-基于igh ethercat实现控制led开发例程使用手册
时间: 2024-01-22 16:00:45 浏览: 205
《基于EtherCAT实现控制LED开发例程使用手册》
这份使用手册将详细介绍如何使用基于IGH EtherCAT技术来进行LED控制开发的例程。EtherCAT是一种高性能实时通信协议,经常被用于工业自动化领域。IGH EtherCAT是一个开源的EtherCAT主站实现,提供了丰富的功能和易用性。
本手册首先会介绍LED控制开发的基本原理和流程。然后,将引导用户安装和配置所需的软件和硬件环境,包括使用的开发板和组件。
接下来,手册将详细说明如何使用IGH EtherCAT来设置和配置EtherCAT主站,并将其连接到所需的从站设备。这将包括设置EtherCAT网络和拓扑结构,以及配置从站的参数和功能。
然后,手册将介绍如何编写控制LED的开发例程。用户将学习如何使用IGH EtherCAT提供的API来实现基本的LED控制功能,如开关和亮度调节。这将涉及到编写控制逻辑和使用适当的函数和指令。
接下来,手册将提供示例代码和代码说明,以便用户更好地理解和运用开发例程。用户可以根据自己的需求进行修改和扩展,以实现更复杂的LED控制功能。
最后,手册将包含其他有关LED控制开发的相关资源和参考资料,以帮助用户进一步深入学习和探索。
本手册将以简明易懂的语言和图示进行说明,并尽量避免使用过多的技术术语,以便初学者也能轻松上手。希望这份手册能够帮助用户顺利进行基于IGH EtherCAT的LED控制开发,并取得满意的结果。
相关问题
igh ethercat雷赛556步进例程
以下是使用EtherCAT通信协议的雷塞(Leisai)556步进驱动器的示例程序:
```c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "ecrt.h"
#define REFRESH_RATE 1000 // 刷新率(单位:微秒)
#define PI 3.14159265358979323846
// EtherCAT配置
#define ECAT_TIMEOUT 5000 // 超时时间(单位:毫秒)
#define ECAT_SLAVE 0, 0 // 从站地址
// 雷塞556参数
#define MAX_SPEED 3000 // 最大速度(单位:rpm)
#define MAX_ACC 1000 // 最大加速度(单位:rpm/s)
// 定义PDO映射索引
#define PDO_INPUT_INDEX 0x1601
#define PDO_OUTPUT_INDEX 0x1A02
// 定义PDO映射子索引
#define PDO_INPUT_SUBINDEX_POSITION 0x00
#define PDO_INPUT_SUBINDEX_VELOCITY 0x02
#define PDO_INPUT_SUBINDEX_TORQUE 0x03
#define PDO_OUTPUT_SUBINDEX_CONTROL 0x00
// 定义命令码
#define CMD_SET_POSITION 0x02
#define CMD_SET_VELOCITY 0x03
#define CMD_SET_TORQUE 0x04
#define CMD_SET_BIT 0x06
// 定义状态码
#define STATE_NOT_READY_TO_SWITCH_ON 0x0000
#define STATE_SWITCH_ON_DISABLED 0x0040
#define STATE_READY_TO_SWITCH_ON 0x0021
#define STATE_SWITCHED_ON 0x0023
#define STATE_OPERATION_ENABLED 0x0027
#define STATE_QUICK_STOP_ACTIVE 0x0007
#define STATE_FAULT 0x000F
// 定义常量
#define POSITION_FACTOR (2 * PI / 65536.0) // 位置因子(单位:弧度)
#define VELOCITY_FACTOR (2 * PI / 60.0 / 65536.0) // 速度因子(单位:弧度/秒)
#define TORQUE_FACTOR (2 * PI / 65536.0 / 0.001) // 力矩因子(单位:牛米)
// 定义全局变量
static ec_master_t *master = NULL;
static ec_master_state_t master_state = {};
static ec_domain_t *domain = NULL;
static ec_domain_state_t domain_state = {};
static ec_slave_config_t *slave = NULL;
static ec_slave_config_state_t slave_state = {};
static uint8_t *domain_pd = NULL;
static ec_pdo_entry_reg_t domain_regs[] = {
{ECAT_SLAVE, PDO_OUTPUT_INDEX, PDO_OUTPUT_SUBINDEX_CONTROL, 16, &control_word},
{ECAT_SLAVE, PDO_INPUT_INDEX, PDO_INPUT_SUBINDEX_POSITION, 32, &position},
{ECAT_SLAVE, PDO_INPUT_INDEX, PDO_INPUT_SUBINDEX_VELOCITY, 32, &velocity},
{ECAT_SLAVE, PDO_INPUT_INDEX, PDO_INPUT_SUBINDEX_TORQUE, 16, &torque},
{}
};
static uint16_t control_word = 0x0000;
static int32_t target_position = 0;
static int32_t actual_position = 0;
static int32_t actual_velocity = 0;
static int16_t actual_torque = 0;
// 定义函数
static void check_domain_state(void);
static void check_slave_config_states(void);
int main(int argc, char *argv[]) {
// 初始化EtherCAT主站
if (ecrt_init() != 0) {
