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stm32samples/F303-nolib/inc/Fx/stm32f3.h
Edward Emelianov 813549e0f2 add usarts to 303
2021-07-15 22:21:37 +03:00

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/*
* stm32f3.h
*
* Copyright 2021 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#pragma once
#ifndef __STM32F3_H__
#define __STM32F3_H__
#include "vector.h"
#ifdef STM32F303xb
#include "stm32f303xc.h"
#else
#error "Define STM32F303xb"
#endif
#include "common_macros.h"
#define VECT_TAB_OFFSET 0x0 /*!< Vector Table base offset field.
This value must be a multiple of 0x200. */
//extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
//extern const uint8_t AHBPrescTable[16]; /*!< AHB prescalers table values */
//extern const uint8_t APBPrescTable[8]; /*!< APB prescalers table values */
/**
* @brief Setup the microcontroller system
* Initialize the FPU setting, vector table location and the PLL configuration is reset.
* @param None
* @retval None
*/
TRUE_INLINE void sysreset(void) // not usable
{
/* FPU settings ------------------------------------------------------------*/
#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 |= RCC_CR_HSION;
/* Reset CFGR register */
RCC->CFGR &= 0xF87FC00CU;
/* Reset HSEON, CSSON and PLLON bits */
RCC->CR &= 0xFEF6FFFFU;
/* Reset HSEBYP bit */
RCC->CR &= 0xFFFBFFFFU;
/* Reset PLLSRC, PLLXTPRE, PLLMUL and USBPRE bits */
RCC->CFGR &= 0xFF80FFFFU;
/* Reset PREDIV1[3:0] bits */
RCC->CFGR2 &= 0xFFFFFFF0U;
/* Reset USARTSW[1:0], I2CSW and TIMs bits */
RCC->CFGR3 &= 0xFF00FCCCU;
/* Disable all interrupts */
RCC->CIR = 0x00000000U;
#ifdef VECT_TAB_SRAM
SCB->VTOR = SRAM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
#else
SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
#endif
}
TRUE_INLINE void StartHSI(){ // system bus 48MHz from PLL, USBPPRE=1
__IO uint32_t StartUpCounter = 0;
#define WAITWHILE(x) do{StartUpCounter = 0; while((x) && (++StartUpCounter < 0xffffff)){nop();}}while(0)
RCC->CR = (RCC->CR & ~RCC_CR_PLLON) | RCC_CR_HSION;
// To adjust HSI set value of HSITRIM here
WAITWHILE(!(RCC->CR & RCC_CR_HSIRDY));
FLASH->ACR = (FLASH->ACR & ~(FLASH_ACR_LATENCY)) |
FLASH_ACR_LATENCY_0 | FLASH_ACR_PRFTBE;
RCC->CFGR = (RCC->CFGR & ~(RCC_CFGR_HPRE | RCC_CFGR_PPRE1 | RCC_CFGR_PPRE2 |
RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMUL | RCC_CFGR_USBPRE)
) | RCC_CFGR_PLLSRC_HSI_DIV2 | RCC_CFGR_PLLMUL12 | RCC_CFGR_USBPRE_DIV1;
RCC->CR |= RCC_CR_PLLON; // Enable PLL
// Wait till PLL is ready
WAITWHILE(!(RCC->CR & RCC_CR_PLLRDY));
// Select PLL as system clock source
RCC->CFGR = (RCC->CFGR & ~RCC_CFGR_SW) | RCC_CFGR_SW_PLL;
// Wait till PLL is used as system clock source
WAITWHILE((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_1);
