From: Keith Packard <keithp@keithp.com>
Date: Tue, 14 May 2013 17:48:24 +0000 (-0700)
Subject: altos: Add 3 second delay to let mpu6000 come to life
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=e1c3fc8d2a1504b9801a710cbf79cfeb7daf4b66;p=fw%2Faltos

altos: Add 3 second delay to let mpu6000 come to life

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/drivers/ao_mpu6000.c b/src/drivers/ao_mpu6000.c
index fc768cc9..38d29b8c 100644
--- a/src/drivers/ao_mpu6000.c
+++ b/src/drivers/ao_mpu6000.c
@@ -161,12 +161,15 @@ ao_mpu6000_setup(void)
 	if (ao_mpu6000_configured)
 		return;
 
+	ao_delay(AO_SEC_TO_TICKS(3));
+
 	/* Reset the whole chip */
 	
 	ao_mpu6000_reg_write(MPU6000_PWR_MGMT_1,
 			     (1 << MPU6000_PWR_MGMT_1_DEVICE_RESET));
 
 	/* Wait for it to reset. If we talk too quickly, it appears to get confused */
+	ao_delay(AO_SEC_TO_TICKS(3));
 	ao_delay(AO_MS_TO_TICKS(100));
 
 	/* Reset signal conditioning */