Search found 7 matches

by esp8266ac
Wed Mar 16, 2016 11:55 pm
Forum: ESP8266 SDK
Topic: SPI Driver API in RTOS SDK v1.3
Replies: 3
Views: 3060

Re: SPI Driver API in RTOS SDK v1.3

请帮忙 看一下代码有没有问题,谢谢! uint8 param_set_entry(uint8 EntryNum, uint16 EntrySize, uint32 *EntryPtr) { uint8 retval; uint8 retry; uint16 sect; uint16 size; uint32 *buff = NULL; SpiFlashOpResult result; if((EntryNum < PARAM_ENTRY_MAX) && (EntrySize <= CONFIG_PARAM_ENTRY_SIZE)) { sect = (CONFIG_PARAM_...
by esp8266ac
Wed Mar 16, 2016 9:45 am
Forum: ESP8266 SDK
Topic: SPI Driver API in RTOS SDK v1.3
Replies: 3
Views: 3060

Re: SPI Driver API in RTOS SDK v1.3

经过测试, 在做spi_flash_write 之前需要先Erase Sector;

SPI Flash 读写速度太慢了, 以一个Sector 为例, 从读回数据备份,擦除Sector,写回数据, 4K数据需要耗费5分钟左右;

有办法优化速度?
by esp8266ac
Wed Mar 16, 2016 1:34 am
Forum: ESP8266 SDK
Topic: RTOS_SDKv1.4.0 多消耗了2~3KByte D-RAM, 有没有办法减少D-RAM Usage?
Replies: 1
Views: 1713

RTOS_SDKv1.4.0 多消耗了2~3KByte D-RAM, 有没有办法减少D-RAM Usage?

RTOS_SDKv1.4.0 比v1.3.0 多消耗了2~3KByte D-RAM, 多产生7-8KByte Image Code, 有没有办法减少Image Code & D-RAM Usage?
by esp8266ac
Tue Mar 08, 2016 2:41 pm
Forum: ESP8266 SDK
Topic: SPI Driver API in RTOS SDK v1.3
Replies: 3
Views: 3060

SPI Driver API in RTOS SDK v1.3

RTOS SDKv1.3.0 中提供 SPI Driver API: • uint32 spi_flash_get_id (void) Get ID info of SPI Flash. • SpiFlashOpResult spi_flash_read_status (uint32 ∗ status) Read state register of SPI Flash. • SpiFlashOpResult spi_flash_write_status (uint32 status_value) Write state register of SPI Flash. • SpiFlashOpRe...
by esp8266ac
Fri Feb 19, 2016 12:49 am
Forum: Sample Codes
Topic: ESP8266 creates a UDP listening
Replies: 3
Views: 12484

Re: ESP8266 creates a UDP listening

能否提供基于RTOS SDK上的sample code?
by esp8266ac
Tue Jan 19, 2016 6:11 pm
Forum: ESP8266 SDK
Topic: How to enable & use UART1?
Replies: 1
Views: 1907

How to enable & use UART1?

Hi All: I want to use UART1 as debug console (simulates input/output from WIFI) and use UART0 as communication port with function device: PC console <==> UART1 -- ESP8266 -- UART0 <==> Function Device Questions: 1. Does RTOS-SDK support UART1 ? 2. How to enable & use UART1 in firmware? any sampl...
by esp8266ac
Tue Jan 19, 2016 6:10 pm
Forum: ESP8266 SDK
Topic: SmartConfig Issue
Replies: 1
Views: 1188

SmartConfig Issue

Hi All: One question about smartconfig: Scenario: 1. ESP8266 got right SSID/Passwd once & worked OK. 2. After somedays, ESP8266 could NOT connect router any longer, Root causes could be: a. SSID/Passwd changed, b. router faults temporarily, c. router removed. ESP8266 can NOT switch from work mod...

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