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Minor enhancements to axp173 driver

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- Added register names to reduce usage of magic numbers
- Added function to control max charging current, needed for USB
- Corrected comment about axp173, since FiiO M3K has an axp192

Change-Id: I6604ce8d44e5a2ee84061cf042d17ccc4734ac57
This commit is contained in:
Aidan MacDonald 2021-04-21 01:45:34 +01:00
parent f6d3680cb8
commit 088ebb5fac
4 changed files with 120 additions and 32 deletions
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24
firmware/export/axp173.h
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@ -25,6 +25,7 @@
#include <stdbool.h>
#include <stdint.h>
/* ADC channels */
#define ADC_ACIN_VOLTAGE 0
#define ADC_ACIN_CURRENT 1
#define ADC_VBUS_VOLTAGE 2
@ -55,6 +56,25 @@
#define AXP173_INPUT_BATTERY (1 << 2)
#define AXP173_INPUT_EXTERNAL (AXP173_INPUT_AC|AXP173_INPUT_USB)
/* Registers -- common to AXP173 and AXP192 (incomplete listing) */
#define AXP173_REG_POWERSTATUS 0x00
#define AXP173_REG_CHARGESTATUS 0x01
#define AXP173_REG_PWROUTPUTCTRL 0x12
#define AXP173_REG_SHUTDOWNLEDCTRL 0x32
#define AXP173_REG_CHARGECONTROL1 0x33
#define AXP173_REG_DCDCWORKINGMODE 0x80
#define AXP173_REG_ADCENABLE1 0x82
#define AXP173_REG_ADCENABLE2 0x83
#define AXP173_REG_ADCSAMPLERATE 0x84
#define AXP173_REG_COULOMBCOUNTERBASE 0xb0
#define AXP173_REG_COULOMBCOUNTERCTRL 0xb8
/* AXP192-only registers (incomplete listing) */
#define AXP192_REG_GPIO0FUNCTION 0x90
#define AXP192_REG_GPIO1FUNCTION 0x92
#define AXP192_REG_GPIO2FUNCTION 0x93
#define AXP192_REG_GPIOSTATE1 0x94
/* Must be called from power_init() to initialize the driver state */
extern void axp173_init(void);
@ -88,6 +108,10 @@ extern void axp173_cc_read(uint32_t* charge, uint32_t* discharge);
extern void axp173_cc_clear(void);
extern void axp173_cc_enable(bool en);
/* Set/get maximum charging current in milliamps */
extern void axp173_set_charge_current(int maxcurrent);
extern int axp173_get_charge_current(void);
/* Debug menu */
extern bool axp173_debug_menu(void);