driver/fw: I2C LCD working

1 files changed, 58 insertions, 0 deletions

diff --git a/driver_fw/global.h b/driver_fw/global.h
new file mode 100644
index 0000000..4753543
--- /dev/null
+++ b/driver_fw/global.h
@@ -0,0 +1,58 @@
+/* Megumin LED display firmware
+ * Copyright (C) 2018 Sebastian Götte <code@jaseg.net>
+ * 
+ * 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 3 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/>.
+ */
+
+#ifndef __GLOBAL_H__
+#define __GLOBAL_H__
+
+/* Workaround for sub-par ST libraries */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#include <stm32f0xx.h>
+#include <stm32f0xx_ll_utils.h>
+#include <stm32f0xx_ll_spi.h>
+#pragma GCC diagnostic pop
+
+#include <system_stm32f0xx.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+#include <unistd.h>
+
+/* Microcontroller part number: STM32F030F4P6 */
+
+/* Things used for module status reporting. */
+#define FIRMWARE_VERSION 1
+#define HARDWARE_VERSION 3
+
+#define TS_CAL1 (*(uint16_t *)0x1FFFF7B8)
+#define VREFINT_CAL (*(uint16_t *)0x1FFFF7BA)
+
+#define STATUS_LED_DURATION_MS 200
+#define TICK_MS 10
+
+extern volatile unsigned int sys_time_tick;
+extern volatile unsigned int sys_time_ms;
+extern volatile unsigned int sys_time_s;
+extern unsigned int frame_duration_us;
+
+extern volatile uint8_t global_brightness;
+
+void trigger_error_led(void);
+void trigger_comm_led(void);
+
+#endif/*__GLOBAL_H__*/