micropython · IhorNehrutsa · Nov 16, 2020 · Nov 16, 2020 · Nov 16, 2020 · Nov 16, 2020
diff --git a/ports/esp32/cmodules/esp_err/README.md b/ports/esp32/cmodules/esp_err/README.md
@@ -0,0 +1,7 @@
+**EspError Exception**
+
+Error Codes and Helper Functions  
+https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/esp_err.html
+
+Wrapped around  
+https://github.com/espressif/esp-idf/blob/master/components/esp_common/include/esp_err.h
diff --git a/ports/esp32/cmodules/esp_err/esp_err.c b/ports/esp32/cmodules/esp_err/esp_err.c
@@ -0,0 +1,157 @@
+/*
+ * This file was generated by micropython-extmod-generator https://github.com/prusnak/micropython-extmod-generator
+ * from Python stab file esp_err.py
+ *
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2020 Ihor Nehrutsa
+ *
+ * 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.
+ */
+
+/*
+Error Codes and Helper Functions  
+https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/esp_err.html
+
+Wrapped around
+https://github.com/espressif/esp-idf/blob/master/components/esp_common/include/esp_err.h
+*/
+
+#define MODULE_ESP_ERR_ENABLED (1) // you may relocate this line to the mpconfigport.h
+#if MODULE_ESP_ERR_ENABLED
+
+// Include required definitions first
+#include "py/obj.h"
+//#include "py/objstr.h"
+//#include "py/objtuple.h"
+//#include "py/runtime.h"
+//#include "py/builtin.h"
+
+#include "py/objexcept.h"
+
+//#include "esp_error.h"
+
+/*
+// Example how to raise ESP exception from C code
+esp_err_t err = pcnt_event_disable(self->unit, evt_type);
+if (err != ESP_OK)
+    raise_esp_error(err);
+*/
+
+// Defining classes
+// class EspError(Exception):
+typedef struct _mp_obj_esp_err_EspError_t {
+    mp_obj_base_t base;
+} mp_obj_esp_err_EspError_t;
+
+const mp_obj_type_t mp_type_EspError;
+/*
+// Defining EspError methods
+// def EspError.__init__(self, error_code: int=0, error_msg: str='')
+STATIC mp_obj_t esp_err_EspError_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
+    mp_arg_check_num(n_args, n_kw, 0, 2, false);
+    self->base.type = &mp_type_EspError;
+
+	mp_obj_esp_err_EspError_t *self = MP_OBJ_TO_PTR(args[0]);
+	mp_int_t error_code = mp_obj_get_int(args[1]);
+	const char* error_msg = mp_obj_str_get_str(args[2]);
+
+	//TODO: Your code here
+    return MP_OBJ_FROM_PTR(self);
+}
+*/
+/*
+STATIC mp_obj_t esp_err_EspError_print(const mp_print_t *print, mp_obj_t self_obj, mp_print_kind_t kind) {
+    esp_err_EspError_obj_t *self = MP_OBJ_TO_PTR(self_obj);
+    mp_printf(print, "EspError()");
+
+	//TODO: Your code here
+}
+*/
+
+// EspError stuff
+// Register class methods
+STATIC const mp_rom_map_elem_t esp_err_EspError_locals_dict_table[] = {
+    //{ MP_ROM_QSTR(MP_QSTR_ESP_ERR_FLASH_BASE), MP_ROM_INT(ESP_ERR_FLASH_BASE) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_ARG), MP_ROM_INT(ESP_ERR_INVALID_ARG) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_CRC), MP_ROM_INT(ESP_ERR_INVALID_CRC) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_MAC), MP_ROM_INT(ESP_ERR_INVALID_MAC) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_RESPONSE), MP_ROM_INT(ESP_ERR_INVALID_RESPONSE) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_SIZE), MP_ROM_INT(ESP_ERR_INVALID_SIZE) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_STATE), MP_ROM_INT(ESP_ERR_INVALID_STATE) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_INVALID_VERSION), MP_ROM_INT(ESP_ERR_INVALID_VERSION) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_MESH_BASE), MP_ROM_INT(ESP_ERR_MESH_BASE) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_NOT_FOUND), MP_ROM_INT(ESP_ERR_NOT_FOUND) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_NOT_SUPPORTED), MP_ROM_INT(ESP_ERR_NOT_SUPPORTED) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_NO_MEM), MP_ROM_INT(ESP_ERR_NO_MEM) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_TIMEOUT), MP_ROM_INT(ESP_ERR_TIMEOUT) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_ERR_WIFI_BASE), MP_ROM_INT(ESP_ERR_WIFI_BASE) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_FAIL), MP_ROM_INT(ESP_FAIL) },
