Fix a bug in U8G2 HAL SPI initialize

if we don't set bus_config to all zero, a wrong bus_config.flag may have some random bug
hr-agrartechnik · Sep 23, 2018 · de865db · de865db
1 parent 2b7d590
commit de865db
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/hardware/displays/U8G2/u8g2_esp32_hal.c b/hardware/displays/U8G2/u8g2_esp32_hal.c
@@ -47,6 +47,7 @@ uint8_t u8g2_esp32_spi_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void
 			}
 
 		  spi_bus_config_t bus_config;
+                  memset(&bus_config, 0, sizeof(spi_bus_config_t));
 		  bus_config.sclk_io_num   = u8g2_esp32_hal.clk; // CLK
 		  bus_config.mosi_io_num   = u8g2_esp32_hal.mosi; // MOSI
 		  bus_config.miso_io_num   = -1; // MISO