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-rw-r--r--ports/esp32s2/Makefile8
-rw-r--r--ports/esp32s2/boards/espressif_saola_1_wroom/board.c8
-rw-r--r--ports/esp32s2/boards/espressif_saola_1_wroom/mpconfigboard.mk2
-rw-r--r--ports/esp32s2/boards/espressif_saola_1_wrover/board.c8
-rw-r--r--ports/esp32s2/boards/espressif_saola_1_wrover/mpconfigboard.mk2
-rw-r--r--ports/esp32s2/common-hal/digitalio/DigitalInOut.c86
-rw-r--r--ports/esp32s2/common-hal/microcontroller/Pin.c41
-rw-r--r--ports/esp32s2/common-hal/microcontroller/Pin.h9
-rw-r--r--ports/esp32s2/common-hal/microcontroller/__init__.c9
-rw-r--r--ports/esp32s2/common-hal/supervisor/Runtime.c1
-rw-r--r--ports/esp32s2/common-hal/supervisor/__init__.c2
m---------ports/esp32s2/esp-idf0
-rw-r--r--ports/esp32s2/modules/module.h35
-rw-r--r--ports/esp32s2/modules/none.c28
-rw-r--r--ports/esp32s2/modules/wroom.c37
-rw-r--r--ports/esp32s2/modules/wrover.c38
-rw-r--r--ports/esp32s2/mpconfigport.h1
-rw-r--r--ports/esp32s2/mpconfigport.mk2
-rw-r--r--ports/esp32s2/mphalport.c20
-rw-r--r--ports/esp32s2/peripherals/pins.h4
-rw-r--r--ports/esp32s2/sdkconfig.defaults2
-rw-r--r--ports/esp32s2/supervisor/internal_flash.c7
-rw-r--r--ports/esp32s2/supervisor/port.c7
-rw-r--r--ports/esp32s2/supervisor/usb.c14
-rw-r--r--ports/esp32s2/tools/decode_backtrace.py23
25 files changed, 330 insertions, 64 deletions
diff --git a/ports/esp32s2/Makefile b/ports/esp32s2/Makefile
index be4b2f00f..5ad5c2f1d 100644
--- a/ports/esp32s2/Makefile
+++ b/ports/esp32s2/Makefile
@@ -31,6 +31,9 @@ else
endif
endif
+# If the flash PORT is not given, use the default /dev/tty.SLAB_USBtoUART.
+PORT ?= /dev/tty.SLAB_USBtoUART
+
# If the build directory is not given, make it reflect the board name.
BUILD ?= build-$(BOARD)
@@ -107,7 +110,7 @@ endif
CFLAGS += $(INC) -Werror -Wall -mlongcalls -std=gnu11 -Wl,--gc-sections $(BASE_CFLAGS) $(C_DEFS) $(CFLAGS_MOD) $(COPT)
-LDFLAGS = $(CFLAGS) -fshort-enums -Wl,-nostdlib -Wl,-Map=$@.map -Wl,-cref
+LDFLAGS = $(CFLAGS) -Wl,-nostdlib -Wl,-Map=$@.map -Wl,-cref
LDFLAGS += -L$(BUILD)/esp-idf/esp-idf/esp32s2 \
-Tesp32s2_out.ld \
-L$(BUILD)/esp-idf/esp-idf/esp32s2/ld \
@@ -149,6 +152,7 @@ SRC_C += \
mphalport.c \
boards/$(BOARD)/board.c \
boards/$(BOARD)/pins.c \
+ modules/$(CIRCUITPY_MODULE).c \
lib/libc/string0.c \
lib/mp-readline/readline.c \
lib/oofatfs/ff.c \
@@ -270,7 +274,7 @@ $(BUILD)/firmware.bin: $(BUILD)/esp-idf/partition_table/partition-table.bin $(BU
$(Q)$(PYTHON) ../../tools/join_bins.py $@ 0x1000 $(BUILD)/esp-idf/bootloader/bootloader.bin 0x8000 $(BUILD)/esp-idf/partition_table/partition-table.bin 0x10000 $(BUILD)/circuitpython-firmware.bin
flash: $(BUILD)/firmware.bin
- esptool.py --chip esp32s2 -p /dev/tty.SLAB_USBtoUART -b 460800 --before=default_reset --after=hard_reset write_flash $(FLASH_FLAGS) 0x0000 $^
+ esptool.py --chip esp32s2 -p $(PORT) -b 460800 --before=default_reset --after=hard_reset write_flash $(FLASH_FLAGS) 0x0000 $^
include $(TOP)/py/mkrules.mk
