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add modbus slave support

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add modbus slave support
This commit is contained in:
Supowang1989
2020-02-24 21:40:06 +08:00
parent 79be128f5f
commit ef82dbfc6d
1129 changed files with 295648 additions and 1776 deletions
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18
board/ALIENTEK_EXPLORER_STM32F407ZGT6/BSP/Src/system_stm32f4xx.c
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@@ -169,24 +169,6 @@ void SystemInit(void)
#if (__FPU_PRESENT == 1) && (__FPU_USED == 1)
SCB->CPACR |= ((3UL << 10*2)|(3UL << 11*2)); /* set CP10 and CP11 Full Access */
#endif
/* Reset the RCC clock configuration to the default reset state ------------*/
/* Set HSION bit */
RCC->CR |= (uint32_t)0x00000001;
/* Reset CFGR register */
RCC->CFGR = 0x00000000;
/* Reset HSEON, CSSON and PLLON bits */
RCC->CR &= (uint32_t)0xFEF6FFFF;
/* Reset PLLCFGR register */
RCC->PLLCFGR = 0x24003010;
/* Reset HSEBYP bit */
RCC->CR &= (uint32_t)0xFFFBFFFF;
/* Disable all interrupts */
RCC->CIR = 0x00000000;
#if defined (DATA_IN_ExtSRAM) || defined (DATA_IN_ExtSDRAM)
SystemInit_ExtMemCtl();