Maxim Integrated / USBDevice

USBDevice with MAX32620HSP platform support

Fork of USBDevice by mbed official

USBDevice/TARGET_RENESAS/TARGET_VK_RZ_A1H/usb1/src/common/usb1_function_intrn.c@62:c1549af978d6, 2016-04-29 (annotated)

Committer:
mbed_official
Date:
Fri Apr 29 01:16:25 2016 +0100
Revision:
62:c1549af978d6
Synchronized with git revision fe9720f24b1adc71ab6962506ec51290f6afd270



Full URL: https://github.com/mbedmicro/mbed/commit/fe9720f24b1adc71ab6962506ec51290f6afd270/



[Renesas RZ/A1H] Enable asynchronous communications

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 62:c1549af978d6 1 /*******************************************************************************
mbed_official 62:c1549af978d6 2 * DISCLAIMER
mbed_official 62:c1549af978d6 3 * This software is supplied by Renesas Electronics Corporation and is only
mbed_official 62:c1549af978d6 4 * intended for use with Renesas products. No other uses are authorized. This
mbed_official 62:c1549af978d6 5 * software is owned by Renesas Electronics Corporation and is protected under
mbed_official 62:c1549af978d6 6 * all applicable laws, including copyright laws.
mbed_official 62:c1549af978d6 7 * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
mbed_official 62:c1549af978d6 8 * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
mbed_official 62:c1549af978d6 9 * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
mbed_official 62:c1549af978d6 10 * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
mbed_official 62:c1549af978d6 11 * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
mbed_official 62:c1549af978d6 12 * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
mbed_official 62:c1549af978d6 13 * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
mbed_official 62:c1549af978d6 14 * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
mbed_official 62:c1549af978d6 15 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
mbed_official 62:c1549af978d6 16 * Renesas reserves the right, without notice, to make changes to this software
mbed_official 62:c1549af978d6 17 * and to discontinue the availability of this software. By using this software,
mbed_official 62:c1549af978d6 18 * you agree to the additional terms and conditions found by accessing the
mbed_official 62:c1549af978d6 19 * following link:
mbed_official 62:c1549af978d6 20 * http://www.renesas.com/disclaimer
mbed_official 62:c1549af978d6 21 * Copyright (C) 2012 - 2014 Renesas Electronics Corporation. All rights reserved.
mbed_official 62:c1549af978d6 22 *******************************************************************************/
mbed_official 62:c1549af978d6 23 /*******************************************************************************
mbed_official 62:c1549af978d6 24 * File Name : usb1_function_intrn.c
mbed_official 62:c1549af978d6 25 * $Rev: 1116 $
mbed_official 62:c1549af978d6 26 * $Date:: 2014-07-09 16:29:19 +0900#$
mbed_official 62:c1549af978d6 27 * Device(s) : RZ/A1H
mbed_official 62:c1549af978d6 28 * Tool-Chain :
mbed_official 62:c1549af978d6 29 * OS : None
mbed_official 62:c1549af978d6 30 * H/W Platform :
mbed_official 62:c1549af978d6 31 * Description : RZ/A1H R7S72100 USB Sample Program
mbed_official 62:c1549af978d6 32 * Operation :
mbed_official 62:c1549af978d6 33 * Limitations :
mbed_official 62:c1549af978d6 34 *******************************************************************************/
mbed_official 62:c1549af978d6 35
mbed_official 62:c1549af978d6 36
mbed_official 62:c1549af978d6 37 /*******************************************************************************
mbed_official 62:c1549af978d6 38 Includes <System Includes> , "Project Includes"
mbed_official 62:c1549af978d6 39 *******************************************************************************/
mbed_official 62:c1549af978d6 40 #include "usb1_function.h"
mbed_official 62:c1549af978d6 41
mbed_official 62:c1549af978d6 42
mbed_official 62:c1549af978d6 43 /*******************************************************************************
mbed_official 62:c1549af978d6 44 Typedef definitions
mbed_official 62:c1549af978d6 45 *******************************************************************************/
mbed_official 62:c1549af978d6 46
