Merge pull request #6 from makermelissa/v4.2

ladyada · web-flow · commit 961b038addce · 2021-03-31T11:27:01.000-04:00
Fix I2C init for ESP32S2
diff --git a/cores/esp32/esp32-hal-i2c.c b/cores/esp32/esp32-hal-i2c.c
@@ -1816,7 +1816,7 @@ i2c_t * i2cInit(uint8_t i2c_num, int8_t sda, int8_t scl, uint32_t clk_speed){
 		i2c_driver_delete((i2c_port_t)i2c_num);
 	}
 
-    i2c_config_t conf;
+    i2c_config_t conf = { };
     conf.mode = I2C_MODE_MASTER;
     conf.scl_io_num = (gpio_num_t)scl;
     conf.sda_io_num = (gpio_num_t)sda;

Original file line number	Diff line number	Diff line change
`@@ -1816,7 +1816,7 @@ i2c_t * i2cInit(uint8_t i2c_num, int8_t sda, int8_t scl, uint32_t clk_speed){`
`1816`	`1816`	`i2c_driver_delete((i2c_port_t)i2c_num);`
`1817`	`1817`	`}`
`1818`	`1818`
`1819`		`- i2c_config_t conf;`
	`1819`	`+ i2c_config_t conf = { };`
`1820`	`1820`	`conf.mode = I2C_MODE_MASTER;`
`1821`	`1821`	`conf.scl_io_num = (gpio_num_t)scl;`
`1822`	`1822`	`conf.sda_io_num = (gpio_num_t)sda;`