rashmi v / Mbed 2 deprecated SS_SensePOC2P0_12Dec2017_USERPID

created separate function for hex to char

Dependencies:   SDFileSystem ds3231 eeprom_Nikita mbed testUniGraphic_150217

Fork of SS_SensePOC2P0_11Dec2017_USERPID by rashmi v

battery.cpp@76:611154b3b597, 2017-12-12 (annotated)

Committer:
rashmivenkataramaiah
Date:
Tue Dec 12 11:13:10 2017 +0000
Revision:
76:611154b3b597
Parent:
72:1f990fa8c516 
made separate function for hex to char

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nikitateggi 22:ffa88619551d 1 #include "mbed.h"
nikitateggi 22:ffa88619551d 2 #include "battery.h"
rashmivenkataramaiah 72:1f990fa8c516 3 //#include "display_modules.h"
nikitateggi 45:067673dae242 4
nikitateggi 45:067673dae242 5 #define BATTERY_PIN PTB1 // Battery Pin
nikitateggi 45:067673dae242 6 #define BATTERY_MAX_OPERATING_VOLTAGE (float)3.3 // Battery Max Operating Voltage
nikitateggi 45:067673dae242 7 #define BATTERY_INTERMEDIATE_HIGH_VOLTAGE (float)3.64 // Battery Full Voltage
nikitateggi 45:067673dae242 8 #define BATTERY_MEDIUM_VOLTAGE (float)3.57 // battery Medium Voltage
nikitateggi 45:067673dae242 9 #define BATTERY_LOW_VOLTAGE (float)3.53 // Battery LOW Voltage
nikitateggi 45:067673dae242 10
rashmivenkataramaiah 57:e82d4bd6b2c0 11 /*
nikitateggi 45:067673dae242 12 #define BATTERY_SCREEN_CHARGE_CONDITION 0
nikitateggi 45:067673dae242 13 #define BATTERY_LOW_CHARGE_CONDITION 1
nikitateggi 45:067673dae242 14 #define BATTERY_CRITICALLY_LOW_CHARGE_CONDITION 2
nikitateggi 45:067673dae242 15 #define BATTERY_SCREEN_NO_CHARGE_CONDITION 3
rashmivenkataramaiah 57:e82d4bd6b2c0 16 */
nikitateggi 45:067673dae242 17
rashmivenkataramaiah 57:e82d4bd6b2c0 18 static uint8_t battery_voltage_condition = BATTERY_SCREEN_CHARGE_CONDITION;
nikitateggi 45:067673dae242 19
nikitateggi 45:067673dae242 20
nikitateggi 45:067673dae242 21 AnalogIn A(BATTERY_PIN);
nikitateggi 45:067673dae242 22 Serial battery(USBTX, USBRX);
nikitateggi 45:067673dae242 23
nikitateggi 45:067673dae242 24 /* Function : To Monitor Battery Voltage
nikitateggi 45:067673dae242 25 returns : void
nikitateggi 22:ffa88619551d 26
nikitateggi 45:067673dae242 27 */
nikitateggi 45:067673dae242 28
nikitateggi 45:067673dae242 29 //uint8_t battery_condition=0;
nikitateggi 45:067673dae242 30 void battery_monitor()
nikitateggi 45:067673dae242 31 {
nikitateggi 45:067673dae242 32
nikitateggi 45:067673dae242 33 float b_voltage;
nikitateggi 45:067673dae242 34 b_voltage = A.read_u16()*(BATTERY_MAX_OPERATING_VOLTAGE/65535)*2;
nikitateggi 45:067673dae242 35 wait(0.001f);
nikitateggi 45:067673dae242 36 battery.printf("voltage=%f",b_voltage);
nikitateggi 45:067673dae242 37
nikitateggi 45:067673dae242 38 if (b_voltage >= BATTERY_INTERMEDIATE_HIGH_VOLTAGE )
nikitateggi 45:067673dae242 39 battery_voltage_condition = BATTERY_SCREEN_CHARGE_CONDITION;
nikitateggi 45:067673dae242 40
nikitateggi 45:067673dae242 41 else if ((b_voltage < BATTERY_INTERMEDIATE_HIGH_VOLTAGE ) && (b_voltage > BATTERY_MEDIUM_VOLTAGE)) // 15% to 10% Battery voltage
nikitateggi 45:067673dae242 42 battery_voltage_condition = BATTERY_LOW_CHARGE_CONDITION ;
nikitateggi 45:067673dae242 43
nikitateggi 45:067673dae242 44 else if ((b_voltage < BATTERY_MEDIUM_VOLTAGE) && (b_voltage > BATTERY_LOW_VOLTAGE)) // 10% to 5% battery volage
nikitateggi 45:067673dae242 45 battery_voltage_condition = BATTERY_CRITICALLY_LOW_CHARGE_CONDITION;
nikitateggi 45:067673dae242 46
nikitateggi 45:067673dae242 47 else if (b_voltage < BATTERY_LOW_VOLTAGE)
nikitateggi 45:067673dae242 48 battery_voltage_condition = BATTERY_SCREEN_NO_CHARGE_CONDITION ;
rashmivenkataramaiah 72:1f990fa8c516 49
nikitateggi 45:067673dae242 50 }
nikitateggi 45:067673dae242 51
nikitateggi 45:067673dae242 52 /* Function : To get battery status depending battery voltage
nikitateggi 45:067673dae242 53 returns : battery_voltage_condition
nikitateggi 45:067673dae242 54
nikitateggi 45:067673dae242 55 */
nikitateggi 45:067673dae242 56
nikitateggi 45:067673dae242 57 uint8_t get_battery_status()
nikitateggi 45:067673dae242 58 {
nikitateggi 45:067673dae242 59
nikitateggi 45:067673dae242 60 return battery_voltage_condition;
nikitateggi 22:ffa88619551d 61 }