*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
#ifndef _AO_ARCH_FUNCS_H_
#define _AO_ARCH_FUNCS_H_
-#define ao_spi_get_bit(reg,bit,pin,bus,speed) ao_spi_get_mask(reg,(1<<bit),bus,speed)
-#define ao_spi_put_bit(reg,bit,pin,bus) ao_spi_put_mask(reg,(1<<bit),bus)
+#define ao_spi_get_bit(reg,bit,bus,speed) ao_spi_get_mask(reg,(1<<bit),bus,speed)
+#define ao_spi_put_bit(reg,bit,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, 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) (lpc_gpio.byte[lpc_all_bit(port,bit)])
-#define ao_enable_output(port,bit,pin,v) do { \
+#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,v) do { \
ao_enable_port(port); \
- ao_gpio_set(port, bit, pin, v); \
+ lpc_set_gpio(port,bit); \
+ ao_gpio_set(port, bit, v); \
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) \
(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_set_gpio(port,bit); \
+ 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))
asm volatile("" ::: "memory");
}
+#if HAS_TASK
static inline void
ao_arch_init_stack(struct ao_task *task, void *start)
{
- uint32_t *sp = (uint32_t *) (task->stack + AO_STACK_SIZE);
+ uint32_t *sp = (uint32_t *) (void *) (task->stack + AO_STACK_SIZE);
uint32_t a = (uint32_t) start;
int i;
#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)
/*
ao_spi_put(bus); \
} while (0)
-#define ao_spi_get_bit(reg,bit,pin,bus,speed) ao_spi_get_mask(reg,(1<<bit),bus,speed)
-#define ao_spi_put_bit(reg,bit,pin,bus) ao_spi_put_mask(reg,(1<<bit),bus)
+#define ao_spi_get_bit(reg,bit,bus,speed) ao_spi_get_mask(reg,(1<<bit),bus,speed)
+#define ao_spi_put_bit(reg,bit,bus) ao_spi_put_mask(reg,(1<<bit),bus)
void
ao_spi_get(uint8_t spi_index, uint32_t speed);
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);
+static inline void
+ao_spi_send_sync(const void *block, uint16_t len, uint8_t spi_index)
+{
+ ao_spi_send(block, len, spi_index);
+}
+
+static inline void ao_spi_send_byte(uint8_t byte, uint8_t spi_index)
+{
+ struct lpc_ssp *lpc_ssp;
+ switch (spi_index) {
+ case 0:
+ lpc_ssp = &lpc_ssp0;
+ break;
+ case 1:
+ lpc_ssp = &lpc_ssp1;
+ break;
+ }
+ lpc_ssp->dr = byte;
+ while ((lpc_ssp->sr & (1 << LPC_SSP_SR_RNE)) == 0);
+ (void) lpc_ssp->dr;
+}
+
#define ao_spi_init_cs(port, mask) do { \
uint8_t __bit__; \
for (__bit__ = 0; __bit__ < 32; __bit__++) { \
if (mask & (1 << __bit__)) \
- ao_enable_output(port, __bit__, PIN, 1); \
+ ao_enable_output(port, __bit__, 1); \
} \
} while (0)
asm("mrs %0,control" : "=&r" (control));
control |= (1 << 1);
asm("msr control,%0" : : "r" (control));
+ asm("isb");
}
#endif /* _AO_ARCH_FUNCS_H_ */
projects / fw / altos / blobdiff