diff options
Diffstat (limited to 'src/lpc/ao_arch_funcs.h')
| -rw-r--r-- | src/lpc/ao_arch_funcs.h | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/src/lpc/ao_arch_funcs.h b/src/lpc/ao_arch_funcs.h index 204d1227..9a3219a2 100644 --- a/src/lpc/ao_arch_funcs.h +++ b/src/lpc/ao_arch_funcs.h @@ -22,12 +22,13 @@ #define ao_spi_put_bit(reg,bit,pin,bus) ao_spi_put_mask(reg,(1<<bit),bus) #define ao_enable_port(port) (lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_GPIO)) +#define ao_disable_port(port) (lpc_scb.sysahbclkctrl &= ~(1 << LPC_SCB_SYSAHBCLKCTRL_GPIO)) #define lpc_all_bit(port,bit) (((port) << 5) | (bit)) #define ao_gpio_set(port, bit, pin, v) (lpc_gpio.byte[lpc_all_bit(port,bit)] = (v)) -#define ao_gpio_get(port, bit, pin) (lpc_gpio_byte[lpc_all_bit(port,bit)]) +#define ao_gpio_get(port, bit, pin) (lpc_gpio.byte[lpc_all_bit(port,bit)]) #define ao_enable_output(port,bit,pin,v) do { \ ao_enable_port(port); \ @@ -35,11 +36,9 @@ lpc_gpio.dir[port] |= (1 << bit); \ } while (0) -#define ao_enable_input(port,bit,mode) do { \ +#define ao_gpio_set_mode(port,bit,mode) do { \ vuint32_t *_ioconf = &lpc_ioconf.pio0_0 + ((port)*24+(bit)); \ vuint32_t _mode; \ - ao_enable_port(port); \ - lpc_gpio.dir[port] &= ~(1 << bit); \ if (mode == AO_EXTI_MODE_PULL_UP) \ _mode = LPC_IOCONF_MODE_PULL_UP << LPC_IOCONF_MODE; \ else if (mode == AO_EXTI_MODE_PULL_DOWN) \ @@ -51,12 +50,26 @@ (1 << LPC_IOCONF_ADMODE)); \ } while (0) -#define ao_enable_analog(port,bit) do { \ - vuint32_t *_ioconf = &lpc_ioconf.pio0_0 + ((port)*24+(bit)); \ +#define ao_enable_input(port,bit,mode) do { \ ao_enable_port(port); \ lpc_gpio.dir[port] &= ~(1 << bit); \ - *_ioconf = *_ioconf & ~((1 << LPC_IOCONF_ADMODE) | \ - (LPC_IOCONF_MODE_MASK << LPC_IOCONF_MODE)); \ + ao_gpio_set_mode(port,bit,mode); \ + } while (0) + +#define lpc_token_paster_2(x,y) x ## y +#define lpc_token_evaluator_2(x,y) lpc_token_paster_2(x,y) +#define lpc_token_paster_3(x,y,z) x ## y ## z +#define lpc_token_evaluator_3(x,y,z) lpc_token_paster_3(x,y,z) +#define lpc_token_paster_4(w,x,y,z) w ## x ## y ## z +#define lpc_token_evaluator_4(w,x,y,z) lpc_token_paster_4(w,x,y,z) +#define analog_reg(port,bit) lpc_token_evaluator_4(pio,port,_,bit) +#define analog_func(id) lpc_token_evaluator_2(LPC_IOCONF_FUNC_AD,id) + +#define ao_enable_analog(port,bit,id) do { \ + ao_enable_port(port); \ + lpc_gpio.dir[port] &= ~(1 << bit); \ + lpc_ioconf.analog_reg(port,bit) = ((analog_func(id) << LPC_IOCONF_FUNC) | \ + (0 << LPC_IOCONF_ADMODE)); \ } while (0) #define ARM_PUSH32(stack, val) (*(--(stack)) = (val)) @@ -79,6 +92,7 @@ ao_arch_memory_barrier() { asm volatile("" ::: "memory"); } +#if HAS_TASK static inline void ao_arch_init_stack(struct ao_task *task, void *start) { @@ -145,6 +159,8 @@ static inline void ao_arch_restore_stack(void) { #define ao_arch_isr_stack() +#endif /* HAS_TASK */ + #define ao_arch_wait_interrupt() do { \ asm(".global ao_idle_loc\n\twfi\nao_idle_loc:"); \ ao_arch_release_interrupts(); \ |