X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstm%2Fao_arch_funcs.h;h=e66d20d72cbc568ca9c74e443fc5a7e5d7a96112;hb=ac318c19594569532f1fa53b639eefa28d9b7c34;hp=9b68f19a0c06dbd5889a0c1e7bb1e139255e8e4c;hpb=cf1e4d60e1fcd75fa734365a2666ea8930938128;p=fw%2Faltos

diff --git a/src/stm/ao_arch_funcs.h b/src/stm/ao_arch_funcs.h
index 9b68f19a..e66d20d7 100644
--- a/src/stm/ao_arch_funcs.h
+++ b/src/stm/ao_arch_funcs.h
@@ -18,18 +18,196 @@
 #ifndef _AO_ARCH_FUNCS_H_
 #define _AO_ARCH_FUNCS_H_
 
-extern uint8_t	ao_spi_mutex[STM_NUM_SPI];
+/* ao_spi_stm.c
+ */
+
+/* PCLK is set to 16MHz (HCLK 32MHz, APB prescaler 2) */
+
+#define AO_SPI_SPEED_8MHz	STM_SPI_CR1_BR_PCLK_2	/* This doesn't appear to work */
+#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_4MHz
+
+/* Companion bus wants something no faster than 200kHz */
+
+#define AO_SPI_SPEED_200kHz	AO_SPI_SPEED_125kHz
+
+#define AO_SPI_CONFIG_1		0x00
+#define AO_SPI_1_CONFIG_PA5_PA6_PA7	AO_SPI_CONFIG_1
+#define AO_SPI_2_CONFIG_PB13_PB14_PB15	AO_SPI_CONFIG_1
+
+#define AO_SPI_CONFIG_2		0x04
+#define AO_SPI_1_CONFIG_PB3_PB4_PB5	AO_SPI_CONFIG_2
+#define AO_SPI_2_CONFIG_PD1_PD3_PD4	AO_SPI_CONFIG_2
+
+#define AO_SPI_CONFIG_3		0x08
+#define AO_SPI_1_CONFIG_PE13_PE14_PE15	AO_SPI_CONFIG_3
+
+#define AO_SPI_CONFIG_NONE	0x0c
+
+#define AO_SPI_INDEX_MASK	0x01
+#define AO_SPI_CONFIG_MASK	0x0c
+
+#define AO_SPI_1_PA5_PA6_PA7	(STM_SPI_INDEX(1) | AO_SPI_1_CONFIG_PA5_PA6_PA7)
+#define AO_SPI_1_PB3_PB4_PB5	(STM_SPI_INDEX(1) | AO_SPI_1_CONFIG_PB3_PB4_PB5)
+#define AO_SPI_1_PE13_PE14_PE15	(STM_SPI_INDEX(1) | AO_SPI_1_CONFIG_PE13_PE14_PE15)
+
+#define AO_SPI_2_PB13_PB14_PB15	(STM_SPI_INDEX(2) | AO_SPI_2_CONFIG_PB13_PB14_PB15)
+#define AO_SPI_2_PD1_PD3_PD4	(STM_SPI_INDEX(2) | AO_SPI_2_CONFIG_PD1_PD3_PD4)
+
+#define AO_SPI_INDEX(id)	((id) & AO_SPI_INDEX_MASK)
+#define AO_SPI_CONFIG(id)	((id) & AO_SPI_CONFIG_MASK)
+
+void
+ao_spi_get(uint8_t spi_index, uint32_t speed);
 
-static inline void ao_spi_get(uint8_t spi_index) { ao_mutex_get(&ao_spi_mutex[spi_index]); }
-static inline void ao_spi_put(uint8_t spi_index) { ao_mutex_put(&ao_spi_mutex[spi_index]); }
+void
+ao_spi_put(uint8_t spi_index);
 
 void
 ao_spi_send(void *block, uint16_t len, uint8_t spi_index);
 
+void
+ao_spi_send_fixed(uint8_t value, uint16_t len, uint8_t spi_index);
+
 void
 ao_spi_recv(void *block, uint16_t len, uint8_t spi_index);
 
 void
-ao_spi_init(uint8_t spi_index);
+ao_spi_duplex(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);
+
+#define ao_spi_get_mask(reg,mask,bus, speed) do {		\
+		ao_spi_get(bus, speed);				\
+		(reg)->bsrr = ((uint32_t) mask) << 16;	\
+	} while (0)
+
+#define ao_spi_put_mask(reg,mask,bus) do {	\
+		(reg)->bsrr = mask;		\
+		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_enable_port(port) do {					\
+		if ((port) == &stm_gpioa)				\
+			stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIOAEN); \
+		else if ((port) == &stm_gpiob)				\
+			stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIOBEN); \
+		else if ((port) == &stm_gpioc)				\
+			stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIOCEN); \
+		else if ((port) == &stm_gpiod)				\
+			stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIODEN); \
+		else if ((port) == &stm_gpioe)				\
+			stm_rcc.ahbenr |= (1 << STM_RCC_AHBENR_GPIOEEN); \
+	} while (0)
+
+
+#define ao_gpio_set(port, bit, pin, v) stm_gpio_set(port, bit, v)
+
+#define ao_gpio_get(port, bit, pin) stm_gpio_get(port, bit)
+
+#define ao_enable_output(port,bit,pin,v) do {			\
+		ao_enable_port(port);				\
+		ao_gpio_set(port, bit, pin, v);			\
+		stm_moder_set(port, bit, STM_MODER_OUTPUT);\
+	} while (0)
+
+#define ao_enable_input(port,bit,mode) do {				\
+		ao_enable_port(port);					\
+		stm_moder_set(port, bit, STM_MODER_INPUT);		\
+		if (mode == AO_EXTI_MODE_PULL_UP)			\
+			stm_pupdr_set(port, bit, STM_PUPDR_PULL_UP);	\
+		else if (mode == AO_EXTI_MODE_PULL_DOWN)		\
+			stm_pupdr_set(port, bit, STM_PUPDR_PULL_DOWN);	\
+		else							\
+			stm_pupdr_set(port, bit, STM_PUPDR_NONE);	\
+	} while (0)
+
+#define ao_enable_cs(port,bit) do {				\
+		stm_gpio_set((port), bit, 1);			\
+		stm_moder_set((port), bit, STM_MODER_OUTPUT);	\
+	} while (0)
+
+#define ao_spi_init_cs(port, mask) do {				\
+		ao_enable_port(port);				\
+		if ((mask) & 0x0001) ao_enable_cs(port, 0);	\
+		if ((mask) & 0x0002) ao_enable_cs(port, 1);	\
+		if ((mask) & 0x0004) ao_enable_cs(port, 2);	\
+		if ((mask) & 0x0008) