rp2040

commit ce03f9f733ec6ec8fe6c43ca89b292783dae0f85
parent bc1e6dcad3f3dac3acb8453430432ced14f887d6
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Tue, 27 Feb 2024 07:51:13 +0900

I think the timer is driven by rosc

Diffstat:
M
ex3/main.s
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/ex3/main.s b/ex3/main.s
@@ -84,6 +84,11 @@ wait_vco:
 	lsl r0, r0, #11
 	str r0, [r3, #0x48] // CLOCKS: CLK_PERI_CTRL
 
+	// disable rosc
+	ldr r3, rosc_base
+	ldr r0, =0xd1e000
+	str r0, [r3, #0] // ROSC: CTRL
+
 	// setup uart0
 	ldr r3, uart0_base
 	// set baudrate 115200