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middleware/usb/uC-USBH/App/CDC/app_usbh_cdc_acm.c

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+/*
+*********************************************************************************************************
+*                                            EXAMPLE CODE
+*
+*               This file is provided as an example on how to use Micrium products.
+*
+*               Please feel free to use any application code labeled as 'EXAMPLE CODE' in
+*               your application products.  Example code may be used as is, in whole or in
+*               part, or may be used as a reference only. This file can be modified as
+*               required to meet the end-product requirements.
+*
+*********************************************************************************************************
+*/
+
+/*
+*********************************************************************************************************
+*
+*                                  USB HOST CDC ACM TEST APPLICATION
+*
+*                                              TEMPLATE
+*
+* Filename : app_usbh_cdc_acm.c
+* Version  : V3.42.01
+*********************************************************************************************************
+*/
+
+#define  APP_USBH_CDC_ACM_MODULE
+
+
+/*
+*********************************************************************************************************
+*                                            INCLUDE FILES
+*********************************************************************************************************
+*/
+
+#include  <app_usbh.h>
+#include  <lib_str.h>
+#include  "app_usbh_cdc_acm.h"
+
+
+/*
+*********************************************************************************************************
+*                                            LOCAL DEFINES
+*********************************************************************************************************
+*/
+
+
+/*
+*********************************************************************************************************
+*                                           LOCAL CONSTANTS
+*********************************************************************************************************
+*/
+
+static  CPU_INT08U  App_USBH_CDC_ACM_AT_Cmds[][10u] = {
+   {'A', 'T', 'Q', '0', 'V', '1', 'E', '0', '\r', '\0'},
+   {'A', 'T', 'I', '0', '\r', '\0'},
+   {'A', 'T', 'I', '1', '\r', '\0'},
+   {'A', 'T', 'I', '2', '\r', '\0'},
+   {'A', 'T', 'I', '3', '\r', '\0'},
+   {'A', 'T', 'I', '7', '\r', '\0'}
+};
+
+
+/*
+*********************************************************************************************************
+*                                          LOCAL DATA TYPES
+*********************************************************************************************************
+*/
+
+
+/*
+*********************************************************************************************************
+*                                            LOCAL TABLES
+*********************************************************************************************************
+*/
+
+
+/*
+*********************************************************************************************************
+*                                       LOCAL GLOBAL VARIABLES
+*********************************************************************************************************
+*/
+
+static  USBH_STK           App_USBH_CDC_ACM_AT_CmdsTaskStk[APP_CFG_USBH_CDC_MAIN_TASK_STK_SIZE];
+static  USBH_HSEM          App_USBH_CDC_ACM_IsConnSem;
+
+static  USBH_CDC_DEV      *App_USBH_CDC_Ptr;
+static  USBH_CDC_ACM_DEV  *App_USBH_CDC_ACM_Ptr;
+
+static  CPU_INT08U         App_USBH_CDC_ACM_RxBuf[256u];
+
+
+/*
+*********************************************************************************************************
+*                                      LOCAL FUNCTION PROTOTYPES
+*********************************************************************************************************
+*/
+
+static  void  App_USBH_CDC_ClassNotify       (void                   *p_class_dev,
+                                              CPU_INT08U              state,
+                                              void                   *p_ctx);
+
+static  void  App_USBH_CDC_ACM_DevConn       (USBH_CDC_DEV           *p_cdc_dev);
+
+static  void  App_USBH_CDC_ACM_DevDisconn    (USBH_CDC_DEV           *p_cdc_dev);
+
+static  void  App_USBH_CDC_ACM_ATTask        (void                   *p_ctx);
+
+static  void  App_USBH_CDC_ACM_SerEventNotify(USBH_CDC_SERIAL_STATE   serial_state);
+
+
+/*
+*********************************************************************************************************
+*                                     LOCAL CONFIGURATION ERRORS
+*********************************************************************************************************
+*/
+
+
+/*
+*********************************************************************************************************
+*                   INITIALIZED GLOBAL VARIABLES ACCESSES BY OTHER MODULES/OBJECTS
+*********************************************************************************************************
+*/
+
+
+/*
+*********************************************************************************************************
+*********************************************************************************************************
+*                                           GLOBAL FUNCTION
+*********************************************************************************************************
+*********************************************************************************************************
+*/
+
+/*
+*********************************************************************************************************
+*                                       App_USBH_CDC_ACM_Init()
+*
+* Description : Register CDC notify callback.
