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UART echo app (#831)

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* HAL: add context to UART IRQ's
* Apps: uart echo/log application
* Sync api
* Another api sync
This commit is contained in:
SG 2021-11-20 08:19:31 +10:00 committed by GitHub
parent 4303945748
commit 013ed64cbb
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
10 changed files with 498 additions and 107 deletions
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5
applications/applications.c
View File

@ -20,6 +20,7 @@ extern int32_t desktop_srv(void* p);
extern int32_t accessor_app(void* p);
extern int32_t archive_app(void* p);
extern int32_t bad_usb_app(void* p);
extern int32_t uart_echo_app(void* p);
extern int32_t blink_test_app(void* p);
extern int32_t bt_debug_app(void* p);
extern int32_t delay_test_app(void* p);
@ -236,6 +237,10 @@ const FlipperApplication FLIPPER_DEBUG_APPS[] = {
{.app = bad_usb_app, .name = "Bad USB test", .stack_size = 2048, .icon = NULL},
#endif
#ifdef APP_UART_ECHO
{.app = uart_echo_app, .name = "Uart Echo", .stack_size = 2048, .icon = NULL},
#endif
#ifdef APP_IRDA_MONITOR
{.app = irda_monitor_app, .name = "Irda Monitor", .stack_size = 1024, .icon = NULL},
#endif

6
applications/applications.mk
View File

@ -48,6 +48,7 @@ APP_DISPLAY_TEST = 1
APP_USB_MOUSE = 1
APP_BAD_USB = 1
APP_UART_ECHO = 1
endif
@ -132,6 +133,11 @@ CFLAGS += -DAPP_USB_TEST
SRV_GUI = 1
endif
APP_UART_ECHO ?= 0
ifeq ($(APP_UART_ECHO), 1)
CFLAGS += -DAPP_UART_ECHO
SRV_GUI = 1
endif
APP_DISPLAY_TEST ?= 0
ifeq ($(APP_DISPLAY_TEST), 1)