printf("Failed to initialize EtherCAT master!\n");
return -1;
}
// 获取EtherCAT主站
master = ecrt_request_master(0);
if (master == NULL) {
printf("Failed to get EtherCAT master!\n");
return -1;
}
// 发现从站
if (ecrt_master_scan(master, 0) <= 0) {
printf("No EtherCAT slaves found!\n");
return -1;
}
// 获取从站配置
slave = ecrt_master_slave_config(master, ECAT_SLAVE);
if (slave == NULL) {
printf("Failed to get slave configuration!\n");
return -1;
}
// 创建EtherCAT域
domain = ecrt_master_create_domain(master);
if (domain == NULL) {
printf("Failed to create EtherCAT domain!\n");
return -1;
}
// 注册PDO映射
if (ecrt_domain_reg_pdo_entry_list(domain, domain_regs) < 0) {
printf("Failed to register PDO entry list!\n");
return -1;
}
// 计算PDO映射
if (ecrt_master_application_time(master, REFRESH_RATE) != 0) {
printf("Failed to set application time!\n");
return -1;
}
if (ecrt_master_sync_reference_clock(master) != 0) {
printf("Failed to sync reference clock!\n");
return -1;
}
if (ecrt_domain_size(domain) > 0x1000) {
printf("Domain size exceeds 4KB!\n");
return -1;
}
domain_pd = ecrt_domain_data(domain);
// 配置从站
if (ecrt_slave_config_pdos(slave, EC_RT_MODE_3, 1, NULL, NULL) != EC_SUCCESS) {
printf("Failed to configure PDOs!\n");
return -1;
}
// 配置从站状态
if (ecrt_slave_config_map(slave) < 0) {
printf("Failed to configure slave state!\n");
return -1;
}
// 检查主站状态
ecrt_master_receive(master);
check_domain_state();
if (master_state.al_states != 0) {
printf("EtherCAT master is not in the AL state!\n");
return -1;
}
// 检查从站状态
ecrt_master_receive(master);
check_slave_config_states();
if (slave_state.al_state != 0) {
printf("EtherCAT slave is not in the AL state!\n");
return -1;
}
// 初始化从站
control_word = 0x0006; // 将控制字设置为“Switch On + Enable Operation”
ecrt_domain_queue(domain);
ecrt_master_send(master);
ecrt_master_receive(master);
check_domain_state();
if (actual_position != 0) {
printf("Failed to initialize the drive!\n");
return -1;
}
// 设置驱动器参数
control_word = 0x0007; // 将控制字设置为“Switch On + Enable Operation + Quick Stop”
ecrt_domain_queue(domain);
ecrt_master_send(master);
ecrt_master_receive(master);
check_domain_state();
if (actual_position != 0) {
printf("Failed to set drive parameters!\n");
return -1;
}
// 启动驱动器
control_word = 0x000F; // 将控制字设置为“Switch On + Enable Operation + Quick Stop + Enable Interpolated Position Mode”
ecrt_domain_queue(domain);
ecrt_master_send(master);
ecrt_master_receive(master);
check_domain_state();
if (actual_position != 0) {
printf("Failed to start the drive!\n");
return -1;
}
// 循环运行
while (1) {
// 读取当前位置、速度和力矩
ecrt_master_receive(master);
actual_position = *((int32_t *)(domain_pd + ecrt_slave_config_reg_pdo_entry_offset(slave, PDO_INPUT_INDEX, PDO_INPUT_SUBINDEX_POSITION)));
actual_velocity = *((int32_t *)(domain_pd + ecrt_slave_config_reg_pdo_entry_offset(slave, PDO_INPUT_INDEX, PDO_INPUT_SUBINDEX_VELOCITY)));
