boards/esp32s3-seeedstudio: Seeedstudio xiao esp32s3 board support#20973
boards/esp32s3-seeedstudio: Seeedstudio xiao esp32s3 board support#20973IsikcanYilmaz wants to merge 1 commit intoRIOT-OS:masterfrom
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| /** TODO all gpios are pwm in seeed esp32s3 | ||
| * @brief Declaration of the channels for device PWM_DEV(0), | ||
| * at maximum PWM_CHANNEL_NUM_DEV_MAX. | ||
| */ | ||
| // #ifndef PWM0_GPIOS | ||
| // #define PWM0_GPIOS { GPIO12, GPIO13, GPIO14, GPIO15, GPIO16 } | ||
| // #endif | ||
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| /** | ||
| * @brief Declaration of the channels for device PWM_DEV(1), | ||
| * at maximum PWM_CHANNEL_NUM_DEV_MAX. | ||
| */ | ||
| // #ifndef PWM1_GPIOS | ||
| // #define PWM1_GPIOS { GPIO6, GPIO7, GPIO21, GPIO38 } | ||
| // #endif | ||
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| /** @} */ | ||
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| /** | ||
| * @name SPI configuration | ||
| * | ||
| * @note The GPIOs listed in the configuration are first initialized as SPI | ||
| * signals when the corresponding SPI interface is used for the first time | ||
| * by either calling the `spi_init_cs` function or the `spi_acquire` | ||
| * function. That is, they are not allocated as SPI signals before and can | ||
| * be used for other purposes as long as the SPI interface is not used. | ||
| * @{ TODO SPI pins | ||
| */ | ||
| // #ifndef SPI0_CTRL | ||
| // #define SPI0_CTRL FSPI /**< FSPI is used as SPI_DEV(0) */ | ||
| // #endif | ||
| // #ifndef SPI0_SCK | ||
| // #define SPI0_SCK GPIO36 /**< FSPI SCK (pin FSPICLK) */ | ||
| // #endif | ||
| // #ifndef SPI0_MISO | ||
| // #define SPI0_MISO GPIO37 /**< FSPI MISO (pin FSPIQ) */ | ||
| // #endif | ||
| // #ifndef SPI0_MOSI | ||
| // #define SPI0_MOSI GPIO35 /**< FSPI MOSI (pin FSPID) */ | ||
| // #endif | ||
| // #ifndef SPI0_CS0 | ||
| // #define SPI0_CS0 GPIO34 /**< FSPI CS0 (pin FSPICS0) */ | ||
| // #endif | ||
| /** @} */ |
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Either define them or remove them 😉
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I would prefer to define them at least for the SPI what schouldn't be a problem.
#define SPI0_SCK GPIO7
...
#define SPI0_MISO GPIO8
...
#define SPI0_MOSI GPIO9
...
#define SPI0_CS0 <any available GPIO, e.g. GPIO3 (D2/A2)>
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Since GPIO3 (D2/A2) is also used for the SD Card Expansion port, it makes sense to use GPIO3 also for SPI0_CS0. This ensures that the SD Card Expansion Board works with with our sdcard_spi driver.
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Unless you define them, the doc.txt would need to be adapted to reflect the pins that are actually usable from RIOT with the default configuration.
| * at maximum PWM_CHANNEL_NUM_DEV_MAX. | ||
| */ | ||
| // #ifndef PWM0_GPIOS | ||
| // #define PWM0_GPIOS { GPIO12, GPIO13, GPIO14, GPIO15, GPIO16 } |
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Some or at least the USER LED pin GPIO21 should be defined as PWM channel.
According to https://github.com/RIOT-OS/RIOT/blob/master/doc/memos/rdm0003.md, I'd rather go with |
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Thanks for your PR, much appreciated! 🎉 some comments below
| * @brief Support for the Seeed Studio Xiao ESP32S3 | ||
| * @author Isikcan 'Jon' Yilmaz <[email protected]> | ||
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| \section esp32s3_seeedstudio Seeed Studio Xiao ESP32 |
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| \section esp32s3_seeedstudio Seeed Studio Xiao ESP32 | |
| \section esp32s3_seeedstudio Seeed Studio Xiao ESP32S3 |
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| /** TODO all gpios are pwm in seeed esp32s3 | ||
| * @brief Declaration of the channels for device PWM_DEV(0), | ||
| * at maximum PWM_CHANNEL_NUM_DEV_MAX. | ||
| */ | ||
| // #ifndef PWM0_GPIOS | ||
| // #define PWM0_GPIOS { GPIO12, GPIO13, GPIO14, GPIO15, GPIO16 } | ||
| // #endif | ||
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| /** | ||
| * @brief Declaration of the channels for device PWM_DEV(1), | ||
| * at maximum PWM_CHANNEL_NUM_DEV_MAX. | ||
| */ | ||
| // #ifndef PWM1_GPIOS | ||
| // #define PWM1_GPIOS { GPIO6, GPIO7, GPIO21, GPIO38 } | ||
| // #endif | ||
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| /** @} */ | ||
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| /** | ||
| * @name SPI configuration | ||
| * | ||
| * @note The GPIOs listed in the configuration are first initialized as SPI | ||
| * signals when the corresponding SPI interface is used for the first time | ||
| * by either calling the `spi_init_cs` function or the `spi_acquire` | ||
| * function. That is, they are not allocated as SPI signals before and can | ||
| * be used for other purposes as long as the SPI interface is not used. | ||
| * @{ TODO SPI pins | ||
| */ | ||
| // #ifndef SPI0_CTRL | ||
| // #define SPI0_CTRL FSPI /**< FSPI is used as SPI_DEV(0) */ | ||
| // #endif | ||
| // #ifndef SPI0_SCK | ||
| // #define SPI0_SCK GPIO36 /**< FSPI SCK (pin FSPICLK) */ | ||
| // #endif | ||
| // #ifndef SPI0_MISO | ||
| // #define SPI0_MISO GPIO37 /**< FSPI MISO (pin FSPIQ) */ | ||
| // #endif | ||
| // #ifndef SPI0_MOSI | ||
| // #define SPI0_MOSI GPIO35 /**< FSPI MOSI (pin FSPID) */ | ||
| // #endif | ||
| // #ifndef SPI0_CS0 | ||
| // #define SPI0_CS0 GPIO34 /**< FSPI CS0 (pin FSPICS0) */ | ||
| // #endif | ||
| /** @} */ |
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Unless you define them, the doc.txt would need to be adapted to reflect the pins that are actually usable from RIOT with the default configuration.