#undef WAITWHILE
}
// @return 1 if OK, 0 if failed
TRUE_INLINE int StartHSE(){ // system bus 72MHz from PLL
__IO uint32_t StartUpCounter = 0;
#define WAITWHILE(x) do{StartUpCounter = 0; while((x) && (++StartUpCounter < 0xffffff)){nop();}; if(x) return 0;}while(0)
RCC->CR = (RCC->CR & ~RCC_CR_PLLON) | RCC_CR_HSEON; // disable PLL to reconfigure, enable HSE
WAITWHILE(!(RCC->CR & RCC_CR_HSERDY));
// Enable Prefetch Buffer. Flash 4 wait states for 48..72MHz
FLASH->ACR = (FLASH->ACR & ~(FLASH_ACR_LATENCY)) |
FLASH_ACR_LATENCY_2 | FLASH_ACR_PRFTBE;
// HCLK = SYSCLK (AHB prescaler = 1), PCLK1 = HCLK (APB1 prescaler = 1), PCLK2 = HCLK (APB2 prescaler = 1)
// PLLCLK = HSE * 9 = 72MHz
RCC->CFGR = (RCC->CFGR & ~(RCC_CFGR_HPRE | RCC_CFGR_PPRE1 | RCC_CFGR_PPRE2 |
RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMUL | RCC_CFGR_USBPRE)
) | RCC_CFGR_PLLSRC_HSE_PREDIV | RCC_CFGR_PLLMUL9 | RCC_CFGR_USBPRE_DIV1_5;
RCC->CR |= RCC_CR_PLLON; // Enable PLL
// Wait till PLL is ready
WAITWHILE(!(RCC->CR & RCC_CR_PLLRDY));
// Select PLL as system clock source
RCC->CFGR = (RCC->CFGR & ~RCC_CFGR_SW) | RCC_CFGR_SW_PLL;
// Wait till PLL is used as system clock source
WAITWHILE((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_1);
#undef WAITWHILE
return 1;
}
/******************* Bit definition for GPIO_MODER register *****************/
// _AI - analog inpt, _O - general output, _AF - alternate function
#define GPIO_MODER_MODER0_AI ((uint32_t)0x00000003)
#define GPIO_MODER_MODER0_O ((uint32_t)0x00000001)
#define GPIO_MODER_MODER0_AF ((uint32_t)0x00000002)
#define GPIO_MODER_MODER1_AI ((uint32_t)0x0000000C)
#define GPIO_MODER_MODER1_O ((uint32_t)0x00000004)
#define GPIO_MODER_MODER1_AF ((uint32_t)0x00000008)
#define GPIO_MODER_MODER2_AI ((uint32_t)0x00000030)
#define GPIO_MODER_MODER2_O ((uint32_t)0x00000010)
#define GPIO_MODER_MODER2_AF ((uint32_t)0x00000020)
#define GPIO_MODER_MODER3_AI ((uint32_t)0x000000C0)
#define GPIO_MODER_MODER3_O ((uint32_t)0x00000040)
#define GPIO_MODER_MODER3_AF ((uint32_t)0x00000080)
#define GPIO_MODER_MODER4_AI ((uint32_t)0x00000300)
#define GPIO_MODER_MODER4_O ((uint32_t)0x00000100)
#define GPIO_MODER_MODER4_AF ((uint32_t)0x00000200)
#define GPIO_MODER_MODER5_AI ((uint32_t)0x00000C00)
#define GPIO_MODER_MODER5_O ((uint32_t)0x00000400)
#define GPIO_MODER_MODER5_AF ((uint32_t)0x00000800)
#define GPIO_MODER_MODER6_AI ((uint32_t)0x00003000)
#define GPIO_MODER_MODER6_O ((uint32_t)0x00001000)
#define GPIO_MODER_MODER6_AF ((uint32_t)0x00002000)
#define GPIO_MODER_MODER7_AI ((uint32_t)0x0000C000)
#define GPIO_MODER_MODER7_O ((uint32_t)0x00004000)
#define GPIO_MODER_MODER7_AF ((uint32_t)0x00008000)
#define GPIO_MODER_MODER8_AI ((uint32_t)0x00030000)
#define GPIO_MODER_MODER8_O ((uint32_t)0x00010000)
