延长i2c 超时为 500ms 解决心率读取超时问题。

diff --git a/code/sdk/drivers/chips/brandy/porting/include/i2c_porting.h b/code/sdk/drivers/chips/brandy/porting/include/i2c_porting.h
index b13c12f..83db1b0 100755 (executable)
--- a/code/sdk/drivers/chips/brandy/porting/include/i2c_porting.h
+++ b/code/sdk/drivers/chips/brandy/porting/include/i2c_porting.h
@@ -25,7 +25,7 @@ extern "C" {
 #ifdef TEST_SUITE
 #define CONFIG_I2C_WAIT_CONDITION_TIMEOUT 0xFFFFFFFFULL
 #else
-#define CONFIG_I2C_WAIT_CONDITION_TIMEOUT 0x3ULL
+#define CONFIG_I2C_WAIT_CONDITION_TIMEOUT 0x500ULL  //根据设备要求，客户可以自行更改，目前是 心率读写可能需要更久，目前抓取到的最大300多ms，因此修改此timeout时间为500ms ， 原来3ms
 #endif
 
 #define I2C_BUS_MAX_NUM I2C_BUS_MAX_NUMBER