diff --git a/ports/esp32s2/boards/espressif_saola_1_wroom/board.c b/ports/esp32s2/boards/espressif_saola_1_wroom/board.c
index a3a351f27..b7b2c4ef5 100644
--- a/ports/esp32s2/boards/espressif_saola_1_wroom/board.c
+++ b/ports/esp32s2/boards/espressif_saola_1_wroom/board.c
@@ -26,8 +26,16 @@
#include "boards/board.h"
#include "mpconfigboard.h"
+#include "shared-bindings/microcontroller/Pin.h"
void board_init(void) {
+ // USB
+ never_reset_pin(&pin_GPIO19);
+ never_reset_pin(&pin_GPIO20);
+
+ // Debug UART
+ never_reset_pin(&pin_GPIO43);
+ never_reset_pin(&pin_GPIO44);
}
bool board_requests_safe_mode(void) {
diff --git a/ports/esp32s2/boards/espressif_saola_1_wroom/mpconfigboard.mk b/ports/esp32s2/boards/espressif_saola_1_wroom/mpconfigboard.mk
index aa82588a5..cd2735615 100644
--- a/ports/esp32s2/boards/espressif_saola_1_wroom/mpconfigboard.mk
+++ b/ports/esp32s2/boards/espressif_saola_1_wroom/mpconfigboard.mk
@@ -18,3 +18,5 @@ CIRCUITPY_MICROCONTROLLER = 0
CIRCUITPY_ESP_FLASH_MODE=dio
CIRCUITPY_ESP_FLASH_FREQ=40m
CIRCUITPY_ESP_FLASH_SIZE=4MB
+
+CIRCUITPY_MODULE=wroom
diff --git a/ports/esp32s2/boards/espressif_saola_1_wrover/board.c b/ports/esp32s2/boards/espressif_saola_1_wrover/board.c
index a3a351f27..b7b2c4ef5 100644
--- a/ports/esp32s2/boards/espressif_saola_1_wrover/board.c
+++ b/ports/esp32s2/boards/espressif_saola_1_wrover/board.c
@@ -26,8 +26,16 @@
#include "boards/board.h"
#include "mpconfigboard.h"
+#include "shared-bindings/microcontroller/Pin.h"
void board_init(void) {
+ // USB
+ never_reset_pin(&pin_GPIO19);
+ never_reset_pin(&pin_GPIO20);
+
+ // Debug UART
+ never_reset_pin(&pin_GPIO43);
+ never_reset_pin(&pin_GPIO44);
}
bool board_requests_safe_mode(void) {
diff --git a/ports/esp32s2/boards/espressif_saola_1_wrover/mpconfigboard.mk b/ports/esp32s2/boards/espressif_saola_1_wrover/mpconfigboard.mk
index ff7e6228a..0b847de94 100644
--- a/ports/esp32s2/boards/espressif_saola_1_wrover/mpconfigboard.mk
+++ b/ports/esp32s2/boards/espressif_saola_1_wrover/mpconfigboard.mk
@@ -18,3 +18,5 @@ CIRCUITPY_MICROCONTROLLER = 0
CIRCUITPY_ESP_FLASH_MODE=dio
CIRCUITPY_ESP_FLASH_FREQ=40m
CIRCUITPY_ESP_FLASH_SIZE=4MB
+
+CIRCUITPY_MODULE=wrover
diff --git a/ports/esp32s2/common-hal/digitalio/DigitalInOut.c b/ports/esp32s2/common-hal/digitalio/DigitalInOut.c
index 349da6bf4..7745a9c0a 100644
--- a/ports/esp32s2/common-hal/digitalio/DigitalInOut.c
+++ b/ports/esp32s2/common-hal/digitalio/DigitalInOut.c
@@ -30,24 +30,18 @@
#include "driver/gpio.h"
-
-#include "esp_log.h"
-
-static const char* TAG = "CircuitPython digitalio";
+#include "esp-idf/components/soc/include/hal/gpio_hal.h"
void common_hal_digitalio_digitalinout_never_reset(
digitalio_digitalinout_obj_t *self) {
- (void)self;
+ never_reset_pin_number(self->pin->number);
}
digitalinout_result_t common_hal_digitalio_digitalinout_construct(
digitalio_digitalinout_obj_t *self, const mcu_pin_obj_t *pin) {
-
- // claim_pin(pin);
+ claim_pin(pin);
self->pin = pin;
- ESP_EARLY_LOGW(TAG, "construct %d", pin->number);
-
return DIGITALINOUT_OK;
}
@@ -60,78 +54,86 @@ void common_hal_digitalio_digitalinout_deinit(digitalio_digitalinout_obj_t *self
return;
}
- // reset_pin_number(0, self->pin->number);
+ reset_pin_number(self->pin->number);
self->pin = mp_const_none;
}
void common_hal_digitalio_digitalinout_switch_to_input(
digitalio_digitalinout_obj_t *self, digitalio_pull_t pull) {
- gpio_config_t config = {
- .pin_bit_mask = 1 << self->pin->number,
- .mode = GPIO_MODE_INPUT
- };
- if (pull == PULL_UP) {
- config.pull_up_en = GPIO_PULLUP_ENABLE;
- } else if (pull == PULL_DOWN) {
- config.pull_down_en = GPIO_PULLDOWN_ENABLE;
- }
-
- gpio_config(&config);
+ common_hal_digitalio_digitalinout_set_pull(self, pull);
+ gpio_set_direction(self->pin->number, GPIO_MODE_DEF_INPUT);
}
-void common_hal_digitalio_digitalinout_switch_to_output(
+digitalinout_result_t common_hal_digitalio_digitalinout_switch_to_output(
digitalio_digitalinout_obj_t *self, bool value,
digitalio_drive_mode_t drive_mode) {
- gpio_config_t config = {
- .pin_bit_mask = 1ULL << self->pin->number,
- .mode = GPIO_MODE_OUTPUT
- };
- if (drive_mode == DRIVE_MODE_OPEN_DRAIN) {
- config.mode = GPIO_MODE_OUTPUT_OD;
- }
gpio_set_level(self->pin->number, value);
- gpio_config(&config);
+ return common_hal_digitalio_digitalinout_set_drive_mode(self, drive_mode);
}
digitalio_direction_t common_hal_digitalio_digitalinout_get_direction(
digitalio_digitalinout_obj_t *self) {
-
+ uint32_t iomux = READ_PERI_REG(GPIO_PIN_MUX_REG[self->pin->number]);
+ if ((iomux & FUN_IE) != 0) {
+ return DIRECTION_INPUT;
+ }
return DIRECTION_OUTPUT;
}
void common_hal_digitalio_digitalinout_set_value(
digitalio_digitalinout_obj_t *self, bool value) {
- ESP_EARLY_LOGW(TAG, "set %d %d", self->pin->number, value);
gpio_set_level(self->pin->number, value);
}
bool common_hal_digitalio_digitalinout_get_value(
digitalio_digitalinout_obj_t *self) {
- return true;
+ return gpio_get_level(self->pin->number) == 1;
}
-void common_hal_digitalio_digitalinout_set_drive_mode(
+digitalinout_result_t common_hal_digitalio_digitalinout_set_drive_mode(
digitalio_digitalinout_obj_t *self,
digitalio_drive_mode_t drive_mode) {
- (void)self;
- (void)drive_mode;
+ gpio_num_t number = self->pin->number;
+ gpio_mode_t mode;
+ if (drive_mode == DRIVE_MODE_OPEN_DRAIN) {
+ mode = GPIO_MODE_DEF_OD;
+ } else {
+ mode = GPIO_MODE_DEF_OUTPUT;
+ }
+ esp_err_t result = gpio_set_direction(number, mode);
+ if (result != ESP_OK) {
+ return DIGITALINOUT_INPUT_ONLY;
+ }
+ return DIGITALINOUT_OK;
}
digitalio_drive_mode_t common_hal_digitalio_digitalinout_get_drive_mode(
digitalio_digitalinout_obj_t *self) {
- // if (common_hal_digitalio_digitalinout_get_direction(self) == DIRECTION_OUTPUT)
- // return DRIVE_MODE_PUSH_PULL;
- // else
- return DRIVE_MODE_OPEN_DRAIN;
+ if (GPIO_HAL_GET_HW(GPIO_PORT_0)->pin[self->pin->number].pad_driver == 1) {
+ return DRIVE_MODE_OPEN_DRAIN;
+ }
+ return DRIVE_MODE_PUSH_PULL;
}
void common_hal_digitalio_digitalinout_set_pull(
digitalio_digitalinout_obj_t *self, digitalio_pull_t pull) {
- (void)self;
- (void)pull;
+ gpio_num_t number = self->pin->number;
+ gpio_pullup_dis(number);
+ gpio_pulldown_dis(number);
+ if (pull == PULL_UP) {
+ gpio_pullup_en(number);
+ } else if (pull == PULL_DOWN) {
+ gpio_pulldown_en(number);
+ }
}
digitalio_pull_t common_hal_digitalio_digitalinout_get_pull(
digitalio_digitalinout_obj_t *self) {
+ gpio_num_t gpio_num = self->pin->number;
+ if (REG_GET_BIT(GPIO_PIN_MUX_REG[gpio_num], FUN_PU) == 1) {
+ return PULL_UP;
+ } else if (REG_GET_BIT(GPIO_PIN_MUX_REG[gpio_num], FUN_PD) == 1) {
+ return PULL_DOWN;
+ }
return PULL_NONE;
}
diff --git a/ports/esp32s2/common-hal/microcontroller/Pin.c b/ports/esp32s2/common-hal/microcontroller/Pin.c
index e142191fd..4c39eea16 100644
--- a/ports/esp32s2/common-hal/microcontroller/Pin.c
+++ b/ports/esp32s2/common-hal/microcontroller/Pin.c
@@ -29,18 +29,51 @@
#include "py/mphal.h"
+#include "esp-idf/components/driver/include/driver/gpio.h"
+#include "esp-idf/components/soc/include/hal/gpio_hal.h"
+
+STATIC uint32_t never_reset_pins[2];
+STATIC uint32_t in_use[2];
+
+void never_reset_pin_number(gpio_num_t pin_number) {
+ never_reset_pins[pin_number / 32] |= 1 << pin_number % 32;
+}
+
+void never_reset_pin(const mcu_pin_obj_t* pin) {
+ never_reset_pin_number(pin->number);
+}
+
// Mark pin as free and return it to a quiescent state.
-void reset_pin_number(uint8_t pin_port, uint8_t pin_number) {
+void reset_pin_number(gpio_num_t pin_number) {
+ never_reset_pins[pin_number / 32] &= ~(1 << pin_number % 32);
+ in_use[pin_number / 32] &= ~(1 << pin_number % 32);
}
+void reset_all_pins(void) {
+ for (uint8_t i = 0; i < GPIO_PIN_COUNT; i++) {
+ uint32_t iomux_address = GPIO_PIN_MUX_REG[i];
+ if (iomux_address == 0 ||
+ (never_reset_pins[i / 32] & (1 << i % 32)) != 0) {
+ continue;
+ }
+ gpio_set_direction(i, GPIO_MODE_DEF_INPUT);
+ gpio_pullup_dis(i);
+ gpio_pulldown_dis(i);
+ }
+ in_use[0] = 0;
+ in_use[1] = 0;
+}
void claim_pin(const mcu_pin_obj_t* pin) {
+ in_use[pin->number / 32] |= (1 << pin->number % 32);
}
-bool pin_number_is_free(uint8_t pin_port, uint8_t pin_number) {
- return true;
+bool pin_number_is_free(gpio_num_t pin_number) {
+ uint8_t offset = pin_number / 32;
+ uint8_t mask = 1 << pin_number % 32;
+ return (never_reset_pins[offset] & mask) == 0 && (in_use[offset] & mask) == 0;
}
bool common_hal_mcu_pin_is_free(const mcu_pin_obj_t *pin) {
- return pin_number_is_free(0, pin->number);
+ return pin_number_is_free(pin->number);
}
diff --git a/ports/esp32s2/common-hal/microcontroller/Pin.h b/ports/esp32s2/common-hal/microcontroller/Pin.h
index ab5574422..6f47b1ed3 100644
--- a/ports/esp32s2/common-hal/microcontroller/Pin.h
+++ b/ports/esp32s2/common-hal/microcontroller/Pin.h
@@ -34,11 +34,10 @@
void reset_all_pins(void);
// reset_pin_number takes the pin number instead of the pointer so that objects don't
// need to store a full pointer.
