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Merge branch 'bugfix/spi_gpio_deinit' into 'master'

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fix(spi): Fix several init/deinit issues of spi pins

See merge request idf/esp-idf!2522
This commit is contained in:
Ivan Grokhotkov 2018-06-14 19:21:34 +08:00
commit 589e8db4dd
14 changed files with 366 additions and 212 deletions
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15
components/driver/gpio.c
View File

@ -339,6 +339,21 @@ esp_err_t gpio_config(const gpio_config_t *pGPIOConfig)
return ESP_OK;
}
esp_err_t gpio_reset_pin(gpio_num_t gpio_num)
{
assert(gpio_num >= 0 && GPIO_IS_VALID_GPIO(gpio_num));
gpio_config_t cfg = {
.pin_bit_mask = BIT(gpio_num),
.mode = GPIO_MODE_DISABLE,
//for powersave reasons, the GPIO should not be floating, select pullup
.pull_up_en = true,
.pull_down_en = false,
.intr_type = GPIO_INTR_DISABLE,
};
gpio_config(&cfg);
return ESP_OK;
}
void IRAM_ATTR gpio_intr_service(void* arg)
{
//GPIO intr process

12
components/driver/include/driver/gpio.h
View File

@ -248,6 +248,18 @@ typedef intr_handle_t gpio_isr_handle_t;
*/
esp_err_t gpio_config(const gpio_config_t *pGPIOConfig);
/**
* @brief Reset an gpio to default state (select gpio function, enable pullup and disable input and output).
*
* @param gpio_num GPIO number.
*
* @note This function also configures the IOMUX for this pin to the GPIO
* function, and disconnects any other peripheral output configured via GPIO
* Matrix.
*
* @return Always return ESP_OK.
*/
esp_err_t gpio_reset_pin(gpio_num_t gpio_num);
/**
* @brief GPIO set interrupt trigger type

39
components/driver/include/driver/periph_ctrl.h
View File

@ -1,4 +1,4 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
// Copyright 2015-2018 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.
@ -14,49 +14,16 @@
#ifndef _DRIVER_PERIPH_CTRL_H_
#define _DRIVER_PERIPH_CTRL_H_
#include "esp_err.h"
#include "soc/soc.h"
#include "soc/dport_reg.h"
#include "soc/periph_defs.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
PERIPH_LEDC_MODULE = 0,
PERIPH_UART0_MODULE,
PERIPH_UART1_MODULE,
PERIPH_UART2_MODULE,
PERIPH_I2C0_MODULE,
PERIPH_I2C1_MODULE,
PERIPH_I2S0_MODULE,
PERIPH_I2S1_MODULE,
PERIPH_TIMG0_MODULE,
PERIPH_TIMG1_MODULE,
PERIPH_PWM0_MODULE,
PERIPH_PWM1_MODULE,
PERIPH_PWM2_MODULE,
PERIPH_PWM3_MODULE,
PERIPH_UHCI0_MODULE,
PERIPH_UHCI1_MODULE,
PERIPH_RMT_MODULE,
PERIPH_PCNT_MODULE,
PERIPH_SPI_MODULE,
PERIPH_HSPI_MODULE,
PERIPH_VSPI_MODULE,
PERIPH_SPI_DMA_MODULE,
PERIPH_SDMMC_MODULE,
PERIPH_SDIO_SLAVE_MODULE,
PERIPH_CAN_MODULE,
PERIPH_EMAC_MODULE,
PERIPH_RNG_MODULE,
PERIPH_WIFI_MODULE,
PERIPH_BT_MODULE,
PERIPH_WIFI_BT_COMMON_MODULE,
PERIPH_BT_BASEBAND_MODULE,
PERIPH_BT_LC_MODULE,
} periph_module_t;
/**
* @brief enable peripheral module
*

30
components/driver/include/driver/spi_common.h
View File

@ -1,4 +1,4 @@
// Copyright 2010-2017 Espressif Systems (Shanghai) PTE LTD
// Copyright 2010-2018 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.
@ -19,9 +19,8 @@
#include <stdint.h>
#include <stdbool.h>
#include "esp_err.h"
#include "soc/spi_struct.h"
#include "rom/lldesc.h"
#include "soc/spi_periph.h"
#ifdef __cplusplus
extern "C"
@ -145,14 +144,26 @@ esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_conf
/**
* @brief Free the IO used by a SPI peripheral
*
* @deprecated Use spicommon_bus_free_io_cfg instead.
*
* @param host SPI peripheral to be freed
*
* @return
* - ESP_ERR_INVALID_ARG if parameter is invalid
* - ESP_OK on success
*/
esp_err_t spicommon_bus_free_io(spi_host_device_t host) __attribute__((deprecated));
esp_err_t spicommon_bus_free_io(spi_host_device_t host);
/**
* @brief Free the IO used by a SPI peripheral
*
* @param bus_cfg Bus config struct which defines which pins to be used.
*
* @return
* - ESP_ERR_INVALID_ARG if parameter is invalid
* - ESP_OK on success
*/
esp_err_t spicommon_bus_free_io_cfg(const spi_bus_config_t *bus_cfg);
/**
* @brief Initialize a Chip Select pin for a specific SPI peripheral
@ -169,12 +180,19 @@ void spicommon_cs_initialize(spi_host_device_t host, int cs_io_num, int cs_num,
/**
* @brief Free a chip select line
* @deprecated Use spicommon_cs_io, which inputs the gpio num rather than the cs id instead.
*
* @param host SPI peripheral
* @param cs_num CS id to free
*/
void spicommon_cs_free(spi_host_device_t host, int cs_num);
void spicommon_cs_free(spi_host_device_t host, int cs_num) __attribute__((deprecated));
/**
* @brief Free a chip select line
*
* @param cs_gpio_num CS gpio num to free
*/
void spicommon_cs_free_io(int cs_gpio_num);
/**
* @brief Setup a DMA link chain

