LPC1700CMSIS Standard Peripheral Firmware Library: C:/nxpdrv/LPC1700CMSIS/Drivers/source/lpc17xx_nvic.c Source File

LPC1700CMSIS

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C:/nxpdrv/LPC1700CMSIS/Drivers/source/lpc17xx_nvic.c

00001 
00022 /* Peripheral group ----------------------------------------------------------- */
00027 /* Includes ------------------------------------------------------------------- */
00028 #include "lpc17xx_nvic.h"
00029 
00030 
00031 /* Private Macros ------------------------------------------------------------- */
00036 /* Vector table offset bit mask */
00037 #define NVIC_VTOR_MASK              0x3FFFFF80
00038 
00044 /* Public Functions ----------------------------------------------------------- */
00050 /*****************************************************************************/
00061 void NVIC_DeInit(void)
00062 {
00063         uint8_t tmp;
00064 
00065         /* Disable all interrupts */
00066         NVIC->ICER[0] = 0xFFFFFFFF;
00067         NVIC->ICER[1] = 0x00000001;
00068         /* Clear all pending interrupts */
00069         NVIC->ICPR[0] = 0xFFFFFFFF;
00070         NVIC->ICPR[1] = 0x00000001;
00071 
00072         /* Clear all interrupt priority */
00073         for (tmp = 0; tmp < 32; tmp++) {
00074                 NVIC->IP[tmp] = 0x00;
00075         }
00076 }
00077 
00078 /*****************************************************************************/
00096 void NVIC_SCBDeInit(void)
00097 {
00098         uint8_t tmp;
00099 
00100         SCB->ICSR = 0x0A000000;
00101         SCB->VTOR = 0x00000000;
00102         SCB->AIRCR = 0x05FA0000;
00103         SCB->SCR = 0x00000000;
00104         SCB->CCR = 0x00000000;
00105 
00106         for (tmp = 0; tmp < 32; tmp++) {
00107                 SCB->SHP[tmp] = 0x00;
00108         }
00109 
00110         SCB->SHCSR = 0x00000000;
00111         SCB->CFSR = 0xFFFFFFFF;
00112         SCB->HFSR = 0xFFFFFFFF;
00113         SCB->DFSR = 0xFFFFFFFF;
00114 }
00115 
00116 
00117 /*****************************************************************************/
00122 void NVIC_SetVTOR(uint32_t offset)
00123 {
00124         SCB->VTOR  = (offset & NVIC_VTOR_MASK);
00125 }
00126 
00135 /* --------------------------------- End Of File ------------------------------ */

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