268
applications/debug_tools/uart_echo.c Normal file
View File

@ -0,0 +1,268 @@
#include <furi.h>
#include <m-string.h>
#include <gui/gui.h>
#include <notification/notification.h>
#include <notification/notification-messages.h>
#include <gui/elements.h>
#include <stream_buffer.h>
#include <furi-hal-uart.h>
#include <furi-hal-console.h>
#include <gui/view_dispatcher.h>
#include <gui/modules/dialog_ex.h>
#define LINES_ON_SCREEN 6
#define COLUMNS_ON_SCREEN 21
typedef struct UartDumpModel UartDumpModel;
typedef struct {
Gui* gui;
NotificationApp* notification;
ViewDispatcher* view_dispatcher;
View* view;
FuriThread* worker_thread;
StreamBufferHandle_t rx_stream;
} UartEchoApp;
typedef struct {
string_t text;
} ListElement;
struct UartDumpModel {
ListElement* list[LINES_ON_SCREEN];
uint8_t line;
char last_char;
bool escape;
};
typedef enum {
WorkerEventReserved = (1 << 0), // Reserved for StreamBuffer internal event
WorkerEventStop = (1 << 1),
WorkerEventRx = (1 << 2),
} WorkerEventFlags;
#define WORKER_EVENTS_MASK (WorkerEventStop | WorkerEventRx)
const NotificationSequence sequence_notification = {
&message_display_on,
&message_green_255,
&message_delay_10,
NULL,
};
static void uart_echo_view_draw_callback(Canvas* canvas, void* _model) {
UartDumpModel* model = _model;
// Prepare canvas
canvas_clear(canvas);
canvas_set_color(canvas, ColorBlack);
canvas_set_font(canvas, FontKeyboard);
for(size_t i = 0; i < LINES_ON_SCREEN; i++) {
canvas_draw_str(
canvas,
0,
(i + 1) * (canvas_current_font_height(canvas) - 1),
string_get_cstr(model->list[i]->text));
if(i == model->line) {
uint8_t width = canvas_string_width(canvas, string_get_cstr(model->list[i]->text));
canvas_draw_box(
canvas,
width,
(i) * (canvas_current_font_height(canvas) - 1) + 2,
2,
canvas_current_font_height(canvas) - 2);
}
}
}
static bool uart_echo_view_input_callback(InputEvent* event, void* context) {
bool consumed = false;
return consumed;
}
static uint32_t uart_echo_exit(void* context) {
return VIEW_NONE;
}
static void uart_echo_on_irq_cb(UartIrqEvent ev, uint8_t data, void* context) {
furi_assert(context);
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
UartEchoApp* app = context;
if(ev == UartIrqEventRXNE) {
xStreamBufferSendFromISR(app->rx_stream, &data, 1, &xHigherPriorityTaskWoken);
osThreadFlagsSet(furi_thread_get_thread_id(app->worker_thread), WorkerEventRx);
portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
}
}
static void uart_echo_push_to_list(UartDumpModel* model, const char data) {
if(model->escape) {
// escape code end with letter
if((data >= 'a' && data <= 'z') || (data >= 'A' && data <= 'Z')) {
model->escape = false;
}
} else if(data == '[' && model->last_char == '\e') {
// "Esc[" is a escape code
model->escape = true;
} else if((data >= ' ' && data <= '~') || (data == '\n' || data == '\r')) {
bool new_string_needed = false;
if(string_size(model->list[model->line]->text) >= COLUMNS_ON_SCREEN) {
new_string_needed = true;
} else if((data == '\n' || data == '\r')) {
// pack line breaks
if(model->last_char != '\n' && model->last_char != '\r') {
new_string_needed = true;
}
}
if(new_string_needed) {
if((model->line + 1) < LINES_ON_SCREEN) {
model->line += 1;
} else {
ListElement* first = model->list[0];
for(size_t i = 1; i < LINES_ON_SCREEN; i++) {
model->list[i - 1] = model->list[i];
}
string_reset(first->text);
model->list[model->line] = first;
}
}
if(data != '\n' && data != '\r') {
string_push_back(model->list[model->line]->text, data);
}
}
model->last_char = data;
}
static int32_t uart_echo_worker(void* context) {
furi_assert(context);
UartEchoApp* app = context;
while(1) {
uint32_t events = osThreadFlagsWait(WORKER_EVENTS_MASK, osFlagsWaitAny, osWaitForever);
furi_check((events & osFlagsError) == 0);
if(events & WorkerEventStop) break;
if(events & WorkerEventRx) {
size_t length = 0;
do {
uint8_t data[64];
length = xStreamBufferReceive(app->rx_stream, data, 64, 0);
if(length > 0) {
furi_hal_uart_tx(FuriHalUartIdUSART1, data, length);
with_view_model(
app->view, (UartDumpModel * model) {
for(size_t i = 0; i < length; i++) {
uart_echo_push_to_list(model, data[i]);
}
return false;
});
}
} while(length > 0);
notification_message(app->notification, &sequence_notification);
with_view_model(
app->view, (UartDumpModel * model) { return true; });
}
}
return 0;
}
static UartEchoApp* uart_echo_app_alloc() {
UartEchoApp* app = furi_alloc(sizeof(UartEchoApp));
app->rx_stream = xStreamBufferCreate(2048, 1);
// Gui
app->gui = furi_record_open("gui");
app->notification = furi_record_open("notification");
// View dispatcher
app->view_dispatcher = view_dispatcher_alloc();
view_dispatcher_enable_queue(app->view_dispatcher);
view_dispatcher_attach_to_gui(app->view_dispatcher, app->gui, ViewDispatcherTypeFullscreen);
// Views
app->view = view_alloc();
view_set_draw_callback(app->view, uart_echo_view_draw_callback);
view_set_input_callback(app->view, uart_echo_view_input_callback);
view_allocate_model(app->view, ViewModelTypeLocking, sizeof(UartDumpModel));
with_view_model(
app->view, (UartDumpModel * model) {
for(size_t i = 0; i < LINES_ON_SCREEN; i++) {
model->line = 0;
model->escape = false;
model->list[i] = furi_alloc(sizeof(ListElement));
string_init(model->list[i]->text);
}
return true;
});
view_set_previous_callback(app->view, uart_echo_exit);
view_dispatcher_add_view(app->view_dispatcher, 0, app->view);
view_dispatcher_switch_to_view(app->view_dispatcher, 0);
// Enable uart listener
furi_hal_console_disable();
furi_hal_uart_set_br(FuriHalUartIdUSART1, 115200);
furi_hal_uart_set_irq_cb(FuriHalUartIdUSART1, uart_echo_on_irq_cb, app);
app->worker_thread = furi_thread_alloc();
furi_thread_set_name(app->worker_thread, "UsbUartWorker");
furi_thread_set_stack_size(app->worker_thread, 1024);
furi_thread_set_context(app->worker_thread, app);
furi_thread_set_callback(app->worker_thread, uart_echo_worker);
furi_thread_start(app->worker_thread);
return app;
}
static void uart_echo_app_free(UartEchoApp* app) {
furi_assert(app);
osThreadFlagsSet(furi_thread_get_thread_id(app->worker_thread), WorkerEventStop);
furi_thread_join(app->worker_thread);
furi_thread_free(app->worker_thread);
furi_hal_console_enable();
// Free views
view_dispatcher_remove_view(app->view_dispatcher, 0);
with_view_model(
app->view, (UartDumpModel * model) {
for(size_t i = 0; i < LINES_ON_SCREEN; i++) {
string_clear(model->list[i]->text);
free(model->list[i]);
}
return true;
});
view_free(app->view);
view_dispatcher_free(app->view_dispatcher);
// Close gui record
furi_record_close("gui");
furi_record_close("notification");
app->gui = NULL;
vStreamBufferDelete(app->rx_stream);
// Free rest
free(app);
}
int32_t uart_echo_app(void* p) {
UartEchoApp* app = uart_echo_app_alloc();
view_dispatcher_run(app->view_dispatcher);
uart_echo_app_free(app);
return 0;
}

