adafruit · microdev1 · Oct 20, 2022 · Oct 19, 2022
diff --git a/locale/circuitpython.pot b/locale/circuitpython.pot
@@ -507,7 +507,8 @@ msgstr ""
 msgid "Array must contain halfwords (type 'H')"
 msgstr ""
 
-#: shared-bindings/alarm/SleepMemory.c shared-bindings/nvm/ByteArray.c
+#: shared-bindings/alarm/SleepMemory.c shared-bindings/coproc/CoprocMemory.c
+#: shared-bindings/nvm/ByteArray.c
 msgid "Array values should be single bytes."
 msgstr ""
 
@@ -913,6 +914,7 @@ msgstr ""
 
 #: py/enum.c shared-bindings/_bleio/__init__.c shared-bindings/aesio/aes.c
 #: shared-bindings/alarm/__init__.c shared-bindings/busio/SPI.c
+#: shared-bindings/coproc/Coproc.c shared-bindings/coproc/__init__.c
 #: shared-bindings/microcontroller/Pin.c
 #: shared-bindings/neopixel_write/__init__.c
 msgid "Expected a %q"
@@ -1012,6 +1014,7 @@ msgstr ""
 msgid "Firmware is invalid"
 msgstr ""
 
+#: ports/espressif/common-hal/coproc/__init__.c
 #: ports/espressif/common-hal/dualbank/__init__.c
 msgid "Firmware is too big"
 msgstr ""
@@ -1915,7 +1918,8 @@ msgstr ""
 msgid "Sleep Memory not available"
 msgstr ""
 
-#: shared-bindings/alarm/SleepMemory.c shared-bindings/nvm/ByteArray.c
+#: shared-bindings/alarm/SleepMemory.c shared-bindings/coproc/CoprocMemory.c
+#: shared-bindings/nvm/ByteArray.c
 msgid "Slice and value different lengths."
 msgstr ""
 
@@ -2159,6 +2163,10 @@ msgstr ""
 msgid "Unable to start mDNS query"
 msgstr ""
 
+#: shared-bindings/coproc/CoprocMemory.c
+msgid "Unable to write"
+msgstr ""
+
 #: shared-bindings/nvm/ByteArray.c
 msgid "Unable to write to nvm."
 msgstr ""
@@ -2407,7 +2415,7 @@ msgid "array has too many dimensions"
 msgstr ""
 
 #: py/objarray.c shared-bindings/alarm/SleepMemory.c
-#: shared-bindings/nvm/ByteArray.c
+#: shared-bindings/coproc/CoprocMemory.c shared-bindings/nvm/ByteArray.c
 msgid "array/bytes required on right side"
 msgstr ""
 
@@ -3682,7 +3690,8 @@ msgid "only sample_rate=16000 is supported"
 msgstr ""
 
 #: py/objarray.c py/objstr.c py/objstrunicode.c py/objtuple.c
-#: shared-bindings/alarm/SleepMemory.c shared-bindings/nvm/ByteArray.c
+#: shared-bindings/alarm/SleepMemory.c shared-bindings/coproc/CoprocMemory.c
+#: shared-bindings/nvm/ByteArray.c
 msgid "only slices with step=1 (aka None) are supported"
 msgstr ""
 

diff --git a/ports/espressif/CMakeLists.txt b/ports/espressif/CMakeLists.txt
@@ -6,7 +6,7 @@ set(ENV{IDF_PATH} ${CMAKE_SOURCE_DIR}/esp-idf)
 