mbed_official 62:c1549af978d6 47
mbed_official 62:c1549af978d6 48 /*******************************************************************************
mbed_official 62:c1549af978d6 49 Macro definitions
mbed_official 62:c1549af978d6 50 *******************************************************************************/
mbed_official 62:c1549af978d6 51
mbed_official 62:c1549af978d6 52
mbed_official 62:c1549af978d6 53 /*******************************************************************************
mbed_official 62:c1549af978d6 54 Imported global variables and functions (from other files)
mbed_official 62:c1549af978d6 55 *******************************************************************************/
mbed_official 62:c1549af978d6 56
mbed_official 62:c1549af978d6 57
mbed_official 62:c1549af978d6 58 /*******************************************************************************
mbed_official 62:c1549af978d6 59 Exported global variables and functions (to be accessed by other files)
mbed_official 62:c1549af978d6 60 *******************************************************************************/
mbed_official 62:c1549af978d6 61
mbed_official 62:c1549af978d6 62
mbed_official 62:c1549af978d6 63 /*******************************************************************************
mbed_official 62:c1549af978d6 64 Private global variables and functions
mbed_official 62:c1549af978d6 65 *******************************************************************************/
mbed_official 62:c1549af978d6 66
mbed_official 62:c1549af978d6 67
mbed_official 62:c1549af978d6 68 /*******************************************************************************
mbed_official 62:c1549af978d6 69 * Function Name: usb1_function_brdy_int
mbed_official 62:c1549af978d6 70 * Description : Executes BRDY interrupt(USB_FUNCTION_PIPE1-9).
mbed_official 62:c1549af978d6 71 * : According to the pipe that interrupt is generated in,
mbed_official 62:c1549af978d6 72 * : reads/writes buffer allocated in the pipe.
mbed_official 62:c1549af978d6 73 * : This function is executed in the BRDY interrupt handler.
mbed_official 62:c1549af978d6 74 * : This function clears BRDY interrupt status and BEMP interrupt
mbed_official 62:c1549af978d6 75 * : status.
mbed_official 62:c1549af978d6 76 * Arguments : uint16_t Status ; BRDYSTS Register Value
mbed_official 62:c1549af978d6 77 * : uint16_t Int_enbl ; BRDYENB Register Value
mbed_official 62:c1549af978d6 78 * Return Value : none
mbed_official 62:c1549af978d6 79 *******************************************************************************/
mbed_official 62:c1549af978d6 80 #if 0
mbed_official 62:c1549af978d6 81 void usb1_function_brdy_int (uint16_t status, uint16_t int_enb)
mbed_official 62:c1549af978d6 82 {
mbed_official 62:c1549af978d6 83 uint32_t int_sense = 0;
mbed_official 62:c1549af978d6 84 uint16_t pipe;
mbed_official 62:c1549af978d6 85 uint16_t pipebit;
mbed_official 62:c1549af978d6 86
mbed_official 62:c1549af978d6 87 for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
mbed_official 62:c1549af978d6 88 {
mbed_official 62:c1549af978d6 89 pipebit = g_usb1_function_bit_set[pipe];
mbed_official 62:c1549af978d6 90
mbed_official 62:c1549af978d6 91 if ((status & pipebit) && (int_enb & pipebit))
mbed_official 62:c1549af978d6 92 {
mbed_official 62:c1549af978d6 93 USB201.BRDYSTS = (uint16_t)~pipebit;
mbed_official 62:c1549af978d6 94 USB201.BEMPSTS = (uint16_t)~pipebit;
mbed_official 62:c1549af978d6 95 if ((g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D0FIFO_DMA)
mbed_official 62:c1549af978d6 96 {
mbed_official 62:c1549af978d6 97 if (g_usb1_function_DmaStatus[USB_FUNCTION_D0FIFO] != USB_FUNCTION_DMA_READY)
mbed_official 62:c1549af978d6 98 {
mbed_official 62:c1549af978d6 99 usb1_function_dma_interrupt_d0fifo(int_sense);
mbed_official 62:c1549af978d6 100 }
mbed_official 62:c1549af978d6 101
mbed_official 62:c1549af978d6 102 if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
mbed_official 62:c1549af978d6 103 {
mbed_official 62:c1549af978d6 104 usb1_function_read_dma(pipe);
mbed_official 62:c1549af978d6 105 usb1_function_disable_brdy_int(pipe);
mbed_official 62:c1549af978d6 106 }
mbed_official 62:c1549af978d6 107 else
mbed_official 62:c1549af978d6 108 {