#define GPIO_MODER_MODER8_AF ((uint32_t)0x00020000)
#define GPIO_MODER_MODER9_AI ((uint32_t)0x000C0000)
#define GPIO_MODER_MODER9_O ((uint32_t)0x00040000)
#define GPIO_MODER_MODER9_AF ((uint32_t)0x00080000)
#define GPIO_MODER_MODER10_AI ((uint32_t)0x00300000)
#define GPIO_MODER_MODER10_O ((uint32_t)0x00100000)
#define GPIO_MODER_MODER10_AF ((uint32_t)0x00200000)
#define GPIO_MODER_MODER11_AI ((uint32_t)0x00C00000)
#define GPIO_MODER_MODER11_O ((uint32_t)0x00400000)
#define GPIO_MODER_MODER11_AF ((uint32_t)0x00800000)
#define GPIO_MODER_MODER12_AI ((uint32_t)0x03000000)
#define GPIO_MODER_MODER12_O ((uint32_t)0x01000000)
#define GPIO_MODER_MODER12_AF ((uint32_t)0x02000000)
#define GPIO_MODER_MODER13_AI ((uint32_t)0x0C000000)
#define GPIO_MODER_MODER13_O ((uint32_t)0x04000000)
#define GPIO_MODER_MODER13_AF ((uint32_t)0x08000000)
#define GPIO_MODER_MODER14_AI ((uint32_t)0x30000000)
#define GPIO_MODER_MODER14_O ((uint32_t)0x10000000)
#define GPIO_MODER_MODER14_AF ((uint32_t)0x20000000)
#define GPIO_MODER_MODER15_AI ((uint32_t)0xC0000000)
#define GPIO_MODER_MODER15_O ((uint32_t)0x40000000)
#define GPIO_MODER_MODER15_AF ((uint32_t)0x80000000)
/******************* Bit definition for GPIO_PUPDR register *****************/
// no/pullup/pulldown/reserved
// for n in $(seq 0 15); do echo "#define GPIO_PUPDR${n}_PU ((uint32_t)(1<<$((n*2))))";
// echo "#define GPIO_PUPDR${n}_PD ((uint32_t)(1<<$((n*2+1))))"; done
// alt+select column -> delete
#define GPIO_PUPDR0_PU ((uint32_t)(1<<0))
#define GPIO_PUPDR0_PD ((uint32_t)(1<<1))
#define GPIO_PUPDR1_PU ((uint32_t)(1<<2))
#define GPIO_PUPDR1_PD ((uint32_t)(1<<3))
#define GPIO_PUPDR2_PU ((uint32_t)(1<<4))
#define GPIO_PUPDR2_PD ((uint32_t)(1<<5))
#define GPIO_PUPDR3_PU ((uint32_t)(1<<6))
#define GPIO_PUPDR3_PD ((uint32_t)(1<<7))
#define GPIO_PUPDR4_PU ((uint32_t)(1<<8))
#define GPIO_PUPDR4_PD ((uint32_t)(1<<9))
#define GPIO_PUPDR5_PU ((uint32_t)(1<<10))
#define GPIO_PUPDR5_PD ((uint32_t)(1<<11))
#define GPIO_PUPDR6_PU ((uint32_t)(1<<12))
#define GPIO_PUPDR6_PD ((uint32_t)(1<<13))
#define GPIO_PUPDR7_PU ((uint32_t)(1<<14))
#define GPIO_PUPDR7_PD ((uint32_t)(1<<15))
#define GPIO_PUPDR8_PU ((uint32_t)(1<<16))
#define GPIO_PUPDR8_PD ((uint32_t)(1<<17))
#define GPIO_PUPDR9_PU ((uint32_t)(1<<18))
#define GPIO_PUPDR9_PD ((uint32_t)(1<<19))
#define GPIO_PUPDR10_PU ((uint32_t)(1<<20))
#define GPIO_PUPDR10_PD ((uint32_t)(1<<21))
#define GPIO_PUPDR11_PU ((uint32_t)(1<<22))
#define GPIO_PUPDR11_PD ((uint32_t)(1<<23))
#define GPIO_PUPDR12_PU ((uint32_t)(1<<24))
#define GPIO_PUPDR12_PD ((uint32_t)(1<<25))
#define GPIO_PUPDR13_PU ((uint32_t)(1<<26))
#define GPIO_PUPDR13_PD ((uint32_t)(1<<27))
#define GPIO_PUPDR14_PU ((uint32_t)(1<<28))