2
components/driver/include/driver/spi_slave.h
View File

@ -1,4 +1,4 @@
// Copyright 2010-2017 Espressif Systems (Shanghai) PTE LTD
// Copyright 2010-2018 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.

224
components/driver/spi_common.c
View File

@ -1,4 +1,4 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
// Copyright 2015-2018 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.
@ -15,10 +15,8 @@
#include <string.h>
#include "driver/spi_master.h"
#include "soc/gpio_sig_map.h"
#include "soc/spi_reg.h"
#include "soc/dport_reg.h"
#include "soc/spi_struct.h"
#include "soc/spi_periph.h"
#include "rom/ets_sys.h"
#include "esp_types.h"
#include "esp_attr.h"
@ -32,7 +30,6 @@
#include "driver/gpio.h"
#include "driver/periph_ctrl.h"
#include "esp_heap_caps.h"
#include "driver/spi_common.h"
static const char *SPI_TAG = "spi";
@ -49,109 +46,6 @@ typedef struct spi_device_t spi_device_t;
#define FUNC_SPI 1 //all pins of HSPI and VSPI shares this function number
#define FUNC_GPIO PIN_FUNC_GPIO
/*
Stores a bunch of per-spi-peripheral data.
*/
typedef struct {
const uint8_t spiclk_out; //GPIO mux output signals
const uint8_t spiclk_in;
const uint8_t spid_out;
const uint8_t spiq_out;
const uint8_t spiwp_out;
const uint8_t spihd_out;
const uint8_t spid_in; //GPIO mux input signals
const uint8_t spiq_in;
const uint8_t spiwp_in;
const uint8_t spihd_in;
const uint8_t spics_out[3]; // /CS GPIO output mux signals
const uint8_t spics_in;
const uint8_t spiclk_iomux_pin; //IO pins of IO_MUX muxed signals
const uint8_t spid_iomux_pin;
const uint8_t spiq_iomux_pin;
const uint8_t spiwp_iomux_pin;
const uint8_t spihd_iomux_pin;
const uint8_t spics0_iomux_pin;
const uint8_t irq; //irq source for interrupt mux
const uint8_t irq_dma; //dma irq source for interrupt mux
const periph_module_t module; //peripheral module, for enabling clock etc
spi_dev_t *hw; //Pointer to the hardware registers
} spi_signal_conn_t;
/*
Bunch of constants for every SPI peripheral: GPIO signals, irqs, hw addr of registers etc
*/
static const spi_signal_conn_t io_signal[3] = {
{
.spiclk_out = SPICLK_OUT_IDX,
.spiclk_in = SPICLK_IN_IDX,
.spid_out = SPID_OUT_IDX,
.spiq_out = SPIQ_OUT_IDX,
.spiwp_out = SPIWP_OUT_IDX,
.spihd_out = SPIHD_OUT_IDX,
.spid_in = SPID_IN_IDX,
.spiq_in = SPIQ_IN_IDX,
.spiwp_in = SPIWP_IN_IDX,
.spihd_in = SPIHD_IN_IDX,
.spics_out = {SPICS0_OUT_IDX, SPICS1_OUT_IDX, SPICS2_OUT_IDX},
.spics_in = SPICS0_IN_IDX,
.spiclk_iomux_pin = 6,
.spid_iomux_pin = 8,
.spiq_iomux_pin = 7,
.spiwp_iomux_pin = 10,
.spihd_iomux_pin = 9,
.spics0_iomux_pin = 11,
.irq = ETS_SPI1_INTR_SOURCE,
.irq_dma = ETS_SPI1_DMA_INTR_SOURCE,
.module = PERIPH_SPI_MODULE,
.hw = &SPI1
}, {
.spiclk_out = HSPICLK_OUT_IDX,
.spiclk_in = HSPICLK_IN_IDX,
.spid_out = HSPID_OUT_IDX,
.spiq_out = HSPIQ_OUT_IDX,
.spiwp_out = HSPIWP_OUT_IDX,
.spihd_out = HSPIHD_OUT_IDX,
.spid_in = HSPID_IN_IDX,
.spiq_in = HSPIQ_IN_IDX,
.spiwp_in = HSPIWP_IN_IDX,
.spihd_in = HSPIHD_IN_IDX,
.spics_out = {HSPICS0_OUT_IDX, HSPICS1_OUT_IDX, HSPICS2_OUT_IDX},
.spics_in = HSPICS0_IN_IDX,
.spiclk_iomux_pin = 14,
.spid_iomux_pin = 13,
.spiq_iomux_pin = 12,
.spiwp_iomux_pin = 2,
.spihd_iomux_pin = 4,
.spics0_iomux_pin = 15,
.irq = ETS_SPI2_INTR_SOURCE,
.irq_dma = ETS_SPI2_DMA_INTR_SOURCE,
.module = PERIPH_HSPI_MODULE,
.hw = &SPI2
}, {
.spiclk_out = VSPICLK_OUT_IDX,
.spiclk_in = VSPICLK_IN_IDX,
.spid_out = VSPID_OUT_IDX,
.spiq_out = VSPIQ_OUT_IDX,
.spiwp_out = VSPIWP_OUT_IDX,
.spihd_out = VSPIHD_OUT_IDX,
.spid_in = VSPID_IN_IDX,
.spiq_in = VSPIQ_IN_IDX,
.spiwp_in = VSPIWP_IN_IDX,
.spihd_in = VSPIHD_IN_IDX,
.spics_out = {VSPICS0_OUT_IDX, VSPICS1_OUT_IDX, VSPICS2_OUT_IDX},
.spics_in = VSPICS0_IN_IDX,
.spiclk_iomux_pin = 18,
.spid_iomux_pin = 23,
.spiq_iomux_pin = 19,
.spiwp_iomux_pin = 22,
.spihd_iomux_pin = 21,
.spics0_iomux_pin = 5,
.irq = ETS_SPI3_INTR_SOURCE,
.irq_dma = ETS_SPI3_DMA_INTR_SOURCE,
.module = PERIPH_VSPI_MODULE,
.hw = &SPI3
}
};
#define DMA_CHANNEL_ENABLED(dma_chan) (BIT(dma_chan-1))
@ -165,7 +59,7 @@ static portMUX_TYPE spi_dma_spinlock = portMUX_INITIALIZER_UNLOCKED;
bool spicommon_periph_claim(spi_host_device_t host)
{
bool ret = __sync_bool_compare_and_swap(&spi_periph_claimed[host], false, true);
