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WCH CH569W-R0-1v0 evt board bsp port, first version (#6167)

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WCH CH569W-R0-1v0 evt board bsp port, first version

dev/test under Ubuntu 20.04
toolchain from MounRiver_Studio_Community_Linux_x64_V120

tested drivers : SysTick, gpio, gpio interrupt, uart1 (RX interrupt, TX polling)

libcpu/risc-v/SConscript :
group includes rtconfig.CPU only if folder exists

libcpu/risc-v/common/cpuport.c/rt_hw_context_switch_interrupt() :
make it RT_WEAK for customization
This commit is contained in:
emuzit
2022-07-30 02:10:51 -04:00
committed by GitHub
parent 226b3e1979
commit c802fcdcf8
33 changed files with 5085 additions and 3 deletions
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libcpu/risc-v/common/cpuport.c
+1 -1
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@@ -138,7 +138,7 @@ rt_uint8_t *rt_hw_stack_init(void *tentry,
* #endif
*/
#ifndef RT_USING_SMP
void rt_hw_context_switch_interrupt(rt_ubase_t from, rt_ubase_t to)
RT_WEAK void rt_hw_context_switch_interrupt(rt_ubase_t from, rt_ubase_t to)
{
if (rt_thread_switch_interrupt_flag == 0)
rt_interrupt_from_thread = from;