stm32: add blues wireless swan

2026-08-10 22:13:39 +00:00 · 2022-01-09 17:03:04 +00:00
parent 21c76c0cb0
commit 14ce531498
11 changed files with 421 additions and 249 deletions
@@ -0,0 +1,29 @@
+//go:build stm32 && stm32l4x5
+// +build stm32,stm32l4x5
+
+package runtime
+
+import (
+	"device/stm32"
+)
+
+/*
+   clock settings
+   +-------------+-----------+
+   | LSE         | 32.768khz |
+   | SYSCLK      | 120mhz    |
+   | HCLK        | 120mhz    |
+   | APB1(PCLK1) | 120mhz    |
+   | APB2(PCLK2) | 120mhz    |
+   +-------------+-----------+
+*/
+const (
+	HSE_STARTUP_TIMEOUT = 0x0500
+	PLL_M               = 1
+	PLL_N               = 60
+	PLL_P               = RCC_PLLP_DIV2
+	PLL_Q               = RCC_PLLQ_DIV2
+	PLL_R               = RCC_PLLR_DIV2
+
+	MSIRANGE = stm32.RCC_CR_MSIRANGE_Range4M
+)