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To expand crm_ertc_clock_select() in at32_bpr_write_dt1() for reduce code size.

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dxl
2026-08-22 03:04:27 +08:00
parent d3391bef3c
commit 2a11c73bbe
1 changed files with 2 additions and 1 deletions
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common_arm/sys/sys_hw_at32.c
+2 -1
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@@ -68,7 +68,8 @@ static void at32_bpr_write_dt1(uint32_t data) {
// Select and enable an ERTC clock so the write-protection register is
// writable at the full APB frequency.
crm_ertc_clock_select(CRM_ERTC_CLOCK_HEXT_DIV_20);
CRM->cfg_bit.ertcdiv = ((CRM_ERTC_CLOCK_HEXT_DIV_20 & 0x1F0) >> 4);
CRM->bpdc_bit.ertcsel = (CRM_ERTC_CLOCK_HEXT_DIV_20 & 0xF);
CRM->bpdc_bit.ertcen = TRUE;
ERTC->wp = SYS_SIMPLE_RESET_BPR_UNLOCK_KEY1;