Tyler Weaver / Mbed 2 deprecated Serial_interrupts_buffered

Serial Interrupt Library with mbed RTOS for multi-threading

Dependencies:   buffered-serial1 mbed-rtos mbed

Fork of Serial_interrupts by jim hamblen

main.cpp@10:e489f1ee71d8, 2012-12-11 (annotated)

Committer:
tylerjw
Date:
Tue Dec 11 04:21:06 2012 +0000
Revision:
10:e489f1ee71d8
Parent:
8:df59d668cab1 
library publish;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
4180_1 0:023c5cda6102 1 #include "mbed.h"
tylerjw 1:2f1e54d137c7 2 #include "buffered_serial.h"
tylerjw 4:b6e538868312 3 #include "rtos.h"
tylerjw 10:e489f1ee71d8 4 // Setup: connect p13 and p14 together to create a serial loopback
4180_1 0:023c5cda6102 5 // Sends out ASCII numbers in a loop and reads them back
4180_1 0:023c5cda6102 6 // If not the same number LED4 goes on
4180_1 0:023c5cda6102 7 // LED1 and LED2 indicate RX and TX interrupt routine activity
4180_1 0:023c5cda6102 8 // LED3 changing indicate main loop running
tylerjw 10:e489f1ee71d8 9 // if the program is working correctly you should see LED 1, 2, & 3 dimly lit and LED 4 off
4180_1 0:023c5cda6102 10
tylerjw 8:df59d668cab1 11 BufferedSerial device(p13,p14); // UART1 - p13, p14
4180_1 0:023c5cda6102 12
4180_1 0:023c5cda6102 13 DigitalOut led3(LED3);
4180_1 0:023c5cda6102 14 DigitalOut led4(LED4);
4180_1 0:023c5cda6102 15
4180_1 0:023c5cda6102 16 // Line buffers for sprintf and sscanf
4180_1 0:023c5cda6102 17 char tx_line[80];
4180_1 0:023c5cda6102 18 char rx_line[80];
4180_1 0:023c5cda6102 19
tylerjw 4:b6e538868312 20 void serial_thread(const void *args)
tylerjw 1:2f1e54d137c7 21 {
4180_1 0:023c5cda6102 22 int i=0;
4180_1 0:023c5cda6102 23 int rx_i=0;
4180_1 0:023c5cda6102 24 device.baud(9600);
tylerjw 4:b6e538868312 25
4180_1 0:023c5cda6102 26 // Formatted IO test using send and receive serial interrupts
4180_1 0:023c5cda6102 27 // with sprintf and sscanf
4180_1 0:023c5cda6102 28 while (1) {
4180_1 0:023c5cda6102 29 // Loop to generate different test values - send value in hex, decimal, and octal and then read back
4180_1 0:023c5cda6102 30 for (i=0; i<0xFFFF; i++) {
4180_1 0:023c5cda6102 31 led3=1;
4180_1 0:023c5cda6102 32 // Print ASCII number to tx line buffer in hex
4180_1 0:023c5cda6102 33 sprintf(tx_line,"%x\r\n",i);
4180_1 0:023c5cda6102 34 // Copy tx line buffer to large tx buffer for tx interrupt routine
tylerjw 1:2f1e54d137c7 35 device.send_line(tx_line);
4180_1 0:023c5cda6102 36 // Print ASCII number to tx line buffer in decimal
4180_1 0:023c5cda6102 37 sprintf(tx_line,"%d\r\n",i);
4180_1 0:023c5cda6102 38 // Copy tx line buffer to large tx buffer for tx interrupt routine
tylerjw 1:2f1e54d137c7 39 device.send_line(tx_line);
4180_1 0:023c5cda6102 40 // Print ASCII number to tx line buffer in octal
4180_1 0:023c5cda6102 41 sprintf(tx_line,"%o\r\n",i);
4180_1 0:023c5cda6102 42 // Copy tx line buffer to large tx buffer for tx interrupt routine
tylerjw 1:2f1e54d137c7 43 device.send_line(tx_line);
4180_1 0:023c5cda6102 44 led3=0;
4180_1 0:023c5cda6102 45 // Read a line from the large rx buffer from rx interrupt routine
tylerjw 1:2f1e54d137c7 46 device.read_line(rx_line);
4180_1 0:023c5cda6102 47 // Read ASCII number from rx line buffer
4180_1 0:023c5cda6102 48 sscanf(rx_line,"%x",&rx_i);
4180_1 0:023c5cda6102 49 // Check that numbers are the same
4180_1 0:023c5cda6102 50 if (i != rx_i) led4=1;
4180_1 0:023c5cda6102 51 // Read a line from the large rx buffer from rx interrupt routine
tylerjw 1:2f1e54d137c7 52 device.read_line(rx_line);
4180_1 0:023c5cda6102 53 // Read ASCII number from rx line buffer
4180_1 0:023c5cda6102 54 sscanf(rx_line,"%d",&rx_i);
4180_1 0:023c5cda6102 55 // Check that numbers are the same
4180_1 0:023c5cda6102 56 if (i != rx_i) led4=1;
4180_1 0:023c5cda6102 57 // Read a line from the large rx buffer from rx interrupt routine
tylerjw 1:2f1e54d137c7 58 device.read_line(rx_line);
4180_1 0:023c5cda6102 59 // Read ASCII number from rx line buffer
4180_1 0:023c5cda6102 60 sscanf(rx_line,"%o",&rx_i);
4180_1 0:023c5cda6102 61 // Check that numbers are the same
4180_1 0:023c5cda6102 62 if (i != rx_i) led4=1;
4180_1 0:023c5cda6102 63 }
4180_1 0:023c5cda6102 64 }
4180_1 0:023c5cda6102 65 }
4180_1 0:023c5cda6102 66
tylerjw 4:b6e538868312 67 // main test program
tylerjw 4:b6e538868312 68 int main()
tylerjw 4:b6e538868312 69 {
tylerjw 4:b6e538868312 70 Thread thread(serial_thread);
tylerjw 4:b6e538868312 71
tylerjw 4:b6e538868312 72 while(1);
tylerjw 4:b6e538868312 73 }
tylerjw 4:b6e538868312 74