liz/flipperzero-firmware
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[FL-2839] Furi stream buffer (#1834)

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* Core: stream buffer
* stream buffer: API and usage
* stream buffer: documentation
* stream buffer: more documentation
* Furi: fix spelling

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
This commit is contained in:
Sergey Gavrilov
2022-10-07 22:27:11 +10:00
committed by GitHub
parent d1843c0094
commit 38a82a1907
21 changed files with 403 additions and 208 deletions
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17
applications/main/gpio/usb_uart_bridge.c
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@@ -1,6 +1,5 @@
#include "usb_uart_bridge.h"
#include "furi_hal.h"
#include <stream_buffer.h>
#include <furi_hal_usb_cdc.h>
#include "usb_cdc.h"
#include "cli/cli_vcp.h"
@@ -43,7 +42,7 @@ struct UsbUartBridge {
FuriThread* thread;
FuriThread* tx_thread;
StreamBufferHandle_t rx_stream;
FuriStreamBuffer* rx_stream;
FuriMutex* usb_mutex;
@@ -74,12 +73,10 @@ static int32_t usb_uart_tx_thread(void* context);
static void usb_uart_on_irq_cb(UartIrqEvent ev, uint8_t data, void* context) {
UsbUartBridge* usb_uart = (UsbUartBridge*)context;
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
if(ev == UartIrqEventRXNE) {
xStreamBufferSendFromISR(usb_uart->rx_stream, &data, 1, &xHigherPriorityTaskWoken);
furi_stream_buffer_send(usb_uart->rx_stream, &data, 1, 0);
furi_thread_flags_set(furi_thread_get_id(usb_uart->thread), WorkerEvtRxDone);
portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
}
}
@@ -156,7 +153,7 @@ static int32_t usb_uart_worker(void* context) {
memcpy(&usb_uart->cfg, &usb_uart->cfg_new, sizeof(UsbUartConfig));
usb_uart->rx_stream = xStreamBufferCreate(USB_UART_RX_BUF_SIZE, 1);
usb_uart->rx_stream = furi_stream_buffer_alloc(USB_UART_RX_BUF_SIZE, 1);
usb_uart->tx_sem = furi_semaphore_alloc(1, 1);
usb_uart->usb_mutex = furi_mutex_alloc(FuriMutexTypeNormal);
@@ -189,8 +186,8 @@ static int32_t usb_uart_worker(void* context) {
furi_check((events & FuriFlagError) == 0);
if(events & WorkerEvtStop) break;
if(events & WorkerEvtRxDone) {
size_t len =
xStreamBufferReceive(usb_uart->rx_stream, usb_uart->rx_buf, USB_CDC_PKT_LEN, 0);
size_t len = furi_stream_buffer_receive(
usb_uart->rx_stream, usb_uart->rx_buf, USB_CDC_PKT_LEN, 0);
if(len > 0) {
if(furi_semaphore_acquire(usb_uart->tx_sem, 100) == FuriStatusOk) {
usb_uart->st.rx_cnt += len;
@@ -199,7 +196,7 @@ static int32_t usb_uart_worker(void* context) {
furi_hal_cdc_send(usb_uart->cfg.vcp_ch, usb_uart->rx_buf, len);
furi_check(furi_mutex_release(usb_uart->usb_mutex) == FuriStatusOk);
} else {
xStreamBufferReset(usb_uart->rx_stream);
furi_stream_buffer_reset(usb_uart->rx_stream);
}
}
}
@@ -270,7 +267,7 @@ static int32_t usb_uart_worker(void* context) {
furi_thread_join(usb_uart->tx_thread);
furi_thread_free(usb_uart->tx_thread);
vStreamBufferDelete(usb_uart->rx_stream);
furi_stream_buffer_free(usb_uart->rx_stream);
furi_mutex_free(usb_uart->usb_mutex);
furi_semaphore_free(usb_uart->tx_sem);