From 69e69cad3a4a50b0311e96edc4c8d5328cd31817 Mon Sep 17 00:00:00 2001
From: Eric Helgeson <erichelgeson@gmail.com>
Date: Wed, 18 May 2022 19:43:56 -0500
Subject: [PATCH] add support for the APM32F103C8T6 chip, a clone of the
 STM32F103

---
 platformio.ini | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/platformio.ini b/platformio.ini
index e068d79..59e82b5 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -29,6 +29,14 @@ board = genericSTM32F103C8
 board_build.mcu = stm32f103c8t6
 board_build.core = maple
 
+[env:APM32F103C8]
+# The APM32F1's default clock is 96MHz and runs unstable at 72MHz(STM32F1's default)
+extends = env:STM32F103C8
+# Explicilty define the multiplier as maple only handles a few cases.
+build_flags = ${env.build_flags} -DBOARD_RCC_PLLMUL=RCC_PLLMUL_12 #96000000L
+# Or go all out at 128Mhz, your call :)
+#board_build.f_cpu = 128000000L
+
 [env:STM32F103C8-XCVR]
 extends = env:STM32F103C8
 build_flags = ${env.build_flags} -DXCVR