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altos: Add ao_lco_two.c; alternate LCO interface code
[fw/altos]
/
src
/
drivers
/
ao_25lc1024.c
diff --git
a/src/drivers/ao_25lc1024.c
b/src/drivers/ao_25lc1024.c
index 2d047a44bf7b254471fe194e9cbfb66ff70fb228..fac0a430f1b97406fefa92d31a4936c5b2fd2aa9 100644
(file)
--- 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
*/
* 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 P1_2
-#define EE_CS_
INDEX
2
+#define EE_CS_
PIN
2
static __xdata uint8_t ao_ee_mutex;
static __xdata uint8_t ao_ee_mutex;
@@
-49,9
+50,9
@@
static __xdata uint8_t ao_ee_mutex;
_asm nop _endasm; \
} while(0)
_asm nop _endasm; \
} while(0)
-#define ao_ee_cs_low() ao_spi_get_bit(EE_CS)
+#define ao_ee_cs_low() ao_spi_get_bit(EE_CS
_PORT, EE_CS_PIN, EE_CS, AO_EE_SPI_BUS, AO_SPI_SPEED_FAST
)
-#define ao_ee_cs_high() ao_spi_put_bit(EE_CS)
+#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;
struct ao_ee_instruction {
uint8_t instruction;
@@
-63,7
+64,7
@@
ao_ee_write_enable(void)
{
ao_ee_cs_low();
ao_ee_instruction.instruction = EE_WREN;
{
ao_ee_cs_low();
ao_ee_instruction.instruction = EE_WREN;
- ao_spi_send(&ao_ee_instruction, 1);
+ ao_spi_send(&ao_ee_instruction, 1
, AO_EE_SPI_BUS
);
ao_ee_cs_high();
}
ao_ee_cs_high();
}
@@
-72,8
+73,8
@@
ao_ee_rdsr(void)
{
ao_ee_cs_low();
ao_ee_instruction.instruction = EE_RDSR;
{
ao_ee_cs_low();
ao_ee_instruction.instruction = EE_RDSR;
- ao_spi_send(&ao_ee_instruction, 1);
- ao_spi_recv(&ao_ee_instruction, 1);
+ ao_spi_send(&ao_ee_instruction, 1
, AO_EE_SPI_BUS
);
+ ao_spi_recv(&ao_ee_instruction, 1
, AO_EE_SPI_BUS
);
ao_ee_cs_high();
return ao_ee_instruction.instruction;
}
ao_ee_cs_high();
return ao_ee_instruction.instruction;
}
@@
-84,7
+85,7
@@
ao_ee_wrsr(uint8_t status)
ao_ee_cs_low();
ao_ee_instruction.instruction = EE_WRSR;
ao_ee_instruction.address[0] = status;
ao_ee_cs_low();
ao_ee_instruction.instruction = EE_WRSR;
ao_ee_instruction.address[0] = status;
- ao_spi_send(&ao_ee_instruction, 2);
+ ao_spi_send(&ao_ee_instruction, 2
, AO_EE_SPI_BUS
);
ao_ee_cs_high();
}
ao_ee_cs_high();
}
@@
-111,8
+112,8
@@
ao_ee_write_block(void)
ao_ee_instruction.address[0] = ao_ee_block >> 8;
ao_ee_instruction.address[1] = ao_ee_block;
ao_ee_instruction.address[2] = 0;
ao_ee_instruction.address[0] = ao_ee_block >> 8;
ao_ee_instruction.address[1] = ao_ee_block;
ao_ee_instruction.address[2] = 0;
- ao_spi_send(&ao_ee_instruction, 4);
- ao_spi_send(ao_ee_data, EE_BLOCK_SIZE);
+ ao_spi_send(&ao_ee_instruction, 4
, AO_EE_SPI_BUS
);
+ ao_spi_send(ao_ee_data, EE_BLOCK_SIZE
, AO_EE_SPI_BUS
);
ao_ee_cs_high();
for (;;) {
uint8_t status = ao_ee_rdsr();
ao_ee_cs_high();
for (;;) {
uint8_t status = ao_ee_rdsr();
@@
-130,8
+131,8
@@
ao_ee_read_block(void)
ao_ee_instruction.address[0] = ao_ee_block >> 8;
ao_ee_instruction.address[1] = ao_ee_block;
ao_ee_instruction.address[2] = 0;
ao_ee_instruction.address[0] = ao_ee_block >> 8;
ao_ee_instruction.address[1] = ao_ee_block;
ao_ee_instruction.address[2] = 0;
- ao_spi_send(&ao_ee_instruction, 4);
- ao_spi_recv(ao_ee_data, EE_BLOCK_SIZE);
+ ao_spi_send(&ao_ee_instruction, 4
, AO_EE_SPI_BUS
);
+ ao_spi_recv(ao_ee_data, EE_BLOCK_SIZE
, AO_EE_SPI_BUS
);
ao_ee_cs_high();
}
ao_ee_cs_high();
}
@@
-235,7
+236,5
@@
void
ao_storage_device_init(void)
{
/* set up CS */
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, EE_CS, 1);
}
}