6
applications/gpio/usb_uart_bridge.c
View File

@ -57,7 +57,7 @@ static CdcCallbacks cdc_cb = {
static int32_t usb_uart_tx_thread(void* context);
static void usb_uart_on_irq_cb(UartIrqEvent ev, uint8_t data) {
static void usb_uart_on_irq_cb(UartIrqEvent ev, uint8_t data, void* context) {
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
if(ev == UartIrqEventRXNE) {
@ -94,10 +94,10 @@ static int32_t usb_uart_worker(void* context) {
furi_hal_console_disable();
} else if(usb_uart->cfg.uart_ch == FuriHalUartIdLPUART1) {
furi_hal_uart_init(usb_uart->cfg.uart_ch, 115200);
furi_hal_uart_set_irq_cb(usb_uart->cfg.uart_ch, usb_uart_on_irq_cb);
furi_hal_uart_set_irq_cb(usb_uart->cfg.uart_ch, usb_uart_on_irq_cb, NULL);
}
furi_hal_uart_set_irq_cb(usb_uart->cfg.uart_ch, usb_uart_on_irq_cb);
furi_hal_uart_set_irq_cb(usb_uart->cfg.uart_ch, usb_uart_on_irq_cb, NULL);
if(usb_uart->cfg.baudrate != 0)
furi_hal_uart_set_br(usb_uart->cfg.uart_ch, usb_uart->cfg.baudrate);
else

2
firmware/targets/f6/furi-hal/furi-hal-console.c
View File

@ -24,7 +24,7 @@ void furi_hal_console_init() {
}
void furi_hal_console_enable() {
furi_hal_uart_set_irq_cb(FuriHalUartIdUSART1, NULL);
furi_hal_uart_set_irq_cb(FuriHalUartIdUSART1, NULL, NULL);
while (!LL_USART_IsActiveFlag_TC(USART1));
furi_hal_uart_set_br(FuriHalUartIdUSART1, CONSOLE_BAUDRATE);
furi_hal_console_alive = true;

