Tasmota/include/esp32x_fixes.h

/*
  esp32x_fixes.h - fix esp32x toolchain

  Copyright (C) 2021  Theo Arends

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/*
 * Xtensa toolchain declares `int32_t` as `int` but RISC-V toolchain
 * declares `int32_t` as `long int` which causes compilation errors.
 * 
 * See:
 *   https://github.com/espressif/esp-idf/issues/6906
 *   https://github.com/espressif/arduino-esp32/issues/5086
 * 
 * You need to add the following lines in `build_flags`:      
 *                            -I$PROJECT_DIR/include
 *                            -include "esp32x_fixes.h"
 */
#ifdef __riscv

#undef __INT32_TYPE__
#define __INT32_TYPE__      int

#undef __UINT32_TYPE__
#define __UINT32_TYPE__     unsigned int

#endif // __riscv

#if CONFIG_IDF_TARGET_ESP32C3
// fix a bug in esp-idf 4.4 for esp32c3
#ifndef REG_SPI_BASE
#define REG_SPI_BASE(i)     (DR_REG_SPI1_BASE + (((i)>1) ? (((i)* 0x1000) + 0x20000) : (((~(i)) & 1)* 0x1000 )))
#endif

// SPI_MOSI_DLEN_REG is not defined anymore in esp32c3, instead use SPI_MS_DLEN_REG
#define SPI_MOSI_DLEN_REG(x) SPI_MS_DLEN_REG(x)
//alias for different chips, deprecated for the chips after esp32s2
#define SPI_HOST    SPI1_HOST
#define HSPI_HOST   SPI2_HOST
#define VSPI_HOST   SPI2_HOST  /* No SPI3_host on C3 */
#endif