Initial commit

1 files changed, 198 insertions, 0 deletions

diff --git a/FanController/fan_controller/config.c b/FanController/fan_controller/config.c
new file mode 100644
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--- /dev/null
+++ b/FanController/fan_controller/config.c
@@ -0,0 +1,198 @@
+/* Autor: Ján Sučan <jan@jansucan.sk>
+ * 
+ * Zdrojove kody, ich casti a subory z nich vzniknute priamo alebo nepriamo
+ * (objektove subory, Intel Hex, ...) prosim nepouzivajte komercne, ani ako
+ * sucast komercnych diel. Vsetky ostatne pripady pouzitia su dovolene.
+ *
+ * Please don't use the source codes, their parts and files created from them
+ * directly or indirectly, (object files, Intel Hex files, ...) for commercial
+ * purposes, not even as a part of commercial products. All other use cases
+ * are allowed.
+ */
+
+#include <fan_controller/config.h>
+#include <fan_controller/hw/eeprom.h>
+
+/** Hodnota EEPROM ktora oznacuje neinizializovany bajt. */
+#define CONFIG_UNINITIALIZED_VALUE   0xff
+
+/** Hodnota EEPROM ktora oznacuje inizializovany bajt. */
+#define CONFIG_INITIALIZED_VALUE   0x00
+
+/** Adresa v EEPROM, kam sa ulozi priznak inicializacie hodnoty pre mod zobrazenia otacok. */
+#define CONFIG_ADDR_DISP_TYPE_INIT   0x00
+
+/** Adresa v EEPROM, kam sa ulozi nastaveny mod zobrazenia otacok. */
+#define CONFIG_ADDR_DISP_TYPE_VALUE  0x01
+
+/** Adresa v EEPROM, kam sa ulozi priznak inicializacie sirky pulzu ventilatora na max. otackach. */
+#define CONFIG_ADDR_FAN_MAX_INIT     0x10
+
+/** Adresa v EEPROM, kam sa ulozi sirka pulzu ventilatora na max. otackach. */
+#define CONFIG_ADDR_FAN_MAX_VALUE    0x11
+
+/** Adresa v EEPROM, kam sa ulozi priznak inicializacie sirky pulzu ventilatora na min. otackach. */
+#define CONFIG_ADDR_FAN_MIN_INIT     0x20
+
+/** Adresa v EEPROM, kam sa ulozi sirka pulzu ventilatora na min. otackach. */
+#define CONFIG_ADDR_FAN_MIN_VALUE    0x21
+
+/** Predvoleny mod zobrazenia otacok, ak este nebol ziadny zvoleny. */
+#define DISPLAY_TYPE_DEFAULT  DISPLAY_TYPE_SET
+
+static bool config_is_initialized(uint16_t address);
+static void config_save(uint16_t address_init, uint16_t address_data, const uint8_t * const data, uint16_t data_size);
+
+/**
+ * @brief Zistenie, ci je hodnota v EEPROM inicializovana.
+ *
+ * @param address Adresa bajtu v EEPROM.
+ * @retval true Hodnota je inicializovana.
+ * @retval false Hodnota nie je inicializovana.
+ */
+bool
+config_is_initialized(uint16_t address)
+{
+	uint8_t b;
+	
+	eeprom_read(address, &b, sizeof(b));	
+	
+	return (b != CONFIG_UNINITIALIZED_VALUE);
+}
+
+/**
+ * @brief Ulozenie dat do EEPROM a nastavenie priznakoveho bajtu inicializacie dat.
+ *
+ * @param address_init Adresa priznakoveho bajtu inicializacie dat.
+ * @param address_data Adresa kam budu zapisane data.
+ * @param data Ukazovatel na buffer dat pre zapis.
+ * @param data_size Pocet bajtov pre zapis.
+ */
+void
+config_save(uint16_t address_init, uint16_t address_data, const uint8_t * const data, uint16_t data_size)
+{
+	// Zapise sa hodnota
+	eeprom_write(address_data, data, data_size);
+	// Zapise sa priznak inicializacie hodnoty
+	uint8_t i = CONFIG_INITIALIZED_VALUE;
+	eeprom_write(address_init, &i, sizeof(i));	
+}
+
+/**
+ * @brief Zistenie, ci je type zobrazenia ulozeny v EEPROM inicializovany.
