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Diffstat (limited to 'firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c')
-rw-r--r--firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c b/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c
index 6a649038b7..ec35af9f62 100644
--- a/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c
+++ b/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c
@@ -79,6 +79,8 @@ static const char btn_thread_name[] = "buttons";
static struct event_queue btn_queue;
#endif
+static int current_battery_level = 100;
+
static inline unsigned short be2short(unsigned char* buf)
{
return (unsigned short)((buf[0] << 8) | buf[1]);
@@ -284,8 +286,11 @@ void avr_hid_init(void)
mutex_init(&avr_mtx);
}
-/* defined in powermgmt-sansaconnect.c */
-void set_battery_level(unsigned int level);
+int _battery_level(void)
+{
+ /* Force shutoff when level read by AVR is 4 or lower */
+ return (current_battery_level > 4) ? current_battery_level : 0;
+}
static void avr_hid_get_state(void)
{
@@ -302,7 +307,7 @@ static void avr_hid_get_state(void)
* buf[8] contains some battery/charger related information (unknown)
* buf[9] contains battery level in percents (0-100)
*/
- set_battery_level((unsigned int)buf[9]);
+ current_battery_level = (int)buf[9];
spi_txrx(cmd_empty, NULL, 1); /* request interrupt on button press */