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lib_i2c/examples/app_simple_synchronous_master/src/simple_synchronous_master.xc

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+// Copyright 2018-2021 XMOS LIMITED.
+// This Software is subject to the terms of the XMOS Public Licence: Version 1.
+
+/* A simple application example used for code snippets in the library
+ * documentation.
+ */
+
+#include <xs1.h>
+#include <stdio.h>
+#include "i2c.h"
+
+void my_application(client i2c_master_if i2c, uint8_t target_device_addr);
+
+// I2C interface ports
+port p_scl = XS1_PORT_1E;
+port p_sda = XS1_PORT_1F;
+
+int main(void) {
+  i2c_master_if i2c[1];
+  static const uint8_t target_device_addr = 0x3c;
+
+  par {
+    i2c_master(i2c, 1, p_scl, p_sda, 100);
+    my_application(i2c[0], target_device_addr);
+  }
+  return 0;
+}
+
+void my_application(client i2c_master_if i2c, uint8_t target_device_addr) {
+    uint8_t data[2];
+    i2c.read(target_device_addr, data, 2, 1);
+    printf("Read data %d, %d from the bus.\n", data[0], data[1]);
+}
+
+// end