More safe read data on SPI

6 years ago · fb258a9201
parent 8c131098f0
commit fb258a9201
1 changed files with 1 additions and 1 deletions
--- a/ili9341.c
+++ b/ili9341.c
@ -223,7 +223,7 @@ static void spi_TxBuffer(uint8_t *buffer, uint16_t len) {
 static uint8_t spi_RxByte(void) {
  // Start RX clock (by sending data)
  SPI_WRITE_8BIT(LCD_SPI, 0xFF);
-  while (SPI_RX_IS_EMPTY(LCD_SPI));
+  while (SPI_RX_IS_EMPTY(LCD_SPI)||SPI_IS_BUSY(LCD_SPI));
  return SPI_READ_8BIT(LCD_SPI);
 }