RAMA M6-B and IS31FL3218 driver (#4021)

* Initial RAMA M6-B commit.

* Moved IS31FL3218 driver, minor cleanups

* Refactor, added dynamic keymap.

* Added dynamic keymaps to RAMA M6-A

* Refactor M6-A and M6-B to use common code.

* Formatting

* Cleanup

* Cleanup

* Changes from review

1 files changed, 230 insertions, 0 deletions

diff --git a/keyboards/rama/m6_b/m6_b.c b/keyboards/rama/m6_b/m6_b.c
new file mode 100644
index 0000000000..e7cd2f6287
--- /dev/null
+++ b/keyboards/rama/m6_b/m6_b.c
@@ -0,0 +1,230 @@
+/* Copyright 2018 Jason Williams (Wilba)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "m6_b.h"
+#include "m6_b_api.h"
+
+// Check that no backlight functions are called
+#if RGB_BACKLIGHT_ENABLED
+#include "rgb_backlight.h"
+#endif // RGB_BACKLIGHT_ENABLED
+
+#include "raw_hid.h"
+#include "dynamic_keymap.h"
+#include "timer.h"
+#include "tmk_core/common/eeprom.h"
+
+bool eeprom_is_valid(void)
+{
+	return (eeprom_read_word(((void*)EEPROM_MAGIC_ADDR)) == EEPROM_MAGIC &&
+			eeprom_read_byte(((void*)EEPROM_VERSION_ADDR)) == EEPROM_VERSION);
+}
+
+void eeprom_set_valid(bool valid)
+{
+	eeprom_update_word(((void*)EEPROM_MAGIC_ADDR), valid ? EEPROM_MAGIC : 0xFFFF);
+	eeprom_update_byte(((void*)EEPROM_VERSION_ADDR), valid ? EEPROM_VERSION : 0xFF);
+}
+
+void eeprom_reset(void)
+{
+	// Set the keyboard-specific EEPROM state as invalid.
+	eeprom_set_valid(false);
+	// Set the TMK/QMK EEPROM state as invalid.
+	eeconfig_disable();
+}
+
+#ifdef RAW_ENABLE
+
+void raw_hid_receive( uint8_t *data, uint8_t length )
+{
+	uint8_t *command_id = &(data[0]);
+	uint8_t *command_data = &(data[1]);
+	switch ( *command_id )
+	{
+		case id_get_protocol_version:
+		{
+			command_data[0] = PROTOCOL_VERSION >> 8;
+			command_data[1] = PROTOCOL_VERSION & 0xFF;
+			break;
+		}
+		case id_get_keyboard_value:
+		{
+			if ( command_data[0] == id_uptime )
+			{
+				uint32_t value = timer_read32();
+				command_data[1] = (value >> 24 ) & 0xFF;
+				command_data[2] = (value >> 16 ) & 0xFF;
+				command_data[3] = (value >> 8 ) & 0xFF;
+				command_data[4] = value & 0xFF;
+			}
+			else
+			{
+				*command_id = id_unhandled;
+			}
+			break;
+		}
+#ifdef DYNAMIC_KEYMAP_ENABLE
+		case id_dynamic_keymap_get_keycode:
+		{
+			uint16_t keycode = dynamic_keymap_get_keycode( command_data[0], command_data[1], command_data[2] );
+			command_data[3] = keycode >> 8;
+			command_data[4] = keycode & 0xFF;
+			break;
+		}
+		case id_dynamic_keymap_set_keycode:
+		{
+			dynamic_keymap_set_keycode( command_data[0], command_data[1], command_data[2], ( command_data[3] << 8 ) | command_data[4] );
+			break;
+		}
+		case id_dynamic_keymap_reset:
+		{
+			dynamic_keymap_reset();
+			break;
+		}
+#endif // DYNAMIC_KEYMAP_ENABLE
+#if RGB_BACKLIGHT_ENABLED
+		case id_backlight_config_set_value:
+		{
+			//backlight_config_set_value(command_data);
+			break;
+		}
+		case id_backlight_config_get_value:
+		{
+			//backlight_config_get_value(command_data);
+			break;
+		}
+		case id_backlight_config_save:
+		{
+			//backlight_config_save();
+			break;
+		}
+#endif // RGB_BACKLIGHT_ENABLED
+		case id_eeprom_reset:
+		{
+			eeprom_reset();
+			break;
+		}
+		case id_bootloader_jump:
+		{
+			// Need to send data back before the jump
+			// Informs host that the command is handled
+			raw_hid_send( data, length );
+			// Give host time to read it
+			wait_ms(100);
+			bootloader_jump();
+			break;
+		}
+		default:
+		{
+			// Unhandled message.
+			*command_id = id_unhandled;
+			break;
+		}
+	}
+
+	// Return same buffer with values changed
+	raw_hid_send( data, length );
+
+}
+
+#endif
+
+void main_init(void)
+{
+	// If the EEPROM has the magic, the data is good.
+	// OK to load from EEPROM.
+	if (eeprom_is_valid()) {
+#if RGB_BACKLIGHT_ENABLED
+		//backlight_config_load();
+#endif // RGB_BACKLIGHT_ENABLED
+	} else	{
+#if RGB_BACKLIGHT_ENABLED
+		// If the EEPROM has not been saved before, or is out of date,
+		// save the default values to the EEPROM. Default values
+		// come from construction of the zeal_backlight_config instance.
+		//backlight_config_save();
+#endif // RGB_BACKLIGHT_ENABLED
+#ifdef DYNAMIC_KEYMAP_ENABLE
+		// This resets the keymaps in EEPROM to what is in flash.
+		dynamic_keymap_reset();
+#endif
+		// Save the magic number last, in case saving was interrupted
+		eeprom_set_valid(true);
+	}
+#if RGB_BACKLIGHT_ENABLED
+	// Initialize LED drivers for backlight.
+	backlight_init_drivers();
+
+	backlight_timer_init();
+	backlight_timer_enable();
+#endif // RGB_BACKLIGHT_ENABLED
+}
+
+void bootmagic_lite(void)
+{
+	// The lite version of TMK's bootmagic.
+	// 100% less potential for accidentally making the
+	// keyboard do stupid things.
+
+	// We need multiple scans because debouncing can't be turned off.
+	matrix_scan();
+	wait_ms(DEBOUNCING_DELAY);
+	wait_ms(DEBOUNCING_DELAY);
+	matrix_scan();
+
+	// If the Esc (matrix 0,0) is held down on power up,
+	// reset the EEPROM valid state and jump to bootloader.
+	if ( matrix_get_row(0) & (1<<0) ) {
+		eeprom_reset();
+		bootloader_jump();
+	}
+}
+
+void matrix_init_kb(void) {
+	bootmagic_lite();
+	main_init();
+	matrix_init_user();
+}
+
+void matrix_scan_kb(void) {
+#if RGB_BACKLIGHT_ENABLED
+	// This only updates the LED driver buffers if something has changed.
+	backlight_update_pwm_buffers();
+#endif // BACKLIGHT_ENABLED
+	matrix_scan_user();
+}
+
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+	return process_record_user(keycode, record);
+}
+
+void led_set_kb(uint8_t usb_led) {
+	led_set_user(usb_led);
+}
+
+void suspend_power_down_kb(void)
+{
+#if RGB_BACKLIGHT_ENABLED
+	//backlight_set_suspend_state(true);
+#endif // BACKLIGHT_ENABLED
+}
+
+void suspend_wakeup_init_kb(void)
+{
+#if RGB_BACKLIGHT_ENABLED
+	//backlight_set_suspend_state(false);
+#endif // BACKLIGHT_ENABLED
+}