1 files changed, 63 insertions, 0 deletions
diff --git a/ui.c b/ui.c
new file mode 100644
index 0000000..6b63a86
--- /dev/null
+++ b/ui.c
@@ -0,0 +1,63 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "data_manager.h"
+#include "display.h"
+#include "util.h"
+#include "ui.h"
+
+void ui_init(struct ui_ctx *ui, struct display *display)
+{
+	ui->display = display;
+	ui->display->init();
+	ui->display->clear();
+}
+
+void ui_update(struct ui_ctx *ui, struct data_ctx *dctx)
+{
+	char line[LCD_WIDTH+1];
+	//if (rate_m_s < 0) {
+	//	rate_sym = C_DESC;
+	//} else if (rate_m_s == 0) {
+	//	rate_sym = C_IDLE;
+	//} else {
+	//	rate_sym = C_ASC;
+	//}
+	//DEBUG_MARK_5_CLEAR;
+
+	/* FIXME these are missing from the data context, dummy values to test */
+	float rate_m_s = 1.2;
+	char rate_sym = '\0';
+	if (rate_m_s < 0) {
+		rate_sym = C_DESC;
+	} else if (rate_m_s == 0) {
+		rate_sym = C_IDLE;
+	} else {
+		rate_sym = C_ASC;
+	}
+
+	/* line 1 */
+	snprintf(line, sizeof(line), "%.1f m %c%d m/s", dctx->altitude, rate_sym, abs(rate_m_s));
+	blank_to_eol(line, sizeof(line));
+	ui->display->set_cursor(0, 0);
+	ui->display->write(line);
+
+
+	/* line 2 */
+	snprintf(line, sizeof(line), "%.2f hPa", dctx->pressure);
+	blank_to_eol(line, sizeof(line));
+	ui->display->set_cursor(0, 1);
+	ui->display->write(line);
+
+	/* line 3 */
+	snprintf(line, sizeof(line), "SET %.2f hPa", dctx->setting);
+	blank_to_eol(line, sizeof(line));
+	ui->display->set_cursor(0, 2);
+	ui->display->write(line);
+
+	/* line 4 */
+	snprintf(line, sizeof(line), "%.1f ""\xdf""C", 12.3f);
+	blank_to_eol(line, sizeof(line));
+	ui->display->set_cursor(0, 3);
+	ui->display->write(line);
+}