diff options
Diffstat (limited to 'nuttx/arch/arm/src/lpc17xx/lpc17_gpio.h')
| -rw-r--r-- | nuttx/arch/arm/src/lpc17xx/lpc17_gpio.h | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_gpio.h b/nuttx/arch/arm/src/lpc17xx/lpc17_gpio.h index f3a003255..993369aa2 100644 --- a/nuttx/arch/arm/src/lpc17xx/lpc17_gpio.h +++ b/nuttx/arch/arm/src/lpc17xx/lpc17_gpio.h @@ -171,19 +171,36 @@ #elif defined(LPC178x) -/* Encoding: TT FFFF MMOV PPPN NNNN - Encoding: TTTT TTTT FFFF MMOV PPPN NNNN - */ -/* Encoding: FFFF MMOV PPPN NNNN - * - * Pin Function: FFFF - * Pin Mode bits: MM - * Open drain: O (output pins) - * Initial value: V (output pins) - * Port number: PPP (0-4) - * Pin number: NNNNN (0-31) +/* Encoding: TTTT TTTT FFFF MMOV PPPN NNNN + * + * Special Pin Functions: TTTT TTTT + * Pin Function: FFFF + * Pin Mode bits: MM + * Open drain: O (output pins) + * Initial value: V (output pins) + * Port number: PPP (0-4) + * Pin number: NNNNN (0-31) */ +/* Special Pin Functions + * For pins that has ADC/DAC, USB, I2C + */ + +#define GPIO_IOCON_TYPE_D_MASK (0x0000067f) /* All port except where ADC/DAC, USB, I2C is present */ +#define GPIO_IOCON_TYPE_A_MASK (0x000105df) /* USB/ADC/DAC P0:12 to 13, P0:23 to 26, P1:30 to 31 */ +#define GPIO_IOCON_TYPE_U_MASK (0x00000007) /* USB P0:29 to 31 */ +#define GPIO_IOCON_TYPE_I_MASK (0x00000347) /* I2C/USB P0:27 to 28, P5:2 to 3 */ +#define GPIO_IOCON_TYPE_W_MASK (0x000007ff) /* I2S P0:7 to 9 */ + +# define GPIO_HYS (1 << 16) /* Bit 16: HYSTERESIS: 0-Disable, 1-Enabled */ +# define GPIO_INV (1 << 17) /* Bit 17: Input: 0-Not Inverted, 1-Inverted */ +# define GPIO_SLEW (1 << 18) /* Bit 18: Rate Control: 0-Standard mode, 1-Fast mode */ +# define GPIO_ADMODE (1 << 19) /* Bit 19: A/D Modes: 0-Analog, 1-Digital */ +# define GPIO_FILTER (1 << 20) /* Bit 20: Filter: 0-Off, 1-ON */ +# define GPIO_DACEN (1 << 21) /* Bit 21: DAC: 0-Disabled, 1-Enabled, P0:26 only */ +# define GPIO_I2CHS (1 << 22) /* Bit 22: Filter and Rate Control: 0-Enabled, 1-Disabled */ +# define GPIO_HIDRIVE (1 << 23) /* Bit 23: Current Sink: 0-4mA, 1-20mA P5:2 and P5:3 only,*/ + /* Pin Function bits: FFFF * Only meaningful when the GPIO function is GPIO_PIN */ @@ -198,24 +215,11 @@ # define GPIO_ALT1 (5 << GPIO_FUNC_SHIFT) /* 0101 Alternate function 1 */ # define GPIO_ALT2 (6 << GPIO_FUNC_SHIFT) /* 0110 Alternate function 2 */ # define GPIO_ALT3 (7 << GPIO_FUNC_SHIFT) /* 0111 Alternate function 3 */ - # define GPIO_ALT4 (8 << GPIO_FUNC_SHIFT) /* 1000 Alternate function 4 */ # define GPIO_ALT5 (9 << GPIO_FUNC_SHIFT) /* 1001 Alternate function 5 */ # define GPIO_ALT6 (10 << GPIO_FUNC_SHIFT) /* 1010 Alternate function 6 */ # define GPIO_ALT7 (11 << GPIO_FUNC_SHIFT) /* 1011 Alternate function 7 */ -/* Options for each IOCON Types */ -//~ #define GPIO_TYPE_SHIFT (16) -//~ #define GPIO_TYPE_MASK (3 << GPIO_TYPE_SHIFT) -//~ # define GPIO_HYSTERIS (<< 0 << ) -//~ # define GPIO_INVERTED (<< 1 << ) -//~ # define GPIO_SLEW (<< 2 << ) -//~ # define GPIO_ADMODE (<< 3 << ) -//~ # define GPIO_FILTER (<< 4 << ) -//~ # define GPIO_DACEN (<< 5 << ) -//~ # define GPIO_I2CHS (<< 6 << ) -//~ # define GPIO_HIDRIVE (<< 7 << ) - #define GPIO_EDGE_SHIFT (13) /* Bits 13-14: Interrupt edge bits */ #define GPIO_EDGE_MASK (3 << GPIO_EDGE_SHIFT) |