X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fstm%2Fao_i2c_stm.c;h=c02bc5a535169f0922b638f4947756c8d5133256;hp=59cad4951058fce99d360da9ce91cbc47f58720c;hb=119a829e58aff5dd7801fe7ef8cae886bf31fec1;hpb=80fd7f7bef5320ce86048d74dc4a72e1ec361120

diff --git a/src/stm/ao_i2c_stm.c b/src/stm/ao_i2c_stm.c
index 59cad495..c02bc5a5 100644
--- a/src/stm/ao_i2c_stm.c
+++ b/src/stm/ao_i2c_stm.c
@@ -275,7 +275,7 @@ ao_i2c_send(void *block, uint16_t len, uint8_t index, uint8_t stop)
 		stm_i2c->cr1 = AO_STM_I2C_CR1 | (1 << STM_I2C_CR1_STOP);
 		ao_i2c_wait_stop(index);
 	}
-	return TRUE;
+	return true;
 }
 
 void
@@ -300,10 +300,10 @@ uint8_t
 ao_i2c_recv(void *block, uint16_t len, uint8_t index, uint8_t stop)
 {
 	struct stm_i2c	*stm_i2c = ao_i2c_stm_info[index].stm_i2c;
-	uint8_t		ret = TRUE;
+	uint8_t		ret = true;
 
 	if (len == 0)
-		return TRUE;
+		return true;
 	if (len == 1) {
 		ao_i2c_recv_data[index] = block;
 		ao_i2c_recv_len[index] = 1;
@@ -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);