+ *
+ * @retval true Typ je inicializovany.
+ * @retval false Typ nie je inicializovany.
+ */
+bool
+config_disp_type_is_initialized(void)
+{
+	return config_is_initialized(CONFIG_ADDR_DISP_TYPE_INIT);
+}
+
+/**
+ * @brief Ulozenie typu zobrazenie do EEPROM.
+ *
+ * @param disp_type Typ zobrazenia.
+ */
+void
+config_disp_type_save(uint8_t disp_type)
+{
+	config_save(CONFIG_ADDR_DISP_TYPE_INIT, CONFIG_ADDR_DISP_TYPE_VALUE, &disp_type, sizeof(disp_type));
+}
+
+/**
+ * @brief Nacitanie typu zobrazenia z EEPROM.
+ *
+ * Ak este nebolo ziadne zobrazenie ulozene, ulozi sa predvolena hodnota a ta sa aj vrati volajucemu.
+ *
+ * @return Typ zobrazenia.
+ */
+uint8_t
+config_disp_type_load(void)
+{
+	uint8_t display_type = DISPLAY_TYPE_NONE;
+		
+	if (config_disp_type_is_initialized()) {
+		eeprom_read(CONFIG_ADDR_DISP_TYPE_VALUE, &display_type, sizeof(display_type));
+	}
+	
+	if (display_type >= DISPLAY_TYPE_COUNT) {
+		display_type = DISPLAY_TYPE_DEFAULT;
+		config_disp_type_save(display_type);
+	}
+	
+	return display_type;
+}
+
+/**
+ * @brief Zisti, ci je hodnota sirky pulzu na max. otackach inicializovana v EEPROM.
+ *
+ * @retval true Hodnota je inicializovana.
+ * @retval false Hodnota nie je inicializovana. 
+ */
+bool
+config_is_fan_max_rpm_pulse_time_init(void)
+{
+	return config_is_initialized(CONFIG_ADDR_FAN_MAX_INIT);	
+}
+
+/**
+ * @brief Ulozenie sirky pulzu na max. otackach do EEPROM.
+ *
+ * @param pulse_time Sirka pulzu.
+ */
+void
+config_fan_max_rpm_pulse_time_save(uint16_t pulse_time)
+{
+	config_save(CONFIG_ADDR_FAN_MAX_INIT, CONFIG_ADDR_FAN_MAX_VALUE, (uint8_t *) &pulse_time, sizeof(pulse_time));
+}
+
+/**
+ * @brief Nacitanie sirky pulzu na max. otackach z EEPROM.
+ *
+ * @return Sirka pulzu.
+ */
+uint16_t
+config_fan_max_rpm_pulse_time_load(void)
+{
+	uint16_t w;
+	eeprom_read(CONFIG_ADDR_FAN_MAX_VALUE, (uint8_t *) &w, sizeof(w));
+	return w;
+}
+
+/**
+ * @brief Zisti, ci je hodnota sirky pulzu na min. otackach inicializovana v EEPROM.
+ *
+ * @retval true Hodnota je inicializovana.
+ * @retval false Hodnota nie je inicializovana. 
+ */
+bool
+config_is_fan_min_rpm_pulse_time_init(void)
+{
+	return config_is_initialized(CONFIG_ADDR_FAN_MIN_INIT);
+}
+
+/**
+ * @brief Ulozenie sirky pulzu na min. otackach do EEPROM.
+ *
+ * @param pulse_time Sirka pulzu.
+ */
+void
+config_fan_min_rpm_pulse_time_save(uint16_t pulse_time)
+{
+	config_save(CONFIG_ADDR_FAN_MIN_INIT, CONFIG_ADDR_FAN_MIN_VALUE, (uint8_t *) &pulse_time, sizeof(pulse_time));
+}
+
+/**
+ * @brief Nacitanie sirky pulzu na min. otackach z EEPROM.
+ *
+ * @return Sirka pulzu.
+ */
+uint16_t
+config_fan_min_rpm_pulse_time_load(void)
+{
+	uint16_t w;
+	eeprom_read(CONFIG_ADDR_FAN_MIN_VALUE, (uint8_t *) &w, sizeof(w));
+	return w;
+}