List of modules Interfaces

Interfaces table for the motherboard

Name Title Amplitude Raspberry GPIO
ITF-1_GND Ground [0V]
ITF-2_VDD_5V 5V alimentation [5V, 5V]
ITF-3_ENV Enveloppe of the signal [0V, 2.5V]
ITF-4_RawSig Amplified filtered signal [0V, 2.5V]
ITF-5_RENV Raw signal envelope [VREF, 2.5V]
ITF-6_P6 OLED SDA [0V, 3V] GPIO 02
ITF-7_GAIN Amplifier gain control [0V, 1V]
ITF-8_P8 -Pi OLED SCL [0V, 3V] GPIO03
ITF-9_Pon Pulse on [0V, 5V] Jumper to connect to GPIO 23
ITF-10_Poff Pulse off [0V, 5V] Jumper to connect to GPIO 24
ITF-11_OffSig Signal offset by Vref/2 [0V, 3.3V]
ITF-12_RPIn Pi ADC DAQ [0V, 3.3V] GPIO 05
ITF-13_P13 Unused
ITF-14_PWM Servo PWM [0V, 3.3V] GPIO 06
ITF-15_GPIO21 GPIO21 connection GPIO 21
ITF-16_POn3 Pulse On 3V [0V, 3.3V] GPIO 23
ITF-17_POff3 Pulse Off 3V [0V, 3.3V] GPIO 24
ITF-18_Raw Raw signal fro transducer [-5V, 5V]
ITF-19_3.3V 3.3V alimentation [3.3V, 3.3V]

Interfaces for Raspberry Pi

-> Core
#define ADC_CLK     4
#define RPIn     5
#define PWM     6
#define Puls_ON     23
#define Puls_OFF 24
#define TRACKER     21
-> Optional
#define oled_sda 2
#define oled_sdc 3

//ADC 1
#define BIT0_PIN 16
#define BIT1_PIN 17
#define BIT2_PIN 18
#define BIT3_PIN 19
#define BIT4_PIN 20
#define BIT5_PIN 22
#define BIT6_PIN 25
#define BIT7_PIN 26
#define BIT8_PIN 27

//ADC 2 (leaves SPI0 free)
#define BIT0_PIN 7
#define BIT1_PIN 8
#define BIT2_PIN 9
#define BIT3_PIN 10
#define BIT4_PIN 11
#define BIT5_PIN 12
#define BIT6_PIN 13
#define BIT7_PIN 14
#define BIT8_PIN 15

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