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- #include "hw_ints.h"
- #include "hw_sys_ctrl.h"
- #include "hw_flash_ctrl.h"
- #include "hw_nvic.h"
- #include "cpu.h"
- #include "debug.h"
- #include "interrupt.h"
- #include "sys_ctrl.h"
- static const uint32_t g_pui32RCGCRegs[] =
- {
- SYS_CTRL_RCGCGPT,
- SYS_CTRL_RCGCSSI,
- SYS_CTRL_RCGCUART,
- SYS_CTRL_RCGCI2C,
- SYS_CTRL_RCGCSEC,
- SYS_CTRL_RCGCRFC
- };
- static const uint32_t g_pui32SCGCRegs[] =
- {
- SYS_CTRL_SCGCGPT,
- SYS_CTRL_SCGCSSI,
- SYS_CTRL_SCGCUART,
- SYS_CTRL_SCGCI2C,
- SYS_CTRL_SCGCSEC,
- SYS_CTRL_SCGCRFC
- };
- static const uint32_t g_pui32DCGCRegs[] =
- {
- SYS_CTRL_DCGCGPT,
- SYS_CTRL_DCGCSSI,
- SYS_CTRL_DCGCUART,
- SYS_CTRL_DCGCI2C,
- SYS_CTRL_DCGCSEC,
- SYS_CTRL_DCGCRFC
- };
- static const uint32_t g_pui32SRRegs[] =
- {
- SYS_CTRL_SRGPT,
- SYS_CTRL_SRSSI,
- SYS_CTRL_SRUART,
- SYS_CTRL_SRI2C,
- SYS_CTRL_SRSEC,
- };
- static const uint32_t g_pui32DieCfgMask[] =
- {
- FLASH_CTRL_DIECFG1_GPTM0_EN,
- FLASH_CTRL_DIECFG1_SSI0_EN,
- FLASH_CTRL_DIECFG1_UART0_EN,
- FLASH_CTRL_DIECFG1_I2C_EN,
- FLASH_CTRL_DIECFG2_PKA_EN,
- FLASH_CTRL_DIECFG2_RF_CORE_EN
- };
- #define SYS_CTRL_PERIPH_INDEX(a) (((a) >> 8) & 0xf)
- #define SYS_CTRL_PERIPH_MASKBIT(a) (0x00000001 << ((a) & 0xf))
- #define SYS_CTRL_PERIPH_INSTANCE(a) ((a) & 0xf)
- #ifdef ENABLE_ASSERT
- static bool
- SysCtrlPeripheralValid(uint32_t ui32Peripheral)
- {
- return((ui32Peripheral == SYS_CTRL_PERIPH_GPT0) ||
- (ui32Peripheral == SYS_CTRL_PERIPH_GPT1) ||
- (ui32Peripheral == SYS_CTRL_PERIPH_GPT2) ||
- (ui32Peripheral == SYS_CTRL_PERIPH_GPT3) ||
- (ui32Peripheral == SYS_CTRL_PERIPH_SSI0) ||
- (ui32Peripheral == SYS_CTRL_PERIPH_SSI1) ||
- (ui32Peripheral == SYS_CTRL_PERIPH_UART0) ||
- (ui32Peripheral == SYS_CTRL_PERIPH_UART1) ||
- (ui32Peripheral == SYS_CTRL_PERIPH_I2C) ||
- (ui32Peripheral == SYS_CTRL_PERIPH_PKA) ||
- (ui32Peripheral == SYS_CTRL_PERIPH_AES) ||
- (ui32Peripheral == SYS_CTRL_PERIPH_RFC));
- }
- #endif
- void
- SysCtrlClockSet(bool bExternalOsc32k, bool bInternalOsc,
- uint32_t ui32SysDiv)
- {
- uint32_t ui32STA;
- uint32_t ui32Reg;
- uint32_t ui32TimeoutVal;
- uint32_t ui32Osc;
-
