gonzui

tkernel_2

driver/tef_em1d/clk/src/em1d512_spi.c - 5.5KB - 208 lines

59:                 if (vec == SPIVec[i]) {
60:                         out_w(SPn_FFCLR(i), ~0);
61:                         tk_wup_tsk(SPITskID[i]);
77: {
78:         out_w(SPn_MODE(ch), SPIMode[ch]);
79:         out_w(SPn_TIECS(ch), 0x000f);          // CS: control by SPn_POL
80:         out_w(SPn_POL(ch), SPIPol[ch]);
81:         out_w(SPn_ENCLR(ch), ~0);              // interrupt disable
82: 
83:         out_w(SPn_CONTROL(ch), 0x0100);                // starting reset
84:         WaitUsec(10);
85:         out_w(SPn_CONTROL(ch), 0x0000);                // releasing reset
86:         out_w(SPn_CONTROL2(ch), 0x0000);
87: 
88:         out_w(SPn_FFCLR(ch), ~0);
89:         out_w(SPn_ENSET(ch), 0x0004);          // interrupt enable
90: 
97:         WaitNsec(200);
98:         out_w(SPn_POL(ch), SPIPol[ch] ^ (enable ? (1 << (cs * 3)) : 0));
99:         WaitNsec(200);
126:                 if (xmit != NULL) {
127:                         out_w(SPn_TX_DATA(ch), *xmit++);
128:                 } else {
129:                         out_w(SPn_TX_DATA(ch), ~0);
130:                 }
131: 
132:                 out_w(SPn_CONTROL(ch), 0x000d);
133:                 er = wait_int();