| 78 |
78 |
#ifdef CONFIG_DFU
|
| 79 |
79 |
static const struct dfuapi *dfu = DFU_API_LOCATION;
|
| 80 |
80 |
#define udp_init dfu->udp_init
|
| 81 |
|
#define udp_ep0_send_data dfu->ep0_send_data
|
|
81 |
#define udp_ep0_send_data udp_ep0_send_data_local
|
| 82 |
82 |
#define udp_ep0_send_zlp dfu->ep0_send_zlp
|
| 83 |
83 |
#define udp_ep0_send_stall dfu->ep0_send_stall
|
| 84 |
84 |
#else
|
| ... | ... | |
| 107 |
107 |
.state_pending = RCTX_STATE_UDP_EP3_PENDING },
|
| 108 |
108 |
};
|
| 109 |
109 |
|
|
110 |
static void udp_ep0_send_data_local(const char *pData, u_int32_t length)
|
|
111 |
{
|
|
112 |
AT91PS_UDP pUdp = AT91C_BASE_UDP;
|
|
113 |
u_int32_t cpt = 0, len_remain = length;
|
|
114 |
AT91_REG csr;
|
|
115 |
|
|
116 |
DEBUGE("send_data: %u bytes ", length);
|
|
117 |
|
|
118 |
do {
|
|
119 |
cpt = MIN(len_remain, 8);
|
|
120 |
len_remain -= cpt;
|
|
121 |
|
|
122 |
while (cpt--)
|
|
123 |
pUdp->UDP_FDR[0] = *pData++;
|
|
124 |
|
|
125 |
if (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) {
|
|
126 |
pUdp->UDP_CSR[0] &= ~(AT91C_UDP_TXCOMP);
|
|
127 |
while (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) ;
|
|
128 |
}
|
|
129 |
|
|
130 |
pUdp->UDP_CSR[0] |= AT91C_UDP_TXPKTRDY;
|
|
131 |
do {
|
|
132 |
csr = pUdp->UDP_CSR[0];
|
|
133 |
|
|
134 |
/* Data IN stage has been stopped by a status OUT */
|
|
135 |
if (csr & AT91C_UDP_RX_DATA_BK0) {
|
|
136 |
pUdp->UDP_CSR[0] &= ~(AT91C_UDP_RX_DATA_BK0);
|
|
137 |
DEBUGE("stopped by status out ");
|
|
138 |
return;
|
|
139 |
}
|
|
140 |
} while (!(csr & AT91C_UDP_TXCOMP));
|
|
141 |
|
|
142 |
} while (len_remain);
|
|
143 |
|
|
144 |
if (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) {
|
|
145 |
pUdp->UDP_CSR[0] &= ~(AT91C_UDP_TXCOMP);
|
|
146 |
while (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) ;
|
|
147 |
}
|
|
148 |
|
|
149 |
#if 0
|
|
150 |
if ((length % 8) == 0) {
|
|
151 |
/* if the length is a multiple of the EP size, we need
|
|
152 |
* to send another ZLP (zero-length packet) to tell the
|
|
153 |
* host the transfer has completed. */
|
|
154 |
DEBUGE("set_txpktrdy_zlp ");
|
|
155 |
udp_ep0_send_zlp();
|
|
156 |
}
|
|
157 |
#endif
|
|
158 |
}
|
|
159 |
|
| 110 |
160 |
static void reset_ep(unsigned int ep)
|
| 111 |
161 |
{
|
| 112 |
162 |
AT91PS_UDP pUDP = upcd.pUdp;
|
