Steins7/stm32f1xx_HBL
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Replace flash's bitfields with macros

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This commit is contained in:
Steins7 2023-07-07 17:46:04 +02:00
parent ebe30a4a7a
commit dfccfd9591
2 changed files with 13 additions and 3 deletions
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8
drivers/flash.c
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@ -34,13 +34,15 @@ void flash_configure(enum FlashPreset preset)
//apply new configuration
switch (preset) {
case FLASH_PRESET_LOW_CLOCK_SPEED:
regs->ACR.HLFCYA = 0x1; //half cycle for power saving
reg_set(regs->ACR, FLASH_ACR_HLFCYA); //half cycle for power saving
break;
case FLASH_PRESET_MEDIUM_CLOCK_SPEED:
regs->ACR.LATENCY = 0x1;
reg_reset(regs->ACR, FLASH_ACR_LATENCY);
reg_write(regs->ACR, FLASH_ACR_LATENCY, 0x1);
break;
case FLASH_PRESET_HIGH_CLOCK_SPEED:
regs->ACR.LATENCY = 0x2;
reg_reset(regs->ACR, FLASH_ACR_LATENCY);
reg_write(regs->ACR, FLASH_ACR_LATENCY, 0x2);
break;
default:
break;

8
drivers/flash_regs.h
View File

@ -11,6 +11,8 @@
//--includes--------------------------------------------------------------------
#include "reg.h"
#include "stdint.h"
@ -29,6 +31,12 @@ union FLASH_ACR {
uint32_t word;
};
#define FLASH_ACR_LATENCY reg_def(0, 3)
#define FLASH_ACR_HLFCYA reg_def(3, 1)
#define FLASH_ACR_PRFTBE reg_def(4, 1)
#define FLASH_ACR_PRFTBS reg_def(5, 1)
#define FLASH_ACR_reserved1 reg_def(6, 26)
union FLASH_KEYR {
struct __attribute__((packed)) {
uint32_t reserved1; //TODO