⚡ NVIC 240 IRQs
🎯 1.25 DMIPS/MHz
Cortex-M3 Professional Toolkit
Industrial Embedded Systems & Real-Time Control Applications
⚡ Real-Time Operating System Designer HARD REAL-TIME
⚙️ RTOS Configuration
🎯 Task Configuration
Control Loop Task
HIGH (7)
Period: 1 ms
Stack: 512B
Communication Task
MEDIUM (5)
Period: 10 ms
Stack: 1KB
Monitoring Task
LOW (3)
Period: 100 ms
Stack: 256B
🎛️ Interrupt Configuration
SysTick Timer:
1 kHz
NVIC Priority Groups:
4 bits preemption
Interrupt Latency:
12 cycles
📊 RTOS Timeline Analysis
CPU Usage
68%
Tasks
8
ISRs
12
🔄 Task State Diagram
READY
3 tasks
RUNNING
1 task
BLOCKED
2 tasks
SUSPENDED
2 tasks
Worst-case Exec Time
950 µs
Context Switch Time
1.2 µs
Interrupt Latency
0.25 µs
💻 RTOS Configuration Code
/* FreeRTOS Configuration for Cortex-M3 */
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
#include "timers.h"
/* Task Handles */
TaskHandle_t xControlTaskHandle = NULL;
TaskHandle_t xCommTaskHandle = NULL;
TaskHandle_t xMonitorTaskHandle = NULL;
/* Queue Handles */
QueueHandle_t xControlQueue = NULL;
QueueHandle_t xEventQueue = NULL;
/* Control Task - Highest Priority */
void vControlTask(void *pvParameters) {
TickType_t xLastWakeTime = xTaskGetTickCount();
const TickType_t xFrequency = pdMS_TO_TICKS(1); // 1ms period
while(1) {
// Read sensors
float position = read_encoder();
float velocity = read_velocity();
// PID Control Loop
float control_output = pid_controller(position, velocity);
// Send to actuator
set_motor_pwm(control_output);
// Wait for next period
vTaskDelayUntil(&xLastWakeTime, xFrequency);
}
}
/* Communication Task - Medium Priority */
void vCommTask(void *pvParameters) {
TickType_t xLastWakeTime = xTaskGetTickCount();
const TickType_t xFrequency = pdMS_TO_TICKS(10); // 10ms period
while(1) {
// Process communication
process_can_messages();
send_telemetry_data();
vTaskDelayUntil(&xLastWakeTime, xFrequency);
}
}
int main(void) {
// Hardware initialization
SystemInit();
peripheral_init();
// Create RTOS objects
xControlQueue = xQueueCreate(10, sizeof(ControlMsg));
xEventQueue = xQueueCreate(20, sizeof(EventMsg));
// Create tasks
xTaskCreate(vControlTask, "CTRL", 512, NULL, 7, &xControlTaskHandle);
xTaskCreate(vCommTask, "COMM", 1024, NULL, 5, &xCommTaskHandle);
xTaskCreate(vMonitorTask, "MON", 256, NULL, 3, &xMonitorTaskHandle);
// Start scheduler
vTaskStartScheduler();
// Should never reach here
while(1);
}
🏭 Industrial Control System Designer IEC 61131-3
⚙️ PLC Configuration
🔌 I/O Configuration
Digital Inputs:
16
Digital Outputs:
12
Analog Inputs:
8 (12-bit)
Analog Outputs:
4 (10-bit)
PWM Outputs:
6
Encoder Inputs:
2
🛡️ Safety Features
📐 Ladder Logic Designer
I0.0
I0.1
Q0.0
I0.2
T0
Q0.1
I0.3
C0
M0.0
📈 Process Visualization
🎛️ Sensor
⚙️ Controller
⚡ Actuator
📊 Process Variables
Temperature:
75.2°C
Pressure:
2.5 bar
Flow Rate:
12.8 L/min
Motor Speed:
1450 RPM
Position:
325 mm
PLC Scan Time:
5.2 ms
Max allowed: 10 ms
📡 Industrial Communication Protocols
Modbus RTU
9600-115200 bps
ACTIVE
CAN 2.0B
1 Mbps
ACTIVE
Ethernet/IP
100 Mbps
CONFIG
PROFIBUS DP
12 Mbps
OFF
🔧 Cortex-M3 Peripheral Configuration Manager HAL CONFIG
🎛️ Peripheral Selection
⏱️ Clock Configuration
System Clock:
72 MHz
HCLK:
72 MHz
PCLK1:
36 MHz
PCLK2:
72 MHz
🔌 GPIO Configuration
Port A
PA0
OUT
OUT
PA1
IN
IN
PA2
ADC
ADC
PA3
USART
USART
🌀 DMA Configuration
Channel 1:
ADC1 → Memory
Channel 2:
Memory → SPI1
Channel 3:
USART1 Rx
📋 Peripheral Register Map
GPIO Registers
▼
MODER
0x4002 0000
0x5555 5555
OTYPER
0x4002 0004
0x0000 0000
OSPEEDR
0x4002 0008
0xFFFF FFFF
USART Registers
▼
CR1
0x4001 1000
0x200C
BRR
0x4001 1008
0x0683
TIMER Registers
▼
CR1
0x4000 0000
0x0001
PSC
0x4000 0028
7199
ARR
0x4000 002C
9999
🔬 Register Bit Field Editor
GPIOA->MODER (Mode Register)
MODER0
MODER1
MODER2
⚡ Interrupt Mapping
TIM1 Update
IRQ25
USART1 Rx
IRQ37
ADC1 Complete
IRQ18
EXTI Line0
IRQ6
📡 Communication Stack (Coming Soon)
CAN • Modbus • Ethernet • USB • Bluetooth • Custom Protocols • Network Stacks
🔋 Power Management (Coming Soon)
Sleep Modes • Dynamic Voltage Scaling • Power Profiling • Battery Optimization
🔄 Firmware Update (Coming Soon)
Bootloader • OTA Updates • Delta Updates • Secure Flashing • Rollback Protection
🐛 Debug Tools (Coming Soon)
SWD/JTAG • ITM Trace • RTT • Crash Analysis • Performance Profiling
🚀 Project Wizard (Coming Soon)
Project Templates • Code Generation • Build System • IDE Integration
Industrial
Automotive
Home Auto
Energy
Medical
© 2024 Cortex-M3 Professional Toolkit | Optimized for Industrial Control, Real-Time Systems, and Embedded Applications
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