Revision 2eb9f241
| b/hw/bitbang_i2c.c | ||
|---|---|---|
| 38 | 38 |
RECEIVING_BIT2, |
| 39 | 39 |
RECEIVING_BIT1, |
| 40 | 40 |
RECEIVING_BIT0, |
| 41 |
SENDING_ACK |
|
| 41 |
SENDING_ACK, |
|
| 42 |
SENT_NACK |
|
| 42 | 43 |
} bitbang_i2c_state; |
| 43 | 44 |
|
| 44 | 45 |
struct bitbang_i2c_interface {
|
| ... | ... | |
| 115 | 116 |
} |
| 116 | 117 |
switch (i2c->state) {
|
| 117 | 118 |
case STOPPED: |
| 119 |
case SENT_NACK: |
|
| 118 | 120 |
return bitbang_i2c_ret(i2c, 1); |
| 119 | 121 |
|
| 120 | 122 |
case SENDING_BIT7 ... SENDING_BIT0: |
| ... | ... | |
| 155 | 157 |
i2c->state = RECEIVING_BIT7; |
| 156 | 158 |
if (data != 0) {
|
| 157 | 159 |
DPRINTF("NACKED\n");
|
| 160 |
i2c->state = SENT_NACK; |
|
| 158 | 161 |
i2c_nack(i2c->bus); |
| 159 | 162 |
} else {
|
| 160 | 163 |
DPRINTF("ACKED\n");
|
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