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-rw-r--r--src/stmf0/ao_arch.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/src/stmf0/ao_arch.h b/src/stmf0/ao_arch.h
index c5f451f5..5c5085d9 100644
--- a/src/stmf0/ao_arch.h
+++ b/src/stmf0/ao_arch.h
@@ -94,12 +94,17 @@ extern const uint32_t ao_radio_cal;
* For the stm32f042, we want to use the USB-based HSI48 clock
*/
-#if AO_HSI48
+#ifndef AO_SYSCLK
+#if AO_HSI
+#define AO_SYSCLK STM_HSI_FREQ
+#endif
+#if AO_HSI48
#define AO_SYSCLK 48000000
-#define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
-
#endif
+#endif
+
+#define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
#if AO_HSE || AO_HSI
@@ -150,7 +155,9 @@ ao_adc_init();
#if HAS_BOOT_LOADER
#define AO_BOOT_APPLICATION_BASE ((uint32_t *) 0x08001000)
+#ifndef AO_BOOT_APPLICATION_BOUND
#define AO_BOOT_APPLICATION_BOUND ((uint32_t *) (0x08000000 + stm_flash_size()))
+#endif
#define AO_BOOT_LOADER_BASE ((uint32_t *) 0x08000000)
#endif