Merge branch 'fix/add_parentheses_to_spi_swap_data_tx' into 'master'
spi: Put argument of macro SPI_SWAP_DATA_TX in parentheses See merge request espressif/esp-idf!5982
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commit
8b3e8f10cb
1 changed files with 7 additions and 7 deletions
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@ -41,11 +41,11 @@ extern "C"
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*
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*
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* Then points tx_buffer to ``&data``.
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* Then points tx_buffer to ``&data``.
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*
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*
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* @param data Data to be sent, can be uint8_t, uint16_t or uint32_t. @param
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* @param DATA Data to be sent, can be uint8_t, uint16_t or uint32_t.
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* len Length of data to be sent, since the SPI peripheral sends from the MSB,
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* @param LEN Length of data to be sent, since the SPI peripheral sends from
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* this helps to shift the data to the MSB.
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* the MSB, this helps to shift the data to the MSB.
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*/
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*/
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#define SPI_SWAP_DATA_TX(data, len) __builtin_bswap32((uint32_t)data<<(32-len))
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#define SPI_SWAP_DATA_TX(DATA, LEN) __builtin_bswap32((uint32_t)(DATA)<<(32-(LEN)))
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/**
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/**
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* Transform received data of length <= 32 bits to the format of an unsigned integer.
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* Transform received data of length <= 32 bits to the format of an unsigned integer.
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@ -54,11 +54,11 @@ extern "C"
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*
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*
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* uint16_t data = SPI_SWAP_DATA_RX(*(uint32_t*)t->rx_data, 15);
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* uint16_t data = SPI_SWAP_DATA_RX(*(uint32_t*)t->rx_data, 15);
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*
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*
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* @param data Data to be rearranged, can be uint8_t, uint16_t or uint32_t.
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* @param DATA Data to be rearranged, can be uint8_t, uint16_t or uint32_t.
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* @param len Length of data received, since the SPI peripheral writes from
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* @param LEN Length of data received, since the SPI peripheral writes from
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* the MSB, this helps to shift the data to the LSB.
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* the MSB, this helps to shift the data to the LSB.
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*/
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*/
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#define SPI_SWAP_DATA_RX(data, len) (__builtin_bswap32(data)>>(32-len))
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#define SPI_SWAP_DATA_RX(DATA, LEN) (__builtin_bswap32(DATA)>>(32-(LEN)))
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/**
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/**
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* @brief This is a configuration structure for a SPI bus.
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* @brief This is a configuration structure for a SPI bus.
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