 # The component list here determines what options we get in menuconfig and what the ninja file
 # can build.
-set(COMPONENTS esptool_py soc driver log main esp-tls mbedtls mdns esp_event esp_adc_cal esp_netif esp_wifi lwip wpa_supplicant freertos bt usb)
+set(COMPONENTS esptool_py soc driver log main esp-tls mbedtls mdns esp_event esp_adc_cal esp_netif esp_wifi lwip ulp wpa_supplicant freertos bt usb)
 
 if("${CIRCUITPY_ESP32_CAMERA}")
 message("Including esp32-camera")

diff --git a/ports/espressif/Makefile b/ports/espressif/Makefile
@@ -135,6 +135,8 @@ INC += \
 	-isystem esp-idf/components/soc/include \
 	-isystem esp-idf/components/soc/$(IDF_TARGET)/include \
 	-isystem esp-idf/components/spi_flash/include \
+	-isystem esp-idf/components/ulp/include \
+	-isystem esp-idf/components/ulp/ulp_riscv/include \
 	-isystem esp-idf/components/$(IDF_TARGET_ARCH)/include \
 	-isystem esp-idf/components/$(IDF_TARGET_ARCH)/$(IDF_TARGET)/include
 
@@ -399,6 +401,9 @@ ifneq ($(CIRCUITPY_BLEIO),0)
 	BINARY_BLOBS += esp-idf/components/esp_phy/lib/$(IDF_TARGET)/libbtbb.a \
 	                esp-idf/components/bt/controller/lib_esp32c3_family/$(IDF_TARGET)/libbtdm_app.a
 endif
+ifneq ($(CIRCUITPY_COPROC),0)
+	ESP_IDF_COMPONENTS_LINK += ulp
+endif
 
 ESP_IDF_COMPONENTS_EXPANDED = $(foreach component, $(ESP_IDF_COMPONENTS_LINK), $(BUILD)/esp-idf/esp-idf/$(component)/lib$(component).a)
 