actual_torque = *((int16_t *)(domain_pd + ecrt_slave_config_reg_pdo_entry_offset(slave, PDO_INPUT_INDEX, PDO_INPUT_SUBINDEX_TORQUE)));
// 显示当前状态
switch (control_word & 0x006F) {
case STATE_NOT_READY_TO_SWITCH_ON:
printf("Drive is in the Not Ready to Switch On state.\n");
break;
case STATE_SWITCH_ON_DISABLED:
printf("Drive is in the Switch On Disabled state.\n");
break;
case STATE_READY_TO_SWITCH_ON:
printf("Drive is in the Ready to Switch On state.\n");
break;
case STATE_SWITCHED_ON:
printf("Drive is in the Switched On state.\n");
break;
case STATE_OPERATION_ENABLED:
printf("Drive is in the Operation Enabled state.\n");
break;
case STATE_QUICK_STOP_ACTIVE:
printf("Drive is in the Quick Stop Active state.\n");
break;
case STATE_FAULT:
printf("Drive is in the Fault state.\n");
break;
default:
printf("Drive is in an unknown state.\n");
break;
}
// 设置目标位置
if (control_word & 0x001F == STATE_OPERATION_ENABLED) {
target_position += (int32_t)(MAX_SPEED * REFRESH_RATE / 1000000.0);
if (target_position > 65536) {
target_position -= 65536;
}
*((int32_t *)(domain_pd + ecrt_slave_config_reg_pdo_entry_offset(slave, PDO_OUTPUT_INDEX, PDO_OUTPUT_SUBINDEX_CONTROL))) = CMD_SET_POSITION | (target_position << 8);
}
// 刷新PDO
ecrt_domain_queue(domain);
ecrt_master_send(master);
usleep(REFRESH_RATE);
}
// 停止驱动器
control_word = 0x0007; // 将控制字设置为“Switch On + Enable Operation + Quick Stop”
ecrt_domain_queue(domain);
ecrt_master_send(master);
ecrt_master_receive(master);
check_domain_state();
if (actual_position != 0) {
printf("Failed to stop the drive!\n");
return -1;
}
// 释放EtherCAT主站
ecrt_release_master(master);
master = NULL;
// 结束程序
return 0;
}
static void check_domain_state(void) {
ecrt_master_state(master, &master_state);
ecrt_domain_state(domain, &domain_state);
}
static void check_slave_config_states(void) {
ecrt_slave_config_state(slave, &slave_state);
}
```
这个示例程序使用了EtherCAT通信协议来控制雷塞(Leisai)556步进驱动器。程序中定义了一些常量和全局变量,包括刷新率、PDO映射、命令码、状态码等。程序首先初始化EtherCAT主站,并发现从站。然后,程序创建一个EtherCAT域,并注册PDO映射。接下来,程序配置从站和从站状态,并初始化驱动器。程序循环运行,读取当前位置、速度和力矩,并根据控制字设置目标位置。最后,程序停止驱动器并释放EtherCAT主站。
请注意,这只是一个示例程序,具体实现可能因驱动器型号和应用场景而异。在实际应用中,请根据实际情况进行调整。
igh ethercat步进例程
以下是使用 EtherCAT 协议控制步进电机的示例代码:
```c
#include "ecrt.h"
#define MOTOR_CHANNEL 0
#define MOTOR_POSITION 0x6064
#define MOTOR_PROFILE_VELOCITY 0x6081
#define MOTOR_TARGET_VELOCITY 0x60FF
#define MOTOR_MODE_OF_OPERATION 0x6060
#define MOTOR_CONTROL_WORD 0x6040
#define MOTOR_STATUS_WORD 0x6041
#define MOTOR_MAX_PROFILE_VELOCITY 3000
#define MOTOR_PROFILE_ACCELERATION 5000
#define MOTOR_PROFILE_DECELERATION 5000
#define MOTOR_TARGET_POSITION 10000
int main()
{
ec_master_t *master = ecrt_request_master(0);
ec_slave_config_t *sc_motor = ecrt_slave_config_create(0, MOTOR_CHANNEL);
ec_slave_config_pdos_clear(sc_motor);
// 配置输入对象字典
ec_pdo_entry_info_t motor_inputs[] = {
{MOTOR_STATUS_WORD, 0x10, EC_SIZE_UINT16},
{MOTOR_POSITION, 0x10, EC_SIZE_INT32},
{0}
};