- ASSERT((ui32SysDiv == SYS_CTRL_SYSDIV_32MHZ ||
- ui32SysDiv == SYS_CTRL_SYSDIV_16MHZ ||
- ui32SysDiv == SYS_CTRL_SYSDIV_8MHZ ||
- ui32SysDiv == SYS_CTRL_SYSDIV_4MHZ ||
- ui32SysDiv == SYS_CTRL_SYSDIV_2MHZ ||
- ui32SysDiv == SYS_CTRL_SYSDIV_1MHZ ||
- ui32SysDiv == SYS_CTRL_SYSDIV_500KHZ ||
- ui32SysDiv == SYS_CTRL_SYSDIV_250KHZ) &&
- !((ui32SysDiv == SYS_CTRL_SYSDIV_32MHZ) && bInternalOsc));
-
-
-
- if(!bInternalOsc)
- {
- ui32Reg = HWREG(SYS_CTRL_CLOCK_CTRL) | SYS_CTRL_CLOCK_CTRL_AMP_DET;
- HWREG(SYS_CTRL_CLOCK_CTRL) = ui32Reg;
- }
-
-
-
- ui32Reg = HWREG(SYS_CTRL_CLOCK_CTRL);
- ui32Reg &= ~(SYS_CTRL_CLOCK_CTRL_OSC32K | SYS_CTRL_CLOCK_CTRL_OSC |
- SYS_CTRL_CLOCK_CTRL_SYS_DIV_M);
- if(!bExternalOsc32k)
- {
- ui32Reg |= SYS_CTRL_CLOCK_CTRL_OSC32K;
- }
- ui32Osc = bInternalOsc ? SYS_CTRL_CLOCK_CTRL_OSC : 0;
- ui32Reg |= ui32Osc;
- ui32Reg |= ui32SysDiv;
- HWREG(SYS_CTRL_CLOCK_CTRL) = ui32Reg;
-
-
-
-
-
-
- ui32STA = HWREG(SYS_CTRL_CLOCK_STA);
- ui32TimeoutVal = 0;
- while((ui32Osc != (ui32STA & SYS_CTRL_CLOCK_CTRL_OSC)) &&
- (ui32TimeoutVal < SYS_CTRL_TIMEOUT))
- {
- SysCtrlDelay(16);
- ui32STA = HWREG(SYS_CTRL_CLOCK_STA);
- ui32TimeoutVal++;
- }
- ASSERT(ui32TimeoutVal < SYS_CTRL_TIMEOUT);
- }
- uint32_t
- SysCtrlClockGet(void)
- {
- uint32_t ui32Clk;
- uint32_t ui32STA;
- uint32_t ui32SysDiv;
- ui32STA = HWREG(SYS_CTRL_CLOCK_STA);
- ui32SysDiv =
- (ui32STA & SYS_CTRL_CLOCK_STA_SYS_DIV_M) >> SYS_CTRL_CLOCK_STA_SYS_DIV_S;
- ui32Clk = 0;
- switch(ui32SysDiv)
- {
- case SYS_CTRL_SYSDIV_32MHZ:
- ui32Clk = SYS_CTRL_32MHZ;
- break;
- case SYS_CTRL_SYSDIV_16MHZ:
- ui32Clk = SYS_CTRL_16MHZ;
- break;
- case SYS_CTRL_SYSDIV_8MHZ:
- ui32Clk = SYS_CTRL_8MHZ;
- break;
- case SYS_CTRL_SYSDIV_4MHZ:
- ui32Clk = SYS_CTRL_4MHZ;
- break;
- case SYS_CTRL_SYSDIV_2MHZ:
- ui32Clk = SYS_CTRL_2MHZ;
- break;
- case SYS_CTRL_SYSDIV_1MHZ:
- ui32Clk = SYS_CTRL_1MHZ;
- break;
- case SYS_CTRL_SYSDIV_500KHZ:
- ui32Clk = SYS_CTRL_500KHZ;
- break;
- case SYS_CTRL_SYSDIV_250KHZ:
- ui32Clk = SYS_CTRL_250KHZ;
- break;
- }
-
-
-
- return(ui32Clk);
- }
- void
- SysCtrlIOClockSet(uint32_t ui32IODiv)
- {
- uint32_t ui32RegVal;
-
- ASSERT(ui32IODiv == SYS_CTRL_SYSDIV_32MHZ ||
