diff options
| author | Keith Packard <keithp@keithp.com> | 2013-05-18 03:02:38 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2013-05-18 03:02:38 -0700 |
| commit | d9b42470e8889b44bb08858a610285410a200ab9 (patch) | |
| tree | 2e6583581db2ac075f5145bb0218d7aa652fcfdd | |
| parent | 28890aa5893898cd0bb0ac033e491eb307a84ca5 (diff) | |
altos: Use ao_port_t in m25 driver
This uses ao_port_t for all of the chip select masks
Signed-off-by: Keith Packard <keithp@keithp.com>
| -rw-r--r-- | src/drivers/ao_m25.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/src/drivers/ao_m25.c b/src/drivers/ao_m25.c index 390637d7..9b768012 100644 --- a/src/drivers/ao_m25.c +++ b/src/drivers/ao_m25.c @@ -82,7 +82,7 @@ __pdata uint16_t ao_storage_unit; #if M25_MAX_CHIPS > 1 static uint8_t ao_m25_size[M25_MAX_CHIPS]; /* number of sectors in each chip */ -static uint8_t ao_m25_pin[M25_MAX_CHIPS]; /* chip select pin for each chip */ +static ao_port_t ao_m25_pin[M25_MAX_CHIPS]; /* chip select pin for each chip */ static uint8_t ao_m25_numchips; /* number of chips detected */ #endif static uint8_t ao_m25_total; /* total sectors available */ @@ -112,7 +112,7 @@ static __xdata uint8_t ao_m25_instruction[4]; * Block until the specified chip is done writing */ static void -ao_m25_wait_wip(uint8_t cs) +ao_m25_wait_wip(ao_port_t cs) { if (ao_m25_wip & cs) { M25_SELECT(cs); @@ -132,7 +132,7 @@ ao_m25_wait_wip(uint8_t cs) * so that future operations will block until the WIP bit goes off */ static void -ao_m25_write_enable(uint8_t cs) +ao_m25_write_enable(ao_port_t cs) { M25_SELECT(cs); ao_m25_instruction[0] = M25_WREN; @@ -146,7 +146,7 @@ ao_m25_write_enable(uint8_t cs) * Returns the number of 64kB sectors */ static uint8_t -ao_m25_read_capacity(uint8_t cs) +ao_m25_read_capacity(ao_port_t cs) { uint8_t capacity; M25_SELECT(cs); @@ -166,12 +166,13 @@ ao_m25_read_capacity(uint8_t cs) return 1 << (capacity - 0x10); } -static uint8_t +static ao_port_t ao_m25_set_address(uint32_t pos) { - uint8_t chip; + ao_port_t mask; #if M25_MAX_CHIPS > 1 uint8_t size; + uint8_t chip; for (chip = 0; chip < ao_m25_numchips; chip++) { size = ao_m25_size[chip]; @@ -182,16 +183,16 @@ ao_m25_set_address(uint32_t pos) if (chip == ao_m25_numchips) return 0xff; - chip = ao_m25_pin[chip]; + mask = ao_m25_pin[chip]; #else - chip = AO_M25_SPI_CS_MASK; + mask = AO_M25_SPI_CS_MASK; #endif - ao_m25_wait_wip(chip); + ao_m25_wait_wip(mask); ao_m25_instruction[1] = pos >> 16; ao_m25_instruction[2] = pos >> 8; ao_m25_instruction[3] = pos; - return chip; + return mask; } /* @@ -239,7 +240,7 @@ ao_m25_scan(void) uint8_t ao_storage_erase(uint32_t pos) __reentrant { - uint8_t cs; + ao_port_t cs; if (pos >= ao_storage_total || pos + ao_storage_block > ao_storage_total) return 0; @@ -268,7 +269,7 @@ ao_storage_erase(uint32_t pos) __reentrant uint8_t ao_storage_device_write(uint32_t pos, __xdata void *d, uint16_t len) __reentrant { - uint8_t cs; + ao_port_t cs; if (pos >= ao_storage_total || pos + len > ao_storage_total) return 0; @@ -295,7 +296,7 @@ ao_storage_device_write(uint32_t pos, __xdata void *d, uint16_t len) __reentrant uint8_t ao_storage_device_read(uint32_t pos, __xdata void *d, uint16_t len) __reentrant { - uint8_t cs; + ao_port_t cs; if (pos >= ao_storage_total || pos + len > ao_storage_total) return 0; @@ -332,7 +333,7 @@ void ao_storage_device_info(void) __reentrant { #if M25_DEBUG - uint8_t cs; + ao_port_t cs; #endif #if M25_MAX_CHIPS > 1 uint8_t chip; |