diff options
| author | hathach <[email protected]> | 2019-11-05 10:17:36 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2019-11-05 10:17:36 +0700 |
| commit | 1ab3a1035c997e66b2014e8edfb92e10202cd988 (patch) | |
| tree | 71dba7984372086a3742575a4be52bf507090e80 | |
| parent | 65e96e5d525ea02e0ca7f265a4d62b4f428cc821 (diff) | |
| parent | 3c49ff153e0f5219db9ad93f46672812676b965e (diff) | |
Merge branch 'master' into cr1901-msp430f5529
| -rw-r--r-- | examples/make.mk | 15 | ||||
| -rw-r--r-- | hw/bsp/stm32f070rbnucleo/board.mk | 4 | ||||
| -rw-r--r-- | hw/bsp/stm32f070rbnucleo/stm32f070rbnucleo.c | 44 | ||||
| -rw-r--r-- | hw/bsp/stm32f070rbnucleo/stm32f0xx_hal_conf.h | 4 | ||||
| -rw-r--r-- | hw/bsp/stm32f072disco/board.mk | 3 | ||||
| -rw-r--r-- | hw/bsp/stm32f072disco/stm32f072disco.c | 50 | ||||
| -rw-r--r-- | hw/bsp/stm32f072disco/stm32f0xx_hal_conf.h | 4 | ||||
| -rw-r--r-- | src/class/usbtmc/usbtmc_device.c | 2 | ||||
| -rw-r--r-- | src/device/dcd.h | 38 | ||||
| -rw-r--r-- | src/device/usbd.c | 33 | ||||
| -rw-r--r-- | src/device/usbd_control.c | 18 | ||||
| -rw-r--r-- | src/osal/osal_none.h | 2 |
12 files changed, 151 insertions, 66 deletions
diff --git a/examples/make.mk b/examples/make.mk index 95b2593bd..fc9745131 100644 --- a/examples/make.mk +++ b/examples/make.mk @@ -82,11 +82,16 @@ CFLAGS += \ # Debugging/Optimization ifeq ($(DEBUG), 1) - CFLAGS += -Og -ggdb -DCFG_TUSB_DEBUG=2 + CFLAGS += -Og -ggdb else -ifneq ($(BOARD), spresense) - CFLAGS += -flto -Os -else - CFLAGS += -Os + ifneq ($(BOARD),spresense) + CFLAGS += -flto -Os + else + CFLAGS += -Os + endif endif + +# TUSB Logging option +ifneq ($(LOG),) + CFLAGS += -DCFG_TUSB_DEBUG=$(LOG) endif diff --git a/hw/bsp/stm32f070rbnucleo/board.mk b/hw/bsp/stm32f070rbnucleo/board.mk index 42394d1ad..f930f6a85 100644 --- a/hw/bsp/stm32f070rbnucleo/board.mk +++ b/hw/bsp/stm32f070rbnucleo/board.mk @@ -24,8 +24,8 @@ SRC_C += \ $(ST_HAL_DRIVER)/Src/stm32f0xx_hal_cortex.c \ $(ST_HAL_DRIVER)/Src/stm32f0xx_hal_rcc.c \ $(ST_HAL_DRIVER)/Src/stm32f0xx_hal_rcc_ex.c \ - $(ST_HAL_DRIVER)/Src/stm32f0xx_hal_gpio.c - + $(ST_HAL_DRIVER)/Src/stm32f0xx_hal_gpio.c \ + $(ST_HAL_DRIVER)/Src/stm32f0xx_hal_uart.c SRC_S += \ $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f070xb.s diff --git a/hw/bsp/stm32f070rbnucleo/stm32f070rbnucleo.c b/hw/bsp/stm32f070rbnucleo/stm32f070rbnucleo.c index e51eda927..084d9a92d 100644 --- a/hw/bsp/stm32f070rbnucleo/stm32f070rbnucleo.c +++ b/hw/bsp/stm32f070rbnucleo/stm32f070rbnucleo.c @@ -37,6 +37,24 @@ #define BUTTON_PIN GPIO_PIN_13 #define BUTTON_STATE_ACTIVE 0 +#define UARTx USART2 +#define UART_GPIO_PORT GPIOA +#define UART_GPIO_AF GPIO_AF1_USART2 +#define UART_TX_PIN GPIO_PIN_2 +#define UART_RX_PIN GPIO_PIN_3 + +UART_HandleTypeDef UartHandle; + + // enable all LED, Button, Uart, USB clock +static void all_rcc_clk_enable(void) +{ + __HAL_RCC_GPIOA_CLK_ENABLE(); // USB D+, D- + __HAL_RCC_GPIOC_CLK_ENABLE(); // LED + //__HAL_RCC_GPIOA_CLK_ENABLE(); // Button + //__HAL_RCC_GPIOA_CLK_ENABLE(); // Uart tx, rx + __HAL_RCC_USART2_CLK_ENABLE(); // Uart module +} + void board_init(void) { #if CFG_TUSB_OS == OPT_OS_NONE @@ -74,8 +92,9 @@ void board_init(void) // Notify runtime of frequency change. SystemCoreClockUpdate(); + all_rcc_clk_enable(); + // LED - __HAL_RCC_GPIOA_CLK_ENABLE(); GPIO_InitTypeDef GPIO_InitStruct; GPIO_InitStruct.Pin = LED_PIN; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; @@ -84,13 +103,30 @@ void board_init(void) HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct); // Button - __HAL_RCC_GPIOC_CLK_ENABLE(); GPIO_InitStruct.Pin = BUTTON_PIN; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_PULLDOWN; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct); + // Uart + GPIO_InitStruct.Pin = UART_TX_PIN | UART_RX_PIN; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_PULLUP; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; + GPIO_InitStruct.Alternate = UART_GPIO_AF; + HAL_GPIO_Init(UART_GPIO_PORT, &GPIO_InitStruct); + + UartHandle.Instance = UARTx; + UartHandle.Init.BaudRate = CFG_BOARD_UART_BAUDRATE; + UartHandle.Init.WordLength = UART_WORDLENGTH_8B; + UartHandle.Init.StopBits = UART_STOPBITS_1; + UartHandle.Init.Parity = UART_PARITY_NONE; + UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; + UartHandle.Init.Mode = UART_MODE_TX_RX; + UartHandle.Init.OverSampling = UART_OVERSAMPLING_16; + HAL_UART_Init(&UartHandle); + // Start USB clock __HAL_RCC_USB_CLK_ENABLE(); } @@ -117,8 +153,8 @@ int board_uart_read(uint8_t* buf, int len) int board_uart_write(void const * buf, int len) { - (void) buf; (void) len; - return 0; + HAL_UART_Transmit(&UartHandle, (uint8_t*) buf, len, 0xffff); + return len; } #if CFG_TUSB_OS == OPT_OS_NONE diff --git a/hw/bsp/stm32f070rbnucleo/stm32f0xx_hal_conf.h b/hw/bsp/stm32f070rbnucleo/stm32f0xx_hal_conf.h index 7e3721afc..45fa015f5 100644 --- a/hw/bsp/stm32f070rbnucleo/stm32f0xx_hal_conf.h +++ b/hw/bsp/stm32f070rbnucleo/stm32f0xx_hal_conf.h @@ -66,8 +66,8 @@ /*#define HAL_RTC_MODULE_ENABLED */ /*#define HAL_SPI_MODULE_ENABLED */ /*#define HAL_TIM_MODULE_ENABLED */ -/*#define HAL_UART_MODULE_ENABLED */ -#define HAL_USART_MODULE_ENABLED +#define HAL_UART_MODULE_ENABLED +/*#define HAL_USART_MODULE_ENABLED */ /*#define HAL_IRDA_MODULE_ENABLED */ /*#define HAL_SMARTCARD_MODULE_ENABLED */ /*#define HAL_SMBUS_MODULE_ENABLED */ diff --git a/hw/bsp/stm32f072disco/board.mk b/hw/bsp/stm32f072disco/board.mk index 6529763ee..39715e83f 100644 --- a/hw/bsp/stm32f072disco/board.mk +++ b/hw/bsp/stm32f072disco/board.mk @@ -24,7 +24,8 @@ SRC_C += \ $(ST_HAL_DRIVER)/Src/stm32f0xx_hal_cortex.c \ $(ST_HAL_DRIVER)/Src/stm32f0xx_hal_rcc.c \ $(ST_HAL_DRIVER)/Src/stm32f0xx_hal_rcc_ex.c \ - $(ST_HAL_DRIVER)/Src/stm32f0xx_hal_gpio.c + $(ST_HAL_DRIVER)/Src/stm32f0xx_hal_gpio.c \ + $(ST_HAL_DRIVER)/Src/stm32f0xx_hal_uart.c SRC_S += \ $(ST_CMSIS)/Source/Templates/gcc/startup_stm32f072xb.s diff --git a/hw/bsp/stm32f072disco/stm32f072disco.c b/hw/bsp/stm32f072disco/stm32f072disco.c index 46cb09490..aac1c5534 100644 --- a/hw/bsp/stm32f072disco/stm32f072disco.c +++ b/hw/bsp/stm32f072disco/stm32f072disco.c @@ -37,6 +37,24 @@ #define BUTTON_PIN GPIO_PIN_0 #define BUTTON_STATE_ACTIVE 1 +#define UARTx USART1 +#define UART_GPIO_PORT GPIOA +#define UART_GPIO_AF GPIO_AF1_USART1 +#define UART_TX_PIN GPIO_PIN_9 +#define UART_RX_PIN GPIO_PIN_10 + + +UART_HandleTypeDef UartHandle; + +// enable all LED, Button, Uart, USB clock +static void all_rcc_clk_enable(void) +{ + __HAL_RCC_GPIOA_CLK_ENABLE(); // USB D+, D- + __HAL_RCC_GPIOC_CLK_ENABLE(); // LED + //__HAL_RCC_GPIOA_CLK_ENABLE(); // Button + //__HAL_RCC_GPIOA_CLK_ENABLE(); // Uart tx, rx + __HAL_RCC_USART1_CLK_ENABLE(); // Uart module +} /** * @brief System Clock Configuration @@ -83,12 +101,11 @@ void board_init(void) #endif SystemClock_Config(); - - // Notify runtime of frequency change. SystemCoreClockUpdate(); + + all_rcc_clk_enable(); // LED - __HAL_RCC_GPIOC_CLK_ENABLE(); GPIO_InitTypeDef GPIO_InitStruct; GPIO_InitStruct.Pin = LED_PIN; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; @@ -97,16 +114,32 @@ void board_init(void) HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct); // Button - __HAL_RCC_GPIOA_CLK_ENABLE(); GPIO_InitStruct.Pin = BUTTON_PIN; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_PULLDOWN; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct); + // Uart + GPIO_InitStruct.Pin = UART_TX_PIN | UART_RX_PIN; + GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; + GPIO_InitStruct.Pull = GPIO_PULLUP; + GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; + GPIO_InitStruct.Alternate = UART_GPIO_AF; + HAL_GPIO_Init(UART_GPIO_PORT, &GPIO_InitStruct); + + UartHandle.Instance = UARTx; + UartHandle.Init.BaudRate = CFG_BOARD_UART_BAUDRATE; + UartHandle.Init.WordLength = UART_WORDLENGTH_8B; + UartHandle.Init.StopBits = UART_STOPBITS_1; + UartHandle.Init.Parity = UART_PARITY_NONE; + UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE; + UartHandle.Init.Mode = UART_MODE_TX_RX; + UartHandle.Init.OverSampling = UART_OVERSAMPLING_16; + HAL_UART_Init(&UartHandle); + // USB Pins // Configure USB DM and DP pins. This is optional, and maintained only for user guidance. - __HAL_RCC_GPIOA_CLK_ENABLE(); GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12); GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_NOPULL; @@ -139,8 +172,8 @@ int board_uart_read(uint8_t* buf, int len) int board_uart_write(void const * buf, int len) { - (void) buf; (void) len; - return 0; + HAL_UART_Transmit(&UartHandle, (uint8_t*) buf, len, 0xffff); + return len; } #if CFG_TUSB_OS == OPT_OS_NONE @@ -170,7 +203,8 @@ void HardFault_Handler (void) * @retval None */ void assert_failed(char *file, uint32_t line) -{ +{ + (void) file; (void) line; /* USER CODE BEGIN 6 */ /* User can add his own implementation to report the file name and line number, tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ diff --git a/hw/bsp/stm32f072disco/stm32f0xx_hal_conf.h b/hw/bsp/stm32f072disco/stm32f0xx_hal_conf.h index 7e3721afc..d001f252c 100644 --- a/hw/bsp/stm32f072disco/stm32f0xx_hal_conf.h +++ b/hw/bsp/stm32f072disco/stm32f0xx_hal_conf.h @@ -66,8 +66,8 @@ /*#define HAL_RTC_MODULE_ENABLED */ /*#define HAL_SPI_MODULE_ENABLED */ /*#define HAL_TIM_MODULE_ENABLED */ -/*#define HAL_UART_MODULE_ENABLED */ -#define HAL_USART_MODULE_ENABLED +#define HAL_UART_MODULE_ENABLED +//#define HAL_USART_MODULE_ENABLED /*#define HAL_IRDA_MODULE_ENABLED */ /*#define HAL_SMARTCARD_MODULE_ENABLED */ /*#define HAL_SMBUS_MODULE_ENABLED */ diff --git a/src/class/usbtmc/usbtmc_device.c b/src/class/usbtmc/usbtmc_device.c index c8e742fc5..916422752 100644 --- a/src/class/usbtmc/usbtmc_device.c +++ b/src/class/usbtmc/usbtmc_device.c @@ -656,7 +656,7 @@ bool usbtmcd_control_request_cb(uint8_t rhport, tusb_control_request_t const * r TU_VERIFY(request->wLength == sizeof(rsp)); TU_VERIFY(request->wIndex == usbtmc_state.ep_bulk_out); TU_VERIFY(tud_usbtmc_check_abort_bulk_out_cb(&rsp)); - TU_VERIFY(usbd_edpt_xfer(rhport, 0u, (void*)&rsp,sizeof(rsp))); + TU_VERIFY(tud_control_xfer(rhport, request, (void*)&rsp,sizeof(rsp))); return true; } diff --git a/src/device/dcd.h b/src/device/dcd.h index c88465cbb..d6e8b2029 100644 --- a/src/device/dcd.h +++ b/src/device/dcd.h @@ -124,50 +124,20 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr); void dcd_control_status_complete(uint8_t rhport) TU_ATTR_WEAK;
//--------------------------------------------------------------------+
-// Event API
+// Event API (Implemented by device stack)
//--------------------------------------------------------------------+
// Called by DCD to notify device stack
extern void dcd_event_handler(dcd_event_t const * event, bool in_isr);
// helper to send bus signal event
-static inline void dcd_event_bus_signal (uint8_t rhport, dcd_eventid_t eid, bool in_isr);
+extern void dcd_event_bus_signal (uint8_t rhport, dcd_eventid_t eid, bool in_isr);
// helper to send setup received
-static inline void dcd_event_setup_received(uint8_t rhport, uint8_t const * setup, bool in_isr);
+extern void dcd_event_setup_received(uint8_t rhport, uint8_t const * setup, bool in_isr);
// helper to send transfer complete event
-static inline void dcd_event_xfer_complete (uint8_t rhport, uint8_t ep_addr, uint32_t xferred_bytes, uint8_t result, bool in_isr);
-
-
-//--------------------------------------------------------------------+
-// Inline helper
-//--------------------------------------------------------------------+
-
-static inline void dcd_event_bus_signal (uint8_t rhport, dcd_eventid_t eid, bool in_isr)
-{
- dcd_event_t event = { .rhport = rhport, .event_id = eid, };
- dcd_event_handler(&event, in_isr);
-}
-
-static inline void dcd_event_setup_received(uint8_t rhport, uint8_t const * setup, bool in_isr)
-{
- dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_SETUP_RECEIVED };
- memcpy(&event.setup_received, setup, 8);
-
- dcd_event_handler(&event, in_isr);
-}
-
-static inline void dcd_event_xfer_complete (uint8_t rhport, uint8_t ep_addr, uint32_t xferred_bytes, uint8_t result, bool in_isr)
-{
- dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_XFER_COMPLETE };
-
- event.xfer_complete.ep_addr = ep_addr;
- event.xfer_complete.len = xferred_bytes;
- event.xfer_complete.result = result;
-
- dcd_event_handler(&event, in_isr);
-}
+extern void dcd_event_xfer_complete (uint8_t rhport, uint8_t ep_addr, uint32_t xferred_bytes, uint8_t result, bool in_isr);
#ifdef __cplusplus
}
diff --git a/src/device/usbd.c b/src/device/usbd.c index 360881f34..85ec4acd6 100644 --- a/src/device/usbd.c +++ b/src/device/usbd.c @@ -377,7 +377,7 @@ void tud_task (void) case DCD_EVENT_SETUP_RECEIVED:
TU_LOG2(" ");
- TU_LOG2_MEM(&event.setup_received, 1, 8);
+ TU_LOG1_MEM(&event.setup_received, 1, 8);
// Mark as connected after receiving 1st setup packet.
// But it is easier to set it every time instead of wasting time to check then set
@@ -386,6 +386,7 @@ void tud_task (void) // Process control request
if ( !process_control_request(event.rhport, &event.setup_received) )
{
+ TU_LOG1(" Stall EP0\r\n");
// Failed -> stall both control endpoint IN and OUT
dcd_edpt_stall(event.rhport, 0);
dcd_edpt_stall(event.rhport, 0 | TUSB_DIR_IN_MASK);
@@ -405,6 +406,7 @@ void tud_task (void) if ( 0 == epnum )
{
+ TU_LOG1(" EP Addr = 0x%02X, len = %ld\r\n", ep_addr, event.xfer_complete.len);
usbd_control_xfer_cb(event.rhport, ep_addr, event.xfer_complete.result, event.xfer_complete.len);
}
else
@@ -589,7 +591,7 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const // stall control endpoint if driver return false
usbd_control_set_complete_callback(usbd_class_drivers[drvid].control_complete);
TU_LOG2(" %s control request\r\n", _usbd_driver_str[drvid]);
- TU_ASSERT(usbd_class_drivers[drvid].control_request != NULL &&
+ TU_VERIFY(usbd_class_drivers[drvid].control_request != NULL &&
usbd_class_drivers[drvid].control_request(rhport, p_request));
break;
}
@@ -599,7 +601,7 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const // stall control endpoint if driver return false
usbd_control_set_complete_callback(usbd_class_drivers[drvid].control_complete);
TU_LOG2(" %s control request\r\n", _usbd_driver_str[drvid]);
- TU_ASSERT(usbd_class_drivers[drvid].control_request != NULL &&
+ TU_VERIFY(usbd_class_drivers[drvid].control_request != NULL &&
usbd_class_drivers[drvid].control_request(rhport, p_request));
}
}
@@ -898,6 +900,31 @@ void dcd_event_handler(dcd_event_t const * event, bool in_isr) }
}
+void dcd_event_bus_signal (uint8_t rhport, dcd_eventid_t eid, bool in_isr)
+{
+ dcd_event_t event = { .rhport = rhport, .event_id = eid, };
+ dcd_event_handler(&event, in_isr);
+}
+
+void dcd_event_setup_received(uint8_t rhport, uint8_t const * setup, bool in_isr)
+{
+ dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_SETUP_RECEIVED };
+ memcpy(&event.setup_received, setup, 8);
+
+ dcd_event_handler(&event, in_isr);
+}
+
+void dcd_event_xfer_complete (uint8_t rhport, uint8_t ep_addr, uint32_t xferred_bytes, uint8_t result, bool in_isr)
+{
+ dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_XFER_COMPLETE };
+
+ event.xfer_complete.ep_addr = ep_addr;
+ event.xfer_complete.len = xferred_bytes;
+ event.xfer_complete.result = result;
+
+ dcd_event_handler(&event, in_isr);
+}
+
//--------------------------------------------------------------------+
// Helper
//--------------------------------------------------------------------+
diff --git a/src/device/usbd_control.c b/src/device/usbd_control.c index d37e9ec2a..e0352e7e2 100644 --- a/src/device/usbd_control.c +++ b/src/device/usbd_control.c @@ -51,19 +51,29 @@ typedef struct static usbd_control_xfer_t _ctrl_xfer;
-CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN uint8_t _usbd_ctrl_buf[CFG_TUD_ENDPOINT0_SIZE];
+CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN static uint8_t _usbd_ctrl_buf[CFG_TUD_ENDPOINT0_SIZE];
//--------------------------------------------------------------------+
// Application API
//--------------------------------------------------------------------+
-bool tud_control_status(uint8_t rhport, tusb_control_request_t const * request)
+static inline bool _status_stage_xact(uint8_t rhport, tusb_control_request_t const * request)
{
// status direction is reversed to one in the setup packet
return dcd_edpt_xfer(rhport, request->bmRequestType_bit.direction ? EDPT_CTRL_OUT : EDPT_CTRL_IN, NULL, 0);
}
+bool tud_control_status(uint8_t rhport, tusb_control_request_t const * request)
+{
+ _ctrl_xfer.request = (*request);
+ _ctrl_xfer.buffer = NULL;
+ _ctrl_xfer.total_xferred = 0;
+ _ctrl_xfer.data_len = 0;
+
+ return _status_stage_xact(rhport, request);
+}
+
// Transfer an transaction in Data Stage
// Each transaction has up to Endpoint0's max packet size.
// This function can also transfer an zero-length packet
@@ -98,7 +108,7 @@ bool tud_control_xfer(uint8_t rhport, tusb_control_request_t const * request, vo }else
{
// Status stage
- TU_ASSERT( tud_control_status(rhport, request) );
+ TU_ASSERT( _status_stage_xact(rhport, request) );
}
return true;
@@ -159,7 +169,7 @@ bool usbd_control_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t result if ( is_ok )
{
// Send status
- TU_ASSERT( tud_control_status(rhport, &_ctrl_xfer.request) );
+ TU_ASSERT( _status_stage_xact(rhport, &_ctrl_xfer.request) );
}else
{
// Stall both IN and OUT control endpoint
diff --git a/src/osal/osal_none.h b/src/osal/osal_none.h index fa581215d..5868dfb36 100644 --- a/src/osal/osal_none.h +++ b/src/osal/osal_none.h @@ -198,6 +198,8 @@ static inline bool osal_queue_send(osal_queue_t const qhdl, void const * data, b _osal_q_unlock(qhdl);
}
+ TU_ASSERT(success);
+
return success;
}
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