+*
+* Argument(s) : None.
+*
+* Return(s)   : USBH_ERR_NONE,       if application initialized successfully.
+*
+*               Specific error code, otherwise.
+*
+* Note(s)     : None.
+*********************************************************************************************************
+*/
+
+USBH_ERR  App_USBH_CDC_ACM_Init (void)
+{
+    USBH_HTASK  htask;
+    USBH_ERR    err;
+
+
+    err = USBH_CDC_ACM_GlobalInit();
+    if (err != USBH_ERR_NONE) {
+        return (err);
+    }
+
+                                                                /* ----------- REGISTER DRV & NOTIFICATION ------------ */
+    err = USBH_ClassDrvReg(       &USBH_CDC_ClassDrv,
+                                   App_USBH_CDC_ClassNotify,
+                           (void *)0);
+    if (err != USBH_ERR_NONE) {
+        return (err);
+    }
+
+    err = USBH_OS_SemCreate(&App_USBH_CDC_ACM_IsConnSem, 0u);
+    if (err != USBH_ERR_NONE) {
+        return (err);
+    }
+
+                                                                /* Create task for AT Cmds handling.                    */
+    err = USBH_OS_TaskCreate(              "Demo AT cmds Task",
+                                            APP_CFG_USBH_CDC_MAIN_TASK_PRIO,
+                                            App_USBH_CDC_ACM_ATTask,
+                             (void       *) 0,
+                             (CPU_INT32U *)&App_USBH_CDC_ACM_AT_CmdsTaskStk[0],
+                                            APP_CFG_USBH_CDC_MAIN_TASK_STK_SIZE,
+                                           &htask);
+
+    return (err);
+}
+
+
+/*
+*********************************************************************************************************
+*********************************************************************************************************
+*                                           LOCAL FUNCTION
+*********************************************************************************************************
+*********************************************************************************************************
+*/
+
+/*
+*********************************************************************************************************
+*                                     App_USBH_CDC_ClassNotify()
+*
+* Description : Handle device state change notification for CDC devices.
+*
+* Argument(s) : p_class_dev     Pointer to class device.
+*
+*               state           State.
+*
+*               p_ctx           Pointer to context.
+*
+* Return(s)   : None.
+*
+* Note(s)     : None.
+*********************************************************************************************************
+*/
+
+static  void  App_USBH_CDC_ClassNotify (void        *p_class_dev,
+                                        CPU_INT08U   state,
+                                        void        *p_ctx)
+{
+    USBH_CDC_DEV  *p_cdc_dev;
+
+
+    (void)p_ctx;
+    p_cdc_dev = (USBH_CDC_DEV *)p_class_dev;
+
+    switch (state) {
+        case USBH_CLASS_DEV_STATE_CONN:                         /* ---------------- CDC DEVICE CONN'D ----------------- */
+             APP_TRACE_INFO(("CDC ACM Demo: Device Connected\r\n"));
+
+             App_USBH_CDC_ACM_DevConn(p_cdc_dev);
+             USBH_OS_SemPost(App_USBH_CDC_ACM_IsConnSem);       /* Resume CDC task                                      */
+             break;
+
+        case USBH_CLASS_DEV_STATE_DISCONN:                      /* ---------------- CDC DEVICE REMOVED ---------------- */
+             APP_TRACE_INFO(("CDC ACM Demo: Device Removed\r\n"));
+
+             App_USBH_CDC_ACM_DevDisconn(p_cdc_dev);
+             break;
+
+        default:
+             break;
+    }
+}
+
+
+/*
+*********************************************************************************************************
+*                                     App_USBH_CDC_ACM_DevConn()
+*
+* Description : This function is called when CDC device is connected.
+*
+* Argument(s) : pcdc_dev          Pointer to CDC device.
+*
+* Return(s)   : None.
+*
+* Note(s)     : None.
