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[Silabs] Handling the garbage data on the uart and using Platform API…
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…'s for 917 SoC (#30166)

* handling the garbage data on the uart

* Using platform wrapper api's

* Restyled by clang-format

---------

Co-authored-by: Restyled.io <commits@restyled.io>
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@chirag-silabs @restyled-commits @pull
2 people authored and pull[bot] committed Nov 8, 2023
1 parent 3f06abb commit 4451241
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Showing 2 changed files with 43 additions and 83 deletions.
124 changes: 42 additions & 82 deletions examples/platform/silabs/SiWx917/uart.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
#include "matter_shell.h"
#include "rsi_rom_egpio.h"
#include "silabs_utils.h"
#include "sl_si91x_usart.h"
#ifdef __cplusplus
extern "C" {
#endif
Expand All @@ -29,115 +30,73 @@ extern "C" {
#include <stddef.h>
#include <string.h>

extern ARM_DRIVER_USART Driver_USART0;
static ARM_DRIVER_USART * UARTdrv = &Driver_USART0;
#define USART_BAUDRATE 115200 // Baud rate <9600-7372800>
#define UART_CONSOLE_ERR -1 // Negative value in case of UART Console action failed. Triggers a failure for PW_RPC

ARM_USART_CAPABILITIES drv_capabilities;
sl_usart_handle_t usart_handle;

#define BAUD_VALUE 115200
#define UART_CONSOLE_ERR -1 // Negative value in case of UART Console action failed. Triggers a failure for PW_RPC
void callback_event(uint32_t event);

void ARM_USART_SignalEvent(uint32_t event);

void Read_Capabilities(void)
{
drv_capabilities = UARTdrv->GetCapabilities();
}

void ARM_USART_SignalEvent(uint32_t event)
/*******************************************************************************
* Callback function triggered on data Transfer and reception
******************************************************************************/
void callback_event(uint32_t event)
{
switch (event)
{
case ARM_USART_EVENT_SEND_COMPLETE:
case SL_USART_EVENT_SEND_COMPLETE:
break;
case ARM_USART_EVENT_RECEIVE_COMPLETE:
case SL_USART_EVENT_RECEIVE_COMPLETE:
#ifdef ENABLE_CHIP_SHELL
chip::NotifyShellProcessFromISR();
#endif
case ARM_USART_EVENT_TRANSFER_COMPLETE:
case ARM_USART_EVENT_TX_COMPLETE:
case ARM_USART_EVENT_TX_UNDERFLOW:
case ARM_USART_EVENT_RX_OVERFLOW:
case ARM_USART_EVENT_RX_TIMEOUT:
case ARM_USART_EVENT_RX_BREAK:
case ARM_USART_EVENT_RX_FRAMING_ERROR:
case ARM_USART_EVENT_RX_PARITY_ERROR:
case ARM_USART_EVENT_CTS:
case ARM_USART_EVENT_DSR:
case ARM_USART_EVENT_DCD:
case ARM_USART_EVENT_RI:
#endif;
case SL_USART_EVENT_TRANSFER_COMPLETE:
break;
}
}

void uartConsoleInit(void)
{
int32_t status = 0;
Read_Capabilities();

status = UARTdrv->Initialize(ARM_USART_SignalEvent);
// Setting the GPIO 30 of the radio board (TX)
// Setting the GPIO 29 of the radio board (RX)
RSI_EGPIO_HostPadsGpioModeEnable(30);
RSI_EGPIO_HostPadsGpioModeEnable(29);
sl_si91x_usart_control_config_t usart_config;
usart_config.baudrate = USART_BAUDRATE;
usart_config.mode = SL_USART_MODE_ASYNCHRONOUS;
usart_config.parity = SL_USART_NO_PARITY;
usart_config.stopbits = SL_USART_STOP_BITS_1;
usart_config.hwflowcontrol = SL_USART_FLOW_CONTROL_NONE;
usart_config.databits = SL_USART_DATA_BITS_8;
usart_config.misc_control = SL_USART_MISC_CONTROL_NONE;
usart_config.usart_module = USART_0;
usart_config.config_enable = ENABLE;
usart_config.synch_mode = DISABLE;
sl_si91x_usart_control_config_t get_config;

