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fabik111fabik111
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add esp32 chip manager on ESPHome for portenta C33
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3 files changed

+119
-31
lines changed

3 files changed

+119
-31
lines changed

‎libraries/ESPhost/src/EspChipManager.cpp

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/* ########################################################################## */
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/* - File: EspChipManager.h
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- Copyright (c): 2025 Arduino srl.
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- Author: Fabio Massimo Centonze ([email protected])
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc.,51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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/* ########################################################################## */
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#include "EspChipManager.h"
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#define ESP_RESET BSP_IO_PORT_08_PIN_04
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#define ESP_DOWNLOAD DATA_READY // The DATA_READY pin is shared with the ESP_DOWNLOAD pin
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CEspChipManager& CEspChipManager::getInstance() {
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static CEspChipManager instance;
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return instance;
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}
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void CEspChipManager::initialize() {
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if (!isInitialized) {
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forceReset();
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isInitialized = true;
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}
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}
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void CEspChipManager::forceReset() {
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R_IOPORT_PinCfg(NULL, ESP_RESET, IOPORT_CFG_PORT_DIRECTION_OUTPUT);
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// Set the ESP_DOWNLOAD pin to high to ensure the ESP doesn't enter in download mode when resetting
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R_IOPORT_PinCfg(NULL, ESP_DOWNLOAD, (uint32_t) (IOPORT_CFG_PORT_DIRECTION_OUTPUT));
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R_IOPORT_PinWrite(NULL, ESP_DOWNLOAD, BSP_IO_LEVEL_HIGH);
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delay(100);
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R_IOPORT_PinWrite(NULL, ESP_RESET, BSP_IO_LEVEL_HIGH);
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R_IOPORT_PinWrite(NULL, ESP_RESET, BSP_IO_LEVEL_LOW);
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R_IOPORT_PinWrite(NULL, ESP_RESET, BSP_IO_LEVEL_HIGH);
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R_IOPORT_PinWrite(NULL, ESP_DOWNLOAD, BSP_IO_LEVEL_LOW);
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R_IOPORT_PinCfg(NULL, ESP_DOWNLOAD, (uint32_t) (IOPORT_CFG_IRQ_ENABLE | IOPORT_CFG_PORT_DIRECTION_INPUT));
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}
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‎libraries/ESPhost/src/EspChipManager.h

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/* ########################################################################## */
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/* - File: EspChipManager.h
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- Copyright (c): 2025 Arduino srl.
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- Author: Fabio Massimo Centonze ([email protected])
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This library is free software; you can redistribute it and/or
7+
modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
10+
11+
This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc.,51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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/* ########################################################################## */
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#ifndef ESP_CHIP_MANAGER_H
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#define ESP_CHIP_MANAGER_H
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#include <Arduino.h>
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#ifdef USE_ESP32_C3_DEVKIT_RUST_1
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/* GPIOs */
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#define HANDSHAKE BSP_IO_PORT_05_PIN_05
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#define DATA_READY BSP_IO_PORT_08_PIN_02
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#define DATA_READY_PIN 33
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/* SPI PIN definition */
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#define ESP_MISO BSP_IO_PORT_01_PIN_00
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#define ESP_MOSI BSP_IO_PORT_01_PIN_01
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#define ESP_CK BSP_IO_PORT_01_PIN_02
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#define ESP_CS BSP_IO_PORT_01_PIN_03
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#else
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/* GPIOs */
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#define HANDSHAKE BSP_IO_PORT_08_PIN_06
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#define DATA_READY BSP_IO_PORT_08_PIN_03
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#define DATA_READY_PIN 100
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/* SPI PIN definition */
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#define ESP_MISO BSP_IO_PORT_01_PIN_00
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#define ESP_MOSI BSP_IO_PORT_01_PIN_01
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#define ESP_CK BSP_IO_PORT_01_PIN_02
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#define ESP_CS BSP_IO_PORT_01_PIN_04
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#endif
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class CEspChipManager {
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public:
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static CEspChipManager& getInstance();
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// Delete copy constructor and assignment operator to enforce singleton
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CEspChipManager(const CEspChipManager&) = delete;
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CEspChipManager& operator=(const CEspChipManager&) = delete;
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// General initialization
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void initialize();
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// Force a reset of the ESP chip, don't use for initialization
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void forceReset();
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private:
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CEspChipManager() = default;
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~CEspChipManager() = default;
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bool isInitialized = false;
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};
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#endif // ESP_CHIP_MANAGER_H

‎libraries/ESPhost/src/EspSpiDriver.cpp

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@@ -29,6 +29,7 @@
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* ######## */
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#include "EspSpiDriver.h"
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#include "EspChipManager.h"
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/* #####################
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* Configuration defines
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#define EXT_IRQ_CHANNEL (0)
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#ifdef USE_ESP32_C3_DEVKIT_RUST_1
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/* GPIOs */
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#define HANDSHAKE BSP_IO_PORT_05_PIN_05
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#define DATA_READY BSP_IO_PORT_08_PIN_02
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#define DATA_READY_PIN 33
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/* SPI PIN definition */
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#define ESP_MISO BSP_IO_PORT_01_PIN_00
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#define ESP_MOSI BSP_IO_PORT_01_PIN_01
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#define ESP_CK BSP_IO_PORT_01_PIN_02
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#define ESP_CS BSP_IO_PORT_01_PIN_03
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#else
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/* GPIOs */
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#define ESP_RESET BSP_IO_PORT_08_PIN_04
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#define HANDSHAKE BSP_IO_PORT_08_PIN_06
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#define DATA_READY BSP_IO_PORT_08_PIN_03
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#define DATA_READY_PIN 100
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/* SPI PIN definition */
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#define ESP_MISO BSP_IO_PORT_01_PIN_00
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#define ESP_MOSI BSP_IO_PORT_01_PIN_01
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#define ESP_CK BSP_IO_PORT_01_PIN_02
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#define ESP_CS BSP_IO_PORT_01_PIN_04
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#endif
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/* #################
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* PRIVATE Variables
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* ################# */
@@ -157,15 +133,11 @@ int esp_host_spi_init(void) {
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}
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/* ++++++++++++++++++++++++++++++++++
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* GPIOs (HANDSHAKE and DATA_READY)
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* GPIOs (HANDSHAKE and CS)
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* ++++++++++++++++++++++++++++++++++ */
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R_IOPORT_PinCfg(NULL, HANDSHAKE, IOPORT_CFG_PORT_DIRECTION_INPUT);
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/* DATA READY is configure in attach interrupt function below */
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//#ifdef EXPLICIT_PIN_CONFIGURATION
165-
R_IOPORT_PinCfg(NULL, DATA_READY, (uint32_t) (IOPORT_CFG_IRQ_ENABLE | IOPORT_CFG_PORT_DIRECTION_INPUT ));
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R_IOPORT_PinCfg(NULL, ESP_CS, IOPORT_CFG_PORT_DIRECTION_OUTPUT);
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R_IOPORT_PinCfg(NULL, ESP_RESET, IOPORT_CFG_PORT_DIRECTION_OUTPUT);
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//#endif
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171143
/* +++++
@@ -270,7 +242,7 @@ int esp_host_spi_init(void) {
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return ESP_HOSTED_SPI_DRIVER_SPI_FAIL_OPEN;
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}
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273-
R_IOPORT_PinWrite(NULL, ESP_RESET, BSP_IO_LEVEL_HIGH);
245+
CEspChipManager::getInstance().initialize();
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spi_driver_initialized = true;
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return ESP_HOSTED_SPI_DRIVER_OK;
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}

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