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max7456 driver io tags, moved some sirin #defines out (they're in common now)

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This commit is contained in:
nathan 2016-06-15 20:56:19 -07:00
parent e07808e2a8
commit cd5335ddec
2 changed files with 12 additions and 9 deletions
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12
src/main/drivers/max7456.c
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@ -31,8 +31,10 @@
#include "max7456.h"
#define DISABLE_MAX7456 GPIO_SetBits(MAX7456_CS_GPIO, MAX7456_CS_PIN)
#define ENABLE_MAX7456 GPIO_ResetBits(MAX7456_CS_GPIO, MAX7456_CS_PIN)
#define DISABLE_MAX7456 IOHi(max7456CsPin)
#define ENABLE_MAX7456 IOLo(max7456CsPin)
static IO_t max7456CsPin = IO_NONE;
/** PAL or NTSC, value is number of chars total */
#define VIDEO_MODE_PIXELS_NTSC 390
@ -57,6 +59,12 @@ void max7456_init(uint8_t system) {
uint16_t x;
char buf[30];
#ifdef MAX7456_SPI_CS_PIN
max7456CsPin = IOGetByTag(IO_TAG(MAX7456_SPI_CS_PIN));
#endif
IOInit(max7456CsPin, OWNER_SYSTEM, RESOURCE_SPI);
IOConfigGPIO(max7456CsPin, SPI_IO_CS_CFG);
//Minimum spi clock period for max7456 is 100ns (10Mhz)
spiSetDivisor(MAX7456_SPI_INSTANCE, SPI_9MHZ_CLOCK_DIVIDER);