Takanobu Muraguchi / USBDevice

USB device stack

Dependents:   USBMSD_step1 USBMSD_step1_5 picossd_step1_2cs

targets/TARGET_RENESAS/TARGET_VK_RZ_A1H/usb0/src/common/usb0_function_intrn.c@72:c80da04112fd, 2021-02-09 (annotated)

Committer:
muraguchi
Date:
Tue Feb 09 12:00:34 2021 +0000
Revision:
72:c80da04112fd
Parent:
71:53949e6131f6 
Initial release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 71:53949e6131f6 1 /*******************************************************************************
Kojto 71:53949e6131f6 2 * DISCLAIMER
Kojto 71:53949e6131f6 3 * This software is supplied by Renesas Electronics Corporation and is only
Kojto 71:53949e6131f6 4 * intended for use with Renesas products. No other uses are authorized. This
Kojto 71:53949e6131f6 5 * software is owned by Renesas Electronics Corporation and is protected under
Kojto 71:53949e6131f6 6 * all applicable laws, including copyright laws.
Kojto 71:53949e6131f6 7 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
Kojto 71:53949e6131f6 8 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
Kojto 71:53949e6131f6 9 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
Kojto 71:53949e6131f6 10 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
Kojto 71:53949e6131f6 11 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
Kojto 71:53949e6131f6 12 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
Kojto 71:53949e6131f6 13 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
Kojto 71:53949e6131f6 14 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
Kojto 71:53949e6131f6 15 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Kojto 71:53949e6131f6 16 * Renesas reserves the right, without notice, to make changes to this software
Kojto 71:53949e6131f6 17 * and to discontinue the availability of this software. By using this software,
Kojto 71:53949e6131f6 18 * you agree to the additional terms and conditions found by accessing the
Kojto 71:53949e6131f6 19 * following link:
Kojto 71:53949e6131f6 20 * http://www.renesas.com/disclaimer
Kojto 71:53949e6131f6 21 * Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
Kojto 71:53949e6131f6 22 *******************************************************************************/
Kojto 71:53949e6131f6 23 /*******************************************************************************
Kojto 71:53949e6131f6 24 * File Name : usb0_function_intrn.c
Kojto 71:53949e6131f6 25 * $Rev: 1116 $
Kojto 71:53949e6131f6 26 * $Date:: 2014-07-09 16:29:19 +0900#$
Kojto 71:53949e6131f6 27 * Device(s) : RZ/A1H
Kojto 71:53949e6131f6 28 * Tool-Chain :
Kojto 71:53949e6131f6 29 * OS : None
Kojto 71:53949e6131f6 30 * H/W Platform :
Kojto 71:53949e6131f6 31 * Description : RZ/A1H R7S72100 USB Sample Program
Kojto 71:53949e6131f6 32 * Operation :
Kojto 71:53949e6131f6 33 * Limitations :
Kojto 71:53949e6131f6 34 *******************************************************************************/
Kojto 71:53949e6131f6 35
Kojto 71:53949e6131f6 36
Kojto 71:53949e6131f6 37 /*******************************************************************************
Kojto 71:53949e6131f6 38 Includes <System Includes> , "Project Includes"
Kojto 71:53949e6131f6 39 *******************************************************************************/
Kojto 71:53949e6131f6 40 #include "usb0_function.h"
Kojto 71:53949e6131f6 41
Kojto 71:53949e6131f6 42
Kojto 71:53949e6131f6 43 /*******************************************************************************
Kojto 71:53949e6131f6 44 Typedef definitions
Kojto 71:53949e6131f6 45 *******************************************************************************/
Kojto 71:53949e6131f6 46
Kojto 71:53949e6131f6 47
Kojto 71:53949e6131f6 48 /*******************************************************************************
Kojto 71:53949e6131f6 49 Macro definitions
Kojto 71:53949e6131f6 50 *******************************************************************************/
Kojto 71:53949e6131f6 51
Kojto 71:53949e6131f6 52
Kojto 71:53949e6131f6 53 /*******************************************************************************
Kojto 71:53949e6131f6 54 Imported global variables and functions (from other files)
Kojto 71:53949e6131f6 55 *******************************************************************************/
Kojto 71:53949e6131f6 56
Kojto 71:53949e6131f6 57
Kojto 71:53949e6131f6 58 /*******************************************************************************
Kojto 71:53949e6131f6 59 Exported global variables and functions (to be accessed by other files)
Kojto 71:53949e6131f6 60 *******************************************************************************/
Kojto 71:53949e6131f6 61
Kojto 71:53949e6131f6 62
Kojto 71:53949e6131f6 63 /*******************************************************************************
Kojto 71:53949e6131f6 64 Private global variables and functions
Kojto 71:53949e6131f6 65 *******************************************************************************/
Kojto 71:53949e6131f6 66
Kojto 71:53949e6131f6 67
Kojto 71:53949e6131f6 68 /*******************************************************************************
Kojto 71:53949e6131f6 69 * Function Name: usb0_function_brdy_int
Kojto 71:53949e6131f6 70 * Description : Executes BRDY interrupt(USB_FUNCTION_PIPE1-9).