#define GPIO_PUPDR14_PD ((uint32_t)(1<<29))
#define GPIO_PUPDR15_PU ((uint32_t)(1<<30))
#define GPIO_PUPDR15_PD ((uint32_t)(1<<31))
// OSPEEDR
// for n in $(seq 0 15); do echo "#define GPIO_OSPEEDR${n}_MED ((uint32_t)(1<<$((n*2))))";
// echo "#define GPIO_OSPEEDR${n}_HIGH ((uint32_t)(3<<$((2*n))))"; done
#define GPIO_OSPEEDR0_MED ((uint32_t)(1<<0))
#define GPIO_OSPEEDR0_HIGH ((uint32_t)(3<<0))
#define GPIO_OSPEEDR1_MED ((uint32_t)(1<<2))
#define GPIO_OSPEEDR1_HIGH ((uint32_t)(3<<2))
#define GPIO_OSPEEDR2_MED ((uint32_t)(1<<4))
#define GPIO_OSPEEDR2_HIGH ((uint32_t)(3<<4))
#define GPIO_OSPEEDR3_MED ((uint32_t)(1<<6))
#define GPIO_OSPEEDR3_HIGH ((uint32_t)(3<<6))
#define GPIO_OSPEEDR4_MED ((uint32_t)(1<<8))
#define GPIO_OSPEEDR4_HIGH ((uint32_t)(3<<8))
#define GPIO_OSPEEDR5_MED ((uint32_t)(1<<10))
#define GPIO_OSPEEDR5_HIGH ((uint32_t)(3<<10))
#define GPIO_OSPEEDR6_MED ((uint32_t)(1<<12))
#define GPIO_OSPEEDR6_HIGH ((uint32_t)(3<<12))
#define GPIO_OSPEEDR7_MED ((uint32_t)(1<<14))
#define GPIO_OSPEEDR7_HIGH ((uint32_t)(3<<14))
#define GPIO_OSPEEDR8_MED ((uint32_t)(1<<16))
#define GPIO_OSPEEDR8_HIGH ((uint32_t)(3<<16))
#define GPIO_OSPEEDR9_MED ((uint32_t)(1<<18))
#define GPIO_OSPEEDR9_HIGH ((uint32_t)(3<<18))
#define GPIO_OSPEEDR10_MED ((uint32_t)(1<<20))
#define GPIO_OSPEEDR10_HIGH ((uint32_t)(3<<20))
#define GPIO_OSPEEDR11_MED ((uint32_t)(1<<22))
#define GPIO_OSPEEDR11_HIGH ((uint32_t)(3<<22))
#define GPIO_OSPEEDR12_MED ((uint32_t)(1<<24))
#define GPIO_OSPEEDR12_HIGH ((uint32_t)(3<<24))
#define GPIO_OSPEEDR13_MED ((uint32_t)(1<<26))
#define GPIO_OSPEEDR13_HIGH ((uint32_t)(3<<26))
#define GPIO_OSPEEDR14_MED ((uint32_t)(1<<28))
#define GPIO_OSPEEDR14_HIGH ((uint32_t)(3<<28))
#define GPIO_OSPEEDR15_MED ((uint32_t)(1<<30))
#define GPIO_OSPEEDR15_HIGH ((uint32_t)(3<<30))
/************************* ADC *************************/
/* inner termometer calibration values
* Temp = (V30 - Vsense)/Avg_Slope + 30
* Avg_Slope = (V30 - V110) / (110 - 30)
*/
#define TEMP110_CAL_ADDR ((uint16_t*) ((uint32_t) 0x1FFFF7C2))
#define TEMP30_CAL_ADDR ((uint16_t*) ((uint32_t) 0x1FFFF7B8))
// VDDA_Actual = 3.3V * VREFINT_CAL / average vref value
#define VREFINT_CAL_ADDR ((uint16_t*) ((uint32_t) 0x1FFFF7BA))
#define VDD_CALIB ((uint16_t) (330))
#define VDD_APPLI ((uint16_t) (300))
/************************* USART *************************/
#define USART_CR2_ADD_SHIFT 24
// set address/character match value
#define USART_CR2_ADD_VAL(x) ((x) << USART_CR2_ADD_SHIFT)
/************************* IWDG *************************/
#define IWDG_REFRESH (uint32_t)(0x0000AAAA)
#define IWDG_WRITE_ACCESS (uint32_t)(0x00005555)
#define IWDG_START (uint32_t)(0x0000CCCC)
#endif // __STM32F3_H__
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