-void reset_pin_number(uint8_t pin_port, uint8_t pin_number);
+void reset_pin_number(gpio_num_t pin_number);
void claim_pin(const mcu_pin_obj_t* pin);
-bool pin_number_is_free(uint8_t pin_port, uint8_t pin_number);
-void never_reset_pin_number(uint8_t pin_port, uint8_t pin_number);
-// GPIO_TypeDef * pin_port(uint8_t pin_port);
-uint16_t pin_mask(uint8_t pin_number);
+bool pin_number_is_free(gpio_num_t pin_number);
+void never_reset_pin_number(gpio_num_t pin_number);
+void never_reset_pin(const mcu_pin_obj_t* pin);
#endif // MICROPY_INCLUDED_ESP32S2_COMMON_HAL_MICROCONTROLLER_PIN_H
diff --git a/ports/esp32s2/common-hal/microcontroller/__init__.c b/ports/esp32s2/common-hal/microcontroller/__init__.c
index a36d0c440..6b2e18673 100644
--- a/ports/esp32s2/common-hal/microcontroller/__init__.c
+++ b/ports/esp32s2/common-hal/microcontroller/__init__.c
@@ -39,24 +39,31 @@
#include "supervisor/filesystem.h"
#include "supervisor/shared/safe_mode.h"
+#include "freertos/FreeRTOS.h"
+
void common_hal_mcu_delay_us(uint32_t delay) {
}
volatile uint32_t nesting_count = 0;
+static portMUX_TYPE cp_mutex = portMUX_INITIALIZER_UNLOCKED;
void common_hal_mcu_disable_interrupts(void) {
+ if (nesting_count == 0) {
+ portENTER_CRITICAL(&cp_mutex);
+ }
nesting_count++;
}
void common_hal_mcu_enable_interrupts(void) {
if (nesting_count == 0) {
-
+ // Maybe log here because it's very bad.
}
nesting_count--;
if (nesting_count > 0) {
return;
}
+ portEXIT_CRITICAL(&cp_mutex);
}
void common_hal_mcu_on_next_reset(mcu_runmode_t runmode) {
diff --git a/ports/esp32s2/common-hal/supervisor/Runtime.c b/ports/esp32s2/common-hal/supervisor/Runtime.c
index feab6987d..ea663f897 100644
--- a/ports/esp32s2/common-hal/supervisor/Runtime.c
+++ b/ports/esp32s2/common-hal/supervisor/Runtime.c
@@ -35,4 +35,3 @@ bool common_hal_get_serial_connected(void) {
bool common_hal_get_serial_bytes_available(void) {
return (bool) serial_bytes_available();
}
-
diff --git a/ports/esp32s2/common-hal/supervisor/__init__.c b/ports/esp32s2/common-hal/supervisor/__init__.c
index ac88556b4..6dca35fb5 100644
--- a/ports/esp32s2/common-hal/supervisor/__init__.c
+++ b/ports/esp32s2/common-hal/supervisor/__init__.c
@@ -37,4 +37,4 @@ const super_runtime_obj_t common_hal_supervisor_runtime_obj = {
.base = {
.type = &supervisor_runtime_type,
},
-}; \ No newline at end of file
+};
diff --git a/ports/esp32s2/esp-idf b/ports/esp32s2/esp-idf
-Subproject 0daf6e0e41f95d22d193d08941a00df9525bc40
+Subproject 7aae7f034bab68d2dd6aaa763924c91eb697d87
diff --git a/ports/esp32s2/modules/module.h b/ports/esp32s2/modules/module.h
new file mode 100644
index 000000000..6c40e30e0
--- /dev/null
+++ b/ports/esp32s2/modules/module.h
