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I2C driver cleanup (#21273)

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* 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
49 changed files with 280 additions and 603 deletions
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43
keyboards/bajjak/bajjak.c
View File

@@ -137,23 +137,16 @@ uint8_t init_mcp23018(void) {
// - unused : input : 1
// - input : input : 1
// - driving : output : 0
mcp23018_status = i2c_start(I2C_ADDR_WRITE, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(IODIRA, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b00000000, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b00111111, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
i2c_stop();
uint8_t data[] = {0b00000000, 0b00111111};
mcp23018_status = i2c_writeReg(I2C_ADDR, IODIRA, data, 2, BAJJAK_EZ_I2C_TIMEOUT);
// set pull-up
// - unused : on : 1
// - input : on : 1
// - driving : off : 0
mcp23018_status = i2c_start(I2C_ADDR_WRITE, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(GPPUA, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b00000000, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b01111111, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
out:
i2c_stop();
if (!mcp23018_status) {
// set pull-up
// - unused : on : 1
// - input : on : 1
// - driving : off : 0
mcp23018_status = i2c_writeReg(I2C_ADDR, IODIRA, data, 2, BAJJAK_EZ_I2C_TIMEOUT);
}
#ifdef LEFT_LEDS
if (!mcp23018_status) mcp23018_status = bajjak_left_leds_update();
@@ -176,21 +169,11 @@ uint8_t bajjak_left_leds_update(void) {
// - unused : hi-Z : 1
// - input : hi-Z : 1
// - driving : hi-Z : 1
mcp23018_status = i2c_start(I2C_ADDR_WRITE, BAJJAK_EZ_I2C_TIMEOUT);
if (mcp23018_status) goto out;
mcp23018_status = i2c_write(OLATA, BAJJAK_EZ_I2C_TIMEOUT);
if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b11111111
& ~(bajjak_left_led_1<<LEFT_LED_1_SHIFT),
BAJJAK_EZ_I2C_TIMEOUT);
if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b11111111
& ~(bajjak_left_led_2<<LEFT_LED_2_SHIFT),
BAJJAK_EZ_I2C_TIMEOUT);
if (mcp23018_status) goto out;
uint8_t data[2];
data[0] = 0b11111111 & ~(bajjak_left_led_1<<LEFT_LED_1_SHIFT);
data[1] = 0b11111111 & ~(bajjak_left_led_2<<LEFT_LED_2_SHIFT);
mcp23018_status = i2c_writeReg(I2C_ADDR, OLATA, data, 2, BAJJAK_EZ_I2C_TIMEOUT);
out:
i2c_stop();
return mcp23018_status;
}
#endif

4
keyboards/bajjak/bajjak.h
View File

@@ -27,9 +27,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "i2c_master.h"
// I2C aliases and register addresses (see "mcp23018.md")
#define I2C_ADDR 0b0100000
#define I2C_ADDR_WRITE ( (I2C_ADDR<<1) | I2C_WRITE )
#define I2C_ADDR_READ ( (I2C_ADDR<<1) | I2C_READ )
#define I2C_ADDR (0b0100000<<1)
#define IODIRA 0x00 // i/o direction register
#define IODIRB 0x01
#define GPPUA 0x0C // GPIO pull-up resistor register

16
keyboards/bajjak/matrix.c
View File

@@ -145,12 +145,7 @@ static matrix_row_t read_cols(uint8_t row) {
uint8_t data = 0;
// reading GPIOB (column port) since in mcp23018's sequential mode
// it is addressed directly after writing to GPIOA in select_row()
mcp23018_status = i2c_start(I2C_ADDR_READ, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_read_nack(BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status < 0) goto out;
data = ~((uint8_t)mcp23018_status);
mcp23018_status = I2C_STATUS_SUCCESS;
out:
i2c_stop();
mcp23018_status = i2c_receive(I2C_ADDR, &data, 1, BAJJAK_EZ_I2C_TIMEOUT);
return data;
}
} else {
@@ -195,11 +190,10 @@ static void select_row(uint8_t row) {
if (!mcp23018_status) {
// set active row low : 0
// set other rows hi-Z : 1
mcp23018_status = i2c_start(I2C_ADDR_WRITE, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(GPIOA, BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0xFF & ~(1 << row), BAJJAK_EZ_I2C_TIMEOUT); if (mcp23018_status) goto out;
out:
i2c_stop();
uint8_t data;
data = 0xFF & ~(1 << row);
mcp23018_status = i2c_writeReg(I2C_ADDR, GPIOA, &data, 1, BAJJAK_EZ_I2C_TIMEOUT);
}
} else {
// select on teensy