if (ret) periph_module_enable(io_signal[host].module);
if (ret) periph_module_enable(spi_periph_signal[host].module);
return ret;
}
@ -173,19 +67,19 @@ bool spicommon_periph_claim(spi_host_device_t host)
bool spicommon_periph_free(spi_host_device_t host)
{
bool ret = __sync_bool_compare_and_swap(&spi_periph_claimed[host], true, false);
if (ret) periph_module_disable(io_signal[host].module);
if (ret) periph_module_disable(spi_periph_signal[host].module);
return ret;
}
int spicommon_irqsource_for_host(spi_host_device_t host)
{
return io_signal[host].irq;
return spi_periph_signal[host].irq;
}
spi_dev_t *spicommon_hw_for_host(spi_host_device_t host)
{
return io_signal[host].hw;
return spi_periph_signal[host].hw;
}
bool spicommon_dma_chan_claim (int dma_chan)
@ -240,20 +134,20 @@ esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_conf
if (bus_config->sclk_io_num>=0) {
temp_flag |= SPICOMMON_BUSFLAG_SCLK;
SPI_CHECK(GPIO_IS_VALID_OUTPUT_GPIO(bus_config->sclk_io_num), "sclk not valid", ESP_ERR_INVALID_ARG);
if (bus_config->sclk_io_num != io_signal[host].spiclk_iomux_pin) use_iomux = false;
if (bus_config->sclk_io_num != spi_periph_signal[host].spiclk_iomux_pin) use_iomux = false;
} else {
SPI_CHECK((flags&SPICOMMON_BUSFLAG_SCLK)==0, "sclk pin required.", ESP_ERR_INVALID_ARG);
}
if (bus_config->quadwp_io_num>=0) {
SPI_CHECK(GPIO_IS_VALID_OUTPUT_GPIO(bus_config->quadwp_io_num), "spiwp not valid", ESP_ERR_INVALID_ARG);
if (bus_config->quadwp_io_num != io_signal[host].spiwp_iomux_pin) use_iomux = false;
if (bus_config->quadwp_io_num != spi_periph_signal[host].spiwp_iomux_pin) use_iomux = false;
} else {
quad_pins_exist = false;
SPI_CHECK((flags&SPICOMMON_BUSFLAG_WPHD)==0, "spiwp pin required.", ESP_ERR_INVALID_ARG);
}
if (bus_config->quadhd_io_num>=0) {
SPI_CHECK(GPIO_IS_VALID_OUTPUT_GPIO(bus_config->quadhd_io_num), "spihd not valid", ESP_ERR_INVALID_ARG);
if (bus_config->quadhd_io_num != io_signal[host].spihd_iomux_pin) use_iomux = false;
if (bus_config->quadhd_io_num != spi_periph_signal[host].spihd_iomux_pin) use_iomux = false;
} else {
quad_pins_exist = false;
SPI_CHECK((flags&SPICOMMON_BUSFLAG_WPHD)==0, "spihd pin required.", ESP_ERR_INVALID_ARG);
@ -265,7 +159,7 @@ esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_conf
} else {
SPI_CHECK(GPIO_IS_VALID_GPIO(bus_config->mosi_io_num), "mosi not valid", ESP_ERR_INVALID_ARG);
}
if (bus_config->mosi_io_num != io_signal[host].spid_iomux_pin) use_iomux = false;
if (bus_config->mosi_io_num != spi_periph_signal[host].spid_iomux_pin) use_iomux = false;
} else {
SPI_CHECK((flags&SPICOMMON_BUSFLAG_MOSI)==0, "mosi pin required.", ESP_ERR_INVALID_ARG);
}
@ -276,7 +170,7 @@ esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_conf
} else {
SPI_CHECK(GPIO_IS_VALID_GPIO(bus_config->miso_io_num), "miso not valid", ESP_ERR_INVALID_ARG);
}
if (bus_config->miso_io_num != io_signal[host].spiq_iomux_pin) use_iomux = false;
if (bus_config->miso_io_num != spi_periph_signal[host].spiq_iomux_pin) use_iomux = false;
} else {
SPI_CHECK((flags&SPICOMMON_BUSFLAG_MISO)==0, "miso pin required.", ESP_ERR_INVALID_ARG);
}
@ -295,23 +189,23 @@ esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_conf
//out which FUNC_GPIOx_xSPIxx to grab; they all are defined to 1 anyway.
ESP_LOGD(SPI_TAG, "SPI%d use iomux pins.", host );
if (bus_config->mosi_io_num >= 0) {
gpio_iomux_in(bus_config->mosi_io_num, io_signal[host].spid_in);
gpio_iomux_in(bus_config->mosi_io_num, spi_periph_signal[host].spid_in);
gpio_iomux_out(bus_config->mosi_io_num, FUNC_SPI, false);
}
if (bus_config->miso_io_num >= 0) {
gpio_iomux_in(bus_config->miso_io_num, io_signal[host].spiq_in);
gpio_iomux_in(bus_config->miso_io_num, spi_periph_signal[host].spiq_in);
gpio_iomux_out(bus_config->miso_io_num, FUNC_SPI, false);
}
if (bus_config->quadwp_io_num >= 0) {
gpio_iomux_in(bus_config->quadwp_io_num, io_signal[host].spiwp_in);
gpio_iomux_in(bus_config->quadwp_io_num, spi_periph_signal[host].spiwp_in);
gpio_iomux_out(bus_config->quadwp_io_num, FUNC_SPI, false);
}
if (bus_config->quadhd_io_num >= 0) {
gpio_iomux_in(bus_config->quadhd_io_num, io_signal[host].spihd_in);
gpio_iomux_in(bus_config->quadhd_io_num, spi_periph_signal[host].spihd_in);
