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| | | #include "Spi.h" |
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| | | #include "deca_device_api.h" |
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| | | |
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| | | void Spi_Init(void) |
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| | | { |
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| | |
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| | | RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE); |
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| | | |
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| | | /* SPI GPIO setup */ |
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| | | // SPIx SCK and MOSI pin setup |
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| | | GPIO_InitStructure.GPIO_Pin = SPIx_SCK | SPIx_MOSI; |
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| | | // SPIx SCK, MISO and MOSI pin setup |
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| | | GPIO_InitStructure.GPIO_Pin = SPIx_SCK | SPIx_MOSI | SPIx_MISO; |
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| | | GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; |
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| | | GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
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| | | GPIO_Init(SPIx_GPIO, &GPIO_InitStructure); |
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| | | |
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| | | // SPIx MISO pin setup |
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| | | GPIO_InitStructure.GPIO_Pin = SPIx_MISO; |
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| | | GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; |
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| | | GPIO_Init(SPIx_GPIO, &GPIO_InitStructure); |
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| | | |
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| | | // SPIx CS pin setup |
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| | |
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| | | |
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| | | // Set CS high |
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| | | GPIO_SetBits(SPIx_CS_GPIO, SPIx_CS); |
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| | | |
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| | | |
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| | | SPI_I2S_DeInit(SPIx); |
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| | | |
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| | |
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| | | * Takes two separate byte buffers for write header and write data |
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| | | * returns 0 for success, or -1 for error |
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| | | */ |
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| | | int writetospi_serial |
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| | | int writetospi |
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| | | ( |
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| | | uint16_t headerLength, |
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| | | const uint8_t *headerBuffer, |
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| | |
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| | | * returns the offset into read buffer where first byte of read data may be found, |
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| | | * or returns -1 if there was an error |
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| | | */ |
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| | | int readfromspi_serial |
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| | | int readfromspi |
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| | | ( |
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| | | uint16_t headerLength, |
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| | | const uint8_t *headerBuffer, |
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