adafruit · dhalbert · Mar 28, 2025 · Mar 26, 2025 · Mar 26, 2025 · Mar 26, 2025
diff --git a/main.c b/main.c
@@ -131,9 +131,9 @@ static uint8_t *_allocate_memory(safe_mode_t safe_mode, const char *env_key, siz
     *final_size = default_size;
     #if CIRCUITPY_OS_GETENV
     if (safe_mode == SAFE_MODE_NONE) {
-        (void)common_hal_os_getenv_int(env_key, (mp_int_t *)final_size);
-        if (*final_size < 0) {
-            *final_size = default_size;
+        mp_int_t size;
+        if (common_hal_os_getenv_int(env_key, &size) == GETENV_OK && size > 0) {
+            *final_size = size;
         }
     }
     #endif

diff --git a/ports/atmel-samd/common-hal/audioio/AudioOut.c b/ports/atmel-samd/common-hal/audioio/AudioOut.c
@@ -79,6 +79,9 @@ static void ramp_value(uint16_t start, uint16_t end) {
 // Caller validates that pins are free.
 void common_hal_audioio_audioout_construct(audioio_audioout_obj_t *self,
     const mcu_pin_obj_t *left_channel, const mcu_pin_obj_t *right_channel, uint16_t quiescent_value) {
+
+    // The case of left_channel == right_channel is already disallowed in shared-bindings.
+
     #ifdef SAM_D5X_E5X
     bool dac_clock_enabled = hri_mclk_get_APBDMASK_DAC_bit(MCLK);
     #endif
@@ -107,10 +110,6 @@ void common_hal_audioio_audioout_construct(audioio_audioout_obj_t *self,
     if (right_channel != NULL && right_channel != &pin_PA02 && right_channel != &pin_PA05) {
         raise_ValueError_invalid_pin_name(MP_QSTR_right_channel);
     }
-    if (right_channel == left_channel) {
-        mp_raise_ValueError_varg(MP_ERROR_TEXT("%q and %q must be different"),
-            MP_QSTR_left_channel, MP_QSTR_right_channel);
-    }
     claim_pin(left_channel);
     if (right_channel != NULL) {
         claim_pin(right_channel);

diff --git a/ports/espressif/common-hal/audioio/AudioOut.c b/ports/espressif/common-hal/audioio/AudioOut.c
@@ -11,7 +11,6 @@
 
 #include "driver/dac_continuous.h"
 
-
 #if defined(CONFIG_IDF_TARGET_ESP32)
 #define pin_CHANNEL_0 pin_GPIO25
 #define pin_CHANNEL_1 pin_GPIO26
@@ -304,6 +303,32 @@ static audioout_sample_convert_func_t audioout_get_samples_convert_func(
     }
 }
 
+static void audioio_audioout_start(audioio_audioout_obj_t *self) {
+    esp_err_t ret;
+
+    self->playing = true;
+    self->paused = false;
+
+    ret = dac_continuous_start_async_writing(self->handle);
+    if (ret != ESP_OK) {
+        mp_raise_RuntimeError(MP_ERROR_TEXT("Failed to start async audio"));
+    }
+}
+
+static void audioio_audioout_stop(audioio_audioout_obj_t *self, bool full_stop) {
+    dac_continuous_stop_async_writing(self->handle);
+    if (full_stop) {
+        self->get_buffer_index = 0;
+        self->put_buffer_index = 0;
+        self->sample_buffer = NULL;
+        self->sample = NULL;
+        self->playing = false;
+        self->paused = false;
+    } else {
+        self->paused = true;
+    }
+}
+
 static bool audioout_fill_buffer(audioio_audioout_obj_t *self) {
     if (!self->playing) {
         return false;
@@ -342,7 +367,7 @@ static bool audioout_fill_buffer(audioio_audioout_obj_t *self) {
             &raw_sample_buf, &raw_sample_buf_size);
 
         if (get_buffer_result == GET_BUFFER_ERROR) {
-            common_hal_audioio_audioout_stop(self);
+            audioio_audioout_stop(self, true);
             return false;
         }
 
