Lin ShengKun
/
rtos_mutex
NYP
Fork of rtos_mutex by
Revision 8:075a9610e2cd, committed 2018-05-02
- Comitter:
- ha731548874
- Date:
- Wed May 02 03:30:28 2018 +0000
- Parent:
- 7:bd0aa7f21f53
- Commit message:
- NYP
Changed in this revision
--- a/main.cpp Wed Feb 15 13:58:42 2017 -0600 +++ b/main.cpp Wed May 02 03:30:28 2018 +0000 @@ -1,27 +1,99 @@ #include "mbed.h" #include "rtos.h" - -Mutex stdio_mutex; - -void notify(const char* name, int state) { - stdio_mutex.lock(); - printf("%s: %d\n\r", name, state); - stdio_mutex.unlock(); +DigitalOut l1(LED1); +DigitalOut l2(LED2); +DigitalOut l3(LED3); +DigitalOut l4(LED4); +Thread servo; +//Mutex stdio_mutex; +RawSerial motor(PC_4,PC_5); +unsigned char tx_buffer[3]; +unsigned char tx_buffer_ptr = 0; +unsigned char tx_buffer_full = false; +unsigned char rx_buffer[6]; +unsigned char rx_buffer_ptr = 0; +unsigned char rx_buffer_full = false; +signed short int motorcp[] = {8500,8500}; +unsigned short int Position; +int MotorID; +void Tx_interrupt(); +void Rx_interrupt(); +void motor_update(unsigned char Id, unsigned short int Position) +{ + unsigned char id,lo,hi; + id=0x80|Id; + hi=(Position>>7)&0x007F; + lo=Position&0x007F; + NVIC_DisableIRQ(USART3_IRQn); + tx_buffer[0] = id; + tx_buffer[1] = hi; + tx_buffer[2] = lo; +// wait(0.0008); + NVIC_EnableIRQ(USART3_IRQn); } - -void test_thread(void const *args) { - while (true) { - notify((const char*)args, 0); Thread::wait(1000); - notify((const char*)args, 1); Thread::wait(1000); +void tx_thread() +{ +// stdio_mutex.lock(); + for(MotorID=0;MotorID<=1;MotorID++) + { + motor_update(MotorID,motorcp[MotorID]); + wait_us(900); + } +// stdio_mutex.unlock(); +} +void SERVO_thread() +{ + motor.format(8,Serial::Even,1); + motor.baud(115200); + rx_buffer_ptr = 0; + rx_buffer_full = false; + motor.attach(&Rx_interrupt, Serial::RxIrq); + motor.attach(&Tx_interrupt, Serial::TxIrq); + NVIC_EnableIRQ(USART3_IRQn); + RtosTimer motorposition(tx_thread); + motorposition.start(10); + while(1) + { + motorcp[0]=7500; + motorcp[1]=7500; + Thread::wait(1000); + motorcp[0]=8500; + motorcp[1]=8500; + Thread::wait(1000); } } - -int main() { - Thread t2; - Thread t3; - - t2.start(callback(test_thread, (void *)"Th 2")); - t3.start(callback(test_thread, (void *)"Th 3")); - - test_thread((void *)"Th 1"); +int main() +{ + servo.start(SERVO_thread); + while (1) + { + l1=!l1; + Thread::wait(1000); +// printf("Tx : %d %x %x\r\n",tx_buffer[0],tx_buffer[1],tx_buffer[2]); +// printf("RX : %d %x %x %d %x %x \r\n",rx_buffer[0], rx_buffer[1],rx_buffer[2],rx_buffer[3],rx_buffer[4],rx_buffer[5]); + } } +void Tx_interrupt() +{ + while(motor.writeable()) + { + motor.putc(tx_buffer[tx_buffer_ptr]); + tx_buffer_ptr++; + if(tx_buffer_ptr==3) + tx_buffer_ptr = 0; + } + return; +} +void Rx_interrupt() +{ + while(motor.readable()) + { + rx_buffer[rx_buffer_ptr] = motor.getc(); + rx_buffer_ptr++; + if(rx_buffer_ptr==6) + { + rx_buffer_full = true; + rx_buffer_ptr=0; + } + } +}
--- a/mbed-rtos.lib Wed Feb 15 13:58:42 2017 -0600 +++ b/mbed-rtos.lib Wed May 02 03:30:28 2018 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed-rtos/ \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed-rtos/#5713cbbdb706
--- a/mbed.bld Wed Feb 15 13:58:42 2017 -0600 +++ b/mbed.bld Wed May 02 03:30:28 2018 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/ \ No newline at end of file +https://os.mbed.com/users/mbed_official/code/mbed/builds/5aab5a7997ee \ No newline at end of file