rashmi v
created separate function for hex to char
Dependencies: SDFileSystem ds3231 eeprom_Nikita mbed testUniGraphic_150217
Fork of
SS_SensePOC2P0_11Dec2017_USERPID
by 
rashmi v
Diff: battery.cpp
- Revision:
- 45:067673dae242
- Parent:
- 37:92fcbf22bf91
- Child:
- 57:e82d4bd6b2c0
--- a/battery.cpp Tue Sep 12 04:16:41 2017 +0000
+++ b/battery.cpp Tue Sep 12 10:08:04 2017 +0000
@@ -1,34 +1,87 @@
#include "mbed.h"
#include "battery.h"
#include "display_modules.h"
-AnalogIn A(PTB1);
+
+#define BATTERY_PIN PTB1 // Battery Pin
+#define BATTERY_MAX_OPERATING_VOLTAGE (float)3.3 // Battery Max Operating Voltage
+#define BATTERY_INTERMEDIATE_HIGH_VOLTAGE (float)3.64 // Battery Full Voltage
+#define BATTERY_MEDIUM_VOLTAGE (float)3.57 // battery Medium Voltage
+#define BATTERY_LOW_VOLTAGE (float)3.53 // Battery LOW Voltage
+
+#define BATTERY_SCREEN_CHARGE_CONDITION 0
+#define BATTERY_LOW_CHARGE_CONDITION 1
+#define BATTERY_CRITICALLY_LOW_CHARGE_CONDITION 2
+#define BATTERY_SCREEN_NO_CHARGE_CONDITION 3
+
+static uint8_t battery_voltage_condition = 0;
+
+
+AnalogIn A(BATTERY_PIN);
+Serial battery(USBTX, USBRX);
+
+/* Function : To Monitor Battery Voltage
+ returns : void
-uint8_t battery_voltage() {
-float b_voltage;
-uint8_t battery_condition=0;
- b_voltage = A.read_u16()*(3.3/65535)*2;
- wait(0.001f);
- if (b_voltage>3.64)
- {
- battery_screen_charge();
- battery_condition=0;
- }
- else if (3.605>b_voltage>3.57) ///15% to 10%
- {
- battery_low_charge();
- battery_condition=1;
- }
- else if (3.57>b_voltage>3.535) /// 10% to 5%
- {
- battery_critically_low_charge();
- battery_condition=2;
- }
- else if (3.535>b_voltage)
- {
- battery_screen_nocharge();
- battery_condition=3;
- }
-
+*/
+
+ //uint8_t battery_condition=0;
+void battery_monitor()
+{
+
+ float b_voltage;
+ b_voltage = A.read_u16()*(BATTERY_MAX_OPERATING_VOLTAGE/65535)*2;
+ wait(0.001f);
+ battery.printf("voltage=%f",b_voltage);
+
+ if (b_voltage >= BATTERY_INTERMEDIATE_HIGH_VOLTAGE )
+ battery_voltage_condition = BATTERY_SCREEN_CHARGE_CONDITION;
+
+ else if ((b_voltage < BATTERY_INTERMEDIATE_HIGH_VOLTAGE ) && (b_voltage > BATTERY_MEDIUM_VOLTAGE)) // 15% to 10% Battery voltage
+ battery_voltage_condition = BATTERY_LOW_CHARGE_CONDITION ;
+
+ else if ((b_voltage < BATTERY_MEDIUM_VOLTAGE) && (b_voltage > BATTERY_LOW_VOLTAGE)) // 10% to 5% battery volage
+ battery_voltage_condition = BATTERY_CRITICALLY_LOW_CHARGE_CONDITION;
+
+ else if (b_voltage < BATTERY_LOW_VOLTAGE)
+ battery_voltage_condition = BATTERY_SCREEN_NO_CHARGE_CONDITION ;
+
+
+
+
+}
+
+/* Function: To Display Battery Status
+ returns : void
+*/
+
+void battery_status_display()
+{
+ if (battery_voltage_condition == BATTERY_SCREEN_CHARGE_CONDITION)
+ battery_screen_charge();
+
+ else if (battery_voltage_condition == BATTERY_LOW_CHARGE_CONDITION)
+ battery_low_charge();
-return battery_condition;
+ else if (battery_voltage_condition == BATTERY_CRITICALLY_LOW_CHARGE_CONDITION)
+ battery_critically_low_charge();
+
+ else if (battery_voltage_condition == BATTERY_SCREEN_NO_CHARGE_CONDITION) {
+ do
+ {
+ battery_screen_nocharge();
+ wait_ms(500);
+ } while(battery_voltage_condition == BATTERY_SCREEN_NO_CHARGE_CONDITION );
+
+ }
+}
+
+/* Function : To get battery status depending battery voltage
+ returns : battery_voltage_condition
+
+*/
+
+uint8_t get_battery_status()
+{
+
+ return battery_voltage_condition;
}
\ No newline at end of file