// Initialized board UART
DEBUGINIT();
if (status != ARM_DRIVER_OK)
{
DEBUGOUT("\r\n UART Initialization Failed, Error Code : %d\r\n", status);
}
else
{
DEBUGOUT("\r\n UART Initialization Success\r\n");
}

// Power up the UART peripheral
status = UARTdrv->PowerControl(ARM_POWER_FULL);
if (status != ARM_DRIVER_OK)
{
DEBUGOUT("\r\n Failed to Set Power to UART, Error Code : %d\r\n", status);
}
else
{
DEBUGOUT("\r\n Configured Power to UART \r\n");
}

// Enable Receiver and Transmitter lines
status = UARTdrv->Control(ARM_USART_CONTROL_TX, 1);
if (status != ARM_DRIVER_OK)
// Initialize the UART
status = sl_si91x_usart_init((usart_peripheral_t) usart_config.usart_module, &usart_handle);
if (status != SL_STATUS_OK)
{
DEBUGOUT("\r\n Failed to Set Transmitter lines to UART, Error Code : %d\r\n", status);
}
else
{
DEBUGOUT("\r\n Set Transmitter lines to UART is sucess \r\n");
DEBUGOUT("sl_si91x_usart_initialize: Error Code : %lu \n", status);
}

status = UARTdrv->Control(ARM_USART_CONTROL_RX, 1);
if (status != ARM_DRIVER_OK)
// Configure the USART configurations
status = sl_si91x_usart_set_configuration(usart_handle, &usart_config);
if (status != SL_STATUS_OK)
{
DEBUGOUT("\r\n Failed to Set Receiver lines to UART, Error Code : %d \r\n", status);
}
else
{
DEBUGOUT("\r\n Set Receiver lines to UART\r\n");
DEBUGOUT("sl_si91x_usart_set_configuration: Error Code : %lu \n", status);
}

UARTdrv->Control(ARM_USART_MODE_ASYNCHRONOUS | ARM_USART_DATA_BITS_8 | ARM_USART_PARITY_NONE | ARM_USART_STOP_BITS_1 |
ARM_USART_FLOW_CONTROL_NONE,
BAUD_VALUE);
if (status != ARM_DRIVER_OK)
{
DEBUGOUT("\r\n Failed to Receive data , Error Code : %d \r\n", status);
}
else
// Register user callback function
status = sl_si91x_usart_register_event_callback(callback_event);
if (status != SL_STATUS_OK)
{
DEBUGOUT("\r\n Receives data success \r\n");
DEBUGOUT("sl_si91x_usart_register_event_callback: Error Code : %lu \n", status);
}

NVIC_EnableIRQ(USART0_IRQn);

NVIC_SetPriority(USART0_IRQn, 7);
}

Expand All @@ -154,8 +113,8 @@ int16_t uartConsoleWrite(const char * Buf, uint16_t BufLength)
return UART_CONSOLE_ERR;
}

status = UARTdrv->Send(Buf, BufLength);
if (status != ARM_DRIVER_OK)
status = sl_si91x_usart_send_data(usart_handle, Buf, BufLength);
if (status != SL_STATUS_OK)
{
return status;
}
Expand All @@ -174,8 +133,9 @@ int16_t uartConsoleRead(char * Buf, uint16_t NbBytesToRead)
{
return UART_CONSOLE_ERR;
}
status = UARTdrv->Receive(Buf, NbBytesToRead);
if (status != ARM_DRIVER_OK)

status = sl_si91x_usart_receive_data(usart_handle, Buf, NbBytesToRead);
if (status != SL_STATUS_OK)
{
return status;
}
Expand Down
2 changes: 1 addition & 1 deletion src/lib/shell/MainLoopSilabs.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -118,8 +118,8 @@ void ReadLine(char * buffer, size_t max)
if (isprint(static_cast<int>(buffer[line_sz])) || buffer[line_sz] == '\t')
{
streamer_printf(streamer_get(), "%c", buffer[line_sz]);
line_sz++;
}
line_sz++;
break;
}
}
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