diff options
Diffstat (limited to 'src/stm/ao_i2c_stm.c')
| -rw-r--r-- | src/stm/ao_i2c_stm.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/stm/ao_i2c_stm.c b/src/stm/ao_i2c_stm.c index 23805aa8..c02bc5a5 100644 --- a/src/stm/ao_i2c_stm.c +++ b/src/stm/ao_i2c_stm.c @@ -341,6 +341,17 @@ ao_i2c_recv(void *block, uint16_t len, uint8_t index, uint8_t stop) (0 << STM_DMA_CCR_PINC) | (0 << STM_DMA_CCR_CIRC) | (STM_DMA_CCR_DIR_PER_TO_MEM << STM_DMA_CCR_DIR)); + + /* XXX ao_i2c_recv_dma_isr hasn't ever been used, so it + * doesn't appear to be necessary. Testing with a device + * that uses i2c would really be useful here to discover + * whether this function is necessary or not. + */ +#if 0 + ao_dma_set_isr(rx_dma_index, ao_i2c_recv_dma_isr); +#else + (void) ao_i2c_recv_dma_isr; +#endif stm_i2c->cr1 = AO_STM_I2C_CR1 | (1 << STM_I2C_CR1_ACK); stm_i2c->cr2 = AO_STM_I2C_CR2 | (1 << STM_I2C_CR2_DMAEN) | (1 << STM_I2C_CR2_LAST); |