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C/C3 Watch/product/watch_device_simulator.c

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+#include <stdint.h>
+#include <stdio.h>
+
+#include "watch_device_simulator.h"
+#include "watch_i2c.h"
+#include "watch_registers.h"
+
+// leave resource_detector.h as last include!
+#include "resource_detector.h"
+
+uint8_t register_values[5];
+
+static int watch_device_simulator_address_to_array_index(
+            uint8_t address, uint8_t* register_value_index)
+{
+    if (register_value_index == NULL)
+    {
+        return -1;
+    }
+
+    if ((address < ADDRESS_CONFIG) || (address > ADDRESS_DATE_HIGH))
+    {
+        return -1;
+    }
+
+    *register_value_index = address - ADDRESS_CONFIG;
+
+    return 0;
+}
+
+int watch_device_simulator_write_byte(uint8_t address, uint8_t value)
+{
+    uint8_t index = 0;
+    if (watch_device_simulator_address_to_array_index(address, &index) != 0)
+    {
+        return -1;
+    }
+
+    register_values[index] = value;
+
+    return 0;
+}
+
+int watch_device_simulator_read_byte(uint8_t address, uint8_t* value)
+{
+    uint8_t index = 0;
+    if (watch_device_simulator_address_to_array_index(address, &index) != 0)
+    {
+        return -1;
+    }
+
+    *value = register_values[index];
+
+    return 0;
+}
+
+static void watch_device_simulator_add_one_second(
+            uint8_t* hours, uint8_t* minutes, uint8_t* seconds)
+{
+    *seconds += 1;
+
+    if (*seconds == 60)
+    {
+        *seconds = 0;
+        *minutes += 1;
+        if (*minutes == 60)
+        {
+            *minutes = 0;
+            *hours += 1;
+            if (*hours == 12)
+            {
+                *hours = 0;
+            }
+        }
+    }
+}
+
+void watch_device_simulator_print_time(
+            uint8_t hours, uint8_t minutes, uint8_t seconds)
+{
+    printf("Time: %02d:%02d:%02d\n", hours, minutes, seconds);
+}
+
+int watch_device_simulator_increase_time(uint8_t number_of_seconds)
+{
+    uint8_t time_bits_low, time_bits_high = 0;
+    watch_device_simulator_read_byte(ADDRESS_TIME_LOW, &time_bits_low);
+    watch_device_simulator_read_byte(ADDRESS_TIME_HIGH, &time_bits_high);
+
+    uint8_t seconds = 0, minutes = 0, hours = 0;
+    watch_registers_get_time(
+                time_bits_low, time_bits_high, &hours, &minutes, &seconds);
+
+    for (uint8_t i = 0; i < number_of_seconds; i++)
+    {
+        watch_device_simulator_add_one_second(&hours, &minutes, &seconds);
+    }
+
+    watch_registers_set_time_hours(&time_bits_low, &time_bits_high, hours);
+    watch_registers_set_time_minutes(&time_bits_low, &time_bits_high, minutes);
+    watch_registers_set_time_seconds(&time_bits_low, &time_bits_high, seconds);
+
+    watch_device_simulator_write_byte(ADDRESS_TIME_LOW, time_bits_low);
+    watch_device_simulator_write_byte(ADDRESS_TIME_HIGH, time_bits_high);
+
+    return 0;
+}