35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
#include "include/log.h"
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#include "src/leddriver/rpi_leddriver.h"
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#include "src/common.h"
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#define CHAN_MAXLEDS 60 // Maximum number of LEDs per channel
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#define LED_NCHANS 8 // Number of LED channels (8 or 16)
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#define TX_TEST 0 // If non-zero, use dummy Tx data
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#define LED_NBITS 24 // Number of data bits per LED
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#define LED_PREBITS 4 // Number of zero bits before LED data
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#define LED_POSTBITS 4 // Number of zero bits after LED data
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#define BIT_NPULSES 3 // Number of O/P pulses per LED bit
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// Length of data for 1 row (1 LED on each channel)
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#define LED_DLEN (LED_NBITS * BIT_NPULSES)
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// Transmit data type, 8 or 16 bits
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#if LED_NCHANS > 8
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typedef uint16_t TXDATA_T;
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#else
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typedef uint8_t TXDATA_T;
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#endif
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// Ofset into Tx data buffer, given LED number in chan
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#define LED_TX_OSET(n) (LED_PREBITS + (LED_DLEN * (n)))
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// Size of data buffers & NV memory, given number of LEDs per chan
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#define TX_BUFF_LEN(n) (LED_TX_OSET(n) + LED_POSTBITS)
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#define TX_BUFF_SIZE(n) (TX_BUFF_LEN(n) * sizeof(TXDATA_T))
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#define VC_MEM_SIZE (PAGE_SIZE + TX_BUFF_SIZE(CHAN_MAXLEDS))
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extern TXDATA_T tx_buffer[TX_BUFF_LEN(CHAN_MAXLEDS)];
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extern TXDATA_T *txdata;
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extern MEM_MAP vc_mem;
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