gpio_iomux_out(bus_config->quadhd_io_num, FUNC_SPI, false);
}
if (bus_config->sclk_io_num >= 0) {
gpio_iomux_in(bus_config->sclk_io_num, io_signal[host].spiclk_in);
gpio_iomux_in(bus_config->sclk_io_num, spi_periph_signal[host].spiclk_in);
gpio_iomux_out(bus_config->sclk_io_num, FUNC_SPI, false);
}
temp_flag |= SPICOMMON_BUSFLAG_NATIVE_PINS;
@ -319,42 +213,42 @@ esp_err_t spicommon_bus_initialize_io(spi_host_device_t host, const spi_bus_conf
//Use GPIO matrix
ESP_LOGD(SPI_TAG, "SPI%d use gpio matrix.", host );
if (bus_config->mosi_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->mosi_io_num], FUNC_GPIO);
if (mosi_output || (temp_flag&SPICOMMON_BUSFLAG_DUAL)) {
gpio_set_direction(bus_config->mosi_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->mosi_io_num, io_signal[host].spid_out, false, false);
gpio_matrix_out(bus_config->mosi_io_num, spi_periph_signal[host].spid_out, false, false);
} else {
gpio_set_direction(bus_config->mosi_io_num, GPIO_MODE_INPUT);
}
gpio_matrix_in(bus_config->mosi_io_num, io_signal[host].spid_in, false);
gpio_matrix_in(bus_config->mosi_io_num, spi_periph_signal[host].spid_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->mosi_io_num], FUNC_GPIO);
}
if (bus_config->miso_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->miso_io_num], FUNC_GPIO);
if (miso_output || (temp_flag&SPICOMMON_BUSFLAG_DUAL)) {
gpio_set_direction(bus_config->miso_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->miso_io_num, io_signal[host].spiq_out, false, false);
gpio_matrix_out(bus_config->miso_io_num, spi_periph_signal[host].spiq_out, false, false);
} else {
gpio_set_direction(bus_config->miso_io_num, GPIO_MODE_INPUT);
}
gpio_matrix_in(bus_config->miso_io_num, io_signal[host].spiq_in, false);
gpio_matrix_in(bus_config->miso_io_num, spi_periph_signal[host].spiq_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->miso_io_num], FUNC_GPIO);
}
if (bus_config->quadwp_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadwp_io_num], FUNC_GPIO);
gpio_set_direction(bus_config->quadwp_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->quadwp_io_num, io_signal[host].spiwp_out, false, false);
gpio_matrix_in(bus_config->quadwp_io_num, io_signal[host].spiwp_in, false);
gpio_matrix_out(bus_config->quadwp_io_num, spi_periph_signal[host].spiwp_out, false, false);
gpio_matrix_in(bus_config->quadwp_io_num, spi_periph_signal[host].spiwp_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadwp_io_num], FUNC_GPIO);
}
if (bus_config->quadhd_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadhd_io_num], FUNC_GPIO);
gpio_set_direction(bus_config->quadhd_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->quadhd_io_num, io_signal[host].spihd_out, false, false);
gpio_matrix_in(bus_config->quadhd_io_num, io_signal[host].spihd_in, false);
gpio_matrix_out(bus_config->quadhd_io_num, spi_periph_signal[host].spihd_out, false, false);
gpio_matrix_in(bus_config->quadhd_io_num, spi_periph_signal[host].spihd_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->quadhd_io_num], FUNC_GPIO);
}
if (bus_config->sclk_io_num >= 0) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->sclk_io_num], FUNC_GPIO);
gpio_set_direction(bus_config->sclk_io_num, GPIO_MODE_INPUT_OUTPUT);
gpio_matrix_out(bus_config->sclk_io_num, io_signal[host].spiclk_out, false, false);
gpio_matrix_in(bus_config->sclk_io_num, io_signal[host].spiclk_in, false);
gpio_matrix_out(bus_config->sclk_io_num, spi_periph_signal[host].spiclk_out, false, false);
gpio_matrix_in(bus_config->sclk_io_num, spi_periph_signal[host].spiclk_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[bus_config->sclk_io_num], FUNC_GPIO);
}
}
@ -378,39 +272,61 @@ static void reset_func_to_gpio(int func)
esp_err_t spicommon_bus_free_io(spi_host_device_t host)
{