@@ -390,7 +415,7 @@ static bool audioout_fill_buffer(audioio_audioout_obj_t *self) {
         } else {
             // TODO: figure out if it is ok to call this here or do we need
             // to somehow wait for all of the samples to be flushed
-            common_hal_audioio_audioout_stop(self);
+            audioio_audioout_stop(self, true);
             return false;
         }
     }
@@ -492,24 +517,15 @@ void common_hal_audioio_audioout_construct(audioio_audioout_obj_t *self,
     self->paused = false;
     self->freq_hz = DEFAULT_SAMPLE_RATE;
 
-    /* espressif has two dac channels and it can support true stereo or
-     * outputting the same signal to both channels (dual mono).
-     * if different pins are supplied for left and right then use true stereo.
-     * if the same pin is supplied for left and right then use dual mono.
-     */
+    // The case of left_channel == right_channel is already disallowed in shared-bindings.
+
     if ((left_channel_pin == &pin_CHANNEL_0 &&
          right_channel_pin == &pin_CHANNEL_1) ||
         (left_channel_pin == &pin_CHANNEL_1 &&
          right_channel_pin == &pin_CHANNEL_0)) {
         self->channel_mask = DAC_CHANNEL_MASK_ALL;
         self->num_channels = 2;
         self->channel_mode = DAC_CHANNEL_MODE_ALTER;
-    } else if ((left_channel_pin == &pin_CHANNEL_0 ||
-                left_channel_pin == &pin_CHANNEL_1) &&
-               right_channel_pin == left_channel_pin) {
-        self->channel_mask = DAC_CHANNEL_MASK_ALL;
-        self->num_channels = 1;
-        self->channel_mode = DAC_CHANNEL_MODE_SIMUL;
     } else if (left_channel_pin == &pin_CHANNEL_0 &&
                right_channel_pin == NULL) {
         self->channel_mask = DAC_CHANNEL_MASK_CH0;
@@ -550,32 +566,6 @@ void common_hal_audioio_audioout_deinit(audioio_audioout_obj_t *self) {
     _active_handle = NULL;
 }
 
-static void audioio_audioout_start(audioio_audioout_obj_t *self) {
-    esp_err_t ret;
-
-    self->playing = true;
-    self->paused = false;
-
-    ret = dac_continuous_start_async_writing(self->handle);
-    if (ret != ESP_OK) {
-        mp_raise_RuntimeError(MP_ERROR_TEXT("Failed to start async audio"));
-    }
-}
-
-static void audioio_audioout_stop(audioio_audioout_obj_t *self, bool full_stop) {
-    dac_continuous_stop_async_writing(self->handle);
-    if (full_stop) {
-        self->get_buffer_index = 0;
-        self->put_buffer_index = 0;
-        self->sample_buffer = NULL;
-        self->sample = NULL;
-        self->playing = false;
-        self->paused = false;
-    } else {
-        self->paused = true;
-    }
-}
-
 void common_hal_audioio_audioout_play(audioio_audioout_obj_t *self,
     mp_obj_t sample, bool loop) {
 
@@ -597,7 +587,11 @@ void common_hal_audioio_audioout_play(audioio_audioout_obj_t *self,
     self->looping = loop;
     freq_hz = audiosample_get_sample_rate(self->sample);
 
-    if (freq_hz != self->freq_hz) {
+    // Workaround: always reset the DAC completely between plays,
+    // due to a bug that causes the left and right channels to be swapped randomly.
+    // See https://github.com/espressif/esp-idf/issues/11425
+    // TODO: Remove the `true` when this issue is fixed.
+    if (true || freq_hz != self->freq_hz) {
         common_hal_audioio_audioout_deinit(self);
         self->freq_hz = freq_hz;
         audioout_init(self);

