summaryrefslogtreecommitdiff
path: root/keyboards/spiderisland/split78/matrix.c
diff options
context:
space:
mode:
authorunrelentingtech <greg@unrelenting.technology>2021-02-28 09:11:52 +0300
committerGitHub <noreply@github.com>2021-02-28 17:11:52 +1100
commitce75f48acb3ba622201a0615bccb5825d118a703 (patch)
tree476886e4c3c4de338afbe88693d42058f37dd2ea /keyboards/spiderisland/split78/matrix.c
parent9fd5c6f619ec0745a6774cb3f6fe23dcceb1e621 (diff)
[Keyboard] Update spiderisland/split78 (#11990)
* [Keyboard] spiderisland/split78: add MCP23018 reset code Now, communication with the right side gets re-established after unplugging it and plugging it back in. * [Keyboard] spiderisland/split78: configure debouncing I've been experiencing particularly bad bounce on the 'A' key. Also, update maintainer github username
Diffstat (limited to 'keyboards/spiderisland/split78/matrix.c')
-rw-r--r--keyboards/spiderisland/split78/matrix.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/keyboards/spiderisland/split78/matrix.c b/keyboards/spiderisland/split78/matrix.c
index b5c7028fdf..71e154e5b7 100644
--- a/keyboards/spiderisland/split78/matrix.c
+++ b/keyboards/spiderisland/split78/matrix.c
@@ -105,9 +105,17 @@ void matrix_init_custom(void) {
}
+static i2c_status_t mcp23018_status = I2C_STATUS_SUCCESS;
+
bool matrix_scan_custom(matrix_row_t current_matrix[]) {
bool matrix_has_changed = false;
+#if defined(RIGHT_HALF)
+ if (mcp23018_status != I2C_STATUS_SUCCESS) {
+ mcp23018_status = mcp23018_init();
+ }
+#endif
+
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
// Store last value of row prior to reading
matrix_row_t last_row_value = current_matrix[row];
@@ -124,7 +132,9 @@ bool matrix_scan_custom(matrix_row_t current_matrix[]) {
// as 0x75 would be no keys pressed
uint8_t data = 0x7F;
// Receive the columns from right half
- i2c_receive(TWI_ADDR_WRITE, &data, 1, I2C_TIMEOUT);
+ if (mcp23018_status == I2C_STATUS_SUCCESS) {
+ mcp23018_status = i2c_receive(TWI_ADDR_WRITE, &data, 1, I2C_TIMEOUT);
+ }
#endif
cols |= ((~(PINA | 0x80)) & 0x7F);
@@ -146,7 +156,9 @@ void matrix_set_row_status(uint8_t row) {
//Set the remote row on port A
txdata[0] = (GPIOA);
txdata[1] = ( 0xFF & ~(1<<row) );
- i2c_transmit(TWI_ADDR_WRITE, (uint8_t *)txdata, 2, I2C_TIMEOUT);
+ if (mcp23018_status == I2C_STATUS_SUCCESS) {
+ mcp23018_status = i2c_transmit(TWI_ADDR_WRITE, (uint8_t *)txdata, 2, I2C_TIMEOUT);
+ }
#endif
//Set the local row on port B