Change default baud rate back to 74906bps, compatible with boot ROM rate

This reverts a behaviour change from 3ceadfc0a6.

core/app_main.c

@@ -278,8 +278,8 @@ static void init_networking(uint8_t *phy_info, uint8_t *mac_addr) {
         printf("FATAL: sdk_register_chipv6_phy failed");
         halt();
     }
-    uart_set_baud(0, 115200);
-    uart_set_baud(1, 115200);
+    uart_set_baud(0, 74906);
+    uart_set_baud(1, 74906);
     sdk_phy_disable_agc();
     sdk_ieee80211_phy_init(sdk_g_ic.s.phy_mode);
     sdk_lmacInit();

examples/blink/blink.c

@@ -3,6 +3,7 @@
  * This sample code is in the public domain.
  */
 #include "espressif/esp_common.h"
+#include "esp/uart.h"
 #include "FreeRTOS.h"
 #include "task.h"
 #include "esp8266.h"
@@ -52,6 +53,7 @@ void blinkenRegisterTask(void *pvParameters)
 
 void user_init(void)
 {
+    uart_set_baud(0, 115200);
     xTaskCreate(blinkenTask, (signed char *)"blinkenTask", 256, NULL, 2, NULL);
     //xTaskCreate(blinkenRegisterTask, (signed char *)"blinkenRegisterTask", 256, NULL, 2, NULL);
 }

examples/blink_timers/blink_timers.c

@@ -3,6 +3,7 @@
  * This sample code is in the public domain.
  */
 #include "espressif/esp_common.h"
+#include "esp/uart.h"
 #include "FreeRTOS.h"
 #include "task.h"
 #include "esp8266.h"
@@ -32,6 +33,8 @@ void frc2_interrupt_handler(void)
 
 void user_init(void)
 {
+    uart_set_baud(0, 115200);
+
     /* configure GPIOs */
     gpio_enable(gpio_frc1, GPIO_OUTPUT);
     gpio_enable(gpio_frc2, GPIO_OUTPUT);

examples/bmp180_i2c/bmp180_i2c.c

@@ -3,6 +3,7 @@
  * This sample code is in the public domain.
  */
 #include "espressif/esp_common.h"
+#include "esp/uart.h"
 
 #include "FreeRTOS.h"
 #include "task.h"
@@ -82,9 +83,22 @@ void bmp180_task(void *pvParameters)
     }
 }
 
+// Setup HW
+void user_setup(void)
+{
+    // Set UART Parameter
+    uart_set_baud(0, 115200);
+
+    // Give the UART some time to settle
+    sdk_os_delay_us(500);
+}
+
 void user_init(void)
 {
-    // Just some informations
+    // Setup HW
+    user_setup();
+
+    // Just some infomations
     printf("\n");
     printf("SDK version : %s\n", sdk_system_get_sdk_version());
     printf("GIT version : %s\n", GITSHORTREV);

examples/button/button.c

@@ -6,6 +6,7 @@
  * This sample code is in the public domain.
  */
 #include "espressif/esp_common.h"
+#include "esp/uart.h"
 #include "FreeRTOS.h"
 #include "task.h"
 #include "queue.h"
@@ -74,6 +75,7 @@ void GPIO_HANDLER(void)
 
 void user_init(void)
 {
+    uart_set_baud(0, 115200);
     gpio_enable(gpio, GPIO_INPUT);
 
     tsqueue = xQueueCreate(2, sizeof(uint32_t));

examples/cpp_01_tasks/cpp_tasks.cpp

@@ -31,6 +31,8 @@
 
 #include "espressif/esp_common.h"
 
+#include "esp/uart.h"
+
 /******************************************************************************************************************
  * task_1_t
  *
@@ -94,6 +96,8 @@ esp_open_rtos::thread::queue_t<uint32_t> MyQueue;
  */
 extern "C" void user_init(void)
 {
+    uart_set_baud(0, 115200);
+    
     MyQueue.queue_create(10);
     
     task_1.queue = MyQueue;

examples/experiments/timers/timers.c

@@ -7,6 +7,7 @@
  * This experimental reverse engineering code is in the public domain.
  */
 #include "espressif/esp_common.h"
+#include "esp/uart.h"
 #include "FreeRTOS.h"
 #include "task.h"
 #include "esp8266.h"
@@ -117,6 +118,7 @@ void frc2_handler(void)
 
 void user_init(void)
 {
+    uart_set_baud(0, 115200);
     xTaskCreate(timerRegTask, (signed char *)"timerRegTask", 1024, NULL, 2, NULL);
 
