This commit is contained in:
iceman1001 2020-01-12 17:30:29 +01:00
commit 6fa188062c
6 changed files with 22 additions and 22 deletions

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@ -25,7 +25,7 @@
Communication between ARM / FPGA is done inside armsrc/fpgaloader.c (function FpgaSendCommand)
Send 16 bit command / data pair to FPGA
The bit format is: C3 C2 C1 C0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
where
where
C is 4bit command
D is 12bit data
@ -33,7 +33,7 @@
bit | 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
-----+-------------------------------------------
cmd | x x x x
major| x x x
major| x x x
opt | x x
divi | x x x x x x x x
thres| x x x x x x x x
@ -71,7 +71,7 @@ thres| x x x x x x x x
#define FPGA_MAJOR_MODE_OFF (7<<5) // D
// Options for LF_READER
#define FPGA_LF_ADC_READER_FIELD 0x1
#define FPGA_LF_ADC_READER_FIELD 0x1
// Options for LF_EDGE_DETECT
#define FPGA_CMD_SET_EDGE_DETECT_THRESHOLD FPGA_CMD_SET_USER_BYTE1