diff --git a/ports/espressif/common-hal/pulseio/PulseIn.c b/ports/espressif/common-hal/pulseio/PulseIn.c
@@ -127,6 +127,9 @@ bool common_hal_pulseio_pulsein_deinited(pulseio_pulsein_obj_t *self) {
 }
 
 void common_hal_pulseio_pulsein_deinit(pulseio_pulsein_obj_t *self) {
+    if (common_hal_pulseio_pulsein_deinited(self)) {
+        return;
+    }
     rmt_disable(self->channel);
     reset_pin_number(self->pin->number);
     rmt_del_channel(self->channel);

diff --git a/ports/espressif/common-hal/pulseio/PulseOut.c b/ports/espressif/common-hal/pulseio/PulseOut.c
@@ -54,6 +54,9 @@ bool common_hal_pulseio_pulseout_deinited(pulseio_pulseout_obj_t *self) {
 }
 
 void common_hal_pulseio_pulseout_deinit(pulseio_pulseout_obj_t *self) {
+    if (common_hal_pulseio_pulseout_deinited(self)) {
+        return;
+    }
     rmt_disable(self->channel);
     rmt_del_encoder(self->encoder);
     rmt_del_channel(self->channel);

diff --git a/ports/raspberrypi/Makefile b/ports/raspberrypi/Makefile
@@ -12,6 +12,7 @@ HAL_DIR=hal/$(MCU_SERIES)
 
 ifeq ($(CIRCUITPY_CYW43),1)
 INC_CYW43 := \
+	-isystem lib/cyw43-driver \
 	-isystem lib/cyw43-driver/firmware \
 	-isystem lib/cyw43-driver/src \
 	-isystem lib/lwip/src/include \
@@ -92,8 +93,6 @@ INC += \
 	-I../shared/timeutils \
 	-Iboards/$(BOARD) \
 	-Iboards/ \
-	-isystem ./../../lib/cmsis/inc \
-	-isystem sdk/ \
 	-isystem sdk/src/common/boot_picobin_headers/include/ \
 	-isystem sdk/src/common/boot_picoboot_headers/include/ \
 	-isystem sdk/src/common/hardware_claim/include/ \
@@ -107,6 +106,8 @@ INC += \
 	-isystem sdk/src/$(CHIP_VARIANT_LOWER)/hardware_structs/include/ \
 	-isystem sdk/src/$(CHIP_VARIANT_LOWER)/pico_platform/include/ \
 	-isystem sdk/src/rp2_common/boot_bootrom_headers/include/ \
+	-isystem sdk/src/rp2_common/cmsis/stub/CMSIS/Core/Include/ \
+	-isystem sdk/src/rp2_common/cmsis/stub/CMSIS/Device/${CHIP_VARIANT}/Include \
 	-isystem sdk/src/rp2_common/cmsis/ \
 	-isystem sdk/src/rp2_common/hardware_adc/include/ \
 	-isystem sdk/src/rp2_common/hardware_base/include/ \
@@ -153,7 +154,7 @@ INC += \
 	-isystem sdk/src/rp2_common/pico_platform_panic/include/ \
 	-isystem sdk/src/rp2_common/pico_time_adapter/include/ \
 	-isystem sdk/src/rp2_common/pico_unique_id/include/ \
-$(INC_CYW43) \
+	$(INC_CYW43) \
 	-Isdk_config \
 	-I../../lib/tinyusb/src \
 	-I../../supervisor/shared/usb \
@@ -222,7 +223,7 @@ endif
 
 DISABLE_WARNINGS = -Wno-cast-align
 
-CFLAGS += $(INC) -Wall -Werror -std=gnu11 -fshort-enums $(BASE_CFLAGS) $(CFLAGS_MOD) $(COPT) $(DISABLE_WARNINGS) -Werror=missing-prototypes
+CFLAGS += $(INC) -Wtype-limits -Wall -Werror -std=gnu11 -fshort-enums $(BASE_CFLAGS) $(CFLAGS_MOD) $(COPT) $(DISABLE_WARNINGS) -Werror=missing-prototypes
 
 PICO_LDFLAGS = --specs=nosys.specs --specs=nano.specs
 

diff --git a/ports/raspberrypi/audio_dma.c b/ports/raspberrypi/audio_dma.c
@@ -15,7 +15,7 @@
 #include "py/mpstate.h"
 #include "py/runtime.h"
 
-#include "src/rp2_common/hardware_irq/include/hardware/irq.h"
+#include "hardware/irq.h"
 #include "hardware/regs/intctrl.h" // For isr_ macro.
 