@@ -0,0 +1,35 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+
+#ifndef MICROPY_INCLUDED_ESP32S2_MODULES_MODULE_H
+#define MICROPY_INCLUDED_ESP32S2_MODULES_MODULE_H
+
+#include "shared-bindings/microcontroller/Pin.h"
+
+void never_reset_module_internal_pins(void);
+
+#endif // MICROPY_INCLUDED_ESP32S2_MODULES_MODULE_H
diff --git a/ports/esp32s2/modules/none.c b/ports/esp32s2/modules/none.c
new file mode 100644
index 000000000..9b5433bd9
--- /dev/null
+++ b/ports/esp32s2/modules/none.c
@@ -0,0 +1,28 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+void never_reset_module_internal_pins(void) {
+}
diff --git a/ports/esp32s2/modules/wroom.c b/ports/esp32s2/modules/wroom.c
new file mode 100644
index 000000000..16c586118
--- /dev/null
+++ b/ports/esp32s2/modules/wroom.c
@@ -0,0 +1,37 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "modules/module.h"
+
+void never_reset_module_internal_pins(void) {
+ // SPI Flash
+ never_reset_pin(&pin_GPIO27);
+ never_reset_pin(&pin_GPIO28);
+ never_reset_pin(&pin_GPIO29);
+ never_reset_pin(&pin_GPIO30);
+ never_reset_pin(&pin_GPIO31);
+ never_reset_pin(&pin_GPIO32);
+}
diff --git a/ports/esp32s2/modules/wrover.c b/ports/esp32s2/modules/wrover.c
new file mode 100644
index 000000000..d589a8fd4
--- /dev/null
+++ b/ports/esp32s2/modules/wrover.c
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "modules/module.h"
+
+void never_reset_module_internal_pins(void) {
+ // SPI Flash and RAM
+ never_reset_pin(&pin_GPIO26);
+ never_reset_pin(&pin_GPIO27);
+ never_reset_pin(&pin_GPIO28);
+ never_reset_pin(&pin_GPIO29);
+ never_reset_pin(&pin_GPIO30);
+ never_reset_pin(&pin_GPIO31);
+ never_reset_pin(&pin_GPIO32);
+}
diff --git a/ports/esp32s2/mpconfigport.h b/ports/esp32s2/mpconfigport.h
index c307d4791..d340bb480 100644
--- a/ports/esp32s2/mpconfigport.h
+++ b/ports/esp32s2/mpconfigport.h
@@ -32,6 +32,7 @@
#define MICROPY_NLR_THUMB (0)
#define MICROPY_PY_UJSON (0)
+#define MICROPY_USE_INTERNAL_PRINTF (0)
#include "py/circuitpy_mpconfig.h"
diff --git a/ports/esp32s2/mpconfigport.mk b/ports/esp32s2/mpconfigport.mk
index 6d66d9057..c9df81db0 100644
--- a/ports/esp32s2/mpconfigport.mk
+++ b/ports/esp32s2/mpconfigport.mk
@@ -33,3 +33,5 @@ CIRCUITPY_TOUCHIO = 0
# Enable USB support
CIRCUITPY_USB_HID = 1
CIRCUITPY_USB_MIDI = 1
+
+CIRCUITPY_MODULE ?= none
diff --git a/ports/esp32s2/mphalport.c b/ports/esp32s2/mphalport.c
index 772b61c9e..da5258b0e 100644
--- a/ports/esp32s2/mphalport.c
+++ b/ports/esp32s2/mphalport.c
@@ -37,6 +37,24 @@ void mp_hal_delay_us(mp_uint_t delay) {
mp_hal_delay_ms(delay / 1000);
}
-mp_uint_t cpu_get_regs_and_sp(mp_uint_t *regs) {
+// This is provided by the esp-idf/components/xtensa/esp32s2/libhal.a binary
+// blob.
