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Defines | |
#define | SEG_NOOP 0x00 |
#define | SEG_DIG0 0x01 |
#define | SEG_DIG1 0x02 |
#define | SEG_DIG2 0x03 |
#define | SEG_DIG3 0x04 |
#define | SEG_DIG4 0x05 |
#define | SEG_DIG5 0x06 |
#define | SEG_DIG6 0x07 |
#define | SEG_DIG7 0x08 |
#define | SEG_DEC_MODE 0x09 |
#define | SEG_INTENSITY 0x0a |
#define | SEG_SCAN_LIM 0x0b |
#define | SEG_SHUTDOWN 0x0c |
#define | SEG_FEATURE 0x0e |
#define | SEG_DSP_TEST 0x0f |
#define | SHUTDOWN_RESET 0x00 |
#define | SHUTDOWN_SOFT 0x80 |
#define | NORM_OP_RESET 0x01 |
#define | NORM_OP_SOFT 0x81 |
#define | NO_DIG_DECODE 0x00 |
#define | DIG_0_DECODE 0x01 |
#define | DIG_0_3_DECODE 0x0f |
#define | DIG_0_7_DECODE 0xff |
#define | TEST_MODE_OFF 0x00 |
#define | TEST_MODE_ON 0x01 |
#define | DISPLAY_LIMIT 2 |
#define | MAX_7SEG_DIGITS 3 |
#define | DISP_7SEG_WRITE_POLLS 1000 |
#define | SPI_RATE_DISP_7SEG 1000000 |
#define | SPI_MODE_DISP_7SEG SPI_MODE_3 |
#define | HUNDRED 2 |
#define | TENNER 1 |
#define | ANY 0 |
Functions | |
int | Spi7segInit (NUTDEVICE *dev) |
Initialize the 7seg device. | |
void | display_7seg (NUTDEVICE *dev, uint16_t number) |
void | print_7seg (NUTDEVICE *dev, char *chars) |
void | dot_7seg (NUTDEVICE *dev, uint8_t dotNumber, uint8_t dotCommand) |
Variables | |
NUTSPINODE | nodeSpi7SEG |
7seg SPI node implementation structure. | |
NUTDEVICE | devSpi7SEG |
7seg device implementation structure. | |
uint8_t | display_buffer [MAX_7SEG_DIGITS] = { 0, 0, 0 } |
* $Id: spi_7seg.c,$ *
Definition in file spi_7seg.c.
#define SEG_NOOP 0x00 |
Definition at line 62 of file spi_7seg.c.
#define SEG_DIG0 0x01 |
#define SEG_DIG1 0x02 |
#define SEG_DIG2 0x03 |
#define SEG_DIG3 0x04 |
Definition at line 66 of file spi_7seg.c.
#define SEG_DIG4 0x05 |
Definition at line 67 of file spi_7seg.c.
#define SEG_DIG5 0x06 |
Definition at line 68 of file spi_7seg.c.
#define SEG_DIG6 0x07 |
Definition at line 69 of file spi_7seg.c.
#define SEG_DIG7 0x08 |
Definition at line 70 of file spi_7seg.c.
#define SEG_DEC_MODE 0x09 |
#define SEG_INTENSITY 0x0a |
#define SEG_SCAN_LIM 0x0b |
#define SEG_SHUTDOWN 0x0c |
#define SEG_FEATURE 0x0e |
Definition at line 75 of file spi_7seg.c.
#define SEG_DSP_TEST 0x0f |
#define SHUTDOWN_RESET 0x00 |
Definition at line 79 of file spi_7seg.c.
#define SHUTDOWN_SOFT 0x80 |
Definition at line 80 of file spi_7seg.c.
#define NORM_OP_RESET 0x01 |
#define NORM_OP_SOFT 0x81 |
Definition at line 82 of file spi_7seg.c.
#define NO_DIG_DECODE 0x00 |
#define DIG_0_DECODE 0x01 |
Definition at line 86 of file spi_7seg.c.
#define DIG_0_3_DECODE 0x0f |
Definition at line 87 of file spi_7seg.c.
#define DIG_0_7_DECODE 0xff |
Definition at line 88 of file spi_7seg.c.
#define TEST_MODE_OFF 0x00 |
#define TEST_MODE_ON 0x01 |
Definition at line 91 of file spi_7seg.c.
#define DISPLAY_LIMIT 2 |
Definition at line 94 of file spi_7seg.c.
#define MAX_7SEG_DIGITS 3 |
#define DISP_7SEG_WRITE_POLLS 1000 |
Definition at line 99 of file spi_7seg.c.
#define SPI_RATE_DISP_7SEG 1000000 |
Definition at line 104 of file spi_7seg.c.
#define SPI_MODE_DISP_7SEG SPI_MODE_3 |
Definition at line 108 of file spi_7seg.c.
#define HUNDRED 2 |
#define TENNER 1 |
#define ANY 0 |
int Spi7segInit | ( | NUTDEVICE * | dev | ) |
Initialize the 7seg device.
This routine determines the 7seg type. It is internally called by Nut/OS during device registration.
The driver framework may call this function more than once.
dev | Specifies the 7seg device. |
Definition at line 200 of file spi_7seg.c.
References NO_DIG_DECODE, NORM_OP_RESET, NUTASSERT, SEG_DEC_MODE, SEG_DIG0, SEG_DIG1, SEG_DIG2, SEG_DSP_TEST, SEG_INTENSITY, SEG_SCAN_LIM, SEG_SHUTDOWN, and TEST_MODE_OFF.
void display_7seg | ( | NUTDEVICE * | dev, | |
uint16_t | number | |||
) |
void print_7seg | ( | NUTDEVICE * | dev, | |
char * | chars | |||
) |
Definition at line 362 of file spi_7seg.c.
References DOT_7SEG_CLEAR, DOT_7SEG_FLIP, DOT_7SEG_SET, MAX_7SEG_DIGITS, and NUTASSERT.
NUTSPINODE nodeSpi7SEG |
Initial value:
{ NULL, NULL, SPI_RATE_DISP_7SEG, SPI_MODE_DISP_7SEG, 8, 0 }
Definition at line 115 of file spi_7seg.c.
NUTDEVICE devSpi7SEG |
Initial value:
{ NULL, {'7', 'S', 'E', 'G', 0, 0, 0}, IFTYP_BLKIO, 0, 0, &nodeSpi7SEG, 0, Spi7segInit, 0, 0, 0, 0, 0, 0, 0 }
Definition at line 127 of file spi_7seg.c.
uint8_t display_buffer[MAX_7SEG_DIGITS] = { 0, 0, 0 } |
Definition at line 324 of file spi_7seg.c.