added some comments re which pin DAC and ADC drivers are connected to

git-svn-id: https://svn.code.sf.net/p/freetel/code@2121 01035d8c-6547-0410-b346-abe4f91aad63

diff --git a/codec2-dev/stm32/src/adc_rec.c b/codec2-dev/stm32/src/adc_rec.c
index dd59b11be7b999891dd51ca9c3560c4d11b669cd..c31c899d9567d6d6f7412e8d2dbbff816d708ab3 100644 (file)
--- a/codec2-dev/stm32/src/adc_rec.c
+++ b/codec2-dev/stm32/src/adc_rec.c
@@ -4,7 +4,9 @@
   AUTHOR......: David Rowe\r
   DATE CREATED: 30 May 2014\r
 \r
-  Records a 16 kHz sample rate raw file from one of the ADC channels.\r
+  Records a 16 kHz sample rate raw file from one of the ADC channels,\r
+  which are connected to pins PA1 (ADC1) and PA2 (ADC2).\r
+\r
   Note the semi-hosting system isn't fast enough to transfer 2 16 kHz\r
   streams at once.\r
   \r

diff --git a/codec2-dev/stm32/src/dac_play.c b/codec2-dev/stm32/src/dac_play.c
index 6a6c63e9ed47be8a85008f95205b4ff289ecd6c9..96777ebb9d5ccef1e8373ea3be21f4005828a0ed 100644 (file)
--- a/codec2-dev/stm32/src/dac_play.c
+++ b/codec2-dev/stm32/src/dac_play.c
@@ -4,7 +4,8 @@
   AUTHOR......: David Rowe\r
   DATE CREATED: 1 June 2013\r
 \r
-  Plays a 16 kHz sample rate raw file to the STM32F4 DACs.\r
+  Plays a 16 kHz sample rate raw file to the STM32F4 DACs. DAC1 is\r
+  connected to pin PA4, DAC2 is connected to pin PA5.\r
 \r
 \*---------------------------------------------------------------------------*/\r
 \r

diff --git a/codec2-dev/stm32/src/stm32f4_adc.c b/codec2-dev/stm32/src/stm32f4_adc.c
index 1aab0df5a63be6a38a412f7f0a262fa6cd9460c1..cecdbe1de9f5db26d9ed922be3bb3587bc2e16cb 100644 (file)
--- a/codec2-dev/stm32/src/stm32f4_adc.c
+++ b/codec2-dev/stm32/src/stm32f4_adc.c
@@ -4,7 +4,8 @@
   AUTHOR......: David Rowe
   DATE CREATED: 4 June 2013
 
-  Two channel ADC driver module for STM32F4.
+  Two channel ADC driver module for STM32F4.  Pin PA1 connects to ADC1, pin
+  PA2 connects to ADC2.
 
 \*---------------------------------------------------------------------------*/
 

diff --git a/codec2-dev/stm32/src/stm32f4_dac.c b/codec2-dev/stm32/src/stm32f4_dac.c
index 5f36402f8a18f2a2b6ef38aed86407b7e79485b1..75416a3927440325086e178b45f95a57be0ad0ef 100644 (file)
--- a/codec2-dev/stm32/src/stm32f4_dac.c
+++ b/codec2-dev/stm32/src/stm32f4_dac.c
@@ -4,7 +4,8 @@
   AUTHOR......: David Rowe\r
   DATE CREATED: 1 June 2013\r
 \r
-  DAC driver module for STM32F4.\r
+  DAC driver module for STM32F4. DAC1 is connected to pin PA4, DAC2\r
+  is connected to pin PA5.\r
 \r
 \*---------------------------------------------------------------------------*/\r
 \r