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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.13
mikroSDK Library: 2.0.0.0
Category: USB-C PD
Downloaded: 148 times
Not followed.
License: MIT license
USB-C Sink Click is a compact add-on board that contains a standalone autonomous USB power delivery controller. This board features the STUSB4500, a USB-C sink-only controller compatible with Power-Delivery (PD) from STMicroelectronics. It supports dead battery mode to allow a system to be powered from an external source directly, establishes a valid source-to-sink connection, and negotiates a USB power delivery (PD) contract with a PD capable source device.
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USB-C Sink Click is a compact add-on board that contains a standalone autonomous USB power delivery controller. This board features the STUSB4500, a USB-C sink-only controller compatible with Power-Delivery (PD) from STMicroelectronics. It supports dead battery mode to allow a system to be powered from an external source directly, establishes a valid source-to-sink connection, and negotiates a USB power delivery (PD) contract with a PD capable source device.
We provide a library for the USBCSink Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
Package can be downloaded/installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.
This library contains API for USBCSink Click driver.
usbcsink_cfg_setup
Config Object Initialization function.
void usbcsink_cfg_setup ( usbcsink_cfg_t *cfg );
usbcsink_init
Initialization function.
err_t usbcsink_init ( usbcsink_t *ctx, usbcsink_cfg_t *cfg );
usbcsink_hw_reset
HW reset function.
void usbcsink_hw_reset ( usbcsink_t *ctx );
usbcsink_get_pdo2
Get PO2 pin state function.
uint8_t usbcsink_get_pdo2 ( usbcsink_t *ctx );
usbcsink_write_byte
Write byte function.
void usbcsink_write_byte ( usbcsink_t *ctx, uint8_t reg, uint8_t tx_data );
This is an example which demonstrates the use of USB-C Sink Click board.
The demo application is composed of two sections :
Initialization driver enables - I2C, set hw reset, set PDO2 profile and current value for PDO2 1.5A, upload new data and reset device to write NVM settings to the STUSB450, also write log.
void application_init ( void ) {
log_cfg_t log_cfg; /**< Logger config object. */
usbcsink_cfg_t usbcsink_cfg; /**< Click config object. */
/**
* Logger initialization.
* Default baud rate: 115200
* Default log level: LOG_LEVEL_DEBUG
* @note If USB_UART_RX and USB_UART_TX
* are defined as HAL_PIN_NC, you will
* need to define them manually for log to work.
* See @b LOG_MAP_USB_UART macro definition for detailed explanation.
*/
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
usbcsink_cfg_setup( &usbcsink_cfg );
USBCSINK_MAP_MIKROBUS( usbcsink_cfg, MIKROBUS_1 );
err_t init_flag = usbcsink_init( &usbcsink, &usbcsink_cfg );
if ( I2C_MASTER_ERROR == init_flag ) {
log_error( &logger, " Application Init Error. " );
log_info( &logger, " Please, run program again... " );
for ( ; ; );
}
usbcsink_hw_reset( &usbcsink );
Delay_ms ( 1000 );
usbcsink_set_pdo_num( USBCSINK_SET_PDO_2 );
usbcsink_set_current( USBCSINK_SET_PDO_2, 1.5 );
sel_profile = usbcsink_get_pdo_num( );
log_printf( &logger , "- - - - - - - - - - - - \r\n" );
log_printf( &logger , " Setting PDO ~ PDO%d \r\n", ( uint16_t ) sel_profile );
log_printf( &logger , "- - - - - - - - - - - - \r\n" );
usbcsink_upload_new_data( &usbcsink, USBCSINK_UPLOAD_NEW_DATA_VAL );
Delay_ms ( 1000 );
usbcsink_hw_reset( &usbcsink );
Delay_ms ( 1000 );
log_info( &logger, " Application Task " );
}
USB-C Sink Click board can be used to read the Power Data Objects (PDO) highest priority profile: PDO1 : 5V, PDO2 : 12V, PDO3 : 20V. All data logs write on USB uart changes for every 5 sec.
void application_task ( void ) {
usbcsink_load_data( &usbcsink );
log_printf( &logger , " New Parameters \r\n" );
log_printf( &logger , "------------------------\r\n" );
sel_profile = usbcsink_get_pdo_num( );
log_printf( &logger , " PDO Number ~ PDO%d\r\n", ( uint16_t ) sel_profile );
log_printf( &logger , "- - - - - - - - - - - - \r\n" );
demo_data = usbcsink_get_voltage( sel_profile );
log_printf( &logger , " Voltage : %.2f V\r\n", demo_data );
demo_data = usbcsink_get_current( sel_profile );
log_printf( &logger , " Current : %.2f A\r\n", demo_data );
log_printf( &logger , "------------------------\r\n" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
}
The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.
Other Mikroe Libraries used in the example:
Additional notes and informations
Depending on the development board you are using, you may need USB UART Click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.