test

### 哪个芯片，哪个SDK版本，哪个板级，哪个case
如:AC6321A使用AC630N_bt_data_transfer_sdk_release_v2.0.0开CONFIG_BOARD_AC632N_DEMO和CONFIG_APP_SPP_LE

### 该问题是怎么引起的？
如:哪个c文件,对应什么功能引起的

### 重现步骤

### 报错信息

```diff
__attribute__((weak))
void mcpwm_set_frequency(pwm_ch_num_type ch, pwm_aligned_mode_type align, u32 frequency)
{
    PWM_TIMER_REG *reg = get_pwm_timer_reg(ch);
    if (reg == NULL) {
        return;
    }

reg->tmr_con = 0;
    reg->tmr_cnt = 0;
    reg->tmr_pr = 0;

u32 i = 0;
    u32 mcpwm_div_clk = 0;
    u32 mcpwm_tmr_pr = 0;
    u32 mcpwm_fre_min = 0;
    u32 clk = MCPWM_CLK;
    for (i = 0; i < 16; i++) {
        mcpwm_fre_min = clk / (65536 * (1 << i));
        if ((frequency >= mcpwm_fre_min) || (i == 15)) {
            break;
        }
    }
    reg->tmr_con |= (i << 3); //div 2^i
    mcpwm_div_clk = clk / (1 << i);
    if (frequency == 0) {
        mcpwm_tmr_pr = 0;
    } else {
        if (align == pwm_center_aligned) { //中心对齐
            mcpwm_tmr_pr = mcpwm_div_clk / (frequency * 2) - 1;
        } else {
            mcpwm_tmr_pr = mcpwm_div_clk / frequency - 1;
        }
    }
    reg->tmr_pr = mcpwm_tmr_pr;
    //timer mode
    if (align == pwm_center_aligned) { //中心对齐
        reg->tmr_con |= 0b10;
    } else {
        reg->tmr_con |= 0b01;
    }
+    reg->tmr_con |= BIT(8);    //允许定时递减借位中断
+    reg->tmr_con |= BIT(9);    //允许定时溢出
+    request_irq(57, 3, mcpwm_interrupt, 0);   //注册中断函数
}
```

珠海杰理科技FAE/IOT-AC630N

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