| /** | ||
| * @name Camera configurations and pins | ||
| * TODO also mic pins | ||
| */ | ||
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| /** | |
| * @name Camera configurations and pins | |
| * TODO also mic pins | |
| */ |
The board doesn't have those, right?
mguetschow
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sorry folks, maybe this PR was more premature than i thought. |
No worries, nothing wrong with getting feedback early |
…ostly copied from esp32s3-pros3 board files.
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@IsikcanYilmaz I can give this a test soon (the hardware will arrive this week). Perhaps you can use #21267 for orientation for the last remaining tasks.
For the time being I gave this an initial review which addresses some things that were present in #21267 as well.
You can also follow the guide in #21220 and change the doc.txt to the new Markdown format.
| # other features provided by the board | ||
| FEATURES_PROVIDED += esp_jtag | ||
| FEATURES_PROVIDED += highlevel_stdio | ||
| FEATURES_PROVIDED += tinyusb_device |
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| FEATURES_PROVIDED += tinyusb_device | |
| FEATURES_PROVIDED += tinyusb_device | |
| FEATURES_PROVIDED += xiao_shield | |
PR #20980 will introduce the xiao_shield feature, which applies to this PR as well. You'll have to wait before adding this until the PR is merged. Otherwise you will get a Make error.
| 1. [Overview](#esp32s3_seeedstudio_overview) | ||
| 2. [Hardware](#esp32s3_seeedstudio_hardware) | ||
| 1. [MCU](#esp32s3_seeedstudio_mcu) | ||
| 2. [Board Configuration](#esp32s3_seeedstudio_board_configuration) | ||
| 3. [Board Pinout](#esp32s3_seeedstudio_pinout) | ||
| 3. [Flashing the Device](#esp32s3_seeedstudio_flashing) | ||
| 4. [Using STDIO](#esp32s3_seeedstudio_stdio) |
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| 1. [Overview](#esp32s3_seeedstudio_overview) | |
| 2. [Hardware](#esp32s3_seeedstudio_hardware) | |
| 1. [MCU](#esp32s3_seeedstudio_mcu) | |
| 2. [Board Configuration](#esp32s3_seeedstudio_board_configuration) | |
| 3. [Board Pinout](#esp32s3_seeedstudio_pinout) | |
| 3. [Flashing the Device](#esp32s3_seeedstudio_flashing) | |
| 4. [Using STDIO](#esp32s3_seeedstudio_stdio) | |
| -# [Overview](#esp32s3_seeedstudio_overview) | |
| -# [Hardware](#esp32s3_seeedstudio_hardware) | |
| -# [MCU](#esp32s3_seeedstudio_mcu) | |
| -# [Board Configuration](#esp32s3_seeedstudio_board_configuration) | |
| -# [Board Pinout](#esp32s3_seeedstudio_pinout) | |
| -# [Flashing the Device](#esp32s3_seeedstudio_flashing) | |
| -# [Using STDIO](#esp32s3_seeedstudio_stdio) |
Doxygen supports automatic numbering of the tables. That makes it a lot easier to add or remove elements later on because it's not required to renumber everything.
| # The board uses a ESP32-S3 with a 16MB QSPI Flash and a 8MB QSPI PSRAM | ||
| FLASH_SIZE ?= 16 |
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The specifications say it has 8MB of QSPI Flash: https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/#specification
| * Since the GPIO of the button is pulled up with an external resistor, the | ||
| * mode for the GPIO pin has to be GPIO_IN. | ||
| */ | ||
| #define BTN0_MODE GPIO_IN_PU |
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| #define BTN0_MODE GPIO_IN_PU | |
| #define BTN0_MODE GPIO_IN |
See #21267 (comment)
| /** | ||
| * @name I2C configuration | ||
| * | ||
| * For generic boards, only one I2C interface I2C_DEV(0) is defined. |
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This should probably be adapted for the Xiao specifically.
| #endif | ||
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| /** | ||
| * @name ADC and DAC channel configuration |
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| * @name ADC and DAC channel configuration | |
| * @name ADC channel configuration |
The ESP32S3 does not have a DAC.
| * ESP32-S3 provides 3 UART interfaces at maximum: | ||
| * | ||
| * UART_DEV(0) uses fixed standard configuration.<br> | ||
| * UART_DEV(1) is not used.<br> |
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| * UART_DEV(1) is not used.<br> | |
| * UART_DEV(1) is not used.<br> | |
| * UART_DEV(2) is not used.<br> |
For completeness.
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The Xiao-ESP32S3 arrived today and I gave it a quick test with some tests: The The |
Indeed, this was caused by USBipd. On my Linux ThinkPad, the data looks absolutely fine. |
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Replaced by #21829. |
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Contribution description
Support for the tiny, barebones board "Seeed Studio Xiao ESP32S3"
Mostly based on the esp32s3-pros3 board
Testing procedure