1 files changed, 50 insertions, 0 deletions
diff --git a/contrib/firmware/angie/c/include/delay.h b/contrib/firmware/angie/c/include/delay.h
new file mode 100644
index 0000000..0397941
--- /dev/null
+++ b/contrib/firmware/angie/c/include/delay.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/****************************************************************
+    File : delay.h                                              *
+    Contents : Delays handling header file for NanoXplore       *
+    USB-JTAG ANGIE adapter hardware.                            *
+    Based on openULINK project code by: Martin Schmoelzer.      *
+    Copyright 2023, Ahmed Errached BOUDJELIDA, NanoXplore SAS.  *
+    <aboudjelida@nanoxplore.com>                                *
+    <ahmederrachedbjld@gmail.com>                               *
+*****************************************************************/
+
+#ifndef __DELAY_H
+#define __DELAY_H
+
+#include <stdint.h>
+
+void syncdelay(uint8_t count);
+void delay_5us(void);
+void delay_1ms(void);
+void delay_us(uint16_t delay);
+void delay_ms(uint16_t delay);
+
+#ifndef _IFREQ
+#define _IFREQ 48000   /* IFCLK frequency in kHz */
+#endif
+
+/* CFREQ can be any one of: 48000, 24000, or 12000 */
+#ifndef _CFREQ
+#define _CFREQ 48000   /* CLKOUT frequency in kHz */
+#endif
+
+#if (_IFREQ < 5000)
+#error "_IFREQ too small!  Valid Range: 5000 to 48000..."
+#endif
+
+#if (_IFREQ > 48000)
+#error "_IFREQ too large!  Valid Range: 5000 to 48000..."
+#endif
+
+#if (_CFREQ != 48000)
+#if (_CFREQ != 24000)
+#if (_CFREQ != 12000)
+#error "_CFREQ invalid!  Valid values: 48000, 24000, 12000..."
+#endif
+#endif
+#endif
+
+/* Synchronization Delay formula: see TRM section 15-14 */
+#define _SCYCL (3 * (_CFREQ) + 5 * (_IFREQ) - 1) / (2 * (_IFREQ))
+#endif