1 // Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 17 #define SPI_FUNC_NUM 0 18 #define SPI_IOMUX_PIN_NUM_HD 27 19 #define SPI_IOMUX_PIN_NUM_CS 29 20 #define SPI_IOMUX_PIN_NUM_MOSI 32 21 #define SPI_IOMUX_PIN_NUM_CLK 30 22 #define SPI_IOMUX_PIN_NUM_MISO 31 23 #define SPI_IOMUX_PIN_NUM_WP 28 24 25 // There are 2 sets of GPIO pins which could be routed to FSPICS0, FSPICLK, FSPID, FSPIQ, FSPIHD, FSPIWP. 26 // However, there is only one set of GPIO pins which could be routed to FSPIIO4, FSPIIO5, FSPIIO6, FSPIIO7. 27 // 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. 28 #define SPI2_FUNC_NUM 4 29 #define SPI2_IOMUX_PIN_NUM_HD 9 30 #define SPI2_IOMUX_PIN_NUM_CS 10 31 #define SPI2_IOMUX_PIN_NUM_MOSI 11 32 #define SPI2_IOMUX_PIN_NUM_CLK 12 33 #define SPI2_IOMUX_PIN_NUM_MISO 13 34 #define SPI2_IOMUX_PIN_NUM_WP 14 35 36 // When using Octal SPI, we make use of SPI2_FUNC_NUM_OCT to route them as follows. 37 #define SPI2_FUNC_NUM_OCT 2 38 #define SPI2_IOMUX_PIN_NUM_HD_OCT 33 39 #define SPI2_IOMUX_PIN_NUM_CS_OCT 34 40 #define SPI2_IOMUX_PIN_NUM_MOSI_OCT 35 41 #define SPI2_IOMUX_PIN_NUM_CLK_OCT 36 42 #define SPI2_IOMUX_PIN_NUM_MISO_OCT 37 43 #define SPI2_IOMUX_PIN_NUM_WP_OCT 38 44 #define SPI2_IOMUX_PIN_NUM_IO4_OCT 10 45 #define SPI2_IOMUX_PIN_NUM_IO5_OCT 11 46 #define SPI2_IOMUX_PIN_NUM_IO6_OCT 12 47 #define SPI2_IOMUX_PIN_NUM_IO7_OCT 13 48 49 //SPI3 has no iomux pins 50 51 //Following Macros are deprecated. Please use the Macros above 52 #define FSPI_FUNC_NUM SPI2_FUNC_NUM 53 #define FSPI_IOMUX_PIN_NUM_HD SPI2_IOMUX_PIN_NUM_HD 54 #define FSPI_IOMUX_PIN_NUM_CS SPI2_IOMUX_PIN_NUM_CS 55 #define FSPI_IOMUX_PIN_NUM_MOSI SPI2_IOMUX_PIN_NUM_MOSI 56 #define FSPI_IOMUX_PIN_NUM_CLK SPI2_IOMUX_PIN_NUM_CLK 57 #define FSPI_IOMUX_PIN_NUM_MISO SPI2_IOMUX_PIN_NUM_MISO 58 #define FSPI_IOMUX_PIN_NUM_WP SPI2_IOMUX_PIN_NUM_WP 59