Kojto 71:53949e6131f6 71 * : According to the pipe that interrupt is generated in,
Kojto 71:53949e6131f6 72 * : reads/writes buffer allocated in the pipe.
Kojto 71:53949e6131f6 73 * : This function is executed in the BRDY interrupt handler.
Kojto 71:53949e6131f6 74 * : This function clears BRDY interrupt status and BEMP interrupt
Kojto 71:53949e6131f6 75 * : status.
Kojto 71:53949e6131f6 76 * Arguments : uint16_t Status ; BRDYSTS Register Value
Kojto 71:53949e6131f6 77 * : uint16_t Int_enbl ; BRDYENB Register Value
Kojto 71:53949e6131f6 78 * Return Value : none
Kojto 71:53949e6131f6 79 *******************************************************************************/
Kojto 71:53949e6131f6 80 #if 0
Kojto 71:53949e6131f6 81 void usb0_function_brdy_int (uint16_t status, uint16_t int_enb)
Kojto 71:53949e6131f6 82 {
Kojto 71:53949e6131f6 83 uint32_t int_sense = 0;
Kojto 71:53949e6131f6 84 uint16_t pipe;
Kojto 71:53949e6131f6 85 uint16_t pipebit;
Kojto 71:53949e6131f6 86
Kojto 71:53949e6131f6 87 for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
Kojto 71:53949e6131f6 88 {
Kojto 71:53949e6131f6 89 pipebit = g_usb0_function_bit_set[pipe];
Kojto 71:53949e6131f6 90
Kojto 71:53949e6131f6 91 if ((status & pipebit) && (int_enb & pipebit))
Kojto 71:53949e6131f6 92 {
Kojto 71:53949e6131f6 93 USB200.BRDYSTS = (uint16_t)~pipebit;
Kojto 71:53949e6131f6 94 USB200.BEMPSTS = (uint16_t)~pipebit;
Kojto 71:53949e6131f6 95 if ((g_usb0_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D0FIFO_DMA)
Kojto 71:53949e6131f6 96 {
Kojto 71:53949e6131f6 97 if (g_usb0_function_DmaStatus[USB_FUNCTION_D0FIFO] != USB_FUNCTION_DMA_READY)
Kojto 71:53949e6131f6 98 {
Kojto 71:53949e6131f6 99 usb0_function_dma_interrupt_d0fifo(int_sense);
Kojto 71:53949e6131f6 100 }
Kojto 71:53949e6131f6 101
Kojto 71:53949e6131f6 102 if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
Kojto 71:53949e6131f6 103 {
Kojto 71:53949e6131f6 104 usb0_function_read_dma(pipe);
Kojto 71:53949e6131f6 105 usb0_function_disable_brdy_int(pipe);
Kojto 71:53949e6131f6 106 }
Kojto 71:53949e6131f6 107 else
Kojto 71:53949e6131f6 108 {
Kojto 71:53949e6131f6 109 USB200.D0FIFOCTR = USB_FUNCTION_BITBCLR;
Kojto 71:53949e6131f6 110 g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
Kojto 71:53949e6131f6 111 }
Kojto 71:53949e6131f6 112 }
Kojto 71:53949e6131f6 113 else if ((g_usb0_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D1FIFO_DMA)
Kojto 71:53949e6131f6 114 {
Kojto 71:53949e6131f6 115 if (g_usb0_function_DmaStatus[USB_FUNCTION_D1FIFO] != USB_FUNCTION_DMA_READY)
Kojto 71:53949e6131f6 116 {
Kojto 71:53949e6131f6 117 usb0_function_dma_interrupt_d1fifo(int_sense);
Kojto 71:53949e6131f6 118 }
Kojto 71:53949e6131f6 119
Kojto 71:53949e6131f6 120 if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
Kojto 71:53949e6131f6 121 {
Kojto 71:53949e6131f6 122 usb0_function_read_dma(pipe);
Kojto 71:53949e6131f6 123 usb0_function_disable_brdy_int(pipe);
Kojto 71:53949e6131f6 124 }
Kojto 71:53949e6131f6 125 else
Kojto 71:53949e6131f6 126 {
Kojto 71:53949e6131f6 127 USB200.D1FIFOCTR = USB_FUNCTION_BITBCLR;