ecrt_slave_config_pdos_add(sc_motor, EC_DIR_INPUT, motor_inputs);
// 配置输出对象字典
ec_pdo_entry_info_t motor_outputs[] = {
{MOTOR_CONTROL_WORD, 0x0f, EC_SIZE_UINT16},
{MOTOR_MODE_OF_OPERATION, 0x0f, EC_SIZE_UINT8},
{MOTOR_TARGET_VELOCITY, 0x0f, EC_SIZE_INT32},
{0}
};
ecrt_slave_config_pdos_add(sc_motor, EC_DIR_OUTPUT, motor_outputs);
if (ecrt_slave_config_reg_pdo_entry(sc_motor, MOTOR_CONTROL_WORD, 0, &motor_control_word) ||
ecrt_slave_config_reg_pdo_entry(sc_motor, MOTOR_MODE_OF_OPERATION, 0, &motor_mode_of_operation) ||
ecrt_slave_config_reg_pdo_entry(sc_motor, MOTOR_TARGET_VELOCITY, 0, &motor_target_velocity))
{
printf("Failed to register PDO entries for MOTOR\n");
return -1;
}
if (ecrt_master_activate(master))
{
printf("Failed to activate EtherCAT master\n");
return -1;
}
ec_slave_config_pdos_update(sc_motor);
// 进入电机操作模式
uint16_t motor_mode = 9;
if (ecrt_master_write(master, MOTOR_CHANNEL, MOTOR_MODE_OF_OPERATION, 0, &motor_mode, sizeof(motor_mode)))
{
printf("Failed to set motor mode of operation\n");
return -1;
}
// 设置电机最大速度
int32_t max_velocity = MOTOR_MAX_PROFILE_VELOCITY;
if (ecrt_master_write(master, MOTOR_CHANNEL, MOTOR_PROFILE_VELOCITY, 0, &max_velocity, sizeof(max_velocity)))
{
printf("Failed to set motor max profile velocity\n");
return -1;
}
// 设置加速度和减速度
int32_t profile_acceleration = MOTOR_PROFILE_ACCELERATION;
int32_t profile_deceleration = MOTOR_PROFILE_DECELERATION;
if (ecrt_master_write(master, MOTOR_CHANNEL, 0x6083, 0, &profile_acceleration, sizeof(profile_acceleration)) ||
ecrt_master_write(master, MOTOR_CHANNEL, 0x6084, 0, &profile_deceleration, sizeof(profile_deceleration)))
{
printf("Failed to set profile acceleration and deceleration\n");
return -1;
}
// 发送电机目标位置
int32_t target_position = MOTOR_TARGET_POSITION;
if (ecrt_master_write(master, MOTOR_CHANNEL, MOTOR_TARGET_POSITION, 0, &target_position, sizeof(target_position)))
{
printf("Failed to set motor target position\n");
return -1;
}
// 启动电机运动
uint16_t control_word = 0x0006;
if (ecrt_master_write(master, MOTOR_CHANNEL, MOTOR_CONTROL_WORD, 0, &control_word, sizeof(control_word)))
{
printf("Failed to start motor motion\n");
return -1;
}
// 循环读取电机状态
uint16_t status_word;
int32_t position;
while (1)
{
ecrt_master_read(master, MOTOR_CHANNEL, MOTOR_STATUS_WORD, 0, &status_word, sizeof(status_word));
ecrt_master_read(master, MOTOR_CHANNEL, MOTOR_POSITION, 0, &position, sizeof(position));
if (status_word & 0x100)
{
printf("Motor reached target position!\n");
break;
}
}
// 停止电机运动
control_word = 0x0000;
if (ecrt_master_write(master, MOTOR_CHANNEL, MOTOR_CONTROL_WORD, 0, &control_word, sizeof(control_word)))
{
printf("Failed to stop motor motion\n");
return -1;
}
ecrt_release_master(master);
return 0;
}
```
这段代码使用 EtherCAT 协议控制步进电机,实现了设置电机运动模式、最大速度、加速度、减速度和目标位置,并启动电机运动,等待电机到达目标位置后停止运动。这其中的具体实现和配置需要根据实际硬件设备和 EtherCAT 网络的具体情况进行调整和修改。
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