ttrftech/NanoVNA
1
0
Fork 0
mirror of https://github.com/ttrftech/NanoVNA.git synced 2025-12-06 03:31:59 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

More safe read data on SPI

Browse source
This commit is contained in:
DiSlord 2020-07-12 16:19:26 +03:00
parent 8c131098f0
commit fb258a9201
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
ili9341.c
View file

@ -223,7 +223,7 @@ static void spi_TxBuffer(uint8_t *buffer, uint16_t len) {
static uint8_t spi_RxByte(void) { static uint8_t spi_RxByte(void) {
// Start RX clock (by sending data) // Start RX clock (by sending data)
SPI_WRITE_8BIT(LCD_SPI, 0xFF); 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); return SPI_READ_8BIT(LCD_SPI);
} }