mbed_official 62:c1549af978d6 109 USB201.D0FIFOCTR = USB_FUNCTION_BITBCLR;
mbed_official 62:c1549af978d6 110 g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
mbed_official 62:c1549af978d6 111 }
mbed_official 62:c1549af978d6 112 }
mbed_official 62:c1549af978d6 113 else if ((g_usb1_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) == USB_FUNCTION_D1FIFO_DMA)
mbed_official 62:c1549af978d6 114 {
mbed_official 62:c1549af978d6 115 if (g_usb1_function_DmaStatus[USB_FUNCTION_D1FIFO] != USB_FUNCTION_DMA_READY)
mbed_official 62:c1549af978d6 116 {
mbed_official 62:c1549af978d6 117 usb1_function_dma_interrupt_d1fifo(int_sense);
mbed_official 62:c1549af978d6 118 }
mbed_official 62:c1549af978d6 119
mbed_official 62:c1549af978d6 120 if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0)
mbed_official 62:c1549af978d6 121 {
mbed_official 62:c1549af978d6 122 usb1_function_read_dma(pipe);
mbed_official 62:c1549af978d6 123 usb1_function_disable_brdy_int(pipe);
mbed_official 62:c1549af978d6 124 }
mbed_official 62:c1549af978d6 125 else
mbed_official 62:c1549af978d6 126 {
mbed_official 62:c1549af978d6 127 USB201.D1FIFOCTR = USB_FUNCTION_BITBCLR;
mbed_official 62:c1549af978d6 128 g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
mbed_official 62:c1549af978d6 129 }
mbed_official 62:c1549af978d6 130 }
mbed_official 62:c1549af978d6 131 else
mbed_official 62:c1549af978d6 132 {
mbed_official 62:c1549af978d6 133 if (RZA_IO_RegRead_16(&g_usb1_function_pipecfg[pipe], USB_PIPECFG_DIR_SHIFT, USB_PIPECFG_DIR) == 0)
mbed_official 62:c1549af978d6 134 {
mbed_official 62:c1549af978d6 135 usb1_function_read_buffer(pipe);
mbed_official 62:c1549af978d6 136 }
mbed_official 62:c1549af978d6 137 else
mbed_official 62:c1549af978d6 138 {
mbed_official 62:c1549af978d6 139 usb1_function_write_buffer(pipe);
mbed_official 62:c1549af978d6 140 }
mbed_official 62:c1549af978d6 141 }
mbed_official 62:c1549af978d6 142 }
mbed_official 62:c1549af978d6 143 }
mbed_official 62:c1549af978d6 144 }
mbed_official 62:c1549af978d6 145 #endif
mbed_official 62:c1549af978d6 146
mbed_official 62:c1549af978d6 147 /*******************************************************************************
mbed_official 62:c1549af978d6 148 * Function Name: usb1_function_nrdy_int
mbed_official 62:c1549af978d6 149 * Description : Executes NRDY interrupt(USB_FUNCTION_PIPE1-9).
mbed_official 62:c1549af978d6 150 * : Checks NRDY interrupt cause by PID. When the cause if STALL,
mbed_official 62:c1549af978d6 151 * : regards the pipe state as STALL and ends the processing.
mbed_official 62:c1549af978d6 152 * : Then the cause is not STALL, increments the error count to
mbed_official 62:c1549af978d6 153 * : communicate again. When the error count is 3, determines
mbed_official 62:c1549af978d6 154 * : the pipe state as DEVDRV_USBF_PIPE_NORES and ends the processing.
mbed_official 62:c1549af978d6 155 * : This function is executed in the NRDY interrupt handler.
mbed_official 62:c1549af978d6 156 * : This function clears NRDY interrupt status.
mbed_official 62:c1549af978d6 157 * Arguments : uint16_t status ; NRDYSTS Register Value
mbed_official 62:c1549af978d6 158 * : uint16_t int_enb ; NRDYENB Register Value
mbed_official 62:c1549af978d6 159 * Return Value : none
mbed_official 62:c1549af978d6 160 *******************************************************************************/
mbed_official 62:c1549af978d6 161 void usb1_function_nrdy_int (uint16_t status, uint16_t int_enb)
mbed_official 62:c1549af978d6 162 {
mbed_official 62:c1549af978d6 163 uint16_t pid;
mbed_official 62:c1549af978d6 164 uint16_t pipe;
mbed_official 62:c1549af978d6 165 uint16_t bitcheck;
mbed_official 62:c1549af978d6 166
mbed_official 62:c1549af978d6 167 bitcheck = (uint16_t)(status & int_enb);
mbed_official 62:c1549af978d6 168
mbed_official 62:c1549af978d6 169 USB201.NRDYSTS = (uint16_t)~status;
mbed_official 62:c1549af978d6 170
mbed_official 62:c1549af978d6 171 for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
mbed_official 62:c1549af978d6 172 {
mbed_official 62:c1549af978d6 173 if ((bitcheck&g_usb1_function_bit_set[pipe]) == g_usb1_function_bit_set[pipe])
mbed_official 62:c1549af978d6 174 {
