diff options
| author | Keith Packard <keithp@keithp.com> | 2010-02-20 20:22:16 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2010-02-20 20:30:27 -0800 |
| commit | 84c93bb2fc4558a5e4654794ba90e730a84eaf67 (patch) | |
| tree | 4d279672734ec5c3e50976917ccbf33a306a740d /src/ao_dbg.c | |
| parent | fd0a42e0e96dcb8ecc9e999f70bcf70692692af9 (diff) | |
Change altos build process to support per-product compile-time changes
This creates per-product subdirectories and recompiles everything for
each product, allowing per-product compile-time changes for things
like peripheral pin assignments and attached serial devices.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/ao_dbg.c')
| -rw-r--r-- | src/ao_dbg.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/src/ao_dbg.c b/src/ao_dbg.c index b218897c..d0633f92 100644 --- a/src/ao_dbg.c +++ b/src/ao_dbg.c @@ -16,19 +16,12 @@ */ #include "ao.h" - -#define DBG_CLOCK (1 << 3) -#define DBG_DATA (1 << 4) -#define DBG_RESET_N (1 << 5) - -#define DBG_CLOCK_PIN (P0_3) -#define DBG_DATA_PIN (P0_4) -#define DBG_RESET_N_PIN (P0_5) +#include "ao_pins.h" static void ao_dbg_send_bits(uint8_t msk, uint8_t val) __reentrant { - P0 = (P0 & ~msk) | (val & msk); + DBG_PORT = (DBG_PORT & ~msk) | (val & msk); _asm nop nop @@ -40,8 +33,8 @@ ao_dbg_send_byte(uint8_t byte) { __xdata uint8_t b, d; - P0 |= DBG_DATA; - P0DIR |= DBG_DATA; + DBG_PORT |= DBG_DATA; + DBG_PORT_DIR |= DBG_DATA; for (b = 0; b < 8; b++) { d = 0; if (byte & 0x80) @@ -50,7 +43,7 @@ ao_dbg_send_byte(uint8_t byte) ao_dbg_send_bits(DBG_CLOCK|DBG_DATA, DBG_CLOCK|d); ao_dbg_send_bits(DBG_CLOCK|DBG_DATA, 0 |d); } - P0DIR &= ~DBG_DATA; + DBG_PORT_DIR &= ~DBG_DATA; } uint8_t @@ -171,20 +164,15 @@ ao_dbg_read_byte(void) static void ao_dbg_set_pins(void) { - /* Disable peripheral use of P0 */ - ADCCFG = 0; - P0SEL = 0; - - - /* make P0_4 tri-state */ - P0INP = DBG_DATA; - P2INP &= ~(P2INP_PDUP0_PULL_DOWN); + /* make DBG_DATA tri-state */ + DBG_PORT_INP |= DBG_DATA; /* Raise RESET_N and CLOCK */ - P0 = DBG_RESET_N | DBG_CLOCK; + DBG_PORT |= DBG_RESET_N | DBG_CLOCK; /* RESET_N and CLOCK are outputs now */ - P0DIR = DBG_RESET_N | DBG_CLOCK; + DBG_PORT_DIR |= DBG_RESET_N | DBG_CLOCK; + DBG_PORT_DIR &= ~DBG_DATA; } static void |