bics/teensy4.1_spi2_master_slave
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Adema 2025-05-28 16:18:59 +02:00
parent e9f4f0c690
commit 0cd860fefb
1 changed files with 4 additions and 0 deletions
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4
spi_send/spi_send.ino
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@ -1,6 +1,7 @@
#include <SPI.h>
#define cs_pin 44 // Chip Select pin (must match the slave setup)
byte cnt = 0;
uint8_t dataToSend[256];
@ -19,6 +20,9 @@ void loop() {
for (int i = 0; i < 256; i++) {
dataToSend[i] = i;
}
dataToSend[0] = cnt;
cnt++;
if(cnt>256)cnt=0;
SPI2.beginTransaction(SPISettings(22000000, MSBFIRST, SPI_MODE0));
Serial.println("Sending data...");