+*********************************************************************************************************
+*/
+
+static  void  App_USBH_CDC_ACM_DevConn (USBH_CDC_DEV  *p_cdc_dev)
+{
+    USBH_ERR    err;
+    CPU_INT08U  sub_class;
+    CPU_INT08U  protocol;
+    CPU_INT08U  current_stop_bits;
+    CPU_INT08U  current_parity_val;
+    CPU_INT08U  current_data_bits;
+    CPU_INT32U  current_baud_rate;
+
+
+    App_USBH_CDC_Ptr = p_cdc_dev;
+
+    err = USBH_CDC_RefAdd(p_cdc_dev);                           /* Add ref.                                             */
+    if (err != USBH_ERR_NONE) {
+        APP_TRACE_INFO(("Error in USBH_CDC_RefAdd(): %d\r\n", err));
+        return;
+    }
+
+    err = USBH_CDC_SubclassGet(p_cdc_dev, &sub_class);          /* Get CDC subclass of dev.                             */
+    if (err != USBH_ERR_NONE) {
+        APP_TRACE_INFO(("Error in USBH_CDC_SubclassGet(): %d\r\n", err));
+        (void)USBH_CDC_RefRel(p_cdc_dev);
+        return;
+    }
+
+    err = USBH_CDC_ProtocolGet(p_cdc_dev, &protocol);           /* Get protocol supported by dev.                       */
+    if (err != USBH_ERR_NONE) {
+        APP_TRACE_INFO(("Error in USBH_CDC_ProtocolGet(): %d\r\n", err));
+        (void)USBH_CDC_RefRel(p_cdc_dev);
+        return;
+    }
+
+    if (sub_class != USBH_CDC_CONTROL_SUBCLASS_CODE_ACM) {
+        APP_TRACE_INFO(("Subclass not supported\r\n"));
+        (void)USBH_CDC_RefRel(p_cdc_dev);
+        return;
+    }
+
+    if ((protocol != USBH_CDC_CONTROL_PROTOCOL_CODE_USB    ) &&
+        (protocol != USBH_CDC_CONTROL_PROTOCOL_CODE_V_25_AT) &&
+        (protocol != USBH_CDC_CONTROL_PROTOCOL_CODE_VENDOR )) {
+        APP_TRACE_INFO(("Protocol not supported\r\n"));
+        (void)USBH_CDC_RefRel(p_cdc_dev);
+        return;
+    }
+
+    App_USBH_CDC_ACM_Ptr = USBH_CDC_ACM_Add(App_USBH_CDC_Ptr,
+                                           &err);
+    if (err != USBH_ERR_NONE) {
+        APP_TRACE_INFO(("Error in USBH_CDC_ACM_Add(): %d\r\n", err));
+        (void)USBH_CDC_RefRel(p_cdc_dev);
+        return;
+    }
+
+    USBH_CDC_ACM_EventRxNotifyReg(App_USBH_CDC_ACM_Ptr,
+                                  App_USBH_CDC_ACM_SerEventNotify);
+
+    err = USBH_CDC_ACM_LineCodingSet(App_USBH_CDC_ACM_Ptr,      /* Set new ser cfg for USB Modem.                       */
+                                     USBH_CDC_ACM_LINE_CODING_BAUDRATE_19200,
+                                     USBH_CDC_ACM_LINE_CODING_STOP_BIT_2,
+                                     USBH_CDC_ACM_LINE_CODING_PARITY_NONE,
+                                     USBH_CDC_ACM_LINE_CODING_DATA_BITS_8);
+    if (err != USBH_ERR_NONE) {
+        APP_TRACE_INFO(("Error in USBH_CDC_ACM_LineCodingSet(): %d\r\n", err));
+        App_USBH_CDC_ACM_DevDisconn(p_cdc_dev);
+        return;
+    }
+
+    USBH_CDC_ACM_LineCodingGet(App_USBH_CDC_ACM_Ptr,            /* Check if new serial cfg has been set.                */
+                              &current_baud_rate,
+                              &current_stop_bits,
+                              &current_parity_val,
+                              &current_data_bits);
+
+    if ((current_baud_rate  != USBH_CDC_ACM_LINE_CODING_BAUDRATE_19200) ||
+        (current_stop_bits  != USBH_CDC_ACM_LINE_CODING_STOP_BIT_2    ) ||
+        (current_parity_val != USBH_CDC_ACM_LINE_CODING_PARITY_NONE   ) ||
+        (current_data_bits  != USBH_CDC_ACM_LINE_CODING_DATA_BITS_8   )) {
+        APP_TRACE_INFO(("Demo :Line parameters didn't match\r\n"));
+    }
+
+    err = USBH_CDC_ACM_LineStateSet(App_USBH_CDC_ACM_Ptr,       /* Activate Carrier and indicates DCE that DTE is present.*/
+                                    USBH_CDC_ACM_DTR_SET,
+                                    USBH_CDC_ACM_RTS_SET);
+    if (err != USBH_ERR_NONE) {
+        APP_TRACE_INFO(("Error in USBH_CDC_ACM_LineStateSet(): %d\r\n", err));
+        App_USBH_CDC_ACM_DevDisconn(p_cdc_dev);
+        return;
+    }
+}
+
+
+/*
+*********************************************************************************************************
+*                                    App_USBH_CDC_ACM_DevDisconn()
+*
+* Description : This function is called when CDC device is disconnected.
