diff options
Diffstat (limited to 'src/drivers/ao_25lc1024.c')
| -rw-r--r-- | src/drivers/ao_25lc1024.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/drivers/ao_25lc1024.c b/src/drivers/ao_25lc1024.c index f0fb13c9..b25d52c4 100644 --- a/src/drivers/ao_25lc1024.c +++ b/src/drivers/ao_25lc1024.c @@ -38,8 +38,9 @@ __pdata uint16_t ao_storage_unit; * Using SPI on USART 0, with P1_2 as the chip select */ +#define EE_CS_PORT P1 #define EE_CS P1_2 -#define EE_CS_INDEX 2 +#define EE_CS_PIN 2 static __xdata uint8_t ao_ee_mutex; @@ -49,9 +50,9 @@ static __xdata uint8_t ao_ee_mutex; _asm nop _endasm; \ } while(0) -#define ao_ee_cs_low() ao_spi_get_bit(EE_CS, AO_EE_SPI_BUS) +#define ao_ee_cs_low() ao_spi_get_bit(EE_CS_PORT, EE_CS_PIN, EE_CS, AO_EE_SPI_BUS) -#define ao_ee_cs_high() ao_spi_put_bit(EE_CS, AO_EE_SPI_BUS) +#define ao_ee_cs_high() ao_spi_put_bit(EE_CS_PORT, EE_CS_PIN, EE_CS, AO_EE_SPI_BUS) struct ao_ee_instruction { uint8_t instruction; @@ -235,7 +236,5 @@ void ao_storage_device_init(void) { /* set up CS */ - EE_CS = 1; - P1DIR |= (1 << EE_CS_INDEX); - P1SEL &= ~(1 << EE_CS_INDEX); + ao_enable_output(EE_CS_PORT, EE_CS_PIN,1); } |