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[io_signal[host].spid_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[io_signal[host].spid_iomux_pin], PIN_FUNC_GPIO);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[io_signal[host].spiq_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[io_signal[host].spiq_iomux_pin], PIN_FUNC_GPIO);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[io_signal[host].spiclk_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[io_signal[host].spiclk_iomux_pin], PIN_FUNC_GPIO);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[io_signal[host].spiwp_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[io_signal[host].spiwp_iomux_pin], PIN_FUNC_GPIO);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[io_signal[host].spihd_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[io_signal[host].spihd_iomux_pin], PIN_FUNC_GPIO);
reset_func_to_gpio(io_signal[host].spid_out);
reset_func_to_gpio(io_signal[host].spiq_out);
reset_func_to_gpio(io_signal[host].spiclk_out);
reset_func_to_gpio(io_signal[host].spiwp_out);
reset_func_to_gpio(io_signal[host].spihd_out);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[spi_periph_signal[host].spid_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[spi_periph_signal[host].spid_iomux_pin], PIN_FUNC_GPIO);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[spi_periph_signal[host].spiq_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[spi_periph_signal[host].spiq_iomux_pin], PIN_FUNC_GPIO);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[spi_periph_signal[host].spiclk_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[spi_periph_signal[host].spiclk_iomux_pin], PIN_FUNC_GPIO);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[spi_periph_signal[host].spiwp_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[spi_periph_signal[host].spiwp_iomux_pin], PIN_FUNC_GPIO);
if (REG_GET_FIELD(GPIO_PIN_MUX_REG[spi_periph_signal[host].spihd_iomux_pin], MCU_SEL) == 1) PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[spi_periph_signal[host].spihd_iomux_pin], PIN_FUNC_GPIO);
reset_func_to_gpio(spi_periph_signal[host].spid_out);
reset_func_to_gpio(spi_periph_signal[host].spiq_out);
reset_func_to_gpio(spi_periph_signal[host].spiclk_out);
reset_func_to_gpio(spi_periph_signal[host].spiwp_out);
reset_func_to_gpio(spi_periph_signal[host].spihd_out);
return ESP_OK;
}
esp_err_t spicommon_bus_free_io_cfg(const spi_bus_config_t *bus_cfg)
{
int pin_array[] = {
bus_cfg->mosi_io_num,
bus_cfg->miso_io_num,
bus_cfg->sclk_io_num,
bus_cfg->quadwp_io_num,
bus_cfg->quadhd_io_num,
};
for (int i = 0; i < sizeof(pin_array)/sizeof(int); i ++) {
const int io = pin_array[i];
if (io >= 0 && GPIO_IS_VALID_GPIO(io)) gpio_reset_pin(io);
}
return ESP_OK;
}
void spicommon_cs_initialize(spi_host_device_t host, int cs_io_num, int cs_num, int force_gpio_matrix)
{
if (!force_gpio_matrix && cs_io_num == io_signal[host].spics0_iomux_pin && cs_num == 0) {
if (!force_gpio_matrix && cs_io_num == spi_periph_signal[host].spics0_iomux_pin && cs_num == 0) {
//The cs0s for all SPI peripherals map to pin mux source 1, so we use that instead of a define.
gpio_iomux_in(cs_io_num, io_signal[host].spics_in);
gpio_iomux_in(cs_io_num, spi_periph_signal[host].spics_in);
gpio_iomux_out(cs_io_num, FUNC_SPI, false);
} else {
//Use GPIO matrix
gpio_matrix_out(cs_io_num, spi_periph_signal[host].spics_out[cs_num], false, false);
if (cs_num == 0) gpio_matrix_in(cs_io_num, spi_periph_signal[host].spics_in, false);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[cs_io_num], FUNC_GPIO);
gpio_matrix_out(cs_io_num, io_signal[host].spics_out[cs_num], false, false);
if (cs_num == 0) gpio_matrix_in(cs_io_num, io_signal[host].spics_in, false);
}
}
void spicommon_cs_free(spi_host_device_t host, int cs_io_num)
{
if (cs_io_num == 0 && REG_GET_FIELD(GPIO_PIN_MUX_REG[io_signal[host].spics0_iomux_pin], MCU_SEL) == 1) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[io_signal[host].spics0_iomux_pin], PIN_FUNC_GPIO);
if (cs_io_num == 0 && REG_GET_FIELD(GPIO_PIN_MUX_REG[spi_periph_signal[host].spics0_iomux_pin], MCU_SEL) == 1) {
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[spi_periph_signal[host].spics0_iomux_pin], PIN_FUNC_GPIO);
}
reset_func_to_gpio(io_signal[host].spics_out[cs_io_num]);
reset_func_to_gpio(spi_periph_signal[host].spics_out[cs_io_num]);
}
void spicommon_cs_free_io(int cs_gpio_num)
{
assert(cs_gpio_num>=0 && GPIO_IS_VALID_GPIO(cs_gpio_num));
gpio_reset_pin(cs_gpio_num);
}
//Set up a list of dma descriptors. dmadesc is an array of descriptors. Data is the buffer to point to.