Kojto 71:53949e6131f6 128 g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
Kojto 71:53949e6131f6 129 }
Kojto 71:53949e6131f6 130 }
Kojto 71:53949e6131f6 131 else
Kojto 71:53949e6131f6 132 {
Kojto 71:53949e6131f6 133 if (RZA_IO_RegRead_16(&g_usb0_function_pipecfg[pipe], USB_PIPECFG_DIR_SHIFT, USB_PIPECFG_DIR) == 0)
Kojto 71:53949e6131f6 134 {
Kojto 71:53949e6131f6 135 usb0_function_read_buffer(pipe);
Kojto 71:53949e6131f6 136 }
Kojto 71:53949e6131f6 137 else
Kojto 71:53949e6131f6 138 {
Kojto 71:53949e6131f6 139 usb0_function_write_buffer(pipe);
Kojto 71:53949e6131f6 140 }
Kojto 71:53949e6131f6 141 }
Kojto 71:53949e6131f6 142 }
Kojto 71:53949e6131f6 143 }
Kojto 71:53949e6131f6 144 }
Kojto 71:53949e6131f6 145 #endif
Kojto 71:53949e6131f6 146
Kojto 71:53949e6131f6 147 /*******************************************************************************
Kojto 71:53949e6131f6 148 * Function Name: usb0_function_nrdy_int
Kojto 71:53949e6131f6 149 * Description : Executes NRDY interrupt(USB_FUNCTION_PIPE1-9).
Kojto 71:53949e6131f6 150 * : Checks NRDY interrupt cause by PID. When the cause if STALL,
Kojto 71:53949e6131f6 151 * : regards the pipe state as STALL and ends the processing.
Kojto 71:53949e6131f6 152 * : Then the cause is not STALL, increments the error count to
Kojto 71:53949e6131f6 153 * : communicate again. When the error count is 3, determines
Kojto 71:53949e6131f6 154 * : the pipe state as DEVDRV_USBF_PIPE_NORES and ends the processing.
Kojto 71:53949e6131f6 155 * : This function is executed in the NRDY interrupt handler.
Kojto 71:53949e6131f6 156 * : This function clears NRDY interrupt status.
Kojto 71:53949e6131f6 157 * Arguments : uint16_t status ; NRDYSTS Register Value
Kojto 71:53949e6131f6 158 * : uint16_t int_enb ; NRDYENB Register Value
Kojto 71:53949e6131f6 159 * Return Value : none
Kojto 71:53949e6131f6 160 *******************************************************************************/
Kojto 71:53949e6131f6 161 void usb0_function_nrdy_int (uint16_t status, uint16_t int_enb)
Kojto 71:53949e6131f6 162 {
Kojto 71:53949e6131f6 163 uint16_t pid;
Kojto 71:53949e6131f6 164 uint16_t pipe;
Kojto 71:53949e6131f6 165 uint16_t bitcheck;
Kojto 71:53949e6131f6 166
Kojto 71:53949e6131f6 167 bitcheck = (uint16_t)(status & int_enb);
Kojto 71:53949e6131f6 168
Kojto 71:53949e6131f6 169 USB200.NRDYSTS = (uint16_t)~status;
Kojto 71:53949e6131f6 170
Kojto 71:53949e6131f6 171 for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
Kojto 71:53949e6131f6 172 {
Kojto 71:53949e6131f6 173 if ((bitcheck&g_usb0_function_bit_set[pipe]) == g_usb0_function_bit_set[pipe])
Kojto 71:53949e6131f6 174 {
Kojto 71:53949e6131f6 175 if (RZA_IO_RegRead_16(&USB200.SYSCFG0, USB_SYSCFG_DCFM_SHIFT, USB_SYSCFG_DCFM) == 1)
Kojto 71:53949e6131f6 176 {
Kojto 71:53949e6131f6 177 if (g_usb0_function_pipe_status[pipe] == DEVDRV_USBF_PIPE_WAIT)
Kojto 71:53949e6131f6 178 {
Kojto 71:53949e6131f6 179 pid = usb0_function_get_pid(pipe);
Kojto 71:53949e6131f6 180 if ((pid == DEVDRV_USBF_PID_STALL) || (pid == DEVDRV_USBF_PID_STALL2))
Kojto 71:53949e6131f6 181 {
Kojto 71:53949e6131f6 182 g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_STALL;