47
firmware/targets/f6/furi-hal/furi-hal-uart.c
View File

@ -6,7 +6,8 @@
#include <furi.h>
static void (*irq_cb[2])(uint8_t ev, uint8_t data);
static void (*irq_cb[2])(uint8_t ev, uint8_t data, void* context);
static void* irq_ctx[2];
static void furi_hal_usart_init(uint32_t baud) {
hal_gpio_init_ex(
@ -38,7 +39,8 @@ static void furi_hal_usart_init(uint32_t baud) {
LL_USART_Enable(USART1);
while(!LL_USART_IsActiveFlag_TEACK(USART1));
while(!LL_USART_IsActiveFlag_TEACK(USART1))
;
LL_USART_EnableIT_RXNE_RXFNE(USART1);
LL_USART_EnableIT_IDLE(USART1);
@ -74,7 +76,8 @@ static void furi_hal_lpuart_init(uint32_t baud) {
LL_LPUART_Enable(LPUART1);
while((!(LL_LPUART_IsActiveFlag_TEACK(LPUART1))) || (!(LL_LPUART_IsActiveFlag_REACK(LPUART1))));
while((!(LL_LPUART_IsActiveFlag_TEACK(LPUART1))) || (!(LL_LPUART_IsActiveFlag_REACK(LPUART1))))
;
furi_hal_uart_set_br(FuriHalUartIdLPUART1, baud);
@ -94,16 +97,19 @@ void furi_hal_uart_set_br(FuriHalUartId ch, uint32_t baud) {
if(ch == FuriHalUartIdUSART1) {
if(LL_USART_IsEnabled(USART1)) {
// Wait for transfer complete flag
while (!LL_USART_IsActiveFlag_TC(USART1));
while(!LL_USART_IsActiveFlag_TC(USART1))
;
LL_USART_Disable(USART1);
uint32_t uartclk = LL_RCC_GetUSARTClockFreq(LL_RCC_USART1_CLKSOURCE);
LL_USART_SetBaudRate(USART1, uartclk, LL_USART_PRESCALER_DIV1, LL_USART_OVERSAMPLING_16, baud);
LL_USART_SetBaudRate(
USART1, uartclk, LL_USART_PRESCALER_DIV1, LL_USART_OVERSAMPLING_16, baud);
LL_USART_Enable(USART1);
}
} else if(ch == FuriHalUartIdLPUART1) {
if(LL_LPUART_IsEnabled(LPUART1)) {
// Wait for transfer complete flag
while (!LL_LPUART_IsActiveFlag_TC(LPUART1));
while(!LL_LPUART_IsActiveFlag_TC(LPUART1))
;
LL_LPUART_Disable(LPUART1);
uint32_t uartclk = LL_RCC_GetLPUARTClockFreq(LL_RCC_LPUART1_CLKSOURCE);
if(uartclk / baud > 4095) {
@ -119,7 +125,7 @@ void furi_hal_uart_set_br(FuriHalUartId ch, uint32_t baud) {
}
void furi_hal_uart_deinit(FuriHalUartId ch) {
furi_hal_uart_set_irq_cb(ch, NULL);
furi_hal_uart_set_irq_cb(ch, NULL, NULL);
if(ch == FuriHalUartIdUSART1) {
LL_USART_Disable(USART1);
hal_gpio_init(&gpio_usart_tx, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
@ -133,11 +139,11 @@ void furi_hal_uart_deinit(FuriHalUartId ch) {
void furi_hal_uart_tx(FuriHalUartId ch, uint8_t* buffer, size_t buffer_size) {
if(ch == FuriHalUartIdUSART1) {
if (LL_USART_IsEnabled(USART1) == 0)
return;
if(LL_USART_IsEnabled(USART1) == 0) return;
while(buffer_size > 0) {
while (!LL_USART_IsActiveFlag_TXE(USART1));
while(!LL_USART_IsActiveFlag_TXE(USART1))
;
LL_USART_TransmitData8(USART1, *buffer);
buffer++;
@ -145,11 +151,11 @@ void furi_hal_uart_tx(FuriHalUartId ch, uint8_t* buffer, size_t buffer_size) {
}
} else if(ch == FuriHalUartIdLPUART1) {
if (LL_LPUART_IsEnabled(LPUART1) == 0)
return;
if(LL_LPUART_IsEnabled(LPUART1) == 0) return;
while(buffer_size > 0) {
while (!LL_LPUART_IsActiveFlag_TXE(LPUART1));
while(!LL_LPUART_IsActiveFlag_TXE(LPUART1))
;
LL_LPUART_TransmitData8(LPUART1, *buffer);
@ -159,14 +165,19 @@ void furi_hal_uart_tx(FuriHalUartId ch, uint8_t* buffer, size_t buffer_size) {
}
}
void furi_hal_uart_set_irq_cb(FuriHalUartId ch, void (*cb)(UartIrqEvent ev, uint8_t data)) {
void furi_hal_uart_set_irq_cb(
FuriHalUartId ch,
void (*cb)(UartIrqEvent ev, uint8_t data, void* ctx),
void* ctx) {
if(cb == NULL) {
if(ch == FuriHalUartIdUSART1)
NVIC_DisableIRQ(USART1_IRQn);
else if(ch == FuriHalUartIdLPUART1)
NVIC_DisableIRQ(LPUART1_IRQn);
irq_cb[ch] = cb;
irq_ctx[ch] = ctx;
} else {
irq_ctx[ch] = ctx;
irq_cb[ch] = cb;
if(ch == FuriHalUartIdUSART1)
NVIC_EnableIRQ(USART1_IRQn);
@ -178,9 +189,9 @@ void furi_hal_uart_set_irq_cb(FuriHalUartId ch, void (*cb)(UartIrqEvent ev, uint
void LPUART1_IRQHandler(void) {
if(LL_LPUART_IsActiveFlag_RXNE_RXFNE(LPUART1)) {
uint8_t data = LL_LPUART_ReceiveData8(LPUART1);
irq_cb[FuriHalUartIdLPUART1](UartIrqEventRXNE, data);
irq_cb[FuriHalUartIdLPUART1](UartIrqEventRXNE, data, irq_ctx[FuriHalUartIdLPUART1]);
} else if(LL_LPUART_IsActiveFlag_IDLE(LPUART1)) {
irq_cb[FuriHalUartIdLPUART1](UartIrqEventIDLE, 0);
irq_cb[FuriHalUartIdLPUART1](UartIrqEventIDLE, 0, irq_ctx[FuriHalUartIdLPUART1]);
LL_LPUART_ClearFlag_IDLE(LPUART1);
} else if(LL_LPUART_IsActiveFlag_ORE(LPUART1)) {
LL_LPUART_ClearFlag_ORE(LPUART1);
@ -191,9 +202,9 @@ void LPUART1_IRQHandler(void) {
void USART1_IRQHandler(void) {
if(LL_USART_IsActiveFlag_RXNE_RXFNE(USART1)) {
uint8_t data = LL_USART_ReceiveData8(USART1);
irq_cb[FuriHalUartIdUSART1](UartIrqEventRXNE, data);
irq_cb[FuriHalUartIdUSART1](UartIrqEventRXNE, data, irq_ctx[FuriHalUartIdUSART1]);
} else if(LL_USART_IsActiveFlag_IDLE(USART1)) {
irq_cb[FuriHalUartIdUSART1](UartIrqEventIDLE, 0);
irq_cb[FuriHalUartIdUSART1](UartIrqEventIDLE, 0, irq_ctx[FuriHalUartIdUSART1]);
LL_USART_ClearFlag_IDLE(USART1);
} else if(LL_USART_IsActiveFlag_ORE(USART1)) {
LL_USART_ClearFlag_ORE(USART1);

