I2CTester: add address mismatch statistics

Author: maciejbocianski

components/testing/COMPONENT_FPGA_CI_TEST_SHIELD/I2CTester.cpp

@@ -84,6 +84,13 @@ uint8_t I2CTester::num_dev_addr_matches()
     return num_correct;
 }
 
+uint8_t I2CTester::num_dev_addr_mismatches()
+{
+    uint8_t num_incorrect = 0;
+    read(TESTER_I2C_NUMBER_DEV_ADDR_MISMATCHES, &num_incorrect, sizeof(num_incorrect));
+    return num_incorrect;
+}
+
 void I2CTester::set_device_address(uint16_t addr)
 {
     uint16_t data = addr;

components/testing/COMPONENT_FPGA_CI_TEST_SHIELD/I2CTester.h

@@ -96,6 +96,13 @@ class I2CTester: public MbedTester {
      */
     uint8_t num_dev_addr_matches();
 
+    /**
+     * Get the number of times the device address has been sent incorrectly
+     *
+     * @return The number of times the device address has been sent incorrectly
+     */
+    uint8_t num_dev_addr_mismatches();
+
     /**
      * Set the I2C slave device address
      *

components/testing/COMPONENT_FPGA_CI_TEST_SHIELD/fpga_config.h

@@ -194,3 +194,4 @@
 #define TESTER_I2C_NUM_READS                          (0x018 + 0x00105000)
 #define TESTER_I2C_FROM_SLAVE_CHECKSUM                (0x01A + 0x00105000)
 #define TESTER_I2C_FROM_SLAVE_CHECKSUM_SIZE           4
+#define TESTER_I2C_NUMBER_DEV_ADDR_MISMATCHES         (0x01E + 0x00105000)