+*
+* Argument(s) : pcdc_dev          Pointer to CDC device.
+*
+* Return(s)   : None.
+*
+* Note(s)     : None.
+*********************************************************************************************************
+*/
+
+static  void  App_USBH_CDC_ACM_DevDisconn (USBH_CDC_DEV  *p_cdc_dev)
+{
+    (void)USBH_CDC_ACM_Remove(App_USBH_CDC_ACM_Ptr);
+    (void)USBH_CDC_RefRel(p_cdc_dev);
+}
+
+
+/*
+*********************************************************************************************************
+*                                      App_USBH_CDC_ACM_ATTask()
+*
+* Description : Sends a set of AT commands to the USB modem. The USB modem will answer to these commands
+*               with a success/failed status or a data. The status/data of the AT command is displayed by
+*               the function App_USBH_CDC_ACM_SerRxDataAvail().
+*               AT commands used in the demo:
+*               - ATI0: Four-digit product code.
+*               - ATI1: Results of ROM checksum.
+*               - ATI2: Results of RAM checksum.
+*               - ATI3: Product type.
+*               - ATI7: Product configuration.
+*
+* Argument(s) : pctx            Pointer to the context.
+*
+* Return(s)   : None.
+*
+* Note(s)     : None.
+*********************************************************************************************************
+*/
+
+static  void  App_USBH_CDC_ACM_ATTask (void  *p_ctx)
+{
+    USBH_ERR    err;
+    CPU_INT08U  i;
+    CPU_INT32U  AT_cmd_len;
+    CPU_INT32U  xfer_len;
+    CPU_INT32U  ix;
+
+
+    (void)p_ctx;
+
+    while (1) {
+                                                                /* ------------- WAIT FOR DEV CONNECTION. ------------- */
+        USBH_OS_SemWait(App_USBH_CDC_ACM_IsConnSem, 0u);
+
+        err = USBH_ERR_NONE;
+
+        for (i = 0u; i < 6u; i++) {
+                                                                /* ------------------ PRINT COMMAND ------------------- */
+            APP_TRACE_INFO(("========== AT CMD ==========\r\n"));
+            APP_TRACE_INFO(("%s\r\n", App_USBH_CDC_ACM_AT_Cmds[i]));
+
+                                                                /* ------------------ PROCESS AT CMD ------------------ */
+            AT_cmd_len = Str_Len((CPU_CHAR *)App_USBH_CDC_ACM_AT_Cmds[i]);
+            xfer_len   = USBH_CDC_ACM_DataTx(App_USBH_CDC_ACM_Ptr,
+                                             App_USBH_CDC_ACM_AT_Cmds[i],
+                                             AT_cmd_len,
+                                            &err);
+
+            if (err == USBH_ERR_NONE) {
+                xfer_len = USBH_CDC_ACM_DataRx(App_USBH_CDC_ACM_Ptr,
+                                               App_USBH_CDC_ACM_RxBuf,
+                                               256u,
+                                              &err);
+
+                                                                /* --------------- PRINT AT CMD RESULT ---------------- */
+                if (err == USBH_ERR_NONE) {
+
+                    APP_TRACE_INFO(("====== STATUS / DATA =======\r\n"));
+                    for (ix = 0u; ix < xfer_len; ix++) {
+                        APP_TRACE_INFO(("%c", App_USBH_CDC_ACM_RxBuf[ix]));
+                    }
+                    APP_TRACE_INFO(("\r\n\r\n"));
+                } else {
+                    APP_TRACE_INFO(("Error in USBH_CDC_ACM_DataRx(): %d\r\n", err));
+                }
+            } else {
+                APP_TRACE_INFO(("Error in USBH_CDC_ACM_DataTx(): %d\r\n", err));
+            }
+        }
+    }
+}
+
+
+/*
+*********************************************************************************************************
+*                                  App_USBH_CDC_ACM_SerEventNotify()
+*
+* Description : This function is used to notify the application about the state of the device.
