#define ao_gpio_get(port, bit, pin) (lpc_gpio.byte[lpc_all_bit(port,bit)])
+#define PORT0_JTAG_REGS ((1 << 11) | (1 << 12) | (1 << 14))
+
+static inline void lpc_set_gpio(int port, int bit) {
+ if (port == 0 && (1 << bit) & (PORT0_JTAG_REGS)) {
+ vuint32_t *_ioconf = &lpc_ioconf.pio0_0 + ((port)*24+(bit));
+
+ *_ioconf = (*_ioconf & ~LPC_IOCONF_FUNC_MASK) | LPC_IOCONF_FUNC_PIO0_11;
+ }
+}
+
#define ao_enable_output(port,bit,pin,v) do { \
ao_enable_port(port); \
+ lpc_set_gpio(port,bit); \
ao_gpio_set(port, bit, pin, v); \
lpc_gpio.dir[port] |= (1 << bit); \
} while (0)
#define ao_enable_input(port,bit,mode) do { \
ao_enable_port(port); \
+ lpc_set_gpio(port,bit); \
lpc_gpio.dir[port] &= ~(1 << bit); \
ao_gpio_set_mode(port,bit,mode); \
} while (0)
#endif /* HAS_TASK */
-#define ao_arch_wait_interrupt() do { \
- asm(".global ao_idle_loc\n\twfi\nao_idle_loc:"); \
- ao_arch_release_interrupts(); \
- ao_arch_block_interrupts(); \
+#define ao_arch_wait_interrupt() do { \
+ asm("\twfi\n"); \
+ ao_arch_release_interrupts(); \
+ asm(".global ao_idle_loc\n\nao_idle_loc:"); \
+ ao_arch_block_interrupts(); \
} while (0)
-#define ao_arch_critical(b) do { \
- ao_arch_block_interrupts(); \
- do { b } while (0); \
- ao_arch_release_interrupts(); \
+#define ao_arch_critical(b) do { \
+ uint32_t __mask = ao_arch_irqsave(); \
+ do { b } while (0); \
+ ao_arch_irqrestore(__mask); \
} while (0)
/*
ao_spi_put(uint8_t spi_index);
void
-ao_spi_send(void *block, uint16_t len, uint8_t spi_index);
+ao_spi_send(const void *block, uint16_t len, uint8_t spi_index);
void
ao_spi_send_fixed(uint8_t value, uint16_t len, uint8_t spi_index);
ao_spi_recv(void *block, uint16_t len, uint8_t spi_index);
void
-ao_spi_duplex(void *out, void *in, uint16_t len, uint8_t spi_index);
-
-extern uint16_t ao_spi_speed[LPC_NUM_SPI];
+ao_spi_duplex(const void *out, void *in, uint16_t len, uint8_t spi_index);
void
ao_spi_init(void);
asm("mrs %0,control" : "=&r" (control));
control |= (1 << 1);
asm("msr control,%0" : : "r" (control));
+ asm("isb");
}
#endif /* _AO_ARCH_FUNCS_H_ */