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时间终于同步，存储成功

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wandering1
2026-08-28 21:10:51 +08:00
parent 4e9ac0d9c3
commit 02a05a7a63
13 changed files with 606 additions and 78 deletions
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15
Drivers/BSP/SD2506/sd2506.c
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@@ -121,12 +121,12 @@ static int sd2506_read_regs(uint8_t reg, uint8_t *p_data, uint8_t len) {
static int sd2506_write_enable(void) {
int ret = 0;
/* 先置 WRTC1=1 (bit6=1), 其它位参考手册0x84 */
ret = sd2506_write_reg(SD2506_REG_CTR1, 0x84U);
/* 写允许顺序（SD2506/SD24xx 手册要求）：先置 WRTC1(CTR2 bit7)=1，
* 再置 WRTC2(CTR1 bit2) + WRTC3(CTR1 bit7)=1。顺序反了芯片不会解开写保护。 */
ret = sd2506_write_reg(SD2506_REG_CTR2, 0x80U);
if (ret != SD2506_OK) return ret;
/* 再置 WRTC2=1(bit5) + WRTC3=1(bit4): 0x8C */
ret = sd2506_write_reg(SD2506_REG_CTR2, 0x8CU);
ret = sd2506_write_reg(SD2506_REG_CTR1, 0x84U);
if (ret != SD2506_OK) return ret;
return SD2506_OK;
@@ -142,12 +142,11 @@ static int sd2506_write_enable(void) {
static int sd2506_write_disable(void) {
int ret = 0;
/* 先清 WRTC2=0, WRTC3=0: 0x00 */
ret = sd2506_write_reg(SD2506_REG_CTR2, 0x00U);
/* 写禁止顺序（手册要求）：先清 WRTC2/WRTC3(CTR1)，再清 WRTC1(CTR2) */
ret = sd2506_write_reg(SD2506_REG_CTR1, 0x00U);
if (ret != SD2506_OK) return ret;
/* 再清 WRTC1=0, 同时 ARST=1 使能自动复位: 0x20 */
ret = sd2506_write_reg(SD2506_REG_CTR1, SD2506_CTR1_WRITE_OFF);
ret = sd2506_write_reg(SD2506_REG_CTR2, 0x00U);
if (ret != SD2506_OK) return ret;
return SD2506_OK;