54
firmware/targets/f6/furi-hal/furi-hal-uart.h
View File

@ -1,3 +1,10 @@
/**
* @file furi-hal-uart.h
* @version 1.0
* @date 2021-11-19
*
* UART HAL api interface
*/
#pragma once
#include <stddef.h>
@ -7,26 +14,63 @@
extern "C" {
#endif
/**
* UART channels
*/
typedef enum {
FuriHalUartIdUSART1,
FuriHalUartIdLPUART1,
} FuriHalUartId;
/**
* UART events
*/
typedef enum {
UartIrqEventRXNE,
UartIrqEventIDLE,
//TODO: more events
} UartIrqEvent;
void furi_hal_uart_init(FuriHalUartId ch, uint32_t baud);
/**
* Init UART
* Configures GPIO to UART function, сonfigures UART hardware, enables UART hardware
* @param channel UART channel
* @param baud baudrate
*/
void furi_hal_uart_init(FuriHalUartId channel, uint32_t baud);
void furi_hal_uart_deinit(FuriHalUartId ch);
/**
* Deinit UART
* Configures GPIO to analog, clears callback and callback context, disables UART hardware
* @param channel UART channel
*/
void furi_hal_uart_deinit(FuriHalUartId channel);
void furi_hal_uart_set_br(FuriHalUartId ch, uint32_t baud);
/**
* Changes UART baudrate
* @param channel UART channel
* @param baud baudrate
*/
void furi_hal_uart_set_br(FuriHalUartId channel, uint32_t baud);
void furi_hal_uart_tx(FuriHalUartId ch, uint8_t* buffer, size_t buffer_size);
/**
* Transmits data
* @param channel UART channel
* @param buffer data
* @param buffer_size data size (in bytes)
*/
void furi_hal_uart_tx(FuriHalUartId channel, uint8_t* buffer, size_t buffer_size);
void furi_hal_uart_set_irq_cb(FuriHalUartId ch, void (*cb)(UartIrqEvent ev, uint8_t data));
/**
* Sets UART event callback
* @param channel UART channel
* @param callback callback pointer
* @param context callback context
*/
void furi_hal_uart_set_irq_cb(
FuriHalUartId channel,
void (*callback)(UartIrqEvent event, uint8_t data, void* context),
void* context);
#ifdef __cplusplus
}

