X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fstm%2Fao_arch_funcs.h;h=d2cc11201a7e7c550d36985d9ef0df871d61764e;hp=5c8d990b22a5462395735aa9134cbcbfac13c3f2;hb=HEAD;hpb=4c5942fb082811f136322ec26de615cdb7e17580

diff --git a/src/stm/ao_arch_funcs.h b/src/stm/ao_arch_funcs.h
index 5c8d990b..0f2f36a6 100644
--- a/src/stm/ao_arch_funcs.h
+++ b/src/stm/ao_arch_funcs.h
@@ -24,20 +24,27 @@
 
 /* PCLK is set to 16MHz (HCLK 32MHz, APB prescaler 2) */
 
-#define AO_SPI_SPEED_8MHz	STM_SPI_CR1_BR_PCLK_2
-#define AO_SPI_SPEED_4MHz	STM_SPI_CR1_BR_PCLK_4
-#define AO_SPI_SPEED_2MHz	STM_SPI_CR1_BR_PCLK_8
-#define AO_SPI_SPEED_1MHz	STM_SPI_CR1_BR_PCLK_16
-#define AO_SPI_SPEED_500kHz	STM_SPI_CR1_BR_PCLK_32
-#define AO_SPI_SPEED_250kHz	STM_SPI_CR1_BR_PCLK_64
-#define AO_SPI_SPEED_125kHz	STM_SPI_CR1_BR_PCLK_128
-#define AO_SPI_SPEED_62500Hz	STM_SPI_CR1_BR_PCLK_256
+//#define AO_SPI_SPEED_8MHz	STM_SPI_CR1_BR_PCLK_2	/* too fast to use safely */
+#define _AO_SPI_SPEED_4MHz	STM_SPI_CR1_BR_PCLK_4
+#define _AO_SPI_SPEED_2MHz	STM_SPI_CR1_BR_PCLK_8
+#define _AO_SPI_SPEED_1MHz	STM_SPI_CR1_BR_PCLK_16
+#define _AO_SPI_SPEED_500kHz	STM_SPI_CR1_BR_PCLK_32
+#define _AO_SPI_SPEED_250kHz	STM_SPI_CR1_BR_PCLK_64
+#define _AO_SPI_SPEED_125kHz	STM_SPI_CR1_BR_PCLK_128
+#define _AO_SPI_SPEED_62500Hz	STM_SPI_CR1_BR_PCLK_256
 
-#define AO_SPI_SPEED_FAST	AO_SPI_SPEED_8MHz
-
-/* Companion bus wants something no faster than 200kHz */
-
-#define AO_SPI_SPEED_200kHz	AO_SPI_SPEED_125kHz
+static inline uint32_t
+ao_spi_speed(int index, uint32_t hz)
+{
+	(void) index;
+	if (hz >= 4000000) return _AO_SPI_SPEED_4MHz;
+	if (hz >= 2000000) return _AO_SPI_SPEED_2MHz;
+	if (hz >= 1000000) return _AO_SPI_SPEED_1MHz;
+	if (hz >=  500000) return _AO_SPI_SPEED_500kHz;
+	if (hz >=  250000) return _AO_SPI_SPEED_250kHz;
+	if (hz >=  125000) return _AO_SPI_SPEED_125kHz;
+	return _AO_SPI_SPEED_62500Hz;
+}
 
 #define AO_SPI_CPOL_BIT		4
 #define AO_SPI_CPHA_BIT		5
@@ -86,6 +93,9 @@ ao_spi_get(uint8_t spi_index, uint32_t speed);
 void
 ao_spi_put(uint8_t spi_index);
 
+void
+ao_spi_put_pins(uint8_t spi_index);
+
 void
 ao_spi_send(const void *block, uint16_t len, uint8_t spi_index);
 
@@ -142,7 +152,7 @@ ao_spi_recv_byte(uint8_t spi_index)
 	stm_spi->dr = 0xff;
 	while (!(stm_spi->sr & (1 << STM_SPI_SR_RXNE)))
 		;
-	return stm_spi->dr;
+	return (uint8_t) stm_spi->dr;
 }
 
 void
@@ -151,8 +161,6 @@ ao_spi_recv(void *block, uint16_t len, uint8_t spi_index);
 void
 ao_spi_duplex(const void *out, void *in, uint16_t len, uint8_t spi_index);
 
-extern uint16_t	ao_spi_speed[STM_NUM_SPI];
-
 void
 ao_spi_init(void);
 
@@ -178,8 +186,8 @@ ao_spi_try_get_mask(struct stm_gpio *reg, uint16_t mask, uint8_t bus, uint32_t s
 		ao_spi_put(bus);		\
 	} while (0)
 
-#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_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) do {					\
 		if ((port) == &stm_gpioa)				\
@@ -196,15 +204,15 @@ ao_spi_try_get_mask(struct stm_gpio *reg, uint16_t mask, uint8_t bus, uint32_t s
 
 #define ao_disable_port(port) do {					\
 		if ((port) == &stm_gpioa)				\
-			stm_rcc.ahbenr &= ~(1 << STM_RCC_AHBENR_GPIOAEN); \
+			stm_rcc.ahbenr &= ~(1UL << STM_RCC_AHBENR_GPIOAEN); \
 		else if ((port) == &stm_gpiob)				\
-			stm_rcc.ahbenr &= ~(1 << STM_RCC_AHBENR_GPIOBEN); \
+			stm_rcc.ahbenr &= ~(1UL << STM_RCC_AHBENR_GPIOBEN); \
 		else if ((port) == &stm_gpioc)				\
-			stm_rcc.ahbenr &= ~(1 << STM_RCC_AHBENR_GPIOCEN); \
+			stm_rcc.ahbenr &= ~(1UL << STM_RCC_AHBENR_GPIOCEN); \
 		else if ((port) == &stm_gpiod)				\
-			stm_rcc.ahbenr &= ~(1 << STM_RCC_AHBENR_GPIODEN); \
+			stm_rcc.ahbenr &= ~(1UL << STM_RCC_AHBENR_GPIODEN); \
 		else if ((port) == &stm_gpioe)				\
-			stm_rcc.ahbenr &= ~(1 << STM_RCC_AHBENR_GPIOEEN); \
+			stm_rcc.ahbenr &= ~(1UL << STM_RCC_AHBENR_GPIOEEN); \
 	} while (0)
 
 
@@ -235,7 +243,7 @@ ao_spi_try_get_mask(struct stm_gpio *reg, uint16_t mask, uint8_t bus, uint32_t s
 #define AO_OUTPUT_PUSH_PULL	STM_OTYPER_PUSH_PULL
 #define AO_OUTPUT_OPEN_DRAIN	STM_OTYPER_OPEN_DRAIN
 
-#define ao_gpio_set_output_mode(port,bit,mode) \
+#define ao_gpio_set_output_mode(port,pin,mode) \
 	stm_otyper_set(port, pin, mode)
 
 #define ao_gpio_set_mode(port,bit,mode) do {				\
@@ -558,8 +566,8 @@ ao_validate_cur_stack(void)
 
 	asm("mrs %0,psp" : "=&r" (psp));
 	if (ao_cur_task &&
-	    psp <= ao_cur_task->stack &&
-	    psp >= ao_cur_task->stack - 256)
+	    (psp <= ao_cur_task->stack8 ||
+	     psp >= ao_cur_task->stack8 + AO_STACK_SIZE))
 		ao_panic(AO_PANIC_STACK);
 }
 #endif