joachim/argon40-battery-display
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Minor changes code still working

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This commit is contained in:
Jeff Curless
2025-10-06 21:03:11 -04:00
parent cafc3fbf2b
commit 2b01bb114e
2 changed files with 17 additions and 19 deletions
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17
battery/install
View File

@@ -1,11 +1,14 @@
sudo cp -vf oneUpPower.ko /lib/modules/`uname -r`/kernel/drivers/power/supply/oneUpPower.ko
ls /lib/modules/`uname -r`/kernel/drivers/power/supply/
sudo insmod oneUpPower.ko sudo insmod oneUpPower.ko
ls -l /sys/class/power_supply/BAT0 #ls -l /sys/class/power_supply/BAT0
cat /sys/class/power_supply/BAT0/uevent #cat /sys/class/power_supply/BAT0/uevent
cat /sys/class/power_supply/BAT0/capacity #cat /sys/class/power_supply/BAT0/capacity
cat /sys/class/power_supply/BAT0/status #cat /sys/class/power_supply/BAT0/status
#
ls -l /sys/class/power_supply/AC0 #ls -l /sys/class/power_supply/AC0
cat /sys/class/power_supply/AC0/uevent #cat /sys/class/power_supply/AC0/ueven

19
battery/oneUpPower.c
View File

@@ -225,28 +225,28 @@ static int system_monitor( void *args )
struct i2c_adapter *adapter = NULL; struct i2c_adapter *adapter = NULL;
struct i2c_board_info board_info = {I2C_BOARD_INFO("argon40_battery", BATTERY_ADDR )}; struct i2c_board_info board_info = {I2C_BOARD_INFO("argon40_battery", BATTERY_ADDR )};
pr_info( "Starting system monitor..." ); pr_info( "Starting system monitor...\n" );
// //
// Get an adapter so we can make an i2c client... // Get an adapter so we can make an i2c client...
// //
adapter = i2c_get_adapter( I2C_BUS ); adapter = i2c_get_adapter( I2C_BUS );
if( adapter == NULL ){ if( adapter == NULL ){
pr_err( "Unable to get i2c adapter!" ); pr_err( "Unable to get i2c adapter!\n" );
return -1; return -1;
} }
pr_info( "Created an I2C adapter..." ); pr_info( "Created an I2C adapter...\n" );
// //
// Build the i2c client... // Build the i2c client...
// //
client = i2c_new_client_device( adapter, &board_info ); client = i2c_new_client_device( adapter, &board_info );
if( client == NULL ){ if( client == NULL ){
pr_err( "Unable to create i2c client1!" ); pr_err( "Unable to create i2c client!\n" );
return -1; return -1;
} }
pr_info( "Created an I2C client device..." ); pr_info( "Created an I2C client device...\n" );
// //
// Monitor until we are done... // Monitor until we are done...
@@ -274,7 +274,7 @@ static int system_monitor( void *args )
i2c_put_adapter( adapter ); i2c_put_adapter( adapter );
adapter = NULL; adapter = NULL;
} }
pr_info( "system monitor is stopping..." ); pr_info( "system monitor is stopping...\n" );
return 0; return 0;
} }
@@ -393,6 +393,7 @@ static int __init oneup_power_init(void)
monitor_task = kthread_run( system_monitor, NULL, "argon40_monitor" ); monitor_task = kthread_run( system_monitor, NULL, "argon40_monitor" );
if( monitor_task == NULL ){ if( monitor_task == NULL ){
pr_err( "Could not start system_monitor, terminating.\n" );
goto failed; goto failed;
} }
@@ -441,12 +442,6 @@ static void __exit oneup_power_exit(void)
} }
module_exit(oneup_power_exit); module_exit(oneup_power_exit);
static inline void signal_power_supply_changed(struct power_supply *psy)
{
if (module_initialized)
power_supply_changed(psy);
}
MODULE_DESCRIPTION("Power supply driver for Argon40 1UP"); MODULE_DESCRIPTION("Power supply driver for Argon40 1UP");
MODULE_AUTHOR("Jeff Curless <jeff@thecurlesses.com>"); MODULE_AUTHOR("Jeff Curless <jeff@thecurlesses.com>");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");