20
firmware/targets/f7/furi-hal/furi-hal-console.c
View File

@ -24,32 +24,33 @@ void furi_hal_console_init() {
}
void furi_hal_console_enable() {
furi_hal_uart_set_irq_cb(FuriHalUartIdUSART1, NULL);
while (!LL_USART_IsActiveFlag_TC(USART1));
furi_hal_uart_set_irq_cb(FuriHalUartIdUSART1, NULL, NULL);
while(!LL_USART_IsActiveFlag_TC(USART1))
;
furi_hal_uart_set_br(FuriHalUartIdUSART1, CONSOLE_BAUDRATE);
furi_hal_console_alive = true;
}
void furi_hal_console_disable() {
while (!LL_USART_IsActiveFlag_TC(USART1));
while(!LL_USART_IsActiveFlag_TC(USART1))
;
furi_hal_console_alive = false;
}
void furi_hal_console_tx(const uint8_t* buffer, size_t buffer_size) {
if (!furi_hal_console_alive)
return;
if(!furi_hal_console_alive) return;
UTILS_ENTER_CRITICAL_SECTION();
// Transmit data
furi_hal_uart_tx(FuriHalUartIdUSART1, (uint8_t*)buffer, buffer_size);
// Wait for TC flag to be raised for last char
while (!LL_USART_IsActiveFlag_TC(USART1));
while(!LL_USART_IsActiveFlag_TC(USART1))
;
UTILS_EXIT_CRITICAL_SECTION();
}
void furi_hal_console_tx_with_new_line(const uint8_t* buffer, size_t buffer_size) {
if (!furi_hal_console_alive)
return;
if(!furi_hal_console_alive) return;
UTILS_ENTER_CRITICAL_SECTION();
// Transmit data
@ -57,7 +58,8 @@ void furi_hal_console_tx_with_new_line(const uint8_t* buffer, size_t buffer_size
// Transmit new line symbols
furi_hal_uart_tx(FuriHalUartIdUSART1, (uint8_t*)"\r\n", 2);
// Wait for TC flag to be raised for last char
while (!LL_USART_IsActiveFlag_TC(USART1));
while(!LL_USART_IsActiveFlag_TC(USART1))
;
UTILS_EXIT_CRITICAL_SECTION();
}

