From 3fed8bced718e24e414c0d5736554d7988235b20 Mon Sep 17 00:00:00 2001
From: yiancar <yiangosyiangou@cytanet.com.cy>
Date: Tue, 16 Feb 2021 03:36:58 +0200
Subject: Dc01 fixes (#11843)

* dc01-fixes

* dc01-fixes

* Cleanup and add VIA

* Updated JSONs

* fix
---
 keyboards/dc01/left/matrix.c | 92 ++++++++++++++++++++------------------------
 1 file changed, 41 insertions(+), 51 deletions(-)

(limited to 'keyboards/dc01/left/matrix.c')

diff --git a/keyboards/dc01/left/matrix.c b/keyboards/dc01/left/matrix.c
index 0e7b591f82..9ae9b10987 100644
--- a/keyboards/dc01/left/matrix.c
+++ b/keyboards/dc01/left/matrix.c
@@ -31,14 +31,11 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "timer.h"
 #include "i2c_master.h"
 
-#define SLAVE_I2C_ADDRESS_RIGHT 0x19
-#define SLAVE_I2C_ADDRESS_NUMPAD 0x21
-#define SLAVE_I2C_ADDRESS_ARROW 0x23
+#define SLAVE_I2C_ADDRESS_RIGHT 0x32
+#define SLAVE_I2C_ADDRESS_NUMPAD 0x36
+#define SLAVE_I2C_ADDRESS_ARROW 0x40
 
 #define ERROR_DISCONNECT_COUNT 5
-static uint8_t error_count_right = 0;
-static uint8_t error_count_numpad = 0;
-static uint8_t error_count_arrow = 0;
 
 /* Set 0 if debouncing isn't needed */
 
@@ -210,38 +207,23 @@ uint8_t matrix_scan(void)
         }
 #   endif
 
-    if (i2c_transaction(SLAVE_I2C_ADDRESS_RIGHT, 0x3F, 0)){ //error has occured for main right half
-        error_count_right++;
-        if (error_count_right > ERROR_DISCONNECT_COUNT){ //disconnect half
-            for (uint8_t i = 0; i < MATRIX_ROWS ; i++) {
-                matrix[i] &= 0x3F; //mask bits to keep
-            }
-        }
-   }else{ //no error
-        error_count_right = 0;
+if (i2c_transaction(SLAVE_I2C_ADDRESS_RIGHT, 0x3F, 0)) {
+    for (uint8_t i = 0; i < MATRIX_ROWS ; i++) {
+        matrix[i] &= 0x3F; //mask bits to keep
     }
+}
 
-    if (i2c_transaction(SLAVE_I2C_ADDRESS_ARROW, 0X3FFF, 8)){ //error has occured for arrow cluster
-        error_count_arrow++;
-        if (error_count_arrow > ERROR_DISCONNECT_COUNT){ //disconnect arrow cluster
-            for (uint8_t i = 0; i < MATRIX_ROWS ; i++) {
-                matrix[i] &= 0x3FFF; //mask bits to keep
-            }
-        }
-    }else{ //no error
-        error_count_arrow = 0;
+if (i2c_transaction(SLAVE_I2C_ADDRESS_ARROW, 0X3FFF, 8)) {
+    for (uint8_t i = 0; i < MATRIX_ROWS ; i++) {
+        matrix[i] &= 0x3FFF; //mask bits to keep
     }
+}
 
-    if (i2c_transaction(SLAVE_I2C_ADDRESS_NUMPAD, 0x1FFFF, 11)){ //error has occured for numpad
-        error_count_numpad++;
-        if (error_count_numpad > ERROR_DISCONNECT_COUNT){ //disconnect numpad
-            for (uint8_t i = 0; i < MATRIX_ROWS ; i++) {
-                matrix[i] &= 0x1FFFF; //mask bits to keep
-            }
-        }
-    }else{ //no error
-        error_count_numpad = 0;
+if (i2c_transaction(SLAVE_I2C_ADDRESS_NUMPAD, 0x1FFFF, 11)) {
+    for (uint8_t i = 0; i < MATRIX_ROWS ; i++) {
+        matrix[i] &= 0x1FFFF; //mask bits to keep
     }
+}
 
     matrix_scan_quantum();
     return 1;
@@ -436,29 +418,37 @@ static void unselect_cols(void)
 
 // Complete rows from other modules over i2c
 i2c_status_t i2c_transaction(uint8_t address, uint32_t mask, uint8_t col_offset) {
-    i2c_status_t err = i2c_start((address << 1) | I2C_WRITE, 10);
-    i2c_write(0x01, 10); //request data in address 1
+    i2c_status_t status = i2c_start(address, 50);
+    if (status < 0) {
+        goto error;
+    }
 
-    i2c_start((address << 1) | I2C_READ, 5);
+    status = i2c_write(0x01, 50);
+    if (status < 0) {
+        goto error;
+    }
 
-    err = i2c_read_ack(10);
-    if (err == 0x55) { //synchronization byte
+    status = i2c_start(address | I2C_READ, 50);
 
-        for (uint8_t i = 0; i < MATRIX_ROWS-1 ; i++) { //assemble slave matrix in main matrix
-            matrix[i] &= mask; //mask bits to keep
-            err = i2c_read_ack(10);
-                matrix[i] |= ((uint32_t)err << (MATRIX_COLS_SCANNED + col_offset)); //add new bits at the end
-            }
-        //last read request must be followed by a NACK
-        matrix[MATRIX_ROWS - 1] &= mask; //mask bits to keep
-        err = i2c_read_nack(10);
-        matrix[MATRIX_ROWS - 1] |= ((uint32_t)err << (MATRIX_COLS_SCANNED + col_offset)); //add new bits at the end
+    status = i2c_read_ack(50);
+    if (status != 0x55) { //synchronization byte
+        goto error;
+    }
 
-    } else {
-        i2c_stop();
-        return 1;
+    for (uint8_t i = 0; i < MATRIX_ROWS-1 && status >= 0; i++) { //assemble slave matrix in main matrix
+        matrix[i] &= mask; //mask bits to keep
+        status = i2c_read_ack(50);
+            matrix[i] |= ((uint32_t)status << (MATRIX_COLS_SCANNED + col_offset)); //add new bits at the end
+        }
+    //last read request must be followed by a NACK
+    if (status >= 0) {
+        matrix[MATRIX_ROWS - 1] &= mask; //mask bits to keep
+        status = i2c_read_nack(50);
+        matrix[MATRIX_ROWS - 1] |= ((uint32_t)status << (MATRIX_COLS_SCANNED + col_offset)); //add new bits at the end
     }
 
+error:
     i2c_stop();
-    return 0;
+
+    return (status < 0) ? status : I2C_STATUS_SUCCESS;
 }
\ No newline at end of file
-- 
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