esp-idf/components/soc/esp32c3/spi_periph.c

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/*
* SPDX-FileCopyrightText: 2020-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "soc/spi_periph.h"
#include "stddef.h"
/*
Bunch of constants for every SPI peripheral: GPIO signals, irqs, hw addr of registers etc
*/
const spi_signal_conn_t spi_periph_signal[SOC_SPI_PERIPH_NUM] = {
{
// MSPI has dedicated iomux pins
.spiclk_out = -1,
.spiclk_in = -1,
.spid_out = -1,
.spiq_out = -1,
.spiwp_out = -1,
.spihd_out = -1,
.spid_in = -1,
.spiq_in = -1,
.spiwp_in = -1,
.spihd_in = -1,
.spics_out = {-1},
.spics_in = -1,
.spiclk_iomux_pin = -1,
.spid_iomux_pin = -1,
.spiq_iomux_pin = -1,
.spiwp_iomux_pin = -1,
.spihd_iomux_pin = -1,
.spics0_iomux_pin = -1,
.irq = -1,
.irq_dma = -1,
.module = -1,
.hw = NULL,
.func = -1,
}, {
.spiclk_out = FSPICLK_OUT_IDX,
.spiclk_in = FSPICLK_IN_IDX,
.spid_out = FSPID_OUT_IDX,
.spiq_out = FSPIQ_OUT_IDX,
.spiwp_out = FSPIWP_OUT_IDX,
.spihd_out = FSPIHD_OUT_IDX,
.spid_in = FSPID_IN_IDX,
.spiq_in = FSPIQ_IN_IDX,
.spiwp_in = FSPIWP_IN_IDX,
.spihd_in = FSPIHD_IN_IDX,
.spics_out = {FSPICS0_OUT_IDX, FSPICS1_OUT_IDX, FSPICS2_OUT_IDX, FSPICS3_OUT_IDX, FSPICS4_OUT_IDX, FSPICS5_OUT_IDX},
.spics_in = FSPICS0_IN_IDX,
.spiclk_iomux_pin = SPI2_IOMUX_PIN_NUM_CLK,
.spid_iomux_pin = SPI2_IOMUX_PIN_NUM_MOSI,
.spiq_iomux_pin = SPI2_IOMUX_PIN_NUM_MISO,
.spiwp_iomux_pin = SPI2_IOMUX_PIN_NUM_WP,
.spihd_iomux_pin = SPI2_IOMUX_PIN_NUM_HD,
.spics0_iomux_pin = SPI2_IOMUX_PIN_NUM_CS,
.irq = ETS_SPI2_INTR_SOURCE,
.irq_dma = -1,
.module = PERIPH_SPI2_MODULE,
.hw = &GPSPI2,
.func = SPI2_FUNC_NUM,
}
};