diff --git a/ports/espressif/common-hal/coproc/Coproc.c b/ports/espressif/common-hal/coproc/Coproc.c
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 microDev
+ *
+ * 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 "shared-bindings/coproc/Coproc.h"
+#include "shared-bindings/coproc/CoprocMemory.h"
+
+void common_hal_coproc_coproc_construct(coproc_coproc_obj_t *self,
+    const uint8_t *buf, const size_t buf_len, coproc_memory_obj_t *coproc_memory) {
+    // set CoprocMemory object
+    self->coproc_memory = coproc_memory;
+
+    // load buffer
+    self->buf_len = buf_len;
+    self->buf = (uint8_t *)m_malloc(self->buf_len, false);
+    memcpy(self->buf, buf, self->buf_len);
+}
+
+bool common_hal_coproc_coproc_deinited(coproc_coproc_obj_t *self) {
+    return self->buf == NULL;
+}
+
+void common_hal_coproc_coproc_deinit(coproc_coproc_obj_t *self) {
+    if (common_hal_coproc_coproc_deinited(self)) {
+        return;
+    }
+    m_free(self->buf);
+    self->buf = NULL;
+    self->coproc_memory = NULL;
+}
diff --git a/ports/espressif/common-hal/coproc/Coproc.h b/ports/espressif/common-hal/coproc/Coproc.h
@@ -0,0 +1,40 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 microDev
+ *
+ * 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_ESPRESSIF_COMMON_HAL_COPROC_COPROC_H
+#define MICROPY_INCLUDED_ESPRESSIF_COMMON_HAL_COPROC_COPROC_H
+
+#include "py/obj.h"
+#include "common-hal/coproc/CoprocMemory.h"
+
+typedef struct {
+    mp_obj_base_t base;
+    uint8_t *buf;
+    size_t buf_len;
+    coproc_memory_obj_t *coproc_memory;
+} coproc_coproc_obj_t;
+
+#endif // MICROPY_INCLUDED_ESPRESSIF_COMMON_HAL_COPROC_COPROC_H
diff --git a/ports/espressif/common-hal/coproc/CoprocMemory.c b/ports/espressif/common-hal/coproc/CoprocMemory.c
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 microDev
+ *
+ * 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 "shared-bindings/coproc/CoprocMemory.h"
+
+uint32_t common_hal_coproc_memory_get_length(coproc_memory_obj_t *self) {
+    return self->len;
+}
+
+bool common_hal_coproc_memory_set_bytes(coproc_memory_obj_t *self,
+    uint32_t start_index, const uint8_t *values, uint32_t len) {
+
+    if (start_index + len > self->len) {
+        return false;
+    }
+
+    memcpy((uint8_t *)(self->address + start_index), values, len);
+    return true;
+}
+
+void common_hal_coproc_memory_get_bytes(coproc_memory_obj_t *self,
+    uint32_t start_index, uint8_t *values, uint32_t len) {
+
+    if (start_index + len > self->len) {
+        return;
+    }
+
+    memcpy(values, (uint8_t *)(self->address + start_index), len);
+}
diff --git a/ports/espressif/common-hal/coproc/CoprocMemory.h b/ports/espressif/common-hal/coproc/CoprocMemory.h
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 microDev
+ *
+ * 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_ESPRESSIF_COMMON_HAL_COPROC_COPROCMEMORY_H
+#define MICROPY_INCLUDED_ESPRESSIF_COMMON_HAL_COPROC_COPROCMEMORY_H
+
+#include "py/obj.h"
+
+typedef struct {
+    mp_obj_base_t base;
+    uint32_t address;
+    uint16_t len;
+} coproc_memory_obj_t;
+
+#endif // MICROPY_INCLUDED_ESPRESSIF_COMMON_HAL_COPROC_COPROCMEMORY_H
diff --git a/ports/espressif/common-hal/coproc/__init__.c b/ports/espressif/common-hal/coproc/__init__.c
@@ -0,0 +1,69 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 microDev
+ *
+ * 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 "shared-bindings/coproc/__init__.h"
+
+#include "py/runtime.h"
+
+#if defined(CONFIG_IDF_TARGET_ESP32S2)
+#include "esp32s2/ulp.h"
+#include "esp32s2/ulp_riscv.h"
+#elif defined(CONFIG_IDF_TARGET_ESP32S3)
+#include "esp32s3/ulp.h"
+#include "esp32s3/ulp_riscv.h"
+#endif
+
+// To-do idf v5.0: remove following include
+#include "soc/rtc_cntl_reg.h"
+
+void common_hal_coproc_run(coproc_coproc_obj_t *self) {
+    if (ulp_riscv_load_binary(self->buf, self->buf_len) != ESP_OK) {
+        mp_raise_RuntimeError(translate("Firmware is too big"));
+    }
+    m_free(self->buf);
+    self->buf = (uint8_t *)RTC_SLOW_MEM;
+    ulp_riscv_run();
+}
+
+void common_hal_coproc_halt(coproc_coproc_obj_t *self) {
+    self->buf = (uint8_t *)m_malloc(self->buf_len, false);
+    memcpy(self->buf, (uint8_t *)RTC_SLOW_MEM, self->buf_len);
+
+    // To-do idf v5.0: use following functions
+    // ulp_riscv_timer_stop();
+    // ulp_riscv_halt();
+
+    // stop the ulp timer
+    CLEAR_PERI_REG_MASK(RTC_CNTL_ULP_CP_TIMER_REG, RTC_CNTL_ULP_CP_SLP_TIMER_EN);
+    // suspends the ulp operation
+    SET_PERI_REG_MASK(RTC_CNTL_COCPU_CTRL_REG, RTC_CNTL_COCPU_DONE);
+    // Resets the processor
+    SET_PERI_REG_MASK(RTC_CNTL_COCPU_CTRL_REG, RTC_CNTL_COCPU_SHUT_RESET_EN);
+}
+
+mp_obj_t common_hal_coproc_memory(coproc_coproc_obj_t *self) {
+    return (self->coproc_memory) ? MP_OBJ_FROM_PTR(self->coproc_memory) : mp_const_none;
+}
diff --git a/ports/espressif/esp-idf-config/sdkconfig-esp32s2.defaults b/ports/espressif/esp-idf-config/sdkconfig-esp32s2.defaults
@@ -41,8 +41,9 @@ CONFIG_ESP32S2_DATA_CACHE_LINE_32B=y
 
