adds timeout to avr i2c

3 files changed, 50 insertions, 42 deletions

diff --git a/quantum/quantum.c b/quantum/quantum.c
index cfa3df741..5abd222d1 100644
--- a/quantum/quantum.c
+++ b/quantum/quantum.c
@@ -854,7 +854,7 @@ void matrix_init_quantum() {
     audio_init();
   #endif
   #ifdef RGB_MATRIX_ENABLE
-    rgb_matrix_init_drivers();
+    rgb_matrix_init();
   #endif
   matrix_init_kb();
 }
diff --git a/quantum/rgb_matrix.c b/quantum/rgb_matrix.c
index 8c41fc54d..d71283f7c 100644
--- a/quantum/rgb_matrix.c
+++ b/quantum/rgb_matrix.c
@@ -101,10 +101,14 @@ void map_row_column_to_led( uint8_t row, uint8_t column, uint8_t *led_i, uint8_t
     }
 }
 
-
 void rgb_matrix_update_pwm_buffers(void) {
-    IS31FL3731_update_pwm_buffers( DRIVER_ADDR_1, DRIVER_ADDR_2 );
-    IS31FL3731_update_led_control_registers( DRIVER_ADDR_1, DRIVER_ADDR_2 );
+    uint8_t ret = IS31FL3731_update_pwm_buffers( DRIVER_ADDR_1, DRIVER_ADDR_2 );
+    ret |= IS31FL3731_update_led_control_registers( DRIVER_ADDR_1, DRIVER_ADDR_2 );
+    if (ret == 2) {
+      wait_ms(1000);
+      i2c_stop();
+      rgb_matrix_setup_drivers();
+    }
 }
 
 void rgb_matrix_set_color( int index, uint8_t red, uint8_t green, uint8_t blue ) {
@@ -115,7 +119,6 @@ void rgb_matrix_set_color_all( uint8_t red, uint8_t green, uint8_t blue ) {
     IS31FL3731_set_color_all( red, green, blue );
 }
 
-
 bool process_rgb_matrix(uint16_t keycode, keyrecord_t *record) {
     if ( record->event.pressed ) {
         uint8_t led[8], led_count;
@@ -218,7 +221,7 @@ void rgb_matrix_single_LED_test(void) {
 }
 
 // All LEDs off
-void rgb_matrix_all_off(void) { 
+void rgb_matrix_all_off(void) {
     rgb_matrix_set_color_all( 0, 0, 0 );
 }
 
@@ -244,7 +247,7 @@ void rgb_matrix_solid_reactive(void) {
 
 // alphas = color1, mods = color2
 void rgb_matrix_alphas_mods(void) {
- 
+
     RGB rgb1 = hsv_to_rgb( (HSV){ .h = rgb_matrix_config.hue, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val } );
     RGB rgb2 = hsv_to_rgb( (HSV){ .h = (rgb_matrix_config.hue + 180) % 360, .s = rgb_matrix_config.sat, .v = rgb_matrix_config.val } );
 
@@ -722,40 +725,44 @@ void rgb_matrix_indicators_user(void) {}
 //  }
 // }
 
-void rgb_matrix_init_drivers(void) {
-    // Initialize TWI
-    i2c_init();
-    IS31FL3731_init( DRIVER_ADDR_1 );
-    IS31FL3731_init( DRIVER_ADDR_2 );
-
-    for ( int index = 0; index < DRIVER_LED_TOTAL; index++ ) {
-        bool enabled = true;
-        // This only caches it for later
-        IS31FL3731_set_led_control_register( index, enabled, enabled, enabled );
-    }
-    // This actually updates the LED drivers
-    IS31FL3731_update_led_control_registers( DRIVER_ADDR_1, DRIVER_ADDR_2 );
-
-    // TODO: put the 1 second startup delay here?
-
-    // clear the key hits
-    for ( int led=0; led<DRIVER_LED_TOTAL; led++ ) {
-        g_key_hit[led] = 255;
-    }
-
-
-    if (!eeconfig_is_enabled()) {
-        dprintf("rgb_matrix_init_drivers eeconfig is not enabled.\n");
-        eeconfig_init();
-        eeconfig_update_rgb_matrix_default();
-    }
-    rgb_matrix_config.raw = eeconfig_read_rgb_matrix();
-    if (!rgb_matrix_config.mode) {
-        dprintf("rgb_matrix_init_drivers rgb_matrix_config.mode = 0. Write default values to EEPROM.\n");
-        eeconfig_update_rgb_matrix_default();
-        rgb_matrix_config.raw = eeconfig_read_rgb_matrix();
-    }
-    eeconfig_debug_rgb_matrix(); // display current eeprom values
+void rgb_matrix_init(void) {
+  rgb_matrix_setup_drivers();
+
+  // TODO: put the 1 second startup delay here?
+
+  // clear the key hits
+  for ( int led=0; led<DRIVER_LED_TOTAL; led++ ) {
+      g_key_hit[led] = 255;
+  }
+
+
+  if (!eeconfig_is_enabled()) {
+      dprintf("rgb_matrix_init_drivers eeconfig is not enabled.\n");
+      eeconfig_init();
+      eeconfig_update_rgb_matrix_default();
+  }
+  rgb_matrix_config.raw = eeconfig_read_rgb_matrix();
+  if (!rgb_matrix_config.mode) {
+      dprintf("rgb_matrix_init_drivers rgb_matrix_config.mode = 0. Write default values to EEPROM.\n");
+      eeconfig_update_rgb_matrix_default();
+      rgb_matrix_config.raw = eeconfig_read_rgb_matrix();
+  }
+  eeconfig_debug_rgb_matrix(); // display current eeprom values
+}
+
+void rgb_matrix_setup_drivers(void) {
+  // Initialize TWI
+  i2c_init();
+  IS31FL3731_init( DRIVER_ADDR_1 );
+  IS31FL3731_init( DRIVER_ADDR_2 );
+
+  for ( int index = 0; index < DRIVER_LED_TOTAL; index++ ) {
+    bool enabled = true;
+    // This only caches it for later
+    IS31FL3731_set_led_control_register( index, enabled, enabled, enabled );
+  }
+  // This actually updates the LED drivers
+  IS31FL3731_update_led_control_registers( DRIVER_ADDR_1, DRIVER_ADDR_2 );
 }
 
 // Deals with the messy details of incrementing an integer
diff --git a/quantum/rgb_matrix.h b/quantum/rgb_matrix.h
index aaa85d5f5..576931400 100644
--- a/quantum/rgb_matrix.h
+++ b/quantum/rgb_matrix.h
@@ -95,7 +95,8 @@ void rgb_matrix_indicators_user(void);
 
 void rgb_matrix_single_LED_test(void);
 
-void rgb_matrix_init_drivers(void);
+void rgb_matrix_init(void);
+void rgb_matrix_setup_drivers(void);
 
 void rgb_matrix_set_suspend_state(bool state);
 void rgb_matrix_set_indicator_state(uint8_t state);