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Fixes for recent i2c migrations (#14352)

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Joel Challis 2021-09-08 23:44:18 +01:00 committed by GitHub
parent 9c175f1801
commit 2e0659f7fd
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4 changed files with 6 additions and 5 deletions
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2
keyboards/3w6/rev1/matrix.c
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@ -34,7 +34,7 @@ extern i2c_status_t tca9555_status;
// All address pins of the tca9555 are connected to the ground
// | 0 | 1 | 0 | 0 | A2 | A1 | A0 |
// | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
#define I2C_ADDR 0b0100000
#define I2C_ADDR (0b0100000 << 1)
// Register addresses
#define IODIRA 0x06 // i/o direction register

5
keyboards/3w6/rev2/matrix.c
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@ -34,7 +34,7 @@ extern i2c_status_t tca9555_status;
// All address pins of the tca9555 are connected to the ground
// | 0 | 1 | 0 | 0 | A2 | A1 | A0 |
// | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
#define I2C_ADDR 0b0100000
#define I2C_ADDR (0b0100000 << 1)
// Register addresses
#define IODIRA 0x06 // i/o direction register
@ -192,6 +192,7 @@ static matrix_row_t read_cols(uint8_t row) {
// do nothing
return 0;
} else {
port0 = ~port0;
// We read all the pins on GPIOA.
// The initial state was all ones and any depressed key at a given column for the currently selected row will have its bit flipped to zero.
// The return value is a row as represented in the generic matrix code were the rightmost bits represent the lower columns and zeroes represent non-depressed keys while ones represent depressed keys.
@ -247,7 +248,7 @@ static void select_row(uint8_t row) {
default: break;
}
tca9555_status = i2c_writeReg(I2C_ADDR, OREGP1, &port1, 2, I2C_TIMEOUT);
tca9555_status = i2c_writeReg(I2C_ADDR, OREGP1, &port1, 1, I2C_TIMEOUT);
// Select the desired row by writing a byte for the entire GPIOB bus where only the bit representing the row we want to select is a zero (write instruction) and every other bit is a one.
// Note that the row - MATRIX_ROWS_PER_SIDE reflects the fact that being on the right hand, the columns are numbered from MATRIX_ROWS_PER_SIDE to MATRIX_ROWS, but the pins we want to write to are indexed from zero up on the GPIOB bus.
}

2
keyboards/handwired/dactyl/dactyl.h
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@ -7,7 +7,7 @@
#include "i2c_master.h"
#include <util/delay.h>
#define I2C_ADDR 0b0100000
#define I2C_ADDR (0b0100000 << 1)
#define I2C_TIMEOUT 100
#define IODIRA 0x00 // i/o direction register
#define IODIRB 0x01

2
keyboards/sx60/sx60.h
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@ -8,7 +8,7 @@
#include <util/delay.h>
/* I2C aliases and register addresses (see "mcp23018.md") */
#define I2C_ADDR 0b0100000
#define I2C_ADDR (0b0100000 << 1)
#define I2C_TIMEOUT 100
#define IODIRA 0x00 /* i/o direction register */
#define IODIRB 0x01