28 lines
618 B
Arduino
28 lines
618 B
Arduino
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#include <Arduino.h>
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#include <i2c_device.h>
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#define SLAVE_ADDR 0x08
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#define BUFFER_SIZE 256
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i2c_device i2c = i2c_device(Wire, SLAVE_ADDR); // Use default Wire (I2C1)
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uint8_t dataBuffer[BUFFER_SIZE];
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void setup() {
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Wire.begin();
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Wire.setClock(1000000); // Set I2C clock speed to 1 MHz
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// Fill buffer with test data
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for (int i = 0; i < BUFFER_SIZE; i++) {
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dataBuffer[i] = i;
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}
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delay(1000); // Allow slave to initialize
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}
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void loop() {
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i2c.write(dataBuffer, BUFFER_SIZE); // Send full 256 bytes in one transaction
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delay(10); // Small delay before next transmission
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}
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