From: Martin Mares <mj@ucw.cz>
Date: Sat, 23 Jun 2018 17:50:49 +0000 (+0200)
Subject: USB cleanup
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=7e518cbcf84debef0546b674abcccc2804663b8b;p=home-hw.git

USB cleanup
---

diff --git a/Src/usb_device.c b/Src/usb_device.c
index d9bbefe..611cded 100644
--- a/Src/usb_device.c
+++ b/Src/usb_device.c
@@ -94,8 +94,8 @@ static uint8_t xxx_init(USBD_HandleTypeDef *pdev, uint8_t cfgidx)
   USBD_LL_OpenEP(pdev, 0x81, USBD_EP_TYPE_BULK, 64);
   pdev->ep_in[1].maxpacket = 64;
 
-  // USBD_LL_PrepareReceive(pdev, 0x01, xxx_rx_buf, 64);
-  USBD_LL_Transmit(pdev, 0x81, "brum", 4);
+  USBD_LL_PrepareReceive(pdev, 0x01, xxx_rx_buf, 64);
+  USBD_LL_Transmit(pdev, 0x81, (uint8_t *) "brum", 4);
 
   return USBD_OK;
 }
@@ -162,6 +162,8 @@ static uint8_t xxx_data_out(USBD_HandleTypeDef *pdev, uint8_t epnum)
 {
   USBD_EndpointTypeDef *pep = &pdev->ep_out[1];
   unsigned int len = USBD_LL_GetRxDataSize(pdev, 0x01);
+
+  USBD_LL_PrepareReceive(pdev, 0x01, xxx_rx_buf, 64);
   return USBD_OK;
 }
 
@@ -180,8 +182,7 @@ static uint8_t xxx_iso_out_incomplete(USBD_HandleTypeDef *pdev, uint8_t epnum)
   return USBD_OK;
 }
 
-// FIXME: constify
-static uint8_t xxx_cfg_desc[] = {
+static const uint8_t xxx_cfg_desc[] = {
   // Configuration descriptor
   9,				// bLength
   USB_DESC_TYPE_CONFIGURATION,	// bDescriptorType
@@ -221,11 +222,10 @@ static uint8_t xxx_cfg_desc[] = {
 static uint8_t *xxx_get_cfg_desc(uint16_t *len)
 {
   *len = sizeof(xxx_cfg_desc);
-  return xxx_cfg_desc;
+  return (uint8_t *) xxx_cfg_desc;
 }
 
-// FIXME: constify
-static uint8_t xxx_qual_desc[] = {
+static const uint8_t xxx_qual_desc[] = {
   10,				// bLength
   USB_DESC_TYPE_DEVICE_QUALIFIER,	// bDescriptorType
   0x00, 0x02,			// bcdUSB
@@ -240,7 +240,7 @@ static uint8_t xxx_qual_desc[] = {
 static uint8_t *xxx_get_dev_qual_desc(uint16_t *len)
 {
   *len = sizeof(xxx_qual_desc);
-  return xxx_qual_desc;
+  return (uint8_t *) xxx_qual_desc;
 }
 
 static uint8_t *xxx_get_usr_string_desc(USBD_HandleTypeDef *pdev, uint8_t index, uint16_t *len)
@@ -249,7 +249,7 @@ static uint8_t *xxx_get_usr_string_desc(USBD_HandleTypeDef *pdev, uint8_t index,
   return NULL;
 }
 
-USBD_ClassTypeDef xxx_class = {
+const USBD_ClassTypeDef xxx_class = {
   xxx_init,
   xxx_deinit,
   xxx_setup,
@@ -289,7 +289,7 @@ void MX_USB_DEVICE_Init(void)
 
   USBD_DFU_RegisterMedia(&hUsbDeviceFS, &USBD_DFU_fops_FS);
 #else
-  USBD_RegisterClass(&hUsbDeviceFS, &xxx_class);
+  USBD_RegisterClass(&hUsbDeviceFS, (USBD_ClassTypeDef *) &xxx_class);
 #endif
 
   USBD_Start(&hUsbDeviceFS);