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Use 0xFF (not 'ff') for byte transfer

Scott Lahteine 4 years ago
parent
commit
fb28c6041a
2 changed files with 4 additions and 6 deletions
  1. 2
    2
      Marlin/src/HAL/STM32F1/HAL_SPI.cpp
  2. 2
    4
      Marlin/src/libs/W25Qxx.cpp

+ 2
- 2
Marlin/src/HAL/STM32F1/HAL_SPI.cpp View File

@@ -110,7 +110,7 @@ void spiInit(uint8_t spiRate) {
110 110
  * @details
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  */
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 uint8_t spiRec() {
113
-  uint8_t returnByte = SPI.transfer(ff);
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+  uint8_t returnByte = SPI.transfer(0xFF);
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   return returnByte;
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 }
116 116
 
@@ -154,7 +154,7 @@ void spiSendBlock(uint8_t token, const uint8_t* buf) {
154 154
 #if ENABLED(SPI_EEPROM)
155 155
 
156 156
 // Read single byte from specified SPI channel
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-uint8_t spiRec(uint32_t chan) { return SPI.transfer(ff); }
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+uint8_t spiRec(uint32_t chan) { return SPI.transfer(0xFF); }
158 158
 
159 159
 // Write single byte to specified SPI channel
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 void spiSend(uint32_t chan, byte b) { SPI.send(b); }

+ 2
- 4
Marlin/src/libs/W25Qxx.cpp View File

@@ -80,16 +80,14 @@ void W25QXXFlash::init(uint8_t spiRate) {
80 80
  * @brief  Receive a single byte from the SPI port.
81 81
  *
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  * @return Byte received
83
- *
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- * @details
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  */
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 uint8_t W25QXXFlash::spi_flash_Rec() {
87
-  uint8_t returnByte = SPI.transfer(ff);
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+  const uint8_t returnByte = SPI.transfer(0xFF);
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   return returnByte;
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 }
90 88
 
91 89
 uint8_t W25QXXFlash::spi_flash_read_write_byte(uint8_t data) {
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-  uint8_t returnByte = SPI.transfer(data);
90
+  const uint8_t returnByte = SPI.transfer(data);
93 91
   return returnByte;
94 92
 }
95 93
 

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