1 /*******************************************************************************
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20 * http://www.renesas.com/disclaimer
21 * Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
22 *******************************************************************************/
23 /*******************************************************************************
24 * File Name : usb0_function_dma.c
26 * $Date:: 2014-07-09 16:29:19 +0900#$
31 * Description : RZ/A1H R7S72100 USB Sample Program
34 *******************************************************************************/
37 /*******************************************************************************
38 Includes <System Includes> , "Project Includes"
39 *******************************************************************************/
40 #include "usb0_function.h"
43 /*******************************************************************************
45 *******************************************************************************/
48 /*******************************************************************************
50 *******************************************************************************/
53 /*******************************************************************************
54 Imported global variables and functions (from other files)
55 *******************************************************************************/
58 /*******************************************************************************
59 Exported global variables and functions (to be accessed by other files)
60 *******************************************************************************/
63 /*******************************************************************************
64 Private global variables and functions
65 *******************************************************************************/
66 static void usb0_function_dmaint(uint16_t fifo);
67 static void usb0_function_dmaint_buf2fifo(uint16_t pipe);
68 static void usb0_function_dmaint_fifo2buf(uint16_t pipe);
71 /*******************************************************************************
72 * Function Name: usb0_function_dma_stop_d0
73 * Description : D0FIFO DMA stop
74 * Arguments : uint16_t pipe : pipe number
75 * : uint32_t remain : transfer byte
77 *******************************************************************************/
78 void usb0_function_dma_stop_d0 (uint16_t pipe, uint32_t remain)
85 dfacc = RZA_IO_RegRead_16(&USB200.D0FBCFG, USB_DnFBCFG_DFACC_SHIFT, USB_DnFBCFG_DFACC);
97 if (g_usb0_function_DmaInfo[USB_FUNCTION_D0FIFO].size == 2)
101 else if (g_usb0_function_DmaInfo[USB_FUNCTION_D0FIFO].size == 1)
111 if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1)
113 if (g_usb0_function_pipe_status[pipe] != DEVDRV_USBF_PIPE_DONE)
115 buffer = USB200.D0FIFOCTR;
116 dtln = (buffer & USB_FUNCTION_BITDTLN);
118 if ((dtln % sds_b) != 0)
120 remain += (sds_b - (dtln % sds_b));
122 g_usb0_function_PipeDataSize[pipe] = (g_usb0_function_data_count[pipe] - remain);
123 g_usb0_function_data_count[pipe] = remain;
127 RZA_IO_RegWrite_16(&USB200.D0FIFOSEL, 0, USB_DnFIFOSEL_DREQE_SHIFT, USB_DnFIFOSEL_DREQE);
130 /*******************************************************************************
131 * Function Name: usb0_function_dma_stop_d1
132 * Description : D1FIFO DMA stop
133 * Arguments : uint16_t pipe : pipe number
134 * : uint32_t remain : transfer byte
135 * Return Value : none
136 *******************************************************************************/
137 void usb0_function_dma_stop_d1 (uint16_t pipe, uint32_t remain)
144 dfacc = RZA_IO_RegRead_16(&USB200.D1FBCFG, USB_DnFBCFG_DFACC_SHIFT, USB_DnFBCFG_DFACC);
156 if (g_usb0_function_DmaInfo[USB_FUNCTION_D1FIFO].size == 2)
160 else if (g_usb0_function_DmaInfo[USB_FUNCTION_D1FIFO].size == 1)
170 if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 1)
172 if (g_usb0_function_pipe_status[pipe] != DEVDRV_USBF_PIPE_DONE)
174 buffer = USB200.D1FIFOCTR;
175 dtln = (buffer & USB_FUNCTION_BITDTLN);
177 if ((dtln % sds_b) != 0)
179 remain += (sds_b - (dtln % sds_b));
181 g_usb0_function_PipeDataSize[pipe] = (g_usb0_function_data_count[pipe] - remain);
182 g_usb0_function_data_count[pipe] = remain;
186 RZA_IO_RegWrite_16(&USB200.D1FIFOSEL, 0, USB_DnFIFOSEL_DREQE_SHIFT, USB_DnFIFOSEL_DREQE);
189 /*******************************************************************************
190 * Function Name: usb0_function_dma_interrupt_d0fifo
191 * Description : This function is DMA interrupt handler entry.
192 * : Execute usb0_function_dmaint() after disabling DMA interrupt in this function.
193 * : Disable DMA interrupt to DMAC executed when USB_FUNCTION_D0FIFO_DMA is
194 * : specified by dma->fifo.
195 * : Register this function as DMA complete interrupt.
