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Refactor use of legacy i2c implementation (#14341)

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Joel Challis 2021-09-07 16:34:59 +01:00 • committed by GitHub
parent 2d6635214a
commit e7a5c006d9
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6 changed files with 23 additions and 419 deletions
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27
keyboards/sx60/sx60.c
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@ -1,5 +1,5 @@
#include "sx60.h"
#include "i2cmaster.h"
#include "i2c_master.h"
bool i2c_initialized = 0;
@ -18,21 +18,18 @@ uint8_t init_mcp23018(void) {
/* B Pins are Row, A pins are Columns
Set them to output */
mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(IODIRA); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b11111111); if (mcp23018_status) goto out;
/* Now write to IODIRB */
mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out;
i2c_stop();
static uint8_t direction[2] = {
0b11111111,
0b00000000,
};
static uint8_t pullup[2] = {
0b11111111,
0b00000000,
};
mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(GPPUA); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b11111111); if (mcp23018_status) goto out;
/* Now write to GPPUB */
mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out;
out:
i2c_stop();
mcp23018_status = i2c_writeReg(I2C_ADDR, IODIRA, direction, 2, I2C_TIMEOUT);
if (mcp23018_status) return mcp23018_status;
mcp23018_status = i2c_writeReg(I2C_ADDR, GPPUA, pullup, 2, I2C_TIMEOUT);
return mcp23018_status;
}