 

diff --git a/ports/raspberrypi/audio_dma.h b/ports/raspberrypi/audio_dma.h
@@ -9,7 +9,7 @@
 #include "py/obj.h"
 #include "supervisor/background_callback.h"
 
-#include "src/rp2_common/hardware_dma/include/hardware/dma.h"
+#include "hardware/dma.h"
 
 typedef enum {
     AUDIO_DMA_OK,

diff --git a/ports/raspberrypi/bindings/cyw43/__init__.c b/ports/raspberrypi/bindings/cyw43/__init__.c
@@ -12,7 +12,7 @@
 #include "shared-bindings/microcontroller/Pin.h"
 #include "bindings/cyw43/__init__.h"
 
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 
 #include "lib/cyw43-driver/src/cyw43.h"
 

diff --git a/ports/raspberrypi/boards/adafruit_macropad_rp2040/board.c b/ports/raspberrypi/boards/adafruit_macropad_rp2040/board.c
@@ -10,7 +10,7 @@
 #include "shared-module/displayio/mipi_constants.h"
 #include "shared-bindings/busio/SPI.h"
 #include "shared-bindings/microcontroller/Pin.h"
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 #include "supervisor/board.h"
 #include "supervisor/shared/board.h"
 

diff --git a/ports/raspberrypi/boards/adafruit_qt2040_trinkey/board.c b/ports/raspberrypi/boards/adafruit_qt2040_trinkey/board.c
@@ -7,6 +7,6 @@
 #include "supervisor/board.h"
 
 #include "shared-bindings/microcontroller/Pin.h"
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 
 // Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.
diff --git a/ports/raspberrypi/boards/boardsource_blok/board.c b/ports/raspberrypi/boards/boardsource_blok/board.c
@@ -6,7 +6,7 @@
 
 #include "supervisor/board.h"
 #include "shared-bindings/microcontroller/Pin.h"
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 #include "supervisor/shared/board.h"
 
 void board_init(void) {

diff --git a/ports/raspberrypi/boards/bradanlanestudio_explorer_rp2040/board.c b/ports/raspberrypi/boards/bradanlanestudio_explorer_rp2040/board.c
@@ -26,9 +26,9 @@
 #include "shared-module/displayio/__init__.h"
 #include "supervisor/shared/board.h"
 
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 
-#include "src/rp2_common/hardware_adc/include/hardware/adc.h"
+#include "hardware/adc.h"
 #define ADC_FIRST_PIN_NUMBER 26
 #define ADC_PIN_COUNT 4
 extern void common_hal_mcu_delay_us(uint32_t);

diff --git a/ports/raspberrypi/boards/jpconstantineau_encoderpad_rp2040/board.c b/ports/raspberrypi/boards/jpconstantineau_encoderpad_rp2040/board.c
@@ -6,7 +6,7 @@
 
 #include "shared-bindings/board/__init__.h"
 #include "shared-bindings/microcontroller/Pin.h"
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 #include "supervisor/shared/board.h"
 #include "supervisor/board.h"
 

diff --git a/ports/raspberrypi/boards/jpconstantineau_pykey18/board.c b/ports/raspberrypi/boards/jpconstantineau_pykey18/board.c
@@ -6,7 +6,7 @@
 
 #include "supervisor/board.h"
 #include "shared-bindings/microcontroller/Pin.h"
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 #include "supervisor/shared/board.h"
 
 void reset_board(void) {

diff --git a/ports/raspberrypi/boards/jpconstantineau_pykey44/board.c b/ports/raspberrypi/boards/jpconstantineau_pykey44/board.c
@@ -6,7 +6,7 @@
 