196 * Arguments : uint32_t int_sense ; Interrupts detection mode
197 * : ; INTC_LEVEL_SENSITIVE : Level sense
198 * : ; INTC_EDGE_TRIGGER : Edge trigger
199 * Return Value : none
200 *******************************************************************************/
201 void usb0_function_dma_interrupt_d0fifo (uint32_t int_sense)
203 usb0_function_dmaint(USB_FUNCTION_D0FIFO);
204 g_usb0_function_DmaStatus[USB_FUNCTION_D0FIFO] = USB_FUNCTION_DMA_READY;
207 /*******************************************************************************
208 * Function Name: usb0_function_dma_interrupt_d1fifo
209 * Description : This function is DMA interrupt handler entry.
210 * : Execute usb0_function_dmaint() after disabling DMA interrupt in this function.
211 * : Disable DMA interrupt to DMAC executed when USB_FUNCTION_D1FIFO_DMA is
212 * : specified by dma->fifo.
213 * : Register this function as DMA complete interrupt.
214 * Arguments : uint32_t int_sense ; Interrupts detection mode
215 * : ; INTC_LEVEL_SENSITIVE : Level sense
216 * : ; INTC_EDGE_TRIGGER : Edge trigger
217 * Return Value : none
218 *******************************************************************************/
219 void usb0_function_dma_interrupt_d1fifo (uint32_t int_sense)
221 usb0_function_dmaint(USB_FUNCTION_D1FIFO);
222 g_usb0_function_DmaStatus[USB_FUNCTION_D1FIFO] = USB_FUNCTION_DMA_READY;
225 /*******************************************************************************
226 * Function Name: usb0_function_dmaint
227 * Description : This function is DMA transfer end interrupt
228 * Arguments : uint16_t fifo ; fifo number
229 * : ; USB_FUNCTION_D0FIFO
230 * : ; USB_FUNCTION_D1FIFO
231 * Return Value : none
232 *******************************************************************************/
233 static void usb0_function_dmaint (uint16_t fifo)
237 pipe = g_usb0_function_DmaPipe[fifo];
239 if (g_usb0_function_DmaInfo[fifo].dir == USB_FUNCTION_BUF2FIFO)
241 usb0_function_dmaint_buf2fifo(pipe);
245 usb0_function_dmaint_fifo2buf(pipe);
249 /*******************************************************************************
250 * Function Name: usb0_function_dmaint_fifo2buf
251 * Description : Executes read completion from FIFO by DMAC.
252 * Arguments : uint16_t pipe : pipe number
253 * Return Value : none
254 *******************************************************************************/
255 static void usb0_function_dmaint_fifo2buf (uint16_t pipe)
260 if (g_usb0_function_pipe_status[pipe] != DEVDRV_USBF_PIPE_DONE)
262 useport = (uint16_t)(g_usb0_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE);
264 if (useport == USB_FUNCTION_D0FIFO_DMA)
266 remain = Userdef_USB_usb0_function_stop_dma0();
267 usb0_function_dma_stop_d0(pipe, remain);
269 if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
271 if (g_usb0_function_DmaStatus[USB_FUNCTION_D0FIFO] == USB_FUNCTION_DMA_BUSYEND)
273 USB200.D0FIFOCTR = USB_FUNCTION_BITBCLR;
274 g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
278 usb0_function_enable_brdy_int(pipe);
284 remain = Userdef_USB_usb0_function_stop_dma1();
285 usb0_function_dma_stop_d1(pipe, remain);
287 if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
289 if (g_usb0_function_DmaStatus[USB_FUNCTION_D1FIFO] == USB_FUNCTION_DMA_BUSYEND)
291 USB200.D1FIFOCTR = USB_FUNCTION_BITBCLR;
292 g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
296 usb0_function_enable_brdy_int(pipe);
303 /*******************************************************************************
304 * Function Name: usb0_function_dmaint_buf2fifo
305 * Description : Executes write completion in FIFO by DMAC.
306 * Arguments : uint16_t pipe : pipe number
307 * Return Value : none
308 *******************************************************************************/
309 static void usb0_function_dmaint_buf2fifo (uint16_t pipe)
314 useport = (uint16_t)(g_usb0_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE);
316 if (useport == USB_FUNCTION_D0FIFO_DMA)
318 remain = Userdef_USB_usb0_function_stop_dma0();
319 usb0_function_dma_stop_d0(pipe, remain);
321 if (g_usb0_function_DmaBval[USB_FUNCTION_D0FIFO] != 0)
323 RZA_IO_RegWrite_16(&USB200.D0FIFOCTR,
325 USB_DnFIFOCTR_BVAL_SHIFT,
331 remain = Userdef_USB_usb0_function_stop_dma1();
332 usb0_function_dma_stop_d1(pipe, remain);
334 if (g_usb0_function_DmaBval[USB_FUNCTION_D1FIFO] != 0)
336 RZA_IO_RegWrite_16(&USB200.D1FIFOCTR,
338 USB_DnFIFOCTR_BVAL_SHIFT,
343 usb0_function_enable_bemp_int(pipe);