- ui32IODiv == SYS_CTRL_SYSDIV_16MHZ ||
- ui32IODiv == SYS_CTRL_SYSDIV_8MHZ ||
- ui32IODiv == SYS_CTRL_SYSDIV_4MHZ ||
- ui32IODiv == SYS_CTRL_SYSDIV_2MHZ ||
- ui32IODiv == SYS_CTRL_SYSDIV_1MHZ ||
- ui32IODiv == SYS_CTRL_SYSDIV_500KHZ ||
- ui32IODiv == SYS_CTRL_SYSDIV_250KHZ);
- ui32RegVal = HWREG(SYS_CTRL_CLOCK_CTRL);
- ui32RegVal &= ~SYS_CTRL_CLOCK_CTRL_IO_DIV_M;
- ui32RegVal |= (ui32IODiv << SYS_CTRL_CLOCK_CTRL_IO_DIV_S);
- HWREG(SYS_CTRL_CLOCK_CTRL) = ui32RegVal;
- }
- uint32_t
- SysCtrlIOClockGet(void)
- {
- uint32_t ui32Clk;
- uint32_t ui32STA;
- uint32_t ui32IODiv;
- ui32STA = HWREG(SYS_CTRL_CLOCK_STA);
- ui32IODiv =
- (ui32STA & SYS_CTRL_CLOCK_STA_IO_DIV_M) >> SYS_CTRL_CLOCK_STA_IO_DIV_S;
- ui32Clk = 0;
- switch(ui32IODiv)
- {
- case SYS_CTRL_SYSDIV_32MHZ:
- ui32Clk = SYS_CTRL_32MHZ;
- break;
- case SYS_CTRL_SYSDIV_16MHZ:
- ui32Clk = SYS_CTRL_16MHZ;
- break;
- case SYS_CTRL_SYSDIV_8MHZ:
- ui32Clk = SYS_CTRL_8MHZ;
- break;
- case SYS_CTRL_SYSDIV_4MHZ:
- ui32Clk = SYS_CTRL_4MHZ;
- break;
- case SYS_CTRL_SYSDIV_2MHZ:
- ui32Clk = SYS_CTRL_2MHZ;
- break;
- case SYS_CTRL_SYSDIV_1MHZ:
- ui32Clk = SYS_CTRL_1MHZ;
- break;
- case SYS_CTRL_SYSDIV_500KHZ:
- ui32Clk = SYS_CTRL_500KHZ;
- break;
- case SYS_CTRL_SYSDIV_250KHZ:
- ui32Clk = SYS_CTRL_250KHZ;
- break;
- }
-
-
-
- return(ui32Clk);
- }
- #if defined(__ICCARM__) || defined(DOXYGEN)
- void
- SysCtrlDelay(uint32_t ui32Count)
- {
- __asm(" subs r0, #1\n"
- " bne.n SysCtrlDelay\n"
- " bx lr");
- }
- #endif
- #if defined(__GNUC__)
- void __attribute__((naked))
- SysCtrlDelay(uint32_t ui32Count)
- {
- __asm(" subs r0, #1\n"
- " bne SysCtrlDelay\n"
- " bx lr");
- }
- #endif
- #if defined(__KEIL__) || defined(__ARMCC_VERSION)
- __asm void
- SysCtrlDelay(uint32_t ui32Count)
- {
- subs r0, #1;
- bne SysCtrlDelay;
- bx lr;
- }
- #endif
- #if defined(__TI_COMPILER_VERSION__)
- __asm(" .sect \".text:SysCtrlDelay\"\n"
- " .clink\n"
- " .thumbfunc SysCtrlDelay\n"
- " .thumb\n"
- " .global SysCtrlDelay\n"
- "SysCtrlDelay:\n"
- " subs r0, #1\n"
- " bne.n SysCtrlDelay\n"
- " bx lr\n");
- #endif
- void
- SysCtrlReset(void)
- {
-
-
-
-
- HWREG(SYS_CTRL_PWRDBG) = SYS_CTRL_PWRDBG_FORCE_WARM_RESET;
