specchioriflesso/USB_Host_Shield_2.0
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The data needs to be aligned to 32-bit when sending using SPI.writeBytes and SPI.transferBytes for the ESP8266

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This commit is contained in:
Kristian Sloth Lauszus 2017-06-13 11:55:05 +02:00
parent a057d83d5e
commit a68614a2e8
1 changed files with 10 additions and 15 deletions
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25
usbhost.h
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@ -177,12 +177,15 @@ void MAX3421e< SPI_SS, INTR >::regWr(uint8_t reg, uint8_t data) {
c[1] = data;
spi4teensy3::send(c, 2);
#elif defined(SPI_HAS_TRANSACTION)
#ifdef ESP8266
uint32_t c[2]; // The data needs to be aligned to 32-bit
c[0] = reg | 0x02;
c[1] = data;
SPI.writeBytes(c, 2);
#else
uint8_t c[2];
c[0] = reg | 0x02;
c[1] = data;
#ifdef ESP8266
SPI.writeBytes(c, 2);
#else
SPI.transfer(c, 2);
#endif
#elif defined(STM32F4)
@ -222,13 +225,9 @@ uint8_t* MAX3421e< SPI_SS, INTR >::bytesWr(uint8_t reg, uint8_t nbytes, uint8_t*
spi4teensy3::send(reg | 0x02);
spi4teensy3::send(data_p, nbytes);
data_p += nbytes;
#elif defined(SPI_HAS_TRANSACTION)
#elif defined(SPI_HAS_TRANSACTION) && !defined(ESP8266)
SPI.transfer(reg | 0x02);
#ifdef ESP8266
SPI.writeBytes(data_p, nbytes);
#else
SPI.transfer(data_p, nbytes);
#endif
data_p += nbytes;
#elif defined(__ARDUINO_X86__)
SPI.transfer(reg | 0x02);
@ -239,7 +238,7 @@ uint8_t* MAX3421e< SPI_SS, INTR >::bytesWr(uint8_t reg, uint8_t nbytes, uint8_t*
HAL_SPI_Transmit(&SPI_Handle, &data, 1, HAL_MAX_DELAY);
HAL_SPI_Transmit(&SPI_Handle, data_p, nbytes, HAL_MAX_DELAY);
data_p += nbytes;
#elif !defined(SPDR)
#elif !defined(SPDR) // ESP8266
SPI.transfer(reg | 0x02);
while(nbytes) {
SPI.transfer(*data_p);
@ -328,15 +327,11 @@ uint8_t* MAX3421e< SPI_SS, INTR >::bytesRd(uint8_t reg, uint8_t nbytes, uint8_t*
spi4teensy3::send(reg);
spi4teensy3::receive(data_p, nbytes);
data_p += nbytes;
#elif defined(SPI_HAS_TRANSACTION)
#elif defined(SPI_HAS_TRANSACTION) && !defined(ESP8266)
SPI.transfer(reg);
memset(data_p, 0, nbytes); // Make sure we send out empty bytes
#ifdef ESP8266
SPI.transferBytes(data_p, data_p, nbytes);
#else
SPI.transfer(data_p, nbytes);
data_p += nbytes;
#endif
#elif defined(__ARDUINO_X86__)
SPI.transfer(reg);
SPI.transferBuffer(NULL, data_p, nbytes);
@ -346,7 +341,7 @@ uint8_t* MAX3421e< SPI_SS, INTR >::bytesRd(uint8_t reg, uint8_t nbytes, uint8_t*
memset(data_p, 0, nbytes); // Make sure we send out empty bytes
HAL_SPI_Receive(&SPI_Handle, data_p, nbytes, HAL_MAX_DELAY);
data_p += nbytes;
#elif !defined(SPDR)
#elif !defined(SPDR) // ESP8266
SPI.transfer(reg);
while(nbytes) {
*data_p++ = SPI.transfer(0);