João Jardim / Mbed 2 deprecated freertos_bluetooth

m3pi with RN41XVC-I/RM bluetooth module

Dependencies:   mbed m3pi FreeRTOS

main.cpp@4:33929b1afb80, 2018-12-05 (annotated)

Committer:
JoaoJardim
Date:
Wed Dec 05 17:56:16 2018 +0000
Revision:
4:33929b1afb80
Parent:
3:d577dbef65a2 
m3pi with RN41XVC-I/RM

Who changed what in which revision?

UserRevisionLine numberNew contents of line
chalikias 2:7a112956091c 1 // N.C. Freertos mbed minimal example based on below:
chalikias 2:7a112956091c 2 // https://developer.mbed.org/users/rgrover1/code/FreeRTOS/
chalikias 0:7f7fa5e631ec 3 // http://www.radekdostal.com/content/freertos-610-minimal-example
chalikias 0:7f7fa5e631ec 4
chalikias 0:7f7fa5e631ec 5 #include "mbed.h"
chalikias 0:7f7fa5e631ec 6 #include "FreeRTOS.h"
chalikias 0:7f7fa5e631ec 7 #include "task.h"
JoaoJardim 4:33929b1afb80 8 #include "m3pi.h"
JoaoJardim 4:33929b1afb80 9
JoaoJardim 4:33929b1afb80 10 m3pi m3pi;
chalikias 0:7f7fa5e631ec 11
chalikias 0:7f7fa5e631ec 12 DigitalOut led1(LED1);
chalikias 0:7f7fa5e631ec 13 DigitalOut led2(LED2);
chalikias 0:7f7fa5e631ec 14
JoaoJardim 4:33929b1afb80 15 Serial rn41(p28,p27); // Serial rn41(p9,p10);
JoaoJardim 4:33929b1afb80 16
JoaoJardim 4:33929b1afb80 17
JoaoJardim 4:33929b1afb80 18 const portTickType xDelay = 100 / portTICK_RATE_MS;
JoaoJardim 4:33929b1afb80 19
JoaoJardim 4:33929b1afb80 20 const float fVref = 4.0;
JoaoJardim 4:33929b1afb80 21
JoaoJardim 4:33929b1afb80 22
JoaoJardim 4:33929b1afb80 23 void TaskBluetooth (void* pvParameters)
chalikias 0:7f7fa5e631ec 24 {
chalikias 0:7f7fa5e631ec 25 (void) pvParameters; // Just to stop compiler warnings.
JoaoJardim 4:33929b1afb80 26
JoaoJardim 4:33929b1afb80 27 char *cBufferBT;
JoaoJardim 4:33929b1afb80 28
JoaoJardim 4:33929b1afb80 29 rn41.baud(115200);
JoaoJardim 4:33929b1afb80 30 led1 = 1;
JoaoJardim 4:33929b1afb80 31 led2 = 1;
JoaoJardim 4:33929b1afb80 32
chalikias 0:7f7fa5e631ec 33 for (;;) {
JoaoJardim 4:33929b1afb80 34
JoaoJardim 4:33929b1afb80 35 if(m3pi.battery() < fVref) {
JoaoJardim 4:33929b1afb80 36 m3pi.cls();
JoaoJardim 4:33929b1afb80 37 m3pi.locate(0,0);
JoaoJardim 4:33929b1afb80 38 m3pi.print("Low Pwr!", 8);
JoaoJardim 4:33929b1afb80 39 }
JoaoJardim 4:33929b1afb80 40 else{
JoaoJardim 4:33929b1afb80 41 m3pi.cls();
JoaoJardim 4:33929b1afb80 42 m3pi.locate(0,0);
JoaoJardim 4:33929b1afb80 43 m3pi.print("BT Task", 8);
JoaoJardim 4:33929b1afb80 44 }
JoaoJardim 4:33929b1afb80 45
JoaoJardim 4:33929b1afb80 46 if (rn41.readable()) { // When BT is readable
JoaoJardim 4:33929b1afb80 47
JoaoJardim 4:33929b1afb80 48 sprintf(cBufferBT, "%d", rn41.getc()); // Reads Bluetooth
JoaoJardim 4:33929b1afb80 49 m3pi.locate(0,1); // Prints the received message on the LCD
JoaoJardim 4:33929b1afb80 50 m3pi.print(cBufferBT, 8);
JoaoJardim 4:33929b1afb80 51
JoaoJardim 4:33929b1afb80 52 rn41.putc(6); // Send message to the BT terminal
JoaoJardim 4:33929b1afb80 53 led2 = !led2;
JoaoJardim 4:33929b1afb80 54 }
JoaoJardim 4:33929b1afb80 55
chalikias 0:7f7fa5e631ec 56 led1 = !led1;
JoaoJardim 4:33929b1afb80 57 vTaskDelay(xDelay);
chalikias 0:7f7fa5e631ec 58 }
chalikias 0:7f7fa5e631ec 59 }
chalikias 0:7f7fa5e631ec 60
JoaoJardim 4:33929b1afb80 61
chalikias 0:7f7fa5e631ec 62
chalikias 0:7f7fa5e631ec 63 int main (void)
chalikias 0:7f7fa5e631ec 64 {
JoaoJardim 4:33929b1afb80 65 xTaskCreate( TaskBluetooth, ( signed char * ) "TaskBluetooth", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY, ( xTaskHandle * ) NULL );
chalikias 0:7f7fa5e631ec 66 vTaskStartScheduler();
chalikias 0:7f7fa5e631ec 67 //should never get here
chalikias 0:7f7fa5e631ec 68 printf("ERORR: vTaskStartScheduler returned!");
chalikias 0:7f7fa5e631ec 69 for (;;);
chalikias 0:7f7fa5e631ec 70 }