Jared Baxter / Mbed 2 deprecated Impedance_Fast_Circuitry_print_V_I

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Dependencies:   mbed-dsp mbed

Fork of Impedance_Fast_Circuitry by Jared Baxter

Diff: dma.cpp

Revision:
48:29f14bc30ba6
Parent:
46:a015ebf4663b
Child:
49:4dcf4717a8bb
diff -r 54fafe151669 -r 29f14bc30ba6 dma.cpp
--- a/dma.cpp	Sat Jan 31 16:44:40 2015 +0000
+++ b/dma.cpp	Sat Jan 31 18:38:17 2015 +0000
@@ -21,8 +21,10 @@
     // Enable DMA channels and select MUX to the correct source (see page 95 of user manual
     DMAMUX_CHCFG0 |= DMAMUX_CHCFG_ENBL_MASK | DMAMUX_CHCFG_SOURCE(40); // ADC0
     DMAMUX_CHCFG1 |= DMAMUX_CHCFG_ENBL_MASK | DMAMUX_CHCFG_SOURCE(41); // ADC1
-    DMAMUX_CHCFG2 |= DMAMUX_CHCFG_ENBL_MASK | DMAMUX_CHCFG_TRIG_MASK | DMAMUX_CHCFG_SOURCE(48);
+    DMAMUX_CHCFG2 |= DMAMUX_CHCFG_ENBL_MASK | DMAMUX_CHCFG_SOURCE(48); // Set trigger source to PDB (Don't set DMA Trig Enable because that is for the PIT)
     /* Source number    Source module    Source description
+           40                ADC0
+           41                ADC1
            30                FTM2             Channel 0
            31                FTM2             Channel 1
            48                PDB                  -
@@ -36,7 +38,7 @@
     DMA_CR |= DMA_CR_ERCA_MASK;
     
     // Set memory address for source and destination for DMA0, DMA1, and DMA2
-    DMA_TCD0_SADDR = (uint32_t) &ADC0_RA;
+    DMA_TCD0_SADDR = (uint32_t) &ADC0_RB;
     DMA_TCD0_DADDR = (uint32_t) sample_array0;
     DMA_TCD1_SADDR = (uint32_t) &ADC1_RA;
     DMA_TCD1_DADDR = (uint32_t) sample_array1;