*
* 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; version 2 of the License.
+ * 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
#include <ao_flash_pins.h>
+#ifndef AO_PLLMUL
+
+#if AO_HSE == 8000000
+
/* PLLVCO = 96MHz (so that USB will work) */
#define AO_PLLMUL 12
#define AO_RCC_CFGR_PLLMUL (STM_RCC_CFGR_PLLMUL_12)
#define AO_PLLDIV 3
#define AO_RCC_CFGR_PLLDIV (STM_RCC_CFGR_PLLDIV_3)
+#endif
+
+#if AO_HSE == 16000000
+
+/* PLLVCO = 96MHz (so that USB will work) */
+#define AO_PLLMUL 6
+#define AO_RCC_CFGR_PLLMUL (STM_RCC_CFGR_PLLMUL_6)
+
+/* SYSCLK = 32MHz */
+#define AO_PLLDIV 3
+#define AO_RCC_CFGR_PLLDIV (STM_RCC_CFGR_PLLDIV_3)
+
+#endif
+
+#endif
+
/* HCLK = 32MHZ (CPU clock) */
#define AO_AHB_PRESCALER 1
#define AO_RCC_CFGR_HPRE_DIV STM_RCC_CFGR_HPRE_DIV_1