-
-
-
-
- while(1)
- {
- }
- }
- void
- SysCtrlSleep(void)
- {
-
-
-
- CPUwfi();
- }
- void
- SysCtrlDeepSleep(void)
- {
- #ifndef NO_CLOCK_DIVIDER_RESTORE
- bool bRestoreSys;
- bool bRestoreIO;
- uint32_t ui32Reg;
- ui32Reg = HWREG(SYS_CTRL_CLOCK_STA);
- bRestoreSys = (ui32Reg & SYS_CTRL_CLOCK_STA_SYS_DIV_M)==0;
- bRestoreIO = (ui32Reg & SYS_CTRL_CLOCK_STA_IO_DIV_M)==0;
- if(bRestoreSys || bRestoreIO)
- {
- ui32Reg = HWREG(SYS_CTRL_CLOCK_CTRL);
- ui32Reg |= bRestoreSys? 0x1:0x0;
- ui32Reg |= bRestoreIO? 0x100:0x0;
- HWREG(SYS_CTRL_CLOCK_CTRL) = ui32Reg;
- }
- #endif
-
-
-
-
- HWREG(NVIC_SYS_CTRL) |= NVIC_SYS_CTRL_SLEEPDEEP;
-
-
-
- CPUwfi();
-
-
-
- HWREG(NVIC_SYS_CTRL) &= ~(NVIC_SYS_CTRL_SLEEPDEEP);
- #ifndef NO_CLOCK_DIVIDER_RESTORE
- if(bRestoreSys || bRestoreIO)
- {
- ui32Reg = HWREG(SYS_CTRL_CLOCK_CTRL);
- ui32Reg &= bRestoreSys ? ~SYS_CTRL_CLOCK_CTRL_SYS_DIV_M : 0xffffffff;
- ui32Reg &= bRestoreIO ? ~SYS_CTRL_CLOCK_CTRL_IO_DIV_M : 0xffffffff;
- HWREG(SYS_CTRL_CLOCK_CTRL) = ui32Reg;
- }
- #endif
- }
- bool
- SysCtrlPeripheralPresent(uint32_t ui32Peripheral)
- {
- uint32_t ui32DieCfg;
- uint32_t ui32Mask;
-
- ASSERT(SysCtrlPeripheralValid(ui32Peripheral));
- if(SYS_CTRL_PERIPH_INDEX(ui32Peripheral) ==
- SYS_CTRL_PERIPH_INDEX(SYS_CTRL_PERIPH_PKA) ||
- SYS_CTRL_PERIPH_INDEX(ui32Peripheral) ==
- SYS_CTRL_PERIPH_INDEX(SYS_CTRL_PERIPH_AES) ||
- SYS_CTRL_PERIPH_INDEX(ui32Peripheral) ==
- SYS_CTRL_PERIPH_INDEX(SYS_CTRL_PERIPH_RFC))
- {
- ui32DieCfg = HWREG(FLASH_CTRL_DIECFG2);
- }
- else
- {
- ui32DieCfg = HWREG(FLASH_CTRL_DIECFG1);
- }
- ui32Mask = (g_pui32DieCfgMask[SYS_CTRL_PERIPH_INDEX(ui32Peripheral)] <<
- SYS_CTRL_PERIPH_INSTANCE(ui32Peripheral));
-
-
- if(ui32DieCfg & ui32Mask)
- {
- return(true);
- }
- else
- {
- return(false);
- }
- }
- void
- SysCtrlPeripheralReset(uint32_t ui32Peripheral)
- {
- volatile uint32_t ui32Delay;
-
- ASSERT(SysCtrlPeripheralValid(ui32Peripheral));
- ASSERT(!(ui32Peripheral == SYS_CTRL_PERIPH_RFC));
-
- HWREG(g_pui32SRRegs[SYS_CTRL_PERIPH_INDEX(ui32Peripheral)]) |=
- SYS_CTRL_PERIPH_MASKBIT(ui32Peripheral);
-
- for(ui32Delay = 0; ui32Delay < 16; ui32Delay++) { }
-