+extern void xthal_window_spill(void);
+
+mp_uint_t cpu_get_regs_and_sp(mp_uint_t *regs, uint8_t reg_count) {
+ // xtensa has more registers than an instruction can address. The 16 that
+ // can be addressed are called the "window". When a function is called or
+ // returns the window rotates. This allows for more efficient function calls
+ // because ram doesn't need to be used. It's only used if the window wraps
+ // around onto itself. At that point values are "spilled" to empty spots in
+ // the stack that were set aside. When the window rotates back around (on
+ // function return), the values are restored into the register from ram.
+
+ // So, in order to read the values in the stack scan we must make sure all
+ // of the register values we care about have been spilled to RAM. Luckily,
+ // there is a HAL call to do it. There is a bit of a race condition here
+ // because the register value could change after it's been restored but that
+ // is unlikely to happen with a heap pointer while we do a GC.
+ xthal_window_spill();
return (mp_uint_t) __builtin_frame_address(0);
}
diff --git a/ports/esp32s2/peripherals/pins.h b/ports/esp32s2/peripherals/pins.h
index 1a74b0367..07d0b908e 100644
--- a/ports/esp32s2/peripherals/pins.h
+++ b/ports/esp32s2/peripherals/pins.h
@@ -33,10 +33,12 @@
#include <stdint.h>
#include "esp32s2_peripherals_config.h"
+#include "esp-idf/config/sdkconfig.h"
+#include "esp-idf/components/soc/include/hal/gpio_types.h"
typedef struct {
PIN_PREFIX_FIELDS
- uint8_t number;
+ gpio_num_t number;
} mcu_pin_obj_t;
extern const mcu_pin_obj_t pin_GPIO0;
diff --git a/ports/esp32s2/sdkconfig.defaults b/ports/esp32s2/sdkconfig.defaults
index f7deb53fb..958e1852e 100644
--- a/ports/esp32s2/sdkconfig.defaults
+++ b/ports/esp32s2/sdkconfig.defaults
@@ -259,7 +259,7 @@ CONFIG_ESP32S2_RTC_CLK_CAL_CYCLES=576
CONFIG_ESP_ERR_TO_NAME_LOOKUP=y
CONFIG_ESP_SYSTEM_EVENT_QUEUE_SIZE=32
CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=2304
-CONFIG_ESP_MAIN_TASK_STACK_SIZE=3584
+CONFIG_ESP_MAIN_TASK_STACK_SIZE=8192
CONFIG_ESP_IPC_TASK_STACK_SIZE=1024
CONFIG_ESP_MINIMAL_SHARED_STACK_SIZE=2048
CONFIG_ESP_CONSOLE_UART_DEFAULT=y
diff --git a/ports/esp32s2/supervisor/internal_flash.c b/ports/esp32s2/supervisor/internal_flash.c
index aab7e587a..a8d3fa485 100644
--- a/ports/esp32s2/supervisor/internal_flash.c
+++ b/ports/esp32s2/supervisor/internal_flash.c
@@ -100,18 +100,20 @@ mp_uint_t supervisor_flash_write_blocks(const uint8_t *src, uint32_t lba, uint32
_cache_lba = sector_offset;
}
for (uint8_t b = block_offset; b < blocks_per_sector; b++) {
+ // Stop copying after the last block.