+    { MP_ROM_QSTR(MP_QSTR_ESP_OK), MP_ROM_INT(ESP_OK) },
+};
+STATIC MP_DEFINE_CONST_DICT(esp_err_EspError_locals_dict, esp_err_EspError_locals_dict_table);
+
+// Create the class-object itself 
+#if 1
+const mp_obj_type_t mp_type_EspError = {
+    { &mp_type_type },
+    .name = MP_QSTR_EspError,
+
+    //.make_new = esp_err_EspError_make_new,
+    //.print = esp_err_EspError_print,
+    .locals_dict = (mp_obj_dict_t*)&esp_err_EspError_locals_dict,
+
+    .print = mp_obj_exception_print,
+    .make_new = mp_obj_exception_make_new, 
+    .attr = mp_obj_exception_attr, 
+    .parent = &mp_type_Exception,    
+};
+#else
+#error The same ?, but raise Guru Meditation Error
+MP_DEFINE_EXCEPTION(EspError, Exception)
+#endif
+
+// module stuff
+// Set up the module properties
+STATIC const mp_rom_map_elem_t esp_err_globals_table[] = {
+    { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_esp_err) },
+    { MP_ROM_QSTR(MP_QSTR_EspError), MP_ROM_PTR(&mp_type_EspError) },
+};
+STATIC MP_DEFINE_CONST_DICT(esp_err_globals, esp_err_globals_table);
+
+// Define the module object
+const mp_obj_module_t esp_err_cmodule = {
+    .base = { &mp_type_module },
+    .globals = (mp_obj_dict_t*)&esp_err_globals,
+};
+// Register the module
+MP_REGISTER_MODULE(MP_QSTR_esp_err, esp_err_cmodule, MODULE_ESP_ERR_ENABLED);
+
+/*
+// To call from C modules use like:
+    mp_raise_msg_varg(&mp_type_EspError, MP_ERROR_TEXT("An error message %d"), val);
+*/
+/*
+// Function to call from C modules
+NORETURN void mp_raise_EspError(mp_rom_error_text_t msg) {
+    mp_raise_msg(&mp_type_EspError, msg);
+}
+*/
+
+#endif // MODULE_ESP_ERR_ENABLED
diff --git a/ports/esp32/cmodules/esp_err/esp_error.h b/ports/esp32/cmodules/esp_err/esp_error.h
@@ -0,0 +1,4 @@
+const mp_obj_type_t mp_type_EspError;
+
+#define raise_esp_error(err) mp_raise_msg_varg(&mp_type_EspError, MP_ERROR_TEXT("%d(0x%X) - %s"), err, err, esp_err_to_name(err));
+
diff --git a/ports/esp32/cmodules/esp_err/micropython.mk b/ports/esp32/cmodules/esp_err/micropython.mk
@@ -0,0 +1,8 @@
+MOD_DIR := $(USERMOD_DIR)
+
+# Add all C files to SRC_USERMOD.
+SRC_USERMOD += $(MOD_DIR)/esp_err.c
+
+# We can add our module folder to include paths if needed
+# This is not actually needed in this example.
+CFLAGS_USERMOD += -I$(MOD_DIR)
diff --git a/ports/esp32/cmodules/pcnt/README.md b/ports/esp32/cmodules/pcnt/README.md
@@ -0,0 +1,19 @@
+**ESP32 Pulse Counter**  
+https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/pcnt.html
+
+Wrapped around  
+https://github.com/espressif/esp-idf/blob/master/components/driver/include/driver/pcnt.h
+https://github.com/espressif/esp-idf/blob/master/components/hal/include/hal/pcnt_types.h
+https://github.com/espressif/esp-idf/blob/m
6D40
aster/components/driver/pcnt.c
+
+See also  
+https://github.com/espressif/esp-idf/tree/master/examples/peripherals/pcnt/pulse_count_event
+
+
+**ESP32 Quadrature Encoder based on Pulse Counter(PCNT)**  
+Based on  
+https://github.com/madhephaestus/ESP32Encoder
+https://github.com/bboser/MicroPython_ESP32_psRAM_LoBo/blob/quad_decoder/MicroPython_BUILD/components/micropython/esp32/machine_dec.c
+
+See also  
+https://github.com/espressif/esp-idf/tree/master/examples/peripherals/pcnt/rotary_encoder
diff --git a/ports/esp32/cmodules/pcnt/micropython.mk b/ports/esp32/cmodules/pcnt/micropython.mk
@@ -0,0 +1,8 @@
+MOD_DIR := $(USERMOD_DIR)
+
+# Add all C files to SRC_USERMOD.
+SRC_USERMOD += $(MOD_DIR)/pcnt.c
+
+# We can add our module folder to include paths if needed
+# This is not actually needed in this example.
+CFLAGS_USERMOD += -I$(MOD_DIR)
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,4 @@
		const mp_obj_type_t mp_type_EspError;

		#define raise_esp_error(err) mp_raise_msg_varg(&mp_type_EspError, MP_ERROR_TEXT("%d(0x%X) - %s"), err, err, esp_err_to_name(err));