Rockbox open source high quality audio player as a Music Player Daemon
mpris
rockbox
mpd
libadwaita
audio
rust
zig
deno
echoplayer: add charger detection and USB current limit setting
Note that USB current limiting is more or less wishful
thinking; only the charge current is limited, but the
system could easily draw more than 100 mA by itself.
Change-Id: I1083b015f0abea5a39a602ca8d7b142d3613b46b
authored by
Aidan MacDonald
and committed by
Solomon Peachy
bc32d43c
cd20bc7d
+21
-5
+1
-3
firmware/export/config/echor1.h
+1
-3
firmware/export/config/echor1.h
···
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#define USB_PRODUCT_ID 0xEC01
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#define USB_DEVBSS_ATTR __attribute__((aligned(32)))
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#define HAVE_USB_POWER
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-
//#define HAVE_USB_CHARGING_ENABLE
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-
//#define HAVE_USB_CHARGING_IN_THREAD
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-
//#define TARGET_USB_CHARGING_DEFAULT USB_CHARGING_FORCE
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+
#define HAVE_USB_CHARGING_ENABLE
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#define HAVE_BOOTLOADER_USB_MODE
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#endif
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+20
-2
firmware/target/arm/stm32/echoplayer/power-echoplayer.c
+20
-2
firmware/target/arm/stm32/echoplayer/power-echoplayer.c
···
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static struct mutex power_1v8_lock;
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static int power_1v8_refcount;
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/* TODO: calibrate battery curve */
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unsigned short battery_level_disksafe = 3500;
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unsigned short battery_level_shutoff = 3400;
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···
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power_off();
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}
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#ifdef HAVE_USB_CHARGING_ENABLE
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void usb_charging_maxcurrent_change(int maxcurrent)
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{
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const int conf_500ma = GPIOF_OUTPUT(0, GPIO_TYPE_PUSH_PULL,
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GPIO_SPEED_LOW, GPIO_PULL_DISABLED);
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const int conf_100ma = GPIOF_INPUT(GPIO_PULL_DISABLED);
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if (maxcurrent > 100)
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gpio_configure_single(GPIO_CHARGER_CHARGING, conf_500ma);
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else
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gpio_configure_single(GPIO_CHARGER_CHARGING, conf_100ma);
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}
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#endif
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+
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unsigned int power_input_status(void)
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{
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return POWER_INPUT_USB_CHARGER;
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if (gpio_get_level(GPIO_USB_VBUS))
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return POWER_INPUT_USB_CHARGER;
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return POWER_INPUT_NONE;
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}
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bool charging_state(void)
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{
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return true;
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return gpio_get_level(GPIO_CHARGER_CHARGING) == 0;
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}
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int _battery_voltage(void)