mbed_official 62:c1549af978d6 175 if (RZA_IO_RegRead_16(&USB201.SYSCFG0, USB_SYSCFG_DCFM_SHIFT, USB_SYSCFG_DCFM) == 1)
mbed_official 62:c1549af978d6 176 {
mbed_official 62:c1549af978d6 177 if (g_usb1_function_pipe_status[pipe] == DEVDRV_USBF_PIPE_WAIT)
mbed_official 62:c1549af978d6 178 {
mbed_official 62:c1549af978d6 179 pid = usb1_function_get_pid(pipe);
mbed_official 62:c1549af978d6 180 if ((pid == DEVDRV_USBF_PID_STALL) || (pid == DEVDRV_USBF_PID_STALL2))
mbed_official 62:c1549af978d6 181 {
mbed_official 62:c1549af978d6 182 g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_STALL;
mbed_official 62:c1549af978d6 183 }
mbed_official 62:c1549af978d6 184 else
mbed_official 62:c1549af978d6 185 {
mbed_official 62:c1549af978d6 186 g_usb1_function_PipeIgnore[pipe]++;
mbed_official 62:c1549af978d6 187 if (g_usb1_function_PipeIgnore[pipe] == 3)
mbed_official 62:c1549af978d6 188 {
mbed_official 62:c1549af978d6 189 g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_NORES;
mbed_official 62:c1549af978d6 190 }
mbed_official 62:c1549af978d6 191 else
mbed_official 62:c1549af978d6 192 {
mbed_official 62:c1549af978d6 193 usb1_function_set_pid_buf(pipe);
mbed_official 62:c1549af978d6 194 }
mbed_official 62:c1549af978d6 195 }
mbed_official 62:c1549af978d6 196 }
mbed_official 62:c1549af978d6 197 }
mbed_official 62:c1549af978d6 198 else
mbed_official 62:c1549af978d6 199 {
mbed_official 62:c1549af978d6 200 /* USB Function */
mbed_official 62:c1549af978d6 201 }
mbed_official 62:c1549af978d6 202 }
mbed_official 62:c1549af978d6 203 }
mbed_official 62:c1549af978d6 204 }
mbed_official 62:c1549af978d6 205
mbed_official 62:c1549af978d6 206 /*******************************************************************************
mbed_official 62:c1549af978d6 207 * Function Name: usb1_function_bemp_int
mbed_official 62:c1549af978d6 208 * Description : Executes BEMP interrupt(USB_FUNCTION_PIPE1-9).
mbed_official 62:c1549af978d6 209 * Arguments : uint16_t status ; BEMPSTS Register Value
mbed_official 62:c1549af978d6 210 * : uint16_t int_enb ; BEMPENB Register Value
mbed_official 62:c1549af978d6 211 * Return Value : none
mbed_official 62:c1549af978d6 212 *******************************************************************************/
mbed_official 62:c1549af978d6 213 void usb1_function_bemp_int (uint16_t status, uint16_t int_enb)
mbed_official 62:c1549af978d6 214 {
mbed_official 62:c1549af978d6 215 uint16_t pid;
mbed_official 62:c1549af978d6 216 uint16_t pipe;
mbed_official 62:c1549af978d6 217 uint16_t bitcheck;
mbed_official 62:c1549af978d6 218 uint16_t inbuf;
mbed_official 62:c1549af978d6 219
mbed_official 62:c1549af978d6 220 bitcheck = (uint16_t)(status & int_enb);
mbed_official 62:c1549af978d6 221
mbed_official 62:c1549af978d6 222 USB201.BEMPSTS = (uint16_t)~status;
mbed_official 62:c1549af978d6 223
mbed_official 62:c1549af978d6 224 for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++)
mbed_official 62:c1549af978d6 225 {
mbed_official 62:c1549af978d6 226 if ((bitcheck&g_usb1_function_bit_set[pipe]) == g_usb1_function_bit_set[pipe])
mbed_official 62:c1549af978d6 227 {
mbed_official 62:c1549af978d6 228 pid = usb1_function_get_pid(pipe);
mbed_official 62:c1549af978d6 229
mbed_official 62:c1549af978d6 230 if ((pid == DEVDRV_USBF_PID_STALL) || (pid == DEVDRV_USBF_PID_STALL2))
mbed_official 62:c1549af978d6 231 {
mbed_official 62:c1549af978d6 232 g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_STALL;
mbed_official 62:c1549af978d6 233 }
mbed_official 62:c1549af978d6 234 else
mbed_official 62:c1549af978d6 235 {
mbed_official 62:c1549af978d6 236 inbuf = usb1_function_get_inbuf(pipe);
mbed_official 62:c1549af978d6 237
mbed_official 62:c1549af978d6 238 if (inbuf == 0)
mbed_official 62:c1549af978d6 239 {
mbed_official 62:c1549af978d6 240 usb1_function_disable_bemp_int(pipe);
mbed_official 62:c1549af978d6 241 usb1_function_set_pid_nak(pipe);
mbed_official 62:c1549af978d6 242 g_usb1_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
mbed_official 62:c1549af978d6 243 }
mbed_official 62:c1549af978d6 244 }
mbed_official 62:c1549af978d6 245 }
mbed_official 62:c1549af978d6 246 }
mbed_official 62:c1549af978d6 247 }
mbed_official 62:c1549af978d6 248
mbed_official 62:c1549af978d6 249 /* End of File */