Mercurial > ~darius > hgwebdir.cgi > stm32temp
view spi.c @ 31:03592ca4d37e
Port tempctrl.c from AVR. I removed the beep code as I don't have a
beeper on the STM32 board.
Reworked the heat/cool stuff so it can use separate ports.
author | Daniel O'Connor <darius@dons.net.au> |
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date | Tue, 27 Nov 2012 13:20:52 +1030 |
parents | 58d76cf522ff |
children |
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#include <stdint.h> #include "spi.h" #include "stm32f10x.h" uint8_t SPI_WriteByte(uint8_t out) { uint8_t in = 0; /* Wait until the transmit buffer is empty */ while (SPI_I2S_GetFlagStatus(SPI1,SPI_I2S_FLAG_TXE) == RESET) ; /* Send the byte */ SPI_I2S_SendData(SPI1, out); /* Wait until a data is received */ while (SPI_I2S_GetFlagStatus(SPI1,SPI_I2S_FLAG_RXNE) == RESET) ; /* Get the received data */ in = SPI_I2S_ReceiveData(SPI1); /* Return the shifted data */ return (in); }