     TIMER(0).CTRL = VAL2FIELD(TIMER_CTRL_CLKDIV, TIMER_CLKDIV_256) | TIMER_CTRL_RELOAD;

examples/experiments/unaligned_load/unaligned_load.c

@@ -3,6 +3,7 @@
 #include "esp/rom.h"
 #include "esp/timer.h"
 #include "espressif/esp_common.h"
+#include "esp/uart.h"
 #include "FreeRTOS.h"
 #include "task.h"
 #include "queue.h"
@@ -213,6 +214,8 @@ void sanity_tests(void);
 
 void user_init(void)
 {
+    uart_set_baud(0, 115200);
+
     gpio_enable(2, GPIO_OUTPUT); /* used for LED debug */
     gpio_write(2, 1); /* active low */
 

examples/http_get/http_get.c

@@ -5,7 +5,7 @@
  * This sample code is in the public domain.,
  */
 #include "espressif/esp_common.h"
-#include "espressif/sdk_private.h"
+#include "esp/uart.h"
 
 #include <string.h>
 
@@ -114,6 +114,7 @@ void http_get_task(void *pvParameters)
 
 void user_init(void)
 {
+    uart_set_baud(0, 115200);
     printf("SDK version:%s\n", sdk_system_get_sdk_version());
 
     struct sdk_station_config config = {

examples/http_get_mbedtls/http_get_mbedtls.c

@@ -10,7 +10,7 @@
  * Additions Copyright (C) 2015 Angus Gratton, Apache 2.0 License.
  */
 #include "espressif/esp_common.h"
-#include "espressif/sdk_private.h"
+#include "esp/uart.h"
 
 #include <string.h>
 
@@ -331,6 +331,7 @@ void http_get_task(void *pvParameters)
 
 void user_init(void)
 {
+    uart_set_baud(0, 115200);
     printf("SDK version:%s\n", sdk_system_get_sdk_version());
 
     struct sdk_station_config config = {

examples/ota_basic/ota_basic.c

@@ -7,6 +7,7 @@
  * NOT SUITABLE TO PUT ON THE INTERNET OR INTO A PRODUCTION ENVIRONMENT!!!!
  */
 #include "espressif/esp_common.h"
+#include "esp/uart.h"
 #include "FreeRTOS.h"
 #include "task.h"
 #include "esp8266.h"
@@ -17,6 +18,8 @@
 
 void user_init(void)
 {
+    uart_set_baud(0, 115200);
+
     rboot_config_t conf = rboot_get_config();
     printf("\r\n\r\nOTA Basic demo.\r\nCurrently running on flash slot %d / %d.\r\n\r\n",
            conf.current_rom, conf.count);

examples/serial_echo/serial_echo.c

@@ -10,6 +10,7 @@
 
 void user_init(void)
 {
+    uart_set_baud(0, 115200);
     printf("SDK version:%s\n", sdk_system_get_sdk_version());
     printf("Going into echo mode...\n");
 

examples/simple/simple.c

@@ -1,6 +1,7 @@
 /* Very basic example that just demonstrates we can run at all!
  */
 #include "espressif/esp_common.h"
+#include "esp/uart.h"
 #include "FreeRTOS.h"
 #include "task.h"
 #include "queue.h"
@@ -35,6 +36,7 @@ static xQueueHandle mainqueue;
 
 void user_init(void)
 {
+    uart_set_baud(0, 115200);
     printf("SDK version:%s\n", sdk_system_get_sdk_version());
     mainqueue = xQueueCreate(10, sizeof(uint32_t));
     xTaskCreate(task1, (signed char *)"tsk1", 256, &mainqueue, 2, NULL);

examples/simple_cplusplus/simple.cpp

@@ -7,6 +7,8 @@
 #include "task.h"
 #include "queue.h"
 
+#include <esp/uart.h>
+
 class Counter
 {
 private:
@@ -57,6 +59,7 @@ void task1(void *pvParameters)
 
 extern "C" void user_init(void)
 {
+    uart_set_baud(0, 115200);
     printf("SDK version:%s\n", sdk_system_get_sdk_version());
     xTaskCreate(task1, (signed char *)"tsk1", 256, NULL, 2, NULL);
 }

examples/tests/hmac_test_vectors/hmac_test_vectors.c

@@ -8,7 +8,7 @@
  * This sample code is in the public domain.,
  */
 #include "espressif/esp_common.h"
-#include "espressif/sdk_private.h"
+#include "esp/uart.h"
 #include "FreeRTOS.h"
 #include "mbedtls/md.h"
 
@@ -130,7 +130,7 @@ static void test_md5(void)
 
 void user_init(void)
 {
-    sdk_uart_div_modify(0, UART_CLK_FREQ / 115200);
+    uart_set_baud(0, 115200);
 
     test_md5();