Michael (XIAO Xufeng) 3387d751d9 spi: fix the crash when callbacks are not in the IRAM ... Introduced in 9c23b8e5 and 4f87a62f. To get higher speed, menuconfig options are added to put ISR and other functions into the IRAM. The interrupt flag ESP_INTR_FLAG_IRAM is also mistakenly set when the ISR is put into the IRAM. However callbacks, which are wrote by the user, are called in the master and slave ISR. The user may not be aware of that these callbacks are not disabled during flash operations. Any cache miss during flash operation will cause panic. Essentially IRAM functions and intrrupt flag ESP_INTR_FLAG_IRAM are different, the latter means not disabling the ISR during flash operations. New bus_config flag intr_flags is offered to help set the interrupt attribute, including priority level, SHARED, IRAM (not disabled during flash operations). It introduced a small BREAK to IDFv3.1 (but the same as IDFv3.0) that the user has to manually set IRAM flag now (therefore he's aware of the IRAM thing) to void the ISR being disabled during flash operations.		2018-12-05 10:25:57 +08:00
..
adc.rst	docs: Switch base URL from esp-idf.readthedocs.io to docs.espressif.com	2018-06-19 11:23:33 +00:00
dac.rst	Moved files into separate folders per 'en' and 'zh_CN' language version and linked 'zh_CN' files back to 'en' files if translation is not yet available	2018-03-13 21:57:08 +01:00
esp_slave_protocol.rst	doc(sdio_slave): documentation for SDIO slave driver	2018-05-21 23:48:56 +08:00
gpio.rst	Moved files into separate folders per 'en' and 'zh_CN' language version and linked 'zh_CN' files back to 'en' files if translation is not yet available	2018-03-13 21:57:08 +01:00
i2c.rst	Moved files into separate folders per 'en' and 'zh_CN' language version and linked 'zh_CN' files back to 'en' files if translation is not yet available	2018-03-13 21:57:08 +01:00
i2s.rst	Moved files into separate folders per 'en' and 'zh_CN' language version and linked 'zh_CN' files back to 'en' files if translation is not yet available	2018-03-13 21:57:08 +01:00
index.rst	doc(sdio_slave): documentation for SDIO slave driver	2018-05-21 23:48:56 +08:00
ledc.rst	Restored back original 'zh_CN' version files and updated links between versions	2018-03-13 21:57:08 +01:00
mcpwm.rst	Moved files into separate folders per 'en' and 'zh_CN' language version and linked 'zh_CN' files back to 'en' files if translation is not yet available	2018-03-13 21:57:08 +01:00
pcnt.rst	Moved files into separate folders per 'en' and 'zh_CN' language version and linked 'zh_CN' files back to 'en' files if translation is not yet available	2018-03-13 21:57:08 +01:00
rmt.rst	Restored back original 'zh_CN' version files and updated links between versions	2018-03-13 21:57:08 +01:00
sdio_slave.rst	doc(sdio_slave): documentation for SDIO slave driver	2018-05-21 23:48:56 +08:00
sdmmc_host.rst	docs: update SDMMC and SDSPI documentation	2018-04-11 11:07:13 +08:00
sdspi_host.rst	docs: update SDMMC and SDSPI documentation	2018-04-11 11:07:13 +08:00
sigmadelta.rst	Moved files into separate folders per 'en' and 'zh_CN' language version and linked 'zh_CN' files back to 'en' files if translation is not yet available	2018-03-13 21:57:08 +01:00
spi_master.rst	spi: fix the crash when callbacks are not in the IRAM	2018-12-05 10:25:57 +08:00
spi_slave.rst	Moved files into separate folders per 'en' and 'zh_CN' language version and linked 'zh_CN' files back to 'en' files if translation is not yet available	2018-03-13 21:57:08 +01:00
timer.rst	docs: explicitly note that timer alarms are not recurring	2018-03-19 11:56:57 +08:00
touch_pad.rst	Provided links to 'Touch Sensor Application Note' and 'Guide for ESP32-Sense Development Kit'	2018-05-21 19:29:36 +02:00
uart.rst	Allow VFS file descriptors in select()	2018-05-18 08:06:33 +02:00