 #include "supervisor/board.h"
 #include "shared-bindings/microcontroller/Pin.h"
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 #include "supervisor/shared/board.h"
 
 void reset_board(void) {

diff --git a/ports/raspberrypi/boards/jpconstantineau_pykey60/board.c b/ports/raspberrypi/boards/jpconstantineau_pykey60/board.c
@@ -6,7 +6,7 @@
 
 #include "supervisor/board.h"
 #include "shared-bindings/microcontroller/Pin.h"
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 #include "supervisor/shared/board.h"
 
 void reset_board(void) {

diff --git a/ports/raspberrypi/boards/jpconstantineau_pykey87/board.c b/ports/raspberrypi/boards/jpconstantineau_pykey87/board.c
@@ -6,7 +6,7 @@
 
 #include "supervisor/board.h"
 #include "shared-bindings/microcontroller/Pin.h"
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 #include "supervisor/shared/board.h"
 
 void reset_board(void) {

diff --git a/ports/raspberrypi/boards/ugame22/board.c b/ports/raspberrypi/boards/ugame22/board.c
@@ -7,7 +7,7 @@
 #include "supervisor/board.h"
 
 #include "shared-bindings/microcontroller/Pin.h"
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 
 #include "shared-bindings/busio/SPI.h"
 #include "shared-bindings/fourwire/FourWire.h"

diff --git a/ports/raspberrypi/boards/wk-50/board.c b/ports/raspberrypi/boards/wk-50/board.c
@@ -6,7 +6,7 @@
 
 #include "supervisor/board.h"
 #include "shared-bindings/microcontroller/Pin.h"
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 #include "supervisor/shared/board.h"
 
 void reset_board(void) {

diff --git a/ports/raspberrypi/boards/zrichard_rp2.65-f/board.c b/ports/raspberrypi/boards/zrichard_rp2.65-f/board.c
@@ -6,7 +6,7 @@
 
 #include "supervisor/board.h"
 #include "shared-bindings/microcontroller/Pin.h"
-#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
+#include "hardware/gpio.h"
 #include "supervisor/shared/board.h"
 
 void reset_board(void) {

diff --git a/ports/raspberrypi/boot_stage2/RP2040.c.jinja b/ports/raspberrypi/boot_stage2/RP2040.c.jinja
@@ -1,7 +1,7 @@
-#include "sdk/src/rp2040/hardware_structs/include/hardware/structs/ssi.h"
-#include "sdk/src/rp2040/hardware_structs/include/hardware/structs/pads_qspi.h"
-#include "sdk/src/rp2040/hardware_regs/include/hardware/regs/addressmap.h"
-#include "sdk/src/rp2040/hardware_regs/include/hardware/regs/m0plus.h"
+#include "hardware/structs/ssi.h"
+#include "hardware/structs/pads_qspi.h"
+#include "hardware/regs/addressmap.h"
+#include "hardware/regs/m0plus.h"
 
 // "Mode bits" are 8 special bits sent immediately after
 // the address bits in a "Read Data Fast Quad I/O" command sequence.

diff --git a/ports/raspberrypi/common-hal/analogbufio/BufferedIn.c b/ports/raspberrypi/common-hal/analogbufio/BufferedIn.c
@@ -11,9 +11,9 @@
 #include "shared-bindings/microcontroller/Pin.h"
 #include "shared/runtime/interrupt_char.h"
 #include "py/runtime.h"
-#include "src/rp2_common/hardware_adc/include/hardware/adc.h"
-#include "src/rp2_common/hardware_dma/include/hardware/dma.h"
-#include "src/common/pico_stdlib_headers/include/pico/stdlib.h"
+#include "hardware/adc.h"
+#include "hardware/dma.h"
+#include "pico/stdlib.h"
 
 #define ADC_FIRST_PIN_NUMBER 26
 #define ADC_PIN_COUNT 4