ahoneybun/qmk_firmware
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

I2C driver cleanup (#21273)

Browse source 
* remove i2c_start and i2c_stop from i2c drivers

* remove static i2c_address variable from chibios i2c driver
This commit is contained in:
David Hoelscher 2024-01-17 07:05:38 -06:00 • committed by GitHub
parent 2b0965944d
commit e9bd7d7ad3
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
49 changed files with 280 additions and 603 deletions
Download patch file Download diff file Expand all files Collapse all files

18
keyboards/gboards/ergotaco/matrix.c
View file

@ -234,15 +234,8 @@ static matrix_row_t read_cols(uint8_t row)
return 0;
} else {
uint8_t data = 0;
mcp23018_status = i2c_start(I2C_ADDR_WRITE, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(GPIOB, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_start(I2C_ADDR_READ, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_read_nack(ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status < 0) goto out;
data = (~((uint8_t)mcp23018_status) >> 2) & 0x01 ;
mcp23018_status = I2C_STATUS_SUCCESS;
out:
i2c_stop();
mcp23018_status = i2c_readReg(I2C_ADDR, GPIOB, &data, 1, ERGODOX_EZ_I2C_TIMEOUT);
data = (~((uint8_t)data) >> 2) & 0x01 ;
#ifdef DEBUG_MATRIX
if (data != 0x00) xprintf("I2C: %d\n", data);
#endif
@ -274,11 +267,8 @@ static void select_row(uint8_t row)
if (mcp23018_status) { // do nothing on error
// Read using bitmask
} else { // set active row low : 0 // set other rows hi-Z : 1
mcp23018_status = i2c_start(I2C_ADDR_WRITE, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(GPIOA, ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(~(1<<row), ERGODOX_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
out:
i2c_stop();
uint8_t data = ~(1<<row);
mcp23018_status = i2c_writeReg(I2C_ADDR, GPIOA, &data, 1, ERGODOX_EZ_I2C_TIMEOUT);
}
} else {
// Output low(DDR:1, PORT:0) to select