+ if (block >= num_blocks) {
+ break;
+ }
memcpy(_cache + b * FILESYSTEM_BLOCK_SIZE,
src + block * FILESYSTEM_BLOCK_SIZE,
FILESYSTEM_BLOCK_SIZE);
block++;
}
result = esp_partition_erase_range(_partition, sector_offset, SECTOR_SIZE);
- ESP_EARLY_LOGW(TAG, "erase %d", result);
result = esp_partition_write(_partition,
sector_offset,
_cache,
SECTOR_SIZE);
- ESP_EARLY_LOGW(TAG, "write %d", result);
}
return 0; // success
@@ -119,4 +121,3 @@ mp_uint_t supervisor_flash_write_blocks(const uint8_t *src, uint32_t lba, uint32
void supervisor_flash_release_cache(void) {
}
-
diff --git a/ports/esp32s2/supervisor/port.c b/ports/esp32s2/supervisor/port.c
index 4389bb6a8..4c42f11af 100644
--- a/ports/esp32s2/supervisor/port.c
+++ b/ports/esp32s2/supervisor/port.c
@@ -29,10 +29,12 @@
#include <sys/time.h>
#include "supervisor/port.h"
#include "boards/board.h"
+#include "modules/module.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
+#include "common-hal/microcontroller/Pin.h"
#include "supervisor/memory.h"
#include "supervisor/shared/tick.h"
@@ -56,12 +58,14 @@ safe_mode_t port_init(void) {
if (result != ESP_OK) {
ESP_EARLY_LOGE(TAG, "Unable to create tick timer.");
}
+ never_reset_module_internal_pins();
ESP_EARLY_LOGW(TAG, "port init done");
return NO_SAFE_MODE;
}
void reset_port(void) {
+ reset_all_pins();
}
void reset_to_bootloader(void) {
@@ -148,6 +152,9 @@ void port_sleep_until_interrupt(void) {
// FreeRTOS delay here maybe.
// Light sleep shuts down BLE and wifi.
// esp_light_sleep_start()
+ if (sleep_time_duration == 0) {
+ return;
+ }
vTaskDelayUntil(&sleep_time_set, sleep_time_duration);
}
diff --git a/ports/esp32s2/supervisor/usb.c b/ports/esp32s2/supervisor/usb.c
index 7c508485e..39eb8204f 100644
--- a/ports/esp32s2/supervisor/usb.c
+++ b/ports/esp32s2/supervisor/usb.c
@@ -29,6 +29,11 @@
#include "lib/utils/interrupt_char.h"
#include "lib/mp-readline/readline.h"
+#include "esp-idf/components/soc/soc/esp32s2/include/soc/usb_periph.h"
+#include "esp-idf/components/driver/include/driver/periph_ctrl.h"
+#include "esp-idf/components/driver/include/driver/gpio.h"
+#include "esp-idf/components/esp_rom/include/esp32s2/rom/gpio.h"
+
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
@@ -64,17 +69,22 @@ void usb_device_task(void* param)
}
void init_usb_hardware(void) {
+ periph_module_reset(PERIPH_USB_MODULE);
+ periph_module_enable(PERIPH_USB_MODULE);
usb_hal_context_t hal = {
.use_external_phy = false // use built-in PHY
};
usb_hal_init(&hal);
+ // Initialize the pin drive strength.
+ gpio_set_drive_capability(USBPHY_DM_NUM, GPIO_DRIVE_CAP_3);
+ gpio_set_drive_capability(USBPHY_DP_NUM, GPIO_DRIVE_CAP_3);
+
(void) xTaskCreateStatic(usb_device_task,
"usbd",
USBD_STACK_SIZE,
NULL,
- configMAX_PRIORITIES-1,
+ 5,
usb_device_stack,
&usb_device_taskdef);
}
-
diff --git a/ports/esp32s2/tools/decode_backtrace.py b/ports/esp32s2/tools/decode_backtrace.py
new file mode 100644
index 000000000..3f078895a
--- /dev/null
+++ b/ports/esp32s2/tools/decode_backtrace.py
@@ -0,0 +1,23 @@
+"""Simple script that translates "Backtrace:" lines from the ESP output to files
+ and line numbers.
+
+ Run with: python3 tools/decode_backtrace.py <board>
+
+ Enter the backtrace line at the "? " prompt. CTRL-C to exit the script.
+ """
+
+import subprocess
+import sys
+
+board = sys.argv[1]
+print(board)
+
+while True:
+ addresses = input("? ")
+ if addresses.startswith("Backtrace:"):
+ addresses = addresses[len("Backtrace:"):]
+ addresses = addresses.strip().split()
+ addresses = [address.split(":")[0] for address in addresses]
+ print('got', addresses)
+ subprocess.run(["xtensa-esp32s2-elf-addr2line",
+ "-e", "build-{}/firmware.elf".format(board)] + addresses)