// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #pragma once #define SPI_FUNC_NUM 0 #define SPI_IOMUX_PIN_NUM_HD 27 #define SPI_IOMUX_PIN_NUM_CS 29 #define SPI_IOMUX_PIN_NUM_MOSI 32 #define SPI_IOMUX_PIN_NUM_CLK 30 #define SPI_IOMUX_PIN_NUM_MISO 31 #define SPI_IOMUX_PIN_NUM_WP 28 // There are 2 sets of GPIO pins which could be routed to FSPICS0, FSPICLK, FSPID, FSPIQ, FSPIHD, FSPIWP. // However, there is only one set of GPIO pins which could be routed to FSPIIO4, FSPIIO5, FSPIIO6, FSPIIO7. // As default (when we are not going to use Octal SPI), we make use of SPI2_FUNC_NUM to route one of the 2 sets of GPIO pins to FSPICS0 ~ FSPIWP as follows. #define SPI2_FUNC_NUM 4 #define SPI2_IOMUX_PIN_NUM_HD 9 #define SPI2_IOMUX_PIN_NUM_CS 10 #define SPI2_IOMUX_PIN_NUM_MOSI 11 #define SPI2_IOMUX_PIN_NUM_CLK 12 #define SPI2_IOMUX_PIN_NUM_MISO 13 #define SPI2_IOMUX_PIN_NUM_WP 14 // When using Octal SPI, we make use of SPI2_FUNC_NUM_OCT to route them as follows. #define SPI2_FUNC_NUM_OCT 2 #define SPI2_IOMUX_PIN_NUM_HD_OCT 33 #define SPI2_IOMUX_PIN_NUM_CS_OCT 34 #define SPI2_IOMUX_PIN_NUM_MOSI_OCT 35 #define SPI2_IOMUX_PIN_NUM_CLK_OCT 36 #define SPI2_IOMUX_PIN_NUM_MISO_OCT 37 #define SPI2_IOMUX_PIN_NUM_WP_OCT 38 #define SPI2_IOMUX_PIN_NUM_IO4_OCT 10 #define SPI2_IOMUX_PIN_NUM_IO5_OCT 11 #define SPI2_IOMUX_PIN_NUM_IO6_OCT 12 #define SPI2_IOMUX_PIN_NUM_IO7_OCT 13 //SPI3 have no iomux pins