13
components/driver/spi_master.c
View File

@ -1,4 +1,4 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
// Copyright 2015-2018 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.
@ -36,10 +36,8 @@ queue and re-enabling the interrupt will trigger the interrupt again, which can
#include <string.h>
#include "driver/spi_common.h"
#include "driver/spi_master.h"
#include "soc/gpio_sig_map.h"
#include "soc/spi_reg.h"
#include "soc/dport_reg.h"
#include "soc/spi_struct.h"
#include "soc/spi_periph.h"
#include "rom/ets_sys.h"
#include "esp_types.h"
#include "esp_attr.h"
@ -87,6 +85,7 @@ typedef struct {
uint32_t flags;
int dma_chan;
int max_transfer_sz;
spi_bus_config_t bus_cfg;
#ifdef CONFIG_PM_ENABLE
esp_pm_lock_handle_t pm_lock;
#endif
@ -148,6 +147,7 @@ esp_err_t spi_bus_initialize(spi_host_device_t host, const spi_bus_config_t *bus
goto cleanup;
}
memset(spihost[host], 0, sizeof(spi_host_t));
memcpy( &spihost[host]->bus_cfg, bus_config, sizeof(spi_bus_config_t));
#ifdef CONFIG_PM_ENABLE
err = esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "spi_master",
&spihost[host]->pm_lock);
@ -239,6 +239,7 @@ esp_err_t spi_bus_free(spi_host_device_t host)
for (x=0; x<NO_CS; x++) {
SPI_CHECK(spihost[host]->device[x]==NULL, "not all CSses freed", ESP_ERR_INVALID_STATE);
}
spicommon_bus_free_io_cfg(&spihost[host]->bus_cfg);
if ( spihost[host]->dma_chan > 0 ) {
spicommon_dma_chan_free ( spihost[host]->dma_chan );
@ -397,6 +398,10 @@ esp_err_t spi_bus_remove_device(spi_device_handle_t handle)
SPI_CHECK(handle->host->cur_cs == NO_CS || handle->host->device[handle->host->cur_cs]!=handle, "Have unfinished transactions", ESP_ERR_INVALID_STATE);
SPI_CHECK(uxQueueMessagesWaiting(handle->ret_queue)==0, "Have unfinished transactions", ESP_ERR_INVALID_STATE);
//return
int spics_io_num = handle->cfg.spics_io_num;
if (spics_io_num >= 0) spicommon_cs_free_io(spics_io_num);
//Kill queues
vQueueDelete(handle->trans_queue);
vQueueDelete(handle->ret_queue);

6
components/driver/spi_slave.c
View File

@ -1,4 +1,4 @@
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
// Copyright 2015-2018 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.
@ -15,10 +15,8 @@
#include <string.h>
#include "driver/spi_common.h"
#include "driver/spi_slave.h"
#include "soc/gpio_sig_map.h"
#include "soc/spi_reg.h"
#include "soc/dport_reg.h"
#include "soc/spi_struct.h"
#include "soc/spi_periph.h"
#include "rom/ets_sys.h"
#include "esp_types.h"
#include "esp_attr.h"

