From bb216c0a360235e360611b3a1dc27c4ef9923c4d Mon Sep 17 00:00:00 2001 From: Gunar Schorcht Date: Tue, 15 Aug 2023 13:54:13 +0200 Subject: [PATCH] boards/sltb009a: complete and fix documentation The documentation was still in the state as generated automatically by `efm2riot`. --- boards/sltb009a/doc.txt | 158 +++++++++++++++++++++++----------------- 1 file changed, 93 insertions(+), 65 deletions(-) diff --git a/boards/sltb009a/doc.txt b/boards/sltb009a/doc.txt index 8e206bc2a9..f92dbd0056 100644 --- a/boards/sltb009a/doc.txt +++ b/boards/sltb009a/doc.txt @@ -4,6 +4,7 @@ * @brief Support for Silicon Labs SLTB009A starter kit ## Overview + Silicon Labs Thunderboard GG12 is equipped with the EFM32 microcontroller. It is specifically designed for low-power applications, having energy-saving peripherals, different energy modes and short wake-up times. @@ -14,6 +15,7 @@ actively measure the power consumption of your hardware and code, in real-time. ## Hardware ### MCU + | MCU | EFM32GG12B810F1024GM64 | |-----------------|------------------------------------------------------| | Family | ARM Cortex-M4F | @@ -26,80 +28,98 @@ actively measure the power consumption of your hardware and code, in real-time. | FPU | yes | | MPU | yes | | DMA | 12 channels | -| Timers | 4x 32-bit, 7x 16-bit + 1x 16-bit (low power) | +| Timers | 4 x 32-bit, 7 x 16-bit + 1 x 16-bit (low power) | | ADCs | 12-bit ADC | -| UARTs | 2x UART, 5x USART, 1x LEUART | -| SPIs | 5x USART | -| I2Cs | 2x | +| DACs | 2 x 12-bit VDAC (500 ksamples/s), 1 x IDAC | +| I2Cs | 2 x | +| SPIs | 5 x USART | +| UARTs | 2 x UART, 5 x USART, 1 x LEUART | +| USB | 1 x Low Energy Full-Speed USB 2.0 | | Vcc | 1.8 V - 3.8 V | -| Datasheet | [Datasheet](https://www.silabs.com/documents/public/data-sheets/efm32gg12-datasheet.pdf) | -| Manual | [Manual](https://www.silabs.com/documents/public/reference-manuals/efm32gg12-rm.pdf) | -| Board Manual | [Board Manual](https://www.silabs.com/documents/public/user-guides/ug371-sltb009a-user-guide.pdf) | -| Board Schematic | Can be downloaded using Silicon Labs' Simplicity Studio | +| Datasheet | [Datasheet](https://www.silabs.com/documents/public/data-sheets/efm32gg12-datasheet.pdf) | +| Manual | [Manual](https://www.silabs.com/documents/public/reference-manuals/efm32gg12-rm.pdf) | +| Board Manual | [Board Manual](https://www.silabs.com/documents/public/user-guides/ug371-sltb009a-user-guide.pdf) | +| Board Schematic | Can be downloaded using Silicon Labs' Simplicity Studio | ### Pinout -This is the pinout of the expansion header on the right side of the board. -PIN 1 is the bottom-left contact when the header faces you horizontally. -| | PIN | PIN | | -|------|-----|-----|------| -| GND | 1 | 2 | VMCU | -| PD0 | 3 | 4 | PA0 | -| PD1 | 5 | 6 | PA1 | -| PA4 | 7 | 8 | PA2 | -| PA5 | 9 | 10 | PA3 | -| PA6 | 11 | 12 | PC4 | -| PE15 | 13 | 14 | PC5 | -| PE5 | 15 | 16 | PE4 | -| | 17 | 18 | 5V | -| | 19 | 20 | 3V3 | -| PB12 | 21 | 22 | PE8 | -| PB11 | 23 | 24 | PE9 | -| PB3 | 25 | 26 | PE10 | -| PB4 | 27 | 28 | PE11 | -| PD2 | 29 | 30 | PE13 | -| PD3 | 31 | 32 | PE14 | -| PD4 | 33 | 34 | PF5 | +This is the pinout of the expansion header of the board. +PIN 1 is the top-left contact. -**Note**: not all starter kits by Silicon Labs share the same pinout! +| RIOT Peripheral | Name | PIN | PIN | Name | RIOT Peripheral | +|-----------------|------|-----|-----|------|-----------------| +| | GND | 1 | 2 | VMCU | | +| | PD0 | 3 | 4 | PA0 | SPI_DEV(0):MOSI | +| | PD1 | 5 | 6 | PA1 | SPI_DEV(0):MISO | +| | PA4 | 7 | 8 | PA2 | SPI_DEV(0):CLK | +| | PA5 | 9 | 10 | PA3 | | +| | PA6 | 11 | 12 | PC4 | UART_DEV(1):TX | +| | PE15 | 13 | 14 | PC5 | UART_DEV(1):RX | +| I2C_DEV(0):SCL | PE5 | 15 | 16 | PE4 | I2C_DEV(0):SCL | +| | | 17 | 18 | 5V | | +| | | 19 | 20 | 3V3 | | +| | PB12 | 21 | 22 | PE8 | | +| DAC_LINE(0) | PB11 | 23 | 24 | PE9 | | +| | PB3 | 25 | 26 | PE10 | | +| | PB4 | 27 | 28 | PE11 | | +| | PD2 | 29 | 30 | PE13 | | +| | PD3 | 31 | 32 | PE14 | | +| | PD4 | 33 | 34 | PF5 | | ### Peripheral mapping -| Peripheral | Number | Hardware | Pins | Comments | -|------------|---------|-------------------|-----------------------------------|-----------------------------------------------------------| + +| Peripheral | Number | Hardware | Pins | Comments | +|-------------|---------|------------|------------------|-------------------------------------| +| ADC | 0 | ADC0:CH0 | | Internal temperature | +| ADC | 1 | ADC0:CH1 | | AVDD | +| I2C | 0 | I2C0 | SDA:PE4, SCL:PE5 | Normal speed | +| HWCRYPTO | - | - | | AES128/AES256, SHA1, SHA224/SHA256 | +| HWRNG | - | TNRG0 | | True Random Number Generator (TRNG) | +| RTT | - | RTCC | | 1 Hz interval, either RTT or RTC | +| RTC | - | RTCC | | 1 Hz interval, either RTT or RTC | +| SPI | 0 | USART3 | MOSI:PA0, MISO:PA1, CLK:PA2 | | +| Timer | 0 | TIMER0 + TIMER1 | | TIMER0 is used as prescaler | +| Timer | 1 | LETIMER0 | | | +| UART | 0 | USART0 | RX:PE6, TX:PE7 | Default STDIO | +| UART | 1 | UART0 | RX:PC5, TX:PC4 | | ### User interface -| Peripheral | Mapped to | Pin | Comments | -|------------|-----------|------|------------| -| Button | PB0_PIN | PD5 | | -| | PB1_PIN | PD8 | | -| LED | LED0R_PIN | PA12 | | -| | LED0G_PIN | PA13 | | -| | LED0B_PIN | PA14 | | -| | LED1R_PIN | PD6 | | -| | LED1G_PIN | PF12 | | -| | LED1B_PIN | PE12 | | + +| Peripheral | Mapped to | Pin | Comments | +|------------|-----------|-----------|------------| +| Button | PB0_PIN | PD5 | | +| | PB1_PIN | PD8 | | +| LED | LED0R_PIN | PA12 | | +| | LED0G_PIN | PA13 | | +| | LED0B_PIN | PA14 | | +| | LED1R_PIN | PD6 | | +| | LED1G_PIN | PF12 | | +| | LED1B_PIN | PE12 | | | | LED0_PIN | LED0R_PIN | | | | LED1_PIN | LED1R_PIN | | ## Implementation Status -| Device | ID | Supported | Comments | -|-------------------------------|-------------------------------------|-----------|----------------------------------------------------------------| -| MCU | EFM32GG12B | yes | Power modes supported | -| Low-level driver | ADC | yes | | -| | Flash | yes | | -| | GPIO | yes | Interrupts are shared across pins (see reference manual) | -| | HW Crypto | yes | | -| | I2C | yes | | -| | PWM | yes | | -| | RTCC | yes | As RTT or RTC | -| | SPI | partially | Only master mode | -| | Timer | yes | | -| | UART | yes | USART is shared with SPI. LEUART baud rate limited (see below) | -| | USB | no | | + +| Device | ID | Supported | Comments | +|------------------|------------|-----------|----------------------------------------------------| +| MCU | EFM32GG12B | yes | Power modes supported | +| Low-level driver | ADC | yes | | +| | DAC | yes | VDAC, IDAC is not supported | +| | Flash | yes | | +| | GPIO | yes | Interrupts are shared across pins (see ref manual) | +| | HW Crypto | yes | | +| | I2C | yes | | +| | PWM | yes | | +| | RTCC | yes | As RTT or RTC | +| | SPI | yes | Only master mode | +| | Timer | yes | | +| | UART | yes | USART is shared with SPI. LEUART baud rate limited | +| | USB | yes | Device mode | ## Board configuration ### Board controller + The starter kit is equipped with a Board Controller. This controller provides a