bigfuxes: unwanted RTC initialization each start, bug in PT reference resistor index.... specific powersave changes, not enabling vbat_c from pwr_save, it will be handled by max31865 driver

doc/eclipse_debugger_launch/ParaMETEO-STM32L476RG.launch

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <launchConfiguration type="ilg.gnumcueclipse.debug.gdbjtag.openocd.launchConfigurationType">
-    <stringAttribute key="ilg.gnumcueclipse.debug.gdbjtag.PERIPHERALS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;peripherals&gt;&#10;    &lt;peripheral name=&quot;GPIOA&quot;/&gt;&#10;    &lt;peripheral name=&quot;GPIOB&quot;/&gt;&#10;&lt;/peripherals&gt;&#10;"/>
+    <stringAttribute key="ilg.gnumcueclipse.debug.gdbjtag.PERIPHERALS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;peripherals&gt;&#10;    &lt;peripheral name=&quot;GPIOA&quot;/&gt;&#10;    &lt;peripheral name=&quot;GPIOB&quot;/&gt;&#10;    &lt;peripheral name=&quot;RTC&quot;/&gt;&#10;&lt;/peripherals&gt;&#10;"/>
     <booleanAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.doContinue" value="true"/>
     <booleanAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.doDebugInRam" value="false"/>
     <booleanAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.doFirstReset" value="true"/>

src/pwr_save.c

@@ -299,7 +299,7 @@ int pwr_save_switch_mode_to_c0(void) {
 	}
 
 	// turn ON +5V_S
-	io___cntrl_vbat_s_enable();
+	//io___cntrl_vbat_s_enable();	//TODO: Tatry specific!!!
 
 	// turn ON +5V_R and VBATT_SW_R
 	io___cntrl_vbat_r_enable();
@@ -334,7 +334,7 @@ int pwr_save_switch_mode_to_c1(void) {
 	}
 
 	// turn ON +5V_S (and internal VHF radio module in HW-RevB)
-	io___cntrl_vbat_s_enable();
+	//io___cntrl_vbat_s_enable();	// TODO: tatry specific!!!
 
 	// turn ON +5V_R and VBATT_SW_R
 	io___cntrl_vbat_r_enable();
@@ -435,7 +435,7 @@ int pwr_save_switch_mode_to_m4(void) {
 	}
 
 	// turn ON +5V_S (and internal VHF radio module in HW-RevB)
-	io___cntrl_vbat_s_enable();
+	//io___cntrl_vbat_s_enable();	// TODO: tatry specific!!
 
 	// turn OFF +5V_R and VBATT_SW_R
 	io___cntrl_vbat_r_disable();

system/include/drivers/max31865.h

@@ -30,7 +30,7 @@ extern uint8_t max31865_merasurements_error_counter;
 extern int_average_t max31865_average;
 extern uint8_t max31865_ok;
 
-void max31865_init(uint8_t rdt_type, uint8_t reference_resistor);
+void max31865_init(uint8_t rdt_type, uint8_t reference_resistor_index);
 void max31865_init_average(void);
 void max31865_pool(void);
 int32_t max31865_get_pt100_result();

system/src/cmsis/stm32l4xx/system_stm32l4xx.c

@@ -457,10 +457,10 @@ void system_clock_start_rtc_l4(void) {
 	}
 
 	// set date
-	RTC->DR = 0x00229110;
+	RTC->DR = 0x00229229;
 
 	// set time
-	RTC->TR = 0x00191311;
+	RTC->TR = 0x00170001;		// UTC
 
 	// exit RTC set mode
 	RTC->ISR &= (0xFFFFFFFF ^ RTC_ISR_INIT);
@@ -529,11 +529,11 @@ int system_clock_configure_rtc_l4(void) {
 				break;
 			}
 		}
-	}
 
-	if (SystemRtcHasFailed == 0) {
+		if (SystemRtcHasFailed == 0) {
-		// starting and configuring the RTC itself
+			// starting and configuring the RTC itself
-		system_clock_start_rtc_l4();
+			system_clock_start_rtc_l4();
+		}
 	}
 
 	// disable access do backup domain

system/src/drivers/max31865.c

@@ -21,6 +21,9 @@
 
 int32_t test;
 
+//tary specific
+#include "io.h"
+
 typedef enum max31865_pool_state_t {
 	MAX_UNINITIALIZED,
 	MAX_IDLE,
@@ -76,6 +79,11 @@ max31865_pool_state_t max31865_current_state = MAX_UNINITIALIZED;
  */
 float max31865_rref = 0;
 
+/**
+ * And it's index from the table
+ */
+uint8_t max31865_rref_index = 0;
+
 /**
  * This variable is incremented from 0 up to 9 to pause measurement
  * state machine into MAX_SHUTDOWN state. When it reach 9 measurement
@@ -220,7 +228,7 @@ static void max31865_send_config_register(void) {
 	}
 }
 
-void max31865_init(uint8_t rdt_type, uint8_t reference_resistor) {
+void max31865_init(uint8_t rdt_type, uint8_t reference_resistor_index) {
 
 	uint8_t * rx_data;
 
@@ -236,15 +244,17 @@ void max31865_init(uint8_t rdt_type, uint8_t reference_resistor) {
 		return;
 	}
 
-	if (reference_resistor > 31) {
+	if (reference_resistor_index > 31) {
 		max31865_current_state = MAX_UNINITIALIZED;
 
 		return;
 	}
 	else {
-		max31865_rref = max31865_rref_lookup_table[reference_resistor];
+		max31865_rref = max31865_rref_lookup_table[reference_resistor_index];
 	}
 
+	max31865_rref_index = reference_resistor_index;
+
 	// set filter to 50Hz
 	max31865_filter_select = 1;
 
@@ -288,10 +298,10 @@ void max31865_pool(void) {
 		case MAX_IDLE:
 			// MAX31865 is powered up but not initialized
 			if (max31865_rdt_sensor_type == 1) {
-				max31865_init(MAX_3WIRE, max31865_rref);
+				max31865_init(MAX_3WIRE, max31865_rref_index);
 			}
 			else {
-				max31865_init(MAX_4WIRE, max31865_rref);
+				max31865_init(MAX_4WIRE, max31865_rref_index);
 			}
 
 			if (max31865_ok == 1) {
@@ -386,18 +396,22 @@ void max31865_pool(void) {
 				max31865_vbias = 0;
 
 				// this function may change 'max31865_current_state' internally due to errors
-				max31865_send_config_register();
+				//max31865_send_config_register();
 
 				max31865_shutdown_ticks = 0;
 			}
 
+			// tatry specific
+			io___cntrl_vbat_s_disable();
 
 			break;
 		case MAX_SHUTDOWN:
 			// MAX31865 is powered up and initialized but PT bias is disabled
 			// and no measurement is ongoing
 			if (max31865_shutdown_ticks++ > MAX31865_INTERVAL) {
-				max31865_current_state = MAX_INITIALIZED;
+				io___cntrl_vbat_s_enable();
+
+				max31865_current_state = MAX_IDLE;	//
 
 				max31865_shutdown_ticks = 0;
 			}