mirror of
https://github.com/espressif/ESP8266_RTOS_SDK.git
synced 2025-05-21 09:05:59 +08:00
622482eb76
1. add Kconfig file and rename old global macro 2. move some independent files to esp_common
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include "esp8266/uart_register.h"
|
|
#include "esp8266/eagle_soc.h"
|
|
#include "sdkconfig.h"
|
|
#include "esp_task_wdt.h"
|
|
|
|
#define UART_NUM CONFIG_ESP_CONSOLE_UART_NUM
|
|
|
|
void esp_gdbstub_target_init(void)
|
|
{
|
|
}
|
|
|
|
int esp_gdbstub_getchar(void)
|
|
{
|
|
while (((READ_PERI_REG(UART_STATUS(UART_NUM)) >> UART_RXFIFO_CNT_S) & UART_RXFIFO_CNT) == 0) {
|
|
esp_task_wdt_reset();
|
|
}
|
|
return READ_PERI_REG(UART_FIFO(UART_NUM));
|
|
}
|
|
|
|
void esp_gdbstub_putchar(int c)
|
|
{
|
|
while (((READ_PERI_REG(UART_STATUS(UART_NUM)) >> UART_TXFIFO_CNT_S) & UART_TXFIFO_CNT) >= 126) {
|
|
;
|
|
}
|
|
|
|
WRITE_PERI_REG(UART_FIFO(UART_NUM) , c);
|
|
}
|
|
|
|
int esp_gdbstub_readmem(intptr_t addr)
|
|
{
|
|
if (addr < 0x3ff00000 || addr >= 0x60010000) {
|
|
/* see cpu_configure_region_protection */
|
|
return -1;
|
|
}
|
|
uint32_t val_aligned = *(uint32_t *)(addr & (~3));
|
|
uint32_t shift = (addr & 3) * 8;
|
|
return (val_aligned >> shift) & 0xff;
|
|
}
|