107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
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/*******************************************************************************
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* the includes
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******************************************************************************/
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#include "hwctrl.h"
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#include "canuser.h"
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#include "TLE94x1.h"
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/*******************************************************************************
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* the defines
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******************************************************************************/
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/*******************************************************************************
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* the typedefs
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******************************************************************************/
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/*******************************************************************************
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* the globals
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******************************************************************************/
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extern McuType mcu;
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uint32_t gCpuClockFrequency = 0;
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/*******************************************************************************
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* the const
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******************************************************************************/
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/*******************************************************************************
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* the functions
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******************************************************************************/
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static void hw_clock_init(void);
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void hw_init(void)
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{
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/* Initialize all MCU drivers: flash drv included */
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Mcu_Init(&mcu);
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WdgDrv_Disable(&mcu.wdgDrv);
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//初始化时钟
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hw_clock_init();
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SBC_SPI_INIT();
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/* get CAN controller default configuration */
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FlexCanBoot_Init();
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SBC_Init();
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}
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static void hw_clock_init(void)
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{
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/* Setup the clock */
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ClockDrv_ModuleClkConfigType clockConfig;
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/* Setup the Pll div2 clock */
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clockConfig.gating = true;
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clockConfig.source = CLOCKDRV_PLL;
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clockConfig.div = 1;
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ClockDrv_ConfigureClock(&mcu.clockDrv, CLOCKDRV_PLL_DIV, &clockConfig);
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/* Enable the clock for all port peripheral */
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clockConfig.gating = true;
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clockConfig.div = 1;
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ClockDrv_ConfigureClock(&mcu.clockDrv, CLOCKDRV_PORTA, &clockConfig);
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ClockDrv_ConfigureClock(&mcu.clockDrv, CLOCKDRV_PORTB, &clockConfig);
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ClockDrv_ConfigureClock(&mcu.clockDrv, CLOCKDRV_PORTC, &clockConfig);
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ClockDrv_ConfigureClock(&mcu.clockDrv, CLOCKDRV_PORTD, &clockConfig);
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ClockDrv_ConfigureClock(&mcu.clockDrv, CLOCKDRV_PORTE, &clockConfig);
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/* Setup the Pll div2 clock */
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clockConfig.gating = true;
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clockConfig.source = CLOCKDRV_PLL;
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clockConfig.div = 1;
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ClockDrv_ConfigureClock(&mcu.clockDrv, CLOCKDRV_PLL_DIV, &clockConfig);
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clockConfig.gating = true;
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clockConfig.source = CLOCKDRV_PLL;
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clockConfig.div = 2;
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ClockDrv_ConfigureClock(&mcu.clockDrv, CLOCKDRV_PLL_DIV, &clockConfig);
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/* Setup the SPI clock */
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clockConfig.gating = true;
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clockConfig.source = CLOCKDRV_PLL_DIV;
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ClockDrv_ConfigureClock(&mcu.clockDrv, CLOCKDRV_SPI0, &clockConfig);
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uint32_t tTcr = SpiReg_GetTcr((const SpiRegType *)&mcu.spiDrv0.reg);
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SpiDrv_SetPrescaler(&tTcr,0x02);
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/* Set system tick clock, 1ms event */
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ClockDrv_GetFreq(&mcu.clockDrv, CLOCKDRV_SYS, &gCpuClockFrequency);
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SysTick_Config(gCpuClockFrequency / 1000u);
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IrqDrv_EnableIrq(SysTick_IRQn);
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}
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