Serial Interrupt Library with mbed RTOS for multi-threading
Dependencies: buffered-serial1 mbed-rtos mbed
Fork of Serial_interrupts by
main.cpp
- Committer:
- tylerjw
- Date:
- 2012-12-11
- Revision:
- 10:e489f1ee71d8
- Parent:
- 8:df59d668cab1
File content as of revision 10:e489f1ee71d8:
#include "mbed.h" #include "buffered_serial.h" #include "rtos.h" // Setup: connect p13 and p14 together to create a serial loopback // Sends out ASCII numbers in a loop and reads them back // If not the same number LED4 goes on // LED1 and LED2 indicate RX and TX interrupt routine activity // LED3 changing indicate main loop running // if the program is working correctly you should see LED 1, 2, & 3 dimly lit and LED 4 off BufferedSerial device(p13,p14); // UART1 - p13, p14 DigitalOut led3(LED3); DigitalOut led4(LED4); // Line buffers for sprintf and sscanf char tx_line[80]; char rx_line[80]; void serial_thread(const void *args) { int i=0; int rx_i=0; device.baud(9600); // Formatted IO test using send and receive serial interrupts // with sprintf and sscanf while (1) { // Loop to generate different test values - send value in hex, decimal, and octal and then read back for (i=0; i<0xFFFF; i++) { led3=1; // Print ASCII number to tx line buffer in hex sprintf(tx_line,"%x\r\n",i); // Copy tx line buffer to large tx buffer for tx interrupt routine device.send_line(tx_line); // Print ASCII number to tx line buffer in decimal sprintf(tx_line,"%d\r\n",i); // Copy tx line buffer to large tx buffer for tx interrupt routine device.send_line(tx_line); // Print ASCII number to tx line buffer in octal sprintf(tx_line,"%o\r\n",i); // Copy tx line buffer to large tx buffer for tx interrupt routine device.send_line(tx_line); led3=0; // Read a line from the large rx buffer from rx interrupt routine device.read_line(rx_line); // Read ASCII number from rx line buffer sscanf(rx_line,"%x",&rx_i); // Check that numbers are the same if (i != rx_i) led4=1; // Read a line from the large rx buffer from rx interrupt routine device.read_line(rx_line); // Read ASCII number from rx line buffer sscanf(rx_line,"%d",&rx_i); // Check that numbers are the same if (i != rx_i) led4=1; // Read a line from the large rx buffer from rx interrupt routine device.read_line(rx_line); // Read ASCII number from rx line buffer sscanf(rx_line,"%o",&rx_i); // Check that numbers are the same if (i != rx_i) led4=1; } } } // main test program int main() { Thread thread(serial_thread); while(1); }