4
components/driver/test/test_spi_master.c
View File

@ -17,11 +17,9 @@
#include "driver/spi_master.h"
#include "driver/spi_slave.h"
#include "soc/dport_reg.h"
#include "soc/spi_reg.h"
#include "soc/spi_struct.h"
#include "esp_heap_caps.h"
#include "esp_log.h"
#include "driver/spi_pins.h"
#include "soc/spi_periph.h"
#include "freertos/ringbuf.h"
const static char TAG[] = "test_spi";

2
components/esp32/test/test_intr_alloc.c
View File

@ -231,7 +231,7 @@ TEST_CASE("Can allocate IRAM int only with an IRAM handler", "[esp32]")
}
#include "soc/spi_struct.h"
#include "soc/spi_periph.h"
typedef struct {
bool flag1;
bool flag2;

61
components/soc/esp32/include/soc/periph_defs.h Normal file
View File

@ -0,0 +1,61 @@
// Copyright 2015-2018 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.
#ifndef _SOC_PERIPH_DEFS_H_
#define _SOC_PERIPH_DEFS_H_
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
PERIPH_LEDC_MODULE = 0,
PERIPH_UART0_MODULE,
PERIPH_UART1_MODULE,
PERIPH_UART2_MODULE,
PERIPH_I2C0_MODULE,
PERIPH_I2C1_MODULE,
PERIPH_I2S0_MODULE,
PERIPH_I2S1_MODULE,
PERIPH_TIMG0_MODULE,
PERIPH_TIMG1_MODULE,
PERIPH_PWM0_MODULE,
PERIPH_PWM1_MODULE,
PERIPH_PWM2_MODULE,
PERIPH_PWM3_MODULE,
PERIPH_UHCI0_MODULE,
PERIPH_UHCI1_MODULE,
PERIPH_RMT_MODULE,
PERIPH_PCNT_MODULE,
PERIPH_SPI_MODULE,
PERIPH_HSPI_MODULE,
PERIPH_VSPI_MODULE,
PERIPH_SPI_DMA_MODULE,
PERIPH_SDMMC_MODULE,
PERIPH_SDIO_SLAVE_MODULE,
PERIPH_CAN_MODULE,
PERIPH_EMAC_MODULE,
PERIPH_RNG_MODULE,
PERIPH_WIFI_MODULE,
PERIPH_BT_MODULE,
PERIPH_WIFI_BT_COMMON_MODULE,
PERIPH_BT_BASEBAND_MODULE,
PERIPH_BT_LC_MODULE,
} periph_module_t;
#ifdef __cplusplus
}
#endif
#endif /* _SOC_PERIPH_DEFS_H_ */

13
components/soc/esp32/include/driver/spi_pins.h → components/soc/esp32/include/soc/spi_pins.h
View File

@ -12,8 +12,15 @@
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _DRIVER_SPI_PINS_H_
#define _DRIVER_SPI_PINS_H_
#ifndef _SOC_SPI_PINS_H_
#define _SOC_SPI_PINS_H_
#define SPI_IOMUX_PIN_NUM_MISO 7
#define SPI_IOMUX_PIN_NUM_MOSI 8
#define SPI_IOMUX_PIN_NUM_CLK 6
#define SPI_IOMUX_PIN_NUM_CS 11
#define SPI_IOMUX_PIN_NUM_WP 10
#define SPI_IOMUX_PIN_NUM_HD 9
#define HSPI_IOMUX_PIN_NUM_MISO 12
#define HSPI_IOMUX_PIN_NUM_MOSI 13
@ -29,4 +36,4 @@
#define VSPI_IOMUX_PIN_NUM_WP 22
#define VSPI_IOMUX_PIN_NUM_HD 21
#endif
#endif /* _SOC_SPI_PINS_H_ */

91
components/soc/esp32/spi_periph.c Normal file
View File

@ -0,0 +1,91 @@
// Copyright 2015-2018 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.
#include "soc/spi_periph.h"
/*
Bunch of constants for every SPI peripheral: GPIO signals, irqs, hw addr of registers etc
*/
const spi_signal_conn_t spi_periph_signal[3] = {
{
.spiclk_out = SPICLK_OUT_IDX,
.spiclk_in = SPICLK_IN_IDX,
.spid_out = SPID_OUT_IDX,
.spiq_out = SPIQ_OUT_IDX,
.spiwp_out = SPIWP_OUT_IDX,
.spihd_out = SPIHD_OUT_IDX,
.spid_in = SPID_IN_IDX,
.spiq_in = SPIQ_IN_IDX,
.spiwp_in = SPIWP_IN_IDX,
.spihd_in = SPIHD_IN_IDX,
.spics_out = {SPICS0_OUT_IDX, SPICS1_OUT_IDX, SPICS2_OUT_IDX},
.spics_in = SPICS0_IN_IDX,
.spiclk_iomux_pin = SPI_IOMUX_PIN_NUM_CLK,
.spid_iomux_pin = SPI_IOMUX_PIN_NUM_MOSI,
.spiq_iomux_pin = SPI_IOMUX_PIN_NUM_MISO,
.spiwp_iomux_pin = SPI_IOMUX_PIN_NUM_WP,
.spihd_iomux_pin = SPI_IOMUX_PIN_NUM_HD,
.spics0_iomux_pin = SPI_IOMUX_PIN_NUM_CS,
.irq = ETS_SPI1_INTR_SOURCE,
.irq_dma = ETS_SPI1_DMA_INTR_SOURCE,
.module = PERIPH_SPI_MODULE,
.hw = &SPI1
}, {
.spiclk_out = HSPICLK_OUT_IDX,
.spiclk_in = HSPICLK_IN_IDX,
.spid_out = HSPID_OUT_IDX,
.spiq_out = HSPIQ_OUT_IDX,
.spiwp_out = HSPIWP_OUT_IDX,
.spihd_out = HSPIHD_OUT_IDX,
.spid_in = HSPID_IN_IDX,
.spiq_in = HSPIQ_IN_IDX,
.spiwp_in = HSPIWP_IN_IDX,
.spihd_in = HSPIHD_IN_IDX,
.spics_out = {HSPICS0_OUT_IDX, HSPICS1_OUT_IDX, HSPICS2_OUT_IDX},
.spics_in = HSPICS0_IN_IDX,
.spiclk_iomux_pin = HSPI_IOMUX_PIN_NUM_CLK,
.spid_iomux_pin = HSPI_IOMUX_PIN_NUM_MOSI,
.spiq_iomux_pin = HSPI_IOMUX_PIN_NUM_MISO,
.spiwp_iomux_pin = HSPI_IOMUX_PIN_NUM_WP,
.spihd_iomux_pin = HSPI_IOMUX_PIN_NUM_HD,
.spics0_iomux_pin = HSPI_IOMUX_PIN_NUM_CS,
.irq = ETS_SPI2_INTR_SOURCE,
.irq_dma = ETS_SPI2_DMA_INTR_SOURCE,
.module = PERIPH_HSPI_MODULE,
.hw = &SPI2
}, {
.spiclk_out = VSPICLK_OUT_IDX,
.spiclk_in = VSPICLK_IN_IDX,
.spid_out = VSPID_OUT_IDX,
.spiq_out = VSPIQ_OUT_IDX,
.spiwp_out = VSPIWP_OUT_IDX,
.spihd_out = VSPIHD_OUT_IDX,
.spid_in = VSPID_IN_IDX,
.spiq_in = VSPIQ_IN_IDX,
.spiwp_in = VSPIWP_IN_IDX,
.spihd_in = VSPIHD_IN_IDX,
.spics_out = {VSPICS0_OUT_IDX, VSPICS1_OUT_IDX, VSPICS2_OUT_IDX},
.spics_in = VSPICS0_IN_IDX,
.spiclk_iomux_pin = VSPI_IOMUX_PIN_NUM_CLK,
.spid_iomux_pin = VSPI_IOMUX_PIN_NUM_MOSI,
.spiq_iomux_pin = VSPI_IOMUX_PIN_NUM_MISO,
.spiwp_iomux_pin = VSPI_IOMUX_PIN_NUM_WP,
.spihd_iomux_pin = VSPI_IOMUX_PIN_NUM_HD,
.spics0_iomux_pin = VSPI_IOMUX_PIN_NUM_CS,
.irq = ETS_SPI3_INTR_SOURCE,
.irq_dma = ETS_SPI3_DMA_INTR_SOURCE,
.module = PERIPH_VSPI_MODULE,
.hw = &SPI3
}
};

66
components/soc/include/soc/spi_periph.h Normal file
View File

@ -0,0 +1,66 @@
// Copyright 2015-2018 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.
#ifndef _SOC_SPI_PERIPH_H_
#define _SOC_SPI_PERIPH_H_
#include <stdint.h>
#include "soc/soc.h"
#include "soc/periph_defs.h"
//include soc related (generated) definitions
#include "soc/spi_pins.h"
#include "soc/spi_reg.h"
#include "soc/spi_struct.h"
#include "soc/gpio_sig_map.h"
#ifdef __cplusplus
extern "C"
{
#endif
/*
Stores a bunch of per-spi-peripheral data.
*/
typedef struct {
const uint8_t spiclk_out; //GPIO mux output signals
const uint8_t spiclk_in;
const uint8_t spid_out;
const uint8_t spiq_out;
const uint8_t spiwp_out;
const uint8_t spihd_out;
const uint8_t spid_in; //GPIO mux input signals
const uint8_t spiq_in;
const uint8_t spiwp_in;
const uint8_t spihd_in;
const uint8_t spics_out[3]; // /CS GPIO output mux signals
const uint8_t spics_in;
const uint8_t spiclk_iomux_pin; //IO pins of IO_MUX muxed signals
const uint8_t spid_iomux_pin;
const uint8_t spiq_iomux_pin;
const uint8_t spiwp_iomux_pin;
const uint8_t spihd_iomux_pin;
const uint8_t spics0_iomux_pin;
const uint8_t irq; //irq source for interrupt mux
const uint8_t irq_dma; //dma irq source for interrupt mux
const periph_module_t module; //peripheral module, for enabling clock etc
spi_dev_t *hw; //Pointer to the hardware registers
} spi_signal_conn_t;
extern const spi_signal_conn_t spi_periph_signal[3];
#ifdef __cplusplus
}
#endif
#endif /* _SOC_SPI_PERIPH_H_ */