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Fixes to battery charger and fuel gauge ICs
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c2e8d51115
commit
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6 changed files with 26 additions and 0 deletions
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@ -31,6 +31,7 @@ int bq24193_get_property(enum BQ24193_reg_prop prop, int *value)
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case BQ24193_InputVoltageLimit: // Input voltage limit (mV).
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data = i2c_recv_byte(I2C_1, BQ24193_I2C_ADDR, BQ24193_InputSource);
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data = (data & BQ24193_INCONFIG_VINDPM_MASK) >> 3;
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*value = 0;
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*value += ((data >> 0) & 1) ? 80 : 0;
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*value += ((data >> 1) & 1) ? 160 : 0;
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*value += ((data >> 2) & 1) ? 320 : 0;
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@ -77,6 +78,7 @@ int bq24193_get_property(enum BQ24193_reg_prop prop, int *value)
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case BQ24193_FastChargeCurrentLimit: // Fast charge current limit (mA).
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data = i2c_recv_byte(I2C_1, BQ24193_I2C_ADDR, BQ24193_ChrgCurr);
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data = (data & BQ24193_CHRGCURR_ICHG_MASK) >> 2;
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*value = 0;
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*value += ((data >> 0) & 1) ? 64 : 0;
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*value += ((data >> 1) & 1) ? 128 : 0;
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*value += ((data >> 2) & 1) ? 256 : 0;
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@ -92,6 +94,7 @@ int bq24193_get_property(enum BQ24193_reg_prop prop, int *value)
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case BQ24193_ChargeVoltageLimit: // Charge voltage limit (mV).
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data = i2c_recv_byte(I2C_1, BQ24193_I2C_ADDR, BQ24193_ChrgVolt);
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data = (data & BQ24193_CHRGVOLT_VREG) >> 2;
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*value = 0;
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*value += ((data >> 0) & 1) ? 16 : 0;
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*value += ((data >> 1) & 1) ? 32 : 0;
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*value += ((data >> 2) & 1) ? 64 : 0;
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@ -46,6 +46,12 @@
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#pragma GCC push_options
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#pragma GCC optimize ("Os")
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static u32 battery_voltage = 0;
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u32 max17050_get_cached_batt_volt()
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{
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return battery_voltage;
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}
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int max17050_get_property(enum MAX17050_reg reg, int *value)
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{
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u16 data;
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@ -74,6 +80,7 @@ int max17050_get_property(enum MAX17050_reg reg, int *value)
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case MAX17050_VCELL: // Voltage now.
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i2c_recv_buf_small((u8 *)&data, 2, I2C_1, MAXIM17050_I2C_ADDR, MAX17050_VCELL);
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*value = data * 625 / 8 / 1000;
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battery_voltage = *value;
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break;
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case MAX17050_AvgVCELL: // Voltage avg.
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i2c_recv_buf_small((u8 *)&data, 2, I2C_1, MAXIM17050_I2C_ADDR, MAX17050_AvgVCELL);
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@ -24,6 +24,8 @@
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#ifndef __MAX17050_H_
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#define __MAX17050_H_
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#include "../utils/types.h"
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#define MAX17050_STATUS_BattAbsent (1 << 3)
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#define MAX17050_DEFAULT_SNS_RESISTOR 10000
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@ -128,5 +130,6 @@ enum MAX17050_reg {
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int max17050_get_property(enum MAX17050_reg reg, int *value);
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int max17050_fix_configuration();
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u32 max17050_get_cached_batt_volt();
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#endif /* __MAX17050_H_ */
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@ -28,6 +28,7 @@ int bq24193_get_property(enum BQ24193_reg_prop prop, int *value)
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case BQ24193_InputVoltageLimit: // Input voltage limit (mV).
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data = i2c_recv_byte(I2C_1, BQ24193_I2C_ADDR, BQ24193_InputSource);
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data = (data & BQ24193_INCONFIG_VINDPM_MASK) >> 3;
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*value = 0;
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*value += ((data >> 0) & 1) ? 80 : 0;
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*value += ((data >> 1) & 1) ? 160 : 0;
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*value += ((data >> 2) & 1) ? 320 : 0;
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@ -74,6 +75,7 @@ int bq24193_get_property(enum BQ24193_reg_prop prop, int *value)
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case BQ24193_FastChargeCurrentLimit: // Fast charge current limit (mA).
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data = i2c_recv_byte(I2C_1, BQ24193_I2C_ADDR, BQ24193_ChrgCurr);
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data = (data & BQ24193_CHRGCURR_ICHG_MASK) >> 2;
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*value = 0;
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*value += ((data >> 0) & 1) ? 64 : 0;
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*value += ((data >> 1) & 1) ? 128 : 0;
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*value += ((data >> 2) & 1) ? 256 : 0;
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@ -89,6 +91,7 @@ int bq24193_get_property(enum BQ24193_reg_prop prop, int *value)
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case BQ24193_ChargeVoltageLimit: // Charge voltage limit (mV).
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data = i2c_recv_byte(I2C_1, BQ24193_I2C_ADDR, BQ24193_ChrgVolt);
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data = (data & BQ24193_CHRGVOLT_VREG) >> 2;
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*value = 0;
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*value += ((data >> 0) & 1) ? 16 : 0;
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*value += ((data >> 1) & 1) ? 32 : 0;
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*value += ((data >> 2) & 1) ? 64 : 0;
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@ -43,6 +43,12 @@
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#define MAX17050_VMAX_TOLERANCE 50 /* 50 mV */
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static u32 battery_voltage = 0;
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u32 max17050_get_cached_batt_volt()
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{
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return battery_voltage;
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}
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int max17050_get_property(enum MAX17050_reg reg, int *value)
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{
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u16 data;
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@ -71,6 +77,7 @@ int max17050_get_property(enum MAX17050_reg reg, int *value)
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case MAX17050_VCELL: // Voltage now.
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i2c_recv_buf_small((u8 *)&data, 2, I2C_1, MAXIM17050_I2C_ADDR, MAX17050_VCELL);
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*value = data * 625 / 8 / 1000;
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battery_voltage = *value;
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break;
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case MAX17050_AvgVCELL: // Voltage avg.
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i2c_recv_buf_small((u8 *)&data, 2, I2C_1, MAXIM17050_I2C_ADDR, MAX17050_AvgVCELL);
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@ -24,6 +24,8 @@
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#ifndef __MAX17050_H_
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#define __MAX17050_H_
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#include "../utils/types.h"
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#define MAX17050_STATUS_BattAbsent (1 << 3)
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#define MAX17050_DEFAULT_SNS_RESISTOR 10000
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@ -128,5 +130,6 @@ enum MAX17050_reg {
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int max17050_get_property(enum MAX17050_reg reg, int *value);
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int max17050_fix_configuration();
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u32 max17050_get_cached_batt_volt();
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#endif /* __MAX17050_H_ */
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