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michael 1f43f33567 sdio: update the host example to support working with a slave without DAT1 
The interrupt line (DAT1) is an extra pin comparing to SD memory,
allowing the slave to actively inform the host some events.

It's possible for two ESP32 chips to communicate with each other in
1-bit mode or SPI mode without the DAT1 line by polling the slave's
interrupt registers. But this will increase the CPU load of the host,
and do harm to the response speed to slave events.
2020-01-22 05:34:21 +00:00
..
adc
Merge branch 'master' into feature/esp32s2beta_update
2019-08-08 15:26:58 +10:00
adc2
dac: refactor driver add hal
2019-11-22 11:44:46 +08:00
can
can: Refactor CAN to use HAL and LowLevel layers
2020-01-09 16:13:51 +08:00
gpio
tools: Mass fixing of empty prototypes (for -Wstrict-prototypes)
2019-08-01 16:28:56 +07:00
i2c
test: update example and unit tests with new import roles:
2019-12-07 10:34:54 +08:00
i2s
Merge branch 'master' into feature/esp32s2beta_update
2019-08-08 15:26:58 +10:00
i2s_adc_dac
Merge branch 'master' into feature/esp32s2beta_update
2019-08-08 15:26:58 +10:00
ledc
Merge branch 'master' into feature/esp32s2beta_update
2019-08-19 15:03:43 +10:00
mcpwm
Merge branch 'master' into feature/esp32s2beta_update
2019-08-08 15:26:58 +10:00
pcnt
Merge branch 'master' into feature/esp32s2beta_update
2019-08-19 15:03:43 +10:00
rmt
test: update example and unit tests with new import roles:
2019-12-07 10:34:54 +08:00
sdio
sdio: update the host example to support working with a slave without DAT1
2020-01-22 05:34:21 +00:00
sigmadelta
Merge branch 'bugfix/strict_prototypes' into 'master'
2019-08-05 09:38:39 +08:00
spi_master
Implement review comments
2020-01-08 18:41:43 +08:00
spi_slave
Merge branch 'master' into feature/esp32s2beta_merge
2019-09-16 16:18:48 +10:00
temp_sensor_esp32s2
Fix function prototypes
2019-08-13 17:14:16 +10:00
timer_group
bugfix(timer): add a macro to control making the XTAL related functions
2019-11-26 12:39:46 +00:00
touch_pad_interrupt
Refactor the touch sensor driver
2019-11-27 20:08:44 +08:00
touch_pad_read
Refactor the touch sensor driver
2019-11-27 20:08:44 +08:00
uart
Fix some typo in idf
2019-12-12 15:55:42 +08:00
wave_gen
wave_gen example: analog signal generator
2020-01-14 09:23:44 +00:00
README.md
Replace all DOS line endings with Unix
2018-07-12 19:10:37 +08:00

README.md

Peripherals Examples

This section provides examples how to configure and use ESP32’s internal peripherals like GPIO, UART, I2C, SPI, timers, counters, ADC / DAC, PWM, etc.

See the README.md file in the upper level examples directory for more information about examples.

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