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add flash storage

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This commit is contained in:
Edward Emelianov
2026-07-29 21:01:01 +03:00
parent 2b4a9cbd84
commit 940b60df99
15 changed files with 352 additions and 70 deletions
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10
G4:G431/Servo/hardware.c
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@@ -18,6 +18,7 @@
#include <stm32g4.h>
#include "flash.h"
#include "hardware.h"
#include "servo.h"
@@ -32,7 +33,7 @@ void sys_tick_handler(){
// try to set servo; if wrong return false
bool set_servo(uint8_t N, uint16_t val){
if(N >= SERVO_AMOUNT) return false;
if(val < SG90_MINPULSE || val > SG90_MAXPULSE) return false;
if(val < the_conf.minpulse[N] || val > the_conf.maxpulse[N]) return false;
volatile uint32_t *CCR = &(TIM3->CCR1);
CCR[N] = val;
return true;
@@ -56,11 +57,14 @@ static void tim3_setup(){
TIM_CCMR2_OC4M_2 | TIM_CCMR2_OC4M_1 |
TIM_CCMR2_OC3PE | TIM_CCMR2_OC4PE;
// frequency
TIM3->PSC = 169; // 1MHz -> 1us per tick
TIM3->PSC = 84; // 1MHz -> 1us per tick
// ARR for PWM
TIM3->ARR = 19999; // 20ms, 50Hz
// CCRx - minimal position
TIM3->CCR1 = TIM3->CCR2 = TIM3->CCR3 = TIM3->CCR4 = SG90_MINPULSE;
TIM3->CCR1 = the_conf.startpulse[0];
TIM3->CCR2 = the_conf.startpulse[1];
TIM3->CCR3 = the_conf.startpulse[2];
TIM3->CCR4 = the_conf.startpulse[3];
// enable CCx interrupts
TIM3->DIER = TIM_DIER_CC1IE | TIM_DIER_CC2IE | TIM_DIER_CC3IE | TIM_DIER_CC4IE;
// enable main output