f05ffddbde
* Power: add portability layer, port to F3. * F3: bq25896 driver stab * GUI: new primary and secondary fonts * F3: bq25896 register map, basic functions * F3: move bq27220 command descritpion to separate file. Code format. * Power: OTG enable/disable * Power: choose more correct profile * F3: pet bq25896 watchdog sometimes
54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
#include <bq27220.h>
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#include <bq27220_reg.h>
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#include <i2c.h>
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#include <stdbool.h>
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uint16_t bq27220_read_word(uint8_t address) {
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uint8_t data[2] = { address };
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if (HAL_I2C_Master_Transmit(&POWER_I2C, BQ27220_ADDRESS, data, 1, 2000) != HAL_OK) {
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return 0;
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}
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if (HAL_I2C_Master_Receive(&POWER_I2C, BQ27220_ADDRESS, data, 2, 2000) != HAL_OK) {
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return 0;
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}
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return *(uint16_t*)data;
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}
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bool bq27220_control(uint16_t control) {
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uint8_t data[3] = { CommandControl };
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data[1] = (control>>8) & 0xFF;
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data[2] = control & 0xFF;
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if (HAL_I2C_Master_Transmit(&POWER_I2C, BQ27220_ADDRESS, data, 3, 2000) != HAL_OK) {
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return false;
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}
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return true;
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}
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void bq27220_init() {
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bq27220_control(Control_ENTER_CFG_UPDATE);
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bq27220_control(Control_SET_PROFILE_2);
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bq27220_control(Control_EXIT_CFG_UPDATE);
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}
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uint16_t bq27220_get_voltage() {
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return bq27220_read_word(CommandVoltage);
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}
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int16_t bq27220_get_current() {
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return (int16_t)bq27220_read_word(CommandCurrent);
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}
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uint16_t bq27220_get_full_charge_capacity() {
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return bq27220_read_word(CommandFullChargeCapacity);
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}
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uint16_t bq27220_get_remaining_capacity() {
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return bq27220_read_word(CommandRemainingCapacity);
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}
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uint16_t bq27220_get_state_of_charge() {
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return bq27220_read_word(CommandStateOfCharge);
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}
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