47
firmware/targets/f7/furi-hal/furi-hal-uart.c
View File

@ -6,7 +6,8 @@
#include <furi.h>
static void (*irq_cb[2])(uint8_t ev, uint8_t data);
static void (*irq_cb[2])(uint8_t ev, uint8_t data, void* context);
static void* irq_ctx[2];
static void furi_hal_usart_init(uint32_t baud) {
hal_gpio_init_ex(
@ -38,7 +39,8 @@ static void furi_hal_usart_init(uint32_t baud) {
LL_USART_Enable(USART1);
while(!LL_USART_IsActiveFlag_TEACK(USART1));
while(!LL_USART_IsActiveFlag_TEACK(USART1))
;
LL_USART_EnableIT_RXNE_RXFNE(USART1);
LL_USART_EnableIT_IDLE(USART1);
@ -74,7 +76,8 @@ static void furi_hal_lpuart_init(uint32_t baud) {
LL_LPUART_Enable(LPUART1);
while((!(LL_LPUART_IsActiveFlag_TEACK(LPUART1))) || (!(LL_LPUART_IsActiveFlag_REACK(LPUART1))));
while((!(LL_LPUART_IsActiveFlag_TEACK(LPUART1))) || (!(LL_LPUART_IsActiveFlag_REACK(LPUART1))))
;
furi_hal_uart_set_br(FuriHalUartIdLPUART1, baud);
@ -94,16 +97,19 @@ void furi_hal_uart_set_br(FuriHalUartId ch, uint32_t baud) {
if(ch == FuriHalUartIdUSART1) {
if(LL_USART_IsEnabled(USART1)) {
// Wait for transfer complete flag
while (!LL_USART_IsActiveFlag_TC(USART1));
while(!LL_USART_IsActiveFlag_TC(USART1))
;
LL_USART_Disable(USART1);
uint32_t uartclk = LL_RCC_GetUSARTClockFreq(LL_RCC_USART1_CLKSOURCE);
LL_USART_SetBaudRate(USART1, uartclk, LL_USART_PRESCALER_DIV1, LL_USART_OVERSAMPLING_16, baud);
LL_USART_SetBaudRate(
USART1, uartclk, LL_USART_PRESCALER_DIV1, LL_USART_OVERSAMPLING_16, baud);
LL_USART_Enable(USART1);
}
} else if(ch == FuriHalUartIdLPUART1) {
if(LL_LPUART_IsEnabled(LPUART1)) {
// Wait for transfer complete flag
while (!LL_LPUART_IsActiveFlag_TC(LPUART1));
while(!LL_LPUART_IsActiveFlag_TC(LPUART1))
;
LL_LPUART_Disable(LPUART1);
uint32_t uartclk = LL_RCC_GetLPUARTClockFreq(LL_RCC_LPUART1_CLKSOURCE);
if(uartclk / baud > 4095) {
@ -119,7 +125,7 @@ void furi_hal_uart_set_br(FuriHalUartId ch, uint32_t baud) {
}
void furi_hal_uart_deinit(FuriHalUartId ch) {
furi_hal_uart_set_irq_cb(ch, NULL);
furi_hal_uart_set_irq_cb(ch, NULL, NULL);
if(ch == FuriHalUartIdUSART1) {
LL_USART_Disable(USART1);
hal_gpio_init(&gpio_usart_tx, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
@ -133,11 +139,11 @@ void furi_hal_uart_deinit(FuriHalUartId ch) {
void furi_hal_uart_tx(FuriHalUartId ch, uint8_t* buffer, size_t buffer_size) {
if(ch == FuriHalUartIdUSART1) {
if (LL_USART_IsEnabled(USART1) == 0)
return;
if(LL_USART_IsEnabled(USART1) == 0) return;
while(buffer_size > 0) {
while (!LL_USART_IsActiveFlag_TXE(USART1));
while(!LL_USART_IsActiveFlag_TXE(USART1))
;
LL_USART_TransmitData8(USART1, *buffer);
buffer++;
@ -145,11 +151,11 @@ void furi_hal_uart_tx(FuriHalUartId ch, uint8_t* buffer, size_t buffer_size) {
}
} else if(ch == FuriHalUartIdLPUART1) {
if (LL_LPUART_IsEnabled(LPUART1) == 0)
return;
if(LL_LPUART_IsEnabled(LPUART1) == 0) return;
while(buffer_size > 0) {
while (!LL_LPUART_IsActiveFlag_TXE(LPUART1));
while(!LL_LPUART_IsActiveFlag_TXE(LPUART1))
;
LL_LPUART_TransmitData8(LPUART1, *buffer);
@ -159,14 +165,19 @@ void furi_hal_uart_tx(FuriHalUartId ch, uint8_t* buffer, size_t buffer_size) {
}
}
void furi_hal_uart_set_irq_cb(FuriHalUartId ch, void (*cb)(UartIrqEvent ev, uint8_t data)) {
void furi_hal_uart_set_irq_cb(
FuriHalUartId ch,
void (*cb)(UartIrqEvent ev, uint8_t data, void* ctx),
void* ctx) {
if(cb == NULL) {
if(ch == FuriHalUartIdUSART1)
NVIC_DisableIRQ(USART1_IRQn);
else if(ch == FuriHalUartIdLPUART1)
NVIC_DisableIRQ(LPUART1_IRQn);
irq_cb[ch] = cb;
irq_ctx[ch] = ctx;
} else {
irq_ctx[ch] = ctx;
irq_cb[ch] = cb;
if(ch == FuriHalUartIdUSART1)
NVIC_EnableIRQ(USART1_IRQn);
@ -178,9 +189,9 @@ void furi_hal_uart_set_irq_cb(FuriHalUartId ch, void (*cb)(UartIrqEvent ev, uint
void LPUART1_IRQHandler(void) {
if(LL_LPUART_IsActiveFlag_RXNE_RXFNE(LPUART1)) {
uint8_t data = LL_LPUART_ReceiveData8(LPUART1);
irq_cb[FuriHalUartIdLPUART1](UartIrqEventRXNE, data);
irq_cb[FuriHalUartIdLPUART1](UartIrqEventRXNE, data, irq_ctx[FuriHalUartIdLPUART1]);
} else if(LL_LPUART_IsActiveFlag_IDLE(LPUART1)) {
irq_cb[FuriHalUartIdLPUART1](UartIrqEventIDLE, 0);
irq_cb[FuriHalUartIdLPUART1](UartIrqEventIDLE, 0, irq_ctx[FuriHalUartIdLPUART1]);
LL_LPUART_ClearFlag_IDLE(LPUART1);
} else if(LL_LPUART_IsActiveFlag_ORE(LPUART1)) {
LL_LPUART_ClearFlag_ORE(LPUART1);
@ -191,9 +202,9 @@ void LPUART1_IRQHandler(void) {
void USART1_IRQHandler(void) {
if(LL_USART_IsActiveFlag_RXNE_RXFNE(USART1)) {
uint8_t data = LL_USART_ReceiveData8(USART1);
irq_cb[FuriHalUartIdUSART1](UartIrqEventRXNE, data);
irq_cb[FuriHalUartIdUSART1](UartIrqEventRXNE, data, irq_ctx[FuriHalUartIdUSART1]);
} else if(LL_USART_IsActiveFlag_IDLE(USART1)) {
irq_cb[FuriHalUartIdUSART1](UartIrqEventIDLE, 0);
irq_cb[FuriHalUartIdUSART1](UartIrqEventIDLE, 0, irq_ctx[FuriHalUartIdUSART1]);
LL_USART_ClearFlag_IDLE(USART1);
} else if(LL_USART_IsActiveFlag_ORE(USART1)) {
LL_USART_ClearFlag_ORE(USART1);

