user_uart_wait_tx_fifo_empty 崩溃

[lijifeng]

串口日志:
mode : sta(18:fe:34:f4:ba:fe)
add if0
f 0, Fatal exception (0):
epc1=0x402402e1, epc2=0x00000000, epc3=0x00000000, excvaddr=0x00000000, depc=0x00000000

ets Jan 8 2013,rst cause:1, boot mode:(3,6)

load 0x40100000, len 30284, room 16
tail 12
chksum 0x81
ho 0 tail 12 room 4
load 0x3ffe8000, len 924, room 12
tail 0
chksum 0x41
load 0x3ffe83a0, len 14432, room 8
tail 8
chksum 0xd3
csum 0xd3

eagle.s 文件
402402ce: 004027 ball a0, a2, 402402d2 <user_uart_wait_tx_fifo_empty+0x5e>
402402d1: 100c movi.n a0, 1
402402d3: 0f9040 excw
402402d6: 214010 srai a4, a1, 0
402402d9: fffc bnez.n a15, 4024031c <user_uart_wait_tx_fifo_empty+0xa8>
402402db: 03e830 rsr.exccause a3
402402de: c0c112 addi a1, a1, -64
402402e1: 0861c2 s32i a12, a1, 32
402402e4: 0961d2 s32i a13, a1, 36
402402e7: 0a61e2 s32i a14, a1, 40
402402ea: b1f9 s32i.n a15, a1, 44
402402ec: 7109 s32i.n a0, a1, 28
402402ee: c139 s32i.n a3, a1, 48
402402f0: 03b100 rsr.epc1 a0
402402f3: d109 s32i.n a0, a1, 52
402402f5: 03b2f0 rsr.epc2 a15
402402f8: 03b3e0 rsr.epc3 a14
402402fb: 03eed0 rsr.excvaddr a13
402402fe: 03c0c0 rsr.depc a12
40240301: fff301 l32r a0, 402402d0 <user_uart_wait_tx_fifo_empty+0x5c>

[ESP_Faye]

您好，

您可以参考 \esp_iot_sdk\examples\driver_lib\driver 中的 uart.c 使用。