我只用了十分钟：将RT-Thread移植到了新唐新款单片机上

void SYS_Init(void){ /* Unlock protected registers */ SYS_UnlockReg();
 /* Enable HIRC clock (Internal RC 48MHz) */ CLK_EnableXtalRC(CLK_PWRCTL_HIRCEN_Msk);
 /* Wait for HIRC clock ready */ CLK_WaitClockReady(CLK_STATUS_HIRCSTB_Msk);
 /* Select HCLK clock source as HIRC and HCLK source divider as 1 */ CLK_SetHCLK(CLK_CLKSEL0_HCLKSEL_HIRC, CLK_CLKDIV0_HCLK(1));
 /* Enable UART0 clock */ CLK_EnableModuleClock(UART0_MODULE);
 /* Switch UART0 clock source to HIRC */ CLK_SetModuleClock(UART0_MODULE, CLK_CLKSEL1_UART0SEL_HIRC, CLK_CLKDIV0_UART0(1));
 /* Update System Core Clock */ SystemCoreClockUpdate();
 /* Set PB multi-function pins for UART0 RXD=PB.6 and TXD=PB.4 */ SYS->GPB_MFP1 = (SYS->GPB_MFP1 & ~(SYS_GPB_MFP1_PB4MFP_Msk | SYS_GPB_MFP1_PB6MFP_Msk)) | \ (SYS_GPB_MFP1_PB4MFP_UART0_TXD | SYS_GPB_MFP1_PB6MFP_UART0_RXD);
 /* Lock protected registers */ SYS_LockReg();
 UART_Open(UART0, 115200);}

void rt_hw_console_output(const char *str){ printf("%s",str);}
char rt_hw_console_getchar(void){return getchar();}

#include <stdio.h>#include "NuMicro.h"#include <rtthread.h>
int main(void){ return 0;}