54
firmware/targets/f7/furi-hal/furi-hal-uart.h
View File

@ -1,3 +1,10 @@
/**
* @file furi-hal-uart.h
* @version 1.0
* @date 2021-11-19
*
* UART HAL api interface
*/
#pragma once
#include <stddef.h>
@ -7,26 +14,63 @@
extern "C" {
#endif
/**
* UART channels
*/
typedef enum {
FuriHalUartIdUSART1,
FuriHalUartIdLPUART1,
} FuriHalUartId;
/**
* UART events
*/
typedef enum {
UartIrqEventRXNE,
UartIrqEventIDLE,
//TODO: more events
} UartIrqEvent;
void furi_hal_uart_init(FuriHalUartId ch, uint32_t baud);
/**
* Init UART
* Configures GPIO to UART function, сonfigures UART hardware, enables UART hardware
* @param channel UART channel
* @param baud baudrate
*/
void furi_hal_uart_init(FuriHalUartId channel, uint32_t baud);
void furi_hal_uart_deinit(FuriHalUartId ch);
/**
* Deinit UART
* Configures GPIO to analog, clears callback and callback context, disables UART hardware
* @param channel UART channel
*/
void furi_hal_uart_deinit(FuriHalUartId channel);
void furi_hal_uart_set_br(FuriHalUartId ch, uint32_t baud);
/**
* Changes UART baudrate
* @param channel UART channel
* @param baud baudrate
*/
void furi_hal_uart_set_br(FuriHalUartId channel, uint32_t baud);
void furi_hal_uart_tx(FuriHalUartId ch, uint8_t* buffer, size_t buffer_size);
/**
* Transmits data
* @param channel UART channel
* @param buffer data
* @param buffer_size data size (in bytes)
*/
void furi_hal_uart_tx(FuriHalUartId channel, uint8_t* buffer, size_t buffer_size);
void furi_hal_uart_set_irq_cb(FuriHalUartId ch, void (*cb)(UartIrqEvent ev, uint8_t data));
/**
* Sets UART event callback
* @param channel UART channel
* @param callback callback pointer
* @param context callback context
*/
void furi_hal_uart_set_irq_cb(
FuriHalUartId channel,
void (*callback)(UartIrqEvent event, uint8_t data, void* context),
void* context);
#ifdef __cplusplus
}