Kojto 71:53949e6131f6 183 }
Kojto 71:53949e6131f6 184 else
Kojto 71:53949e6131f6 185 {
Kojto 71:53949e6131f6 186 g_usb0_function_PipeIgnore[pipe]++;
Kojto 71:53949e6131f6 187 if (g_usb0_function_PipeIgnore[pipe] == 3)
Kojto 71:53949e6131f6 188 {
Kojto 71:53949e6131f6 189 g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_NORES;
Kojto 71:53949e6131f6 190 }
Kojto 71:53949e6131f6 191 else
Kojto 71:53949e6131f6 192 {
Kojto 71:53949e6131f6 193 usb0_function_set_pid_buf(pipe);
Kojto 71:53949e6131f6 194 }
Kojto 71:53949e6131f6 195 }
Kojto 71:53949e6131f6 196 }
Kojto 71:53949e6131f6 197 }
Kojto 71:53949e6131f6 198 else
Kojto 71:53949e6131f6 199 {
Kojto 71:53949e6131f6 200 /* USB Function */
Kojto 71:53949e6131f6 201 }
Kojto 71:53949e6131f6 202 }
Kojto 71:53949e6131f6 203 }
Kojto 71:53949e6131f6 204 }
Kojto 71:53949e6131f6 205
Kojto 71:53949e6131f6 206 /*******************************************************************************
Kojto 71:53949e6131f6 207 * Function Name: usb0_function_bemp_int
Kojto 71:53949e6131f6 208 * Description : Executes BEMP interrupt(USB_FUNCTION_PIPE1-9).
Kojto 71:53949e6131f6 209 * Arguments : uint16_t status ; BEMPSTS Register Value
Kojto 71:53949e6131f6 210 * : uint16_t int_enb ; BEMPENB Register Value
Kojto 71:53949e6131f6 211 * Return Value : none
Kojto 71:53949e6131f6 212 *******************************************************************************/
Kojto 71:53949e6131f6 213 void usb0_function_bemp_int (uint16_t status, uint16_t int_enb)
Kojto 71:53949e6131f6 214 {
Kojto 71:53949e6131f6 215 uint16_t pid;
Kojto 71:53949e6131f6 216 uint16_t pipe;
Kojto 71:53949e6131f6 217 uint16_t bitcheck;
Kojto 71:53949e6131f6 218 uint16_t inbuf;
Kojto 71:53949e6131f6 219
Kojto 71:53949e6131f6 220 bitcheck = (uint16_t)(status & int_enb);
Kojto 71:53949e6131f6 221
Kojto 71:53949e6131f6 222 USB200.BEMPSTS = (uint16_t)~status;
Kojto 71:53949e6131f6 223
Kojto 71:53949e6131f6 224 for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
Kojto 71:53949e6131f6 225 {
Kojto 71:53949e6131f6 226 if ((bitcheck&g_usb0_function_bit_set[pipe]) == g_usb0_function_bit_set[pipe])
Kojto 71:53949e6131f6 227 {
Kojto 71:53949e6131f6 228 pid = usb0_function_get_pid(pipe);
Kojto 71:53949e6131f6 229
Kojto 71:53949e6131f6 230 if ((pid == DEVDRV_USBF_PID_STALL) || (pid == DEVDRV_USBF_PID_STALL2))
Kojto 71:53949e6131f6 231 {
Kojto 71:53949e6131f6 232 g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_STALL;
Kojto 71:53949e6131f6 233 }
Kojto 71:53949e6131f6 234 else
Kojto 71:53949e6131f6 235 {
Kojto 71:53949e6131f6 236 inbuf = usb0_function_get_inbuf(pipe);
Kojto 71:53949e6131f6 237
Kojto 71:53949e6131f6 238 if (inbuf == 0)
Kojto 71:53949e6131f6 239 {
Kojto 71:53949e6131f6 240 usb0_function_disable_bemp_int(pipe);
Kojto 71:53949e6131f6 241 usb0_function_set_pid_nak(pipe);
Kojto 71:53949e6131f6 242 g_usb0_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
Kojto 71:53949e6131f6 243 }
Kojto 71:53949e6131f6 244 }
Kojto 71:53949e6131f6 245 }
Kojto 71:53949e6131f6 246 }
Kojto 71:53949e6131f6 247 }
Kojto 71:53949e6131f6 248
Kojto 71:53949e6131f6 249 /* End of File */