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seems like I2C start works right, need some fixes for large data amount

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Edward Emelianov
2025-09-14 02:18:36 +03:00
parent 93e0b16f79
commit d790a1610d
7 changed files with 317 additions and 67 deletions
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2
F3:F303/inc/Fx/stm32f3.h
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@@ -123,6 +123,8 @@ TRUE_INLINE int StartHSE(){ // system bus 72MHz from PLL
WAITWHILE(!(RCC->CR & RCC_CR_PLLRDY));
// Select PLL as system clock source
RCC->CFGR = (RCC->CFGR & ~RCC_CFGR_SW) | RCC_CFGR_SW_PLL;
// select system clock as I2C source
RCC->CFGR3 |= RCC_CFGR3_I2C1SW_SYSCLK | RCC_CFGR3_I2C1SW_SYSCLK;
// Wait till PLL is used as system clock source
WAITWHILE((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_PLL);
SysFreq = 72000000;