+*
+* Arguments   : line_status     Status of the device.
+*
+* Return(s)   : USBH_ERR_NONE.
+*
+* Note(s)     : none.
+*********************************************************************************************************
+*/
+
+void  App_USBH_CDC_ACM_SerEventNotify (USBH_CDC_SERIAL_STATE  serial_state)
+{
+    if (serial_state.Break == DEF_TRUE) {
+        APP_TRACE_INFO(("break signal\r\n"));
+    }
+    if (serial_state.RingSignal == DEF_TRUE) {
+        APP_TRACE_INFO(("Ring indicator\r\n"));
+    }
+    if (serial_state.Framing == DEF_TRUE) {
+        APP_TRACE_INFO(("Frame error\r\n"));
+    }
+    if (serial_state.Parity == DEF_TRUE) {
+        APP_TRACE_INFO(("Parity error\r\n"));
+    }
+    if (serial_state.OverRun == DEF_TRUE) {
+        APP_TRACE_INFO(("Buf over run\r\n"));
+    }
+}
+
+
+/*
+*********************************************************************************************************
+*                                                  END
+*********************************************************************************************************
+*/

middleware/usb/uC-USBH/App/CDC/app_usbh_cdc_acm.h

@@ -0,0 +1,102 @@
+/*
+*********************************************************************************************************
+*                                            EXAMPLE CODE
+*
+*               This file is provided as an example on how to use Micrium products.
+*
+*               Please feel free to use any application code labeled as 'EXAMPLE CODE' in
+*               your application products.  Example code may be used as is, in whole or in
+*               part, or may be used as a reference only. This file can be modified as
+*               required to meet the end-product requirements.
+*
+*********************************************************************************************************
+*/
+
+/*
+*********************************************************************************************************
+*
+*                                  USB HOST CDC ACM TEST APPLICATION
+*
+*                                              TEMPLATE
+*
+* Filename : app_usbh_cdc_acm.c
+* Version  : V3.42.01
+*********************************************************************************************************
+*/
+
+#ifndef  APP_USBH_CDC_ACM_H
+#define  APP_USBH_CDC_ACM_H
+
+
+/*
+**************************************************************************************************************
+*                                            INCLUDE FILES
+**************************************************************************************************************
+*/
+
+#include  <Class/CDC/ACM/usbh_acm.h>
+
+
+/*
+**************************************************************************************************************
+*                                               EXTERNS
+**************************************************************************************************************
+*/
+
+#ifdef   APP_USBH_CDC_ACM_MODULE
+#define  APP_USBH_CDC_ACM_EXT
+#else
+#define  APP_USBH_CDC_ACM_EXT  extern
+#endif
+
+/*
+**************************************************************************************************************
+*                                               DEFINES
+**************************************************************************************************************
+*/
+
+
+/*
+**************************************************************************************************************
+*                                             DATA TYPES
+**************************************************************************************************************
+*/
+
+
+/*
+**************************************************************************************************************
+*                                          GLOBAL VARIABLES
+**************************************************************************************************************
+*/
+
+
+/*
+**************************************************************************************************************
+*                                               MACRO'S
+**************************************************************************************************************
+*/
+
+
+/*
+**************************************************************************************************************
+*                                         FUNCTION PROTOTYPES
+**************************************************************************************************************
+*/
+
+USBH_ERR  App_USBH_CDC_ACM_Init (void);
+
+
+/*
+**************************************************************************************************************
+*                                        CONFIGURATION ERRORS
+**************************************************************************************************************
+*/
+
+
+#endif
+
+/*
+**************************************************************************************************************
+*                                                 END
+**************************************************************************************************************
+*/