fixed schematics @ canon managing, add initialization for absolute positioning, TODO: add CAN bus management

This commit is contained in:
2023-03-15 17:50:49 +03:00
parent 46c77abaed
commit 681f3253d7
37 changed files with 2535 additions and 1735 deletions

View File

@@ -18,22 +18,44 @@
#include "hardware.h"
static inline void gpio_setup(){
#ifndef EBUG
TRUE_INLINE void iwdg_setup(){
uint32_t tmout = 16000000;
RCC->CSR |= RCC_CSR_LSION;
while((RCC->CSR & RCC_CSR_LSIRDY) != RCC_CSR_LSIRDY){if(--tmout == 0) break;} /* (2) */
IWDG->KR = IWDG_START;
IWDG->KR = IWDG_WRITE_ACCESS;
IWDG->PR = IWDG_PR_PR_1;
IWDG->RLR = 1250;
tmout = 16000000;
while(IWDG->SR){if(--tmout == 0) break;}
IWDG->KR = IWDG_REFRESH;
}
#endif
// PA4 (L_Detect), PC13 (USB/CAN), PA9 (~OC) - pullup input
// PA8 (Ven, high active), PA10 (USBPU, low active) - pushpull output
TRUE_INLINE void gpio_setup(){
// Set APB2 clock to 72/4=18MHz
RCC->CFGR = (RCC->CFGR & ~RCC_CFGR_PPRE2) | RCC_CFGR_PPRE2_DIV4;
// Enable clocks to the GPIO subsystems, turn on AFIO clocking to disable SWD/JTAG
RCC->APB2ENR = RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPCEN | RCC_APB2ENR_AFIOEN;
AFIO->MAPR = AFIO_MAPR_SWJ_CFG_JTAGDISABLE; // for PA15 - USB pullup
// Set led as opendrain output
GPIOC->CRH = CRH(13, CNF_ODOUTPUT | MODE_SLOW);
// Enable clocks to the GPIO subsystems
RCC->APB2ENR = RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN | RCC_APB2ENR_IOPCEN;// | RCC_APB2ENR_AFIOEN;
//AFIO->MAPR = AFIO_MAPR_SWJ_CFG_JTAGDISABLE; // for PA15 - USB pullup
GPIOC->ODR = 1<<13; // pullup
GPIOA->ODR = 1<<4 | 1<<9;
GPIOC->CRH = CRH(13, CNF_PUDINPUT | MODE_INPUT);
// setup SPI GPIO - alternate function PP (PA5 - SCK, PA6 - MISO, PA7 - MOSI)
GPIOA->CRL = CRL(5, CNF_AFPP|MODE_FAST) | CRL(6, CNF_FLINPUT) | CRL(7, CNF_AFPP|MODE_FAST);
GPIOA->CRL = CRL(4, CNF_PUDINPUT | MODE_INPUT) | CRL(5, CNF_AFPP|MODE_FAST) | CRL(6, CNF_FLINPUT) | CRL(7, CNF_AFPP|MODE_FAST);
// USB pullup (PA15) - pushpull output
USBPU_OFF();
GPIOA->CRH = CRH(15, CNF_PPOUTPUT | MODE_SLOW);
GPIOA->CRH = CRH(8, CNF_PPOUTPUT | MODE_SLOW) | CRH(9, CNF_PUDINPUT | MODE_INPUT) | CRH(10, CNF_PPOUTPUT | MODE_SLOW);
}
void hw_setup(){
gpio_setup();
#ifndef EBUG
iwdg_setup();
#endif
}