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-rw-r--r--src/stm/stm32l.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/stm/stm32l.h b/src/stm/stm32l.h
index 1d636037..5c0748a6 100644
--- a/src/stm/stm32l.h
+++ b/src/stm/stm32l.h
@@ -811,6 +811,24 @@ extern struct stm_lcd stm_lcd;
#define STM_LCD_CLR_UDDC (3)
#define STM_LCD_CLR_SOFC (1)
+/* The SYSTICK starts at 0xe000e010 */
+
+struct stm_systick {
+ vuint32_t csr;
+ vuint32_t rvr;
+ vuint32_t cvr;
+ vuint32_t calib;
+};
+
+extern struct stm_systick stm_systick;
+
+#define STM_SYSTICK_CSR_ENABLE 0
+#define STM_SYSTICK_CSR_TICKINT 1
+#define STM_SYSTICK_CSR_CLKSOURCE 2
+#define STM_SYSTICK_CSR_CLKSOURCE_HCLK_8 0
+#define STM_SYSTICK_CSR_CLKSOURCE_HCLK 1
+#define STM_SYSTICK_CSR_COUNTFLAG 16
+
/* The NVIC starts at 0xe000e100, so add that to the offsets to find the absolute address */
struct stm_nvic {