mirror of https://github.com/marqs85/ossc.git
i2c_opencores.[ch], spi_io.[ch]: Improve const correctness.
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cd77713255
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@ -17,7 +17,7 @@ int I2C_start(alt_u32 base, alt_u32 add, alt_u32 read);
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alt_u32 I2C_read(alt_u32 base,alt_u32 last);
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alt_u32 I2C_read(alt_u32 base,alt_u32 last);
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alt_u32 I2C_write(alt_u32 base,alt_u8 data, alt_u32 last);
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alt_u32 I2C_write(alt_u32 base,alt_u8 data, alt_u32 last);
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void SPI_read(alt_u32 base, alt_u8 *rdata, int len);
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void SPI_read(alt_u32 base, alt_u8 *rdata, int len);
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void SPI_write(alt_u32 base, alt_u8 *wdata, int len);
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void SPI_write(alt_u32 base, const alt_u8 *wdata, int len);
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#define I2C_OK (0)
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#define I2C_OK (0)
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#define I2C_ACK (0)
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#define I2C_ACK (0)
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#define I2C_NOACK (1)
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#define I2C_NOACK (1)
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@ -197,7 +197,7 @@ void SPI_read(alt_u32 base, alt_u8 *rdata, int len)
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}
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}
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}
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}
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void SPI_write(alt_u32 base, alt_u8 *wdata, int len)
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void SPI_write(alt_u32 base, const alt_u8 *wdata, int len)
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{
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{
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int i;
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int i;
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@ -15,7 +15,7 @@ void SPI_Init (void) {
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I2C_init(SD_SPI_BASE,ALT_CPU_FREQ,400000);
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I2C_init(SD_SPI_BASE,ALT_CPU_FREQ,400000);
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}
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}
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void SPI_W(BYTE *wd, int len) {
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void SPI_W(const BYTE *wd, int len) {
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SPI_write(SD_SPI_BASE, wd, len);
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SPI_write(SD_SPI_BASE, wd, len);
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}
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}
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@ -33,7 +33,7 @@ void SPI_R (BYTE *rd, int len);
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\param *wd Pointer to array which holds the bytes.
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\param *wd Pointer to array which holds the bytes.
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\param len Length of the array.
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\param len Length of the array.
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*/
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*/
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void SPI_W (BYTE *wd, int len);
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void SPI_W (const BYTE *wd, int len);
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/**
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/**
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\brief Read a single byte.
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\brief Read a single byte.
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