57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
struct RCU {
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volatile uint32_t CTL;
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volatile uint32_t CFG0;
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volatile uint32_t INT;
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volatile uint32_t APB2RST;
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volatile uint32_t APB1RST;
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volatile uint32_t AHBEN;
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volatile uint32_t APB2EN;
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volatile uint32_t APB1EN;
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volatile uint32_t BDCTL;
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volatile uint32_t RSTSCK;
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volatile uint32_t AHBRST;
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volatile uint32_t CFG1;
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uint32_t rsv;
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volatile uint32_t DSV;
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};
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static struct RCU *const RCU = (struct RCU *)0x40021000;
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#define RCU_CTL_HXTALEN 0x00010000
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#define RCU_CTL_HXTALSTB 0x00020000
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#define RCU_CTL_PLLSTB 0x02000000
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#define RCU_CTL_PLLEN 0x01000000
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#define RCU_CTL_IRC8MEN 0x00000001
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#define RCU_CFG0_ADC_MASK 0x0000c000
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#define RCU_CFG0_AHB_APB1_APB2_MASK 0x00003ff0
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#define RCU_CFG0_AHB_CKSYS_DIV1 0x00000000
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#define RCU_CFG0_APB2_CKAHB_DIV1 0x00000000
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#define RCU_CFG0_APB1_CKAHB_DIV2 0x00000400
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#define RCU_CFG0_PLLSRC_PLLMF_MASK 0x203d0000
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#define RCU_CFG0_PLL_MUL12 0x00280000
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#define RCU_CFG0_PLLSRC_HXTAL 0x00010000
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#define RCU_CFG0_SCS_MASK 0x00000003
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#define RCU_CFG0_SCSS_PLL 0x00000008
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#define RCU_CFG0_CKSYSSRC_PLL 0x00000002
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#define RCU_CFG1_PREDV0SEL_MASK 0x00010000
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#define RCU_CFG1_PREDV0SEL_HXTAL 0x00000000
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#define RCU_APB2_GPIOA 0x00000004
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#define RCU_APB2_GPIOB 0x00000008
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#define RCU_APB2_GPIOC 0x00000010
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/* Semantics is exactly same as STM32F103. */
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struct GPIO {
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volatile uint32_t CRL;
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volatile uint32_t CRH;
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volatile uint32_t IDR;
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volatile uint32_t ODR;
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volatile uint32_t BSRR;
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volatile uint32_t BRR;
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volatile uint32_t LCKR;
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};
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static struct GPIO *const GPIOA = (struct GPIO *)0x40010800;
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static struct GPIO *const GPIOB = (struct GPIO *)0x40010C00;
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static struct GPIO *const GPIOC = (struct GPIO *)0x40011000;
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