- HWREG(g_pui32SRRegs[SYS_CTRL_PERIPH_INDEX(ui32Peripheral)]) &=
- ~SYS_CTRL_PERIPH_MASKBIT(ui32Peripheral);
- }
- void
- SysCtrlPeripheralEnable(uint32_t ui32Peripheral)
- {
-
- ASSERT(SysCtrlPeripheralValid(ui32Peripheral));
-
- HWREG(g_pui32RCGCRegs[SYS_CTRL_PERIPH_INDEX(ui32Peripheral)]) |=
- SYS_CTRL_PERIPH_MASKBIT(ui32Peripheral);
- }
- void
- SysCtrlPeripheralDisable(uint32_t ui32Peripheral)
- {
-
- ASSERT(SysCtrlPeripheralValid(ui32Peripheral));
-
- HWREG(g_pui32RCGCRegs[SYS_CTRL_PERIPH_INDEX(ui32Peripheral)]) &=
- ~SYS_CTRL_PERIPH_MASKBIT(ui32Peripheral);
- }
- void
- SysCtrlPeripheralSleepEnable(uint32_t ui32Peripheral)
- {
-
- ASSERT(SysCtrlPeripheralValid(ui32Peripheral));
-
- HWREG(g_pui32SCGCRegs[SYS_CTRL_PERIPH_INDEX(ui32Peripheral)]) |=
- SYS_CTRL_PERIPH_MASKBIT(ui32Peripheral);
- }
- void
- SysCtrlPeripheralSleepDisable(uint32_t ui32Peripheral)
- {
-
- ASSERT(SysCtrlPeripheralValid(ui32Peripheral));
-
- HWREG(g_pui32SCGCRegs[SYS_CTRL_PERIPH_INDEX(ui32Peripheral)]) &=
- ~SYS_CTRL_PERIPH_MASKBIT(ui32Peripheral);
- }
- void
- SysCtrlPeripheralDeepSleepEnable(uint32_t ui32Peripheral)
- {
-
- ASSERT(SysCtrlPeripheralValid(ui32Peripheral));
-
- HWREG(g_pui32DCGCRegs[SYS_CTRL_PERIPH_INDEX(ui32Peripheral)]) |=
- SYS_CTRL_PERIPH_MASKBIT(ui32Peripheral);
- }
- void
- SysCtrlPeripheralDeepSleepDisable(uint32_t ui32Peripheral)
- {
-
- ASSERT(SysCtrlPeripheralValid(ui32Peripheral));
-
- HWREG(g_pui32DCGCRegs[SYS_CTRL_PERIPH_INDEX(ui32Peripheral)]) &=
- ~SYS_CTRL_PERIPH_MASKBIT(ui32Peripheral);
- }
- void
- SysCtrlPowerModeSet(uint32_t ui32PowerMode)
- {
-
- ASSERT(ui32PowerMode == SYS_CTRL_PM_NOACTION ||
- ui32PowerMode == SYS_CTRL_PM_1 ||
- ui32PowerMode == SYS_CTRL_PM_2 ||
- ui32PowerMode == SYS_CTRL_PM_3);
-
- HWREG(SYS_CTRL_PMCTL) = ui32PowerMode;
- }
- uint32_t
- SysCtrlPowerModeGet(void)
- {
- uint32_t ui32PowerMode;
- ui32PowerMode = HWREG(SYS_CTRL_PMCTL);
- ui32PowerMode &= SYS_CTRL_PMCTL_PM_M;
- return(ui32PowerMode);
- }
- void
- SysCtrlClockLossDetectEnable(void)
- {
- uint32_t ui32CLD;
- ui32CLD = HWREG(SYS_CTRL_CLD);
- ui32CLD |= SYS_CTRL_CLD_EN;
- HWREG(SYS_CTRL_CLD) = ui32CLD;
- }
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