Update handwired/frenchdev keyboard (#5443)
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parent
76e78e8ca1
commit
c7583d181a
8 changed files with 115 additions and 525 deletions
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@ -40,7 +40,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "util.h"
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#include "matrix.h"
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#include "frenchdev.h"
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#include "i2cmaster.h"
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#ifdef DEBUG_MATRIX_SCAN_RATE
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#include "timer.h"
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#endif
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@ -280,11 +279,12 @@ static matrix_row_t read_cols(uint8_t row)
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return 0;
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} else {
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uint8_t data = 0;
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mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(GPIOB); if (mcp23018_status) goto out;
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mcp23018_status = i2c_start(I2C_ADDR_READ); if (mcp23018_status) goto out;
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data = i2c_readNak();
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data = ~data;
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mcp23018_status = i2c_start(I2C_ADDR_WRITE, I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(GPIOB, I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_start(I2C_ADDR_READ, I2C_TIMEOUT); if (mcp23018_status) goto out;
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data = i2c_read_nack(I2C_TIMEOUT); if (mcp23018_status < 0) goto out;
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data = ~((uint8_t)mcp23018_status);
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mcp23018_status = I2C_STATUS_SUCCESS;
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out:
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i2c_stop();
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return data;
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@ -318,11 +318,9 @@ static void unselect_rows(void)
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// do nothing
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} else {
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// set all rows hi-Z : 1
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mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(GPIOA); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write( 0xFF
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& ~(0<<8)
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); if (mcp23018_status) goto out;
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mcp23018_status = i2c_start(I2C_ADDR_WRITE, I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(GPIOA, I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write( 0xFF & ~(0<<8), I2C_TIMEOUT); if (mcp23018_status) goto out;
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out:
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i2c_stop();
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}
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@ -346,11 +344,9 @@ static void select_row(uint8_t row)
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} else {
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// set active row low : 0
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// set other rows hi-Z : 1
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mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(GPIOA); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write( 0xFF & ~(1<<row)
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& ~(0<<8)
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); if (mcp23018_status) goto out;
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mcp23018_status = i2c_start(I2C_ADDR_WRITE, I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write(GPIOA, I2C_TIMEOUT); if (mcp23018_status) goto out;
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mcp23018_status = i2c_write( 0xFF & ~(1<<row) & ~(0<<8), I2C_TIMEOUT); if (mcp23018_status) goto out;
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out:
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i2c_stop();
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}
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@ -393,4 +389,3 @@ static void select_row(uint8_t row)
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}
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}
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}
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