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i2c_opencores.[ch], spi_io.[ch]: Improve const correctness.

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This commit is contained in:
Ari Sundholm 2020-11-05 18:43:52 +02:00
parent cd77713255
commit 556140dd62
4 changed files with 4 additions and 4 deletions
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2
ip/i2c_opencores/HAL/inc/i2c_opencores.h
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@ -17,7 +17,7 @@ int I2C_start(alt_u32 base, alt_u32 add, alt_u32 read);
alt_u32 I2C_read(alt_u32 base,alt_u32 last);
alt_u32 I2C_write(alt_u32 base,alt_u8 data, alt_u32 last);
void SPI_read(alt_u32 base, alt_u8 *rdata, int len);
void SPI_write(alt_u32 base, alt_u8 *wdata, int len);
void SPI_write(alt_u32 base, const alt_u8 *wdata, int len);
#define I2C_OK (0)
#define I2C_ACK (0)
#define I2C_NOACK (1)

2
ip/i2c_opencores/HAL/src/i2c_opencores.c
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@ -197,7 +197,7 @@ void SPI_read(alt_u32 base, alt_u8 *rdata, int len)
}
}
void SPI_write(alt_u32 base, alt_u8 *wdata, int len)
void SPI_write(alt_u32 base, const alt_u8 *wdata, int len)
{
int i;

2
software/sys_controller/ulibSD/spi_io.c
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@ -15,7 +15,7 @@ void SPI_Init (void) {
I2C_init(SD_SPI_BASE,ALT_CPU_FREQ,400000);
}
void SPI_W(BYTE *wd, int len) {
void SPI_W(const BYTE *wd, int len) {
SPI_write(SD_SPI_BASE, wd, len);
}

2
software/sys_controller/ulibSD/spi_io.h
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@ -33,7 +33,7 @@ void SPI_R (BYTE *rd, int len);
\param *wd Pointer to array which holds the bytes.
\param len Length of the array.
*/
void SPI_W (BYTE *wd, int len);
void SPI_W (const BYTE *wd, int len);
/**
\brief Read a single byte.