X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Flpc%2Fao_arch_funcs.h;h=ff8a184d28198252bbff6787456d9cb9491f9fee;hb=58db263cc835be0abb972654c2d7369718c88b37;hp=bc4c47ee57b4f60eb9d41c258a7ba5101fa1d7cb;hpb=08887678f900adae81dcb1a7f5353d98d127aafd;p=fw%2Faltos

diff --git a/src/lpc/ao_arch_funcs.h b/src/lpc/ao_arch_funcs.h
index bc4c47ee..ff8a184d 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_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);			\
+		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);			\
-		*_ioconf = *_ioconf & ~((1 << LPC_IOCONF_ADMODE) |	\
-					(LPC_IOCONF_MODE_MASK << LPC_IOCONF_MODE)); \
+		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)
 {
@@ -145,16 +159,19 @@ static inline void ao_arch_restore_stack(void) {
 
 #define ao_arch_isr_stack()
 
-#define ao_arch_wait_interrupt() do {			\
-		asm(".global ao_idle_loc\n\twfi\nao_idle_loc:");	\
-		ao_arch_release_interrupts();				\
-		ao_arch_block_interrupts();				\
-	} while (0)
+#endif /* HAS_TASK */
 
-#define ao_arch_critical(b) do {				\
-		ao_arch_block_interrupts();			\
-		do { b } while (0);				\
+#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 {			\
+		uint32_t __mask = ao_arch_irqsave();	\
+		do { b } while (0);			\
+		ao_arch_irqrestore(__mask);		\
 	} while (0)
 
 /*
@@ -184,7 +201,7 @@ void
 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);
@@ -193,7 +210,7 @@ void
 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);
+ao_spi_duplex(const void *out, void *in, uint16_t len, uint8_t spi_index);
 
 extern uint16_t	ao_spi_speed[LPC_NUM_SPI];
 
@@ -208,4 +225,18 @@ ao_spi_init(void);
 		}							\
 	} while (0)
 
+#define HAS_ARCH_START_SCHEDULER	1
+
+static inline void ao_arch_start_scheduler(void) {
+	uint32_t	sp;
+	uint32_t	control;
+
+	asm("mrs %0,msp" : "=&r" (sp));
+	asm("msr psp,%0" : : "r" (sp));
+	asm("mrs %0,control" : "=&r" (control));
+	control |= (1 << 1);
+	asm("msr control,%0" : : "r" (control));
+	asm("isb");
+}
+
 #endif /* _AO_ARCH_FUNCS_H_ */