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-rw-r--r--firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c b/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c
index 056ba7b56a..a72faea7be 100644
--- a/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c
+++ b/firmware/target/arm/tms320dm320/sansa-connect/avr-sansaconnect.c
@@ -52,8 +52,8 @@
#define dbgprintf(...)
#endif
-#define AVR_DELAY_US 100
-#define AVR_MAX_RETRIES 3
+#define AVR_DELAY_US 200
+#define AVR_MAX_RETRIES 10
#define CMD_SYNC 0xAA
#define CMD_CLOSE 0xCC
@@ -428,17 +428,29 @@ static bool avr_run_command(uint8_t opcode, uint8_t *data, size_t data_length)
return success;
}
+static bool avr_hid_get_state(void)
+{
+ uint8_t state[8];
+ if (avr_run_command(CMD_STATE, state, sizeof(state)))
+ {
+ avr_battery_status = state[6];
+ avr_battery_level = state[7];
+ parse_button_state(state);
+ return true;
+ }
+ return false;
+}
static bool avr_hid_sync(void)
{
- uint8_t data;
int retry;
for (retry = 0; retry < AVR_MAX_RETRIES; retry++)
{
- if (avr_run_command(CMD_VER, &data, sizeof(data)))
+ if (avr_hid_get_state())
{
return true;
}
+ mdelay(100);
}
/* TODO: Program HID as it appears to be not programmed.
* To do so, unfortunately, AVR firmware would have to be written
@@ -509,17 +521,6 @@ bool charging_state(void)
return (avr_battery_status & BATTERY_STATUS_CHARGING) != 0;
}
-static void avr_hid_get_state(void)
-{
- uint8_t state[8];
- if (avr_execute_command(CMD_STATE, state, sizeof(state)))
- {
- avr_battery_status = state[6];
- avr_battery_level = state[7];
- parse_button_state(state);
- }
-}
-
static uint32_t avr_hid_get_monotime(void)
{
uint8_t tmp[4];