 2 commits into from
Feb 15, 2025
Merged

removed delay before init of cyw43 #10038

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e42b699
removed delay before init of cyw43
bablokb Feb 7, 2025
5324f46
make delay before cyw43 initialization a compile-time constant
bablokb Feb 15, 2025
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1 change: 1 addition & 0 deletions ports/raspberrypi/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ CFLAGS_CYW43 := \
-DCYW43_USE_STATS=0 \
-DPICO_BUILD \
-DCYW43_ENABLE_BLUETOOTH=0 \
-DCIRCUITPY_CYW43_INIT_DELAY=$(CIRCUITPY_CYW43_INIT_DELAY) \
-DPICO_CYW43_ARCH_POLL=0

SRC_SDK_CYW43 := \
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6 changes: 6 additions & 0 deletions ports/raspberrypi/mpconfigport.mk
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Expand Up @@ -53,6 +53,9 @@ CIRCUITPY_ALARM ?= 1
CIRCUITPY_PICODVI ?= 0

CIRCUITPY_TOUCHIO ?= 1

# delay in ms before calling cyw43_arch_init_with_country
CIRCUITPY_CYW43_INIT_DELAY ?= 1000
endif

ifeq ($(CHIP_VARIANT),RP2350)
Expand All @@ -65,6 +68,9 @@ CIRCUITPY_PICODVI ?= 1
# So, turn touchio off because it doesn't work.
CIRCUITPY_TOUCHIO = 0

# delay in ms before calling cyw43_arch_init_with_country
CIRCUITPY_CYW43_INIT_DELAY ?= 0

# Audio effects
CIRCUITPY_AUDIOEFFECTS ?= 1
endif
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2 changes: 1 addition & 1 deletion ports/raspberrypi/supervisor/port.c
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Expand Up @@ -361,7 +361,7 @@ safe_mode_t port_init(void) {
// initializing the cyw43 chip. Delays inside cyw43_arch_init_with_country
// are intended to meet the power on timing requirements, but apparently
// are inadequate. We'll back off this long delay based on future testing.
mp_hal_delay_ms(1000);
mp_hal_delay_ms(CIRCUITPY_CYW43_INIT_DELAY);

// Change this as a placeholder as to how to init with country code.
// Default country code is CYW43_COUNTRY_WORLDWIDE)
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