 # CONFIG_ESP32S2_TRAX is not set
 CONFIG_ESP32S2_TRACEMEM_RESERVE_DRAM=0x0
-# CONFIG_ESP32S2_ULP_COPROC_ENABLED is not set
-CONFIG_ESP32S2_ULP_COPROC_RESERVE_MEM=0
+CONFIG_ESP32S2_ULP_COPROC_ENABLED=y
+CONFIG_ESP32S2_ULP_COPROC_RESERVE_MEM=4096
+CONFIG_ESP32S2_ULP_COPROC_RISCV=y
 CONFIG_ESP32S2_DEBUG_OCDAWARE=y
 # CONFIG_ESP32S2_DEBUG_STUBS_ENABLE is not set
 CONFIG_ESP32S2_BROWNOUT_DET=y
@@ -65,7 +66,7 @@ CONFIG_ESP32S2_RTC_CLK_SRC_INT_RC=y
 CONFIG_ESP32S2_RTC_CLK_CAL_CYCLES=576
 # CONFIG_ESP32S2_NO_BLOBS is not set
 # CONFIG_ESP32S2_KEEP_USB_ALIVE is not set
-# CONFIG_ESP32S2_RTCDATA_IN_FAST_MEM is not set
+CONFIG_ESP32S2_RTCDATA_IN_FAST_MEM=y
 # CONFIG_ESP32S2_USE_FIXED_STATIC_RAM_SIZE is not set
 #
 # MAC Config

diff --git a/ports/espressif/esp-idf-config/sdkconfig-esp32s3.defaults b/ports/espressif/esp-idf-config/sdkconfig-esp32s3.defaults
@@ -67,8 +67,9 @@ CONFIG_ESP32S3_DATA_CACHE_LINE_SIZE=32
 
 # CONFIG_ESP32S3_TRAX is not set
 CONFIG_ESP32S3_TRACEMEM_RESERVE_DRAM=0x0
-# CONFIG_ESP32S3_ULP_COPROC_ENABLED is not set
-CONFIG_ESP32S3_ULP_COPROC_RESERVE_MEM=0
+CONFIG_ESP32S3_ULP_COPROC_ENABLED=y
+CONFIG_ESP32S3_ULP_COPROC_RESERVE_MEM=4096
+CONFIG_ESP32S3_ULP_COPROC_RISCV=y
 CONFIG_ESP32S3_BROWNOUT_DET=y
 CONFIG_ESP32S3_BROWNOUT_DET_LVL_SEL_7=y
 # CONFIG_ESP32S3_BROWNOUT_DET_LVL_SEL_6 is not set
@@ -88,7 +89,7 @@ CONFIG_ESP32S3_RTC_CLK_SRC_INT_RC=y
 # CONFIG_ESP32S3_RTC_CLK_SRC_INT_8MD256 is not set
 CONFIG_ESP32S3_RTC_CLK_CAL_CYCLES=1024
 CONFIG_ESP32S3_DEEP_SLEEP_WAKEUP_DELAY=2000
-# CONFIG_ESP32S3_RTCDATA_IN_FAST_MEM is not set
+CONFIG_ESP32S3_RTCDATA_IN_FAST_MEM=y
 # CONFIG_ESP32S3_USE_FIXED_STATIC_RAM_SIZE is not set
 # end of ESP32S3-Specific
 
@@ -218,4 +219,3 @@ CONFIG_CAMERA_DMA_BUFFER_SIZE_MAX=32768
 # CONFIG_CAMERA_CONVERTER_ENABLED is not set
 # end of Camera configuration
 # end of Component config
-