Shahariar Hossain / Mbed 2 deprecated STM32TextLCD_HelloWorld

20x4 LCD with SRM32F407

Dependencies:   mbed TextLCD

main.cpp@3:15d08fd609ec, 2020-01-13 (annotated)

Committer:
suntopbd
Date:
Mon Jan 13 04:36:25 2020 +0000
Revision:
3:15d08fd609ec
Parent:
2:ad0b044d0a10 
ok

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 1:7418a52375a0 1 // Hello World! for the TextLCD
simon 1:7418a52375a0 2
simon 0:334327d1a416 3 #include "mbed.h"
simon 0:334327d1a416 4 #include "TextLCD.h"
simon 0:334327d1a416 5
suntopbd 3:15d08fd609ec 6 TextLCD lcd(PC_15, PC_13, PC_14, PE_6, PE_4, PE_2,TextLCD::LCD20x4); // rs, e, d4-d7
suntopbd 3:15d08fd609ec 7 AnalogIn adcPB0(PB_0);
suntopbd 3:15d08fd609ec 8 AnalogIn adcPB1(PB_1);
suntopbd 3:15d08fd609ec 9 AnalogOut dacPA5(PA_5);
suntopbd 3:15d08fd609ec 10 DigitalIn buttonPA0 (PA_0);
suntopbd 3:15d08fd609ec 11 DigitalIn extbutton1PE5 (PE_5);
suntopbd 3:15d08fd609ec 12 DigitalIn extbutton2PE3 (PE_3);
suntopbd 3:15d08fd609ec 13 DigitalOut rLED(PD_14); // on board red LED, DO
suntopbd 3:15d08fd609ec 14 DigitalOut bLED(PD_15); // on board blue LED. DO
suntopbd 3:15d08fd609ec 15 DigitalOut gLED(PD_12); // on board green LED, DO
suntopbd 3:15d08fd609ec 16 DigitalOut oLED(PD_13); // on board orange LED, DO
suntopbd 3:15d08fd609ec 17
suntopbd 3:15d08fd609ec 18 DigitalOut exRef(PE_7); // on board orange LED, DO
suntopbd 3:15d08fd609ec 19
suntopbd 3:15d08fd609ec 20
suntopbd 3:15d08fd609ec 21
suntopbd 3:15d08fd609ec 22 uint32_t adcval=0;
suntopbd 3:15d08fd609ec 23 uint16_t val=0;
suntopbd 3:15d08fd609ec 24
simon 0:334327d1a416 25
simon 0:334327d1a416 26 int main() {
suntopbd 3:15d08fd609ec 27 dacPA5=0.0f;
suntopbd 3:15d08fd609ec 28 extbutton1PE5.mode(PullUp);
suntopbd 3:15d08fd609ec 29 extbutton2PE3.mode(PullUp);
suntopbd 3:15d08fd609ec 30 exRef=1;
suntopbd 3:15d08fd609ec 31
suntopbd 3:15d08fd609ec 32 while(1)
suntopbd 3:15d08fd609ec 33 {
suntopbd 3:15d08fd609ec 34 lcd.cls();
suntopbd 3:15d08fd609ec 35 lcd.printf("mbed with STM32F407G");
suntopbd 3:15d08fd609ec 36 lcd.printf(" !! It Worked !!\n");
suntopbd 3:15d08fd609ec 37 if(dacPA5<1.00f)
suntopbd 3:15d08fd609ec 38 dacPA5 = dacPA5+0.002442f;
suntopbd 3:15d08fd609ec 39 adcval=0;
suntopbd 3:15d08fd609ec 40 for(int i=0;i<4096;i++)
suntopbd 3:15d08fd609ec 41 {
suntopbd 3:15d08fd609ec 42 adcval= adcval + 4095*adcPB1.read_u16()/65535; // 12 bit value
suntopbd 3:15d08fd609ec 43 }
suntopbd 3:15d08fd609ec 44 val=adcval/4096;
suntopbd 3:15d08fd609ec 45 lcd.printf(" ADC on PB1: %d\n", val);
suntopbd 3:15d08fd609ec 46 lcd.printf("AREF Volts: %f",(2.9464*val/4095));
suntopbd 3:15d08fd609ec 47 wait(.25);
suntopbd 3:15d08fd609ec 48 rLED =extbutton1PE5.read();
suntopbd 3:15d08fd609ec 49 bLED =extbutton2PE3.read();
suntopbd 3:15d08fd609ec 50 gLED =!extbutton1PE5.read();
suntopbd 3:15d08fd609ec 51 oLED =!extbutton2PE3.read();
suntopbd 3:15d08fd609ec 52 while(buttonPA0)
suntopbd 3:15d08fd609ec 53 {}
suntopbd 3:15d08fd609ec 54
suntopbd 3:15d08fd609ec 55 }
simon 0:334327d1a416 56 }