virtual serial port. @@ -108,8 +128,10 @@ a virtual serial port. expects data from the MCU with the same settings. ### Clock selection + There are several clock sources that are available for the different -peripherals. You are advised to read [AN0004.0](https://www.silabs.com/documents/public/application-notes/an0004.0-efm32-cmu.pdf) +peripherals. You are advised to read [AN0004.0] +(https://www.silabs.com/documents/public/application-notes/an0004.0-efm32-cmu.pdf) to get familiar with the different clocks. | Source | Internal | Speed | Comments | @@ -145,6 +167,7 @@ You can override the branch's clock source by adding `CLOCK_LFA=source` to your compiler defines, e.g. `CLOCK_LFA=cmuSelect_LFRCO`. ### Low-power peripherals + The low-power UART is capable of providing an UART peripheral using a low-speed clock. When the LFB clock source is the LFRCO or LFXO, it can still be used in EM2. However, this limits the baud rate to 9600 baud. If a higher baud rate is @@ -154,6 +177,7 @@ desired, set the clock source to CORELEDIV2. this setting. Ensure you do not refer to any low-power peripherals. ### RTC or RTT + RIOT-OS has support for *Real-Time Tickers* and *Real-Time Clocks*. However, this board MCU family has support for a 32-bit *Real-Time Clock and @@ -163,6 +187,7 @@ Therefore, only one of both peripherals can be enabled at the same time. Configured at 1 Hz interval, the RTCC will overflow each 136 years. ### Hardware crypto + This MCU is equipped with a hardware-accelerated crypto peripheral that can speed up AES128, AES256, SHA1, SHA256 and several other cryptographic computations. @@ -170,6 +195,7 @@ computations. A peripheral driver interface is proposed, but not yet implemented. ### Usage of EMLIB + This port makes uses of EMLIB by Silicon Labs to abstract peripheral registers. While some overhead is to be expected, it ensures proper setup of devices, provides chip errata and simplifies development. The exact overhead depends on @@ -182,6 +208,7 @@ that peripherals are used properly. To enable this, pass `DEBUG_EFM` to your compiler. ### Pin locations + The EFM32 platform supports peripherals to be mapped to different pins (predefined locations). The definitions in `periph_conf.h` mostly consist of a location number and the actual pins. The actual pins are required to configure @@ -195,38 +222,39 @@ This MCU has extended pin mapping support. Each pin of a peripheral can be connected separately to one of the predefined pins for that peripheral. ## Flashing the device -To flash, [SEGGER JLink](https://www.segger.com/jlink-software.html) is -required. + +The board provides a on-board J-Link debugger through the micro USB board so +that flashing and debugging is very easy. Flashing is supported by RIOT-OS using the command below: - ``` make flash ``` To run the GDB debugger, use the command: - ``` make debug ``` Or, to connect with your own debugger: - ``` make debug-server ``` Some boards have (limited) support for emulation, which can be started with: - ``` make emulate ``` ## Supported Toolchains + For using the Silicon Labs SLTB009A starter kit we strongly recommend -the usage of the [GNU Tools for ARM Embedded Processors](https://developer.arm.com/open-source/gnu-toolchain/gnu-rm) +the usage of the [GNU Tools for ARM Embedded Processors] +(https://developer.arm.com/open-source/gnu-toolchain/gnu-rm) toolchain. ## License information -* Silicon Labs' EMLIB: zlib-style license (permits distribution of source). + +Silicon Labs' EMLIB: zlib-style license (permits distribution of source). + */