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analogRead.ino
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analogRead.ino
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/*
[BLUEPILL Pinout]
----------
BAT-| STM32F |-3V3
LED=PC13-| 103C |-GND
OSC32IN=PC14-| |-5V
OSC32OUT=PC15-| |-PB9(~)
PA0(~)-| |-PB8(~)
PA1(~)-| |-PB7(~)=SDA
PA2(~)-| |-PB6(~)=SCL
PA3(~)-| |-PB5
NSS=PA4-| |-PB4
SCK=PA5-| |-PB3
MISO=PA6(~)-| |-PA15
MOSI=PA7(~)-| |-PA12=USB+
PB0(~)-| |-PA11=USB-
PB1(~)-| |-PA10(~)=RX
PB10-| |-PA9(~)=TX
PB11-| |-PA8(~)
NRST-| |-PB15
3V3-| |-PB14
GND-| -- |-PB13
GND-| | | |-PB12
----------
*/
void setup()
{
Serial.begin();
}
void loop()
{
// ADC is 12bit(0~4095, 3.3Vmax)
unsigned int A0_value = analogRead(PA0);
unsigned int A1_value = analogRead(PA1);
unsigned int A2_value = analogRead(PA2);
unsigned int A3_value = analogRead(PA3);
Serial.print("A0_Value["); Serial.print(A0_value); Serial.print("] ");
Serial.print("A1_Value["); Serial.print(A1_value); Serial.print("] ");
Serial.print("A2_Value["); Serial.print(A2_value); Serial.print("] ");
Serial.print("A3_Value["); Serial.print(A3_value); Serial.println("]");
delay(1000);
}