初始化SPI总线:使用spi_bus_initialize()函数初始化SPI总线。这个函数需要一个spi_bus_config_t结构体,该结构体包含了SPI总线的配置信息,如时钟速度、数据模式等。 添加SPI设备:使用spi_bus_add_device()函数将SPI设备添加到SPI总线上。这个函数需要一个spi_device_interface_config_t结构体,该
注意:所有SPI相关的API都不能在中断服务函数或上下文切换期间使用,因为SPI相关的API都调用了互斥量,可能会造成系统错误 SPI 调用#include "driver/spi_master.h"或#include "driver/spi_slave.h"
调用#include "driver/spi_master.h"或#include "driver/spi_slave.h"来使用API组件 ESP32集成了4个SPI外设 SPI0和SPI1通过总线仲裁器共享一条信号总线,用于在模组内部访问FLASH(SoC FLASH),不会对用户开放 SPI2和SPI3是通用SPI控制器,有时也被称为HSPI和VSPI,这里的HSPI和VSPI没有实际区别,只是为了标识两...
.sda_pullup_en = GPIO_PULLUP_ENABLE, .scl_pullup_en = GPIO_PULLUP_ENABLE, .master.clk_speed = 100000, // 100kHz }; i2c_param_config(I2C_NUM_0, &conf); i2c_driver_install(I2C_NUM_0, conf.mode, 0, 0, 0); } SPI 驱动: #include "driver/spi_master.h" void spi_init() { ...
I'm tring to use ESP32-S3 SPI to drive SK68(which is a RGB LED),this led requires pulldown the signal transmission pin 80 us after once transmission (PS: pin also trgging at Microsecond level so I want to use SPI), But I can't find a way to set the SPI MOSI Pin... and...
#include<stdio.h>#include<string.h>#include"freertos/FreeRTOS.h"#include"freertos/task.h"#include"freertos/queue.h"#include"driver/gpio.h"#include"driver/timer.h"#include"esp_timer.h"#include"driver/uart.h"#include"esp_log.h"#include"driver/spi_master.h"#definePIN_NUM_MISO12#definePI...
Files main .github examples ESP32DMASPIMaster.h ESP32DMASPISlave.h LICENSE README.md library.json library.properties Latest commit hideakitai fix: compile error on single core models May 2, 2025 91f4762·May 2, 2025 History History
#ifdefined (CONFIG_LV_TOUCH_DRIVER_PROTOCOL_SPI) && TP_SPI_MOSI == DISP_SPI_MOSI && TP_SPI_CLK == DISP_SPI_CLK #ifTFT_SPI_HOST != TOUCH_SPI_HOST #errorYou must specify the same SPI host (HSPI, VSPI or FSPI) for both display and touch driver ...
include"driver/gpio.h"#include"driver/timer.h"#include"esp_timer.h"#include"driver/uart.h"#include"esp_log.h"#include"driver/spi_master.h"#definePIN_NUM_MISO 12#definePIN_NUM_MOSI 13#definePIN_NUM_CLK 14#definePIN_NUM_CS 15spi_device_handle_t spi_device;//存储所配置的SPI句柄voidapp...
esp32-spwm/esp32-spwm.c at master · FLWL/esp32-spwm · GitHubgithub.com/FLWL/esp32-spwm/blob/master/main/esp32-spwm.c #include "driver/gpio.h" #include "driver/ledc.h" #include "soc/ledc_reg.h" #define SIGNAL_PIN GPIO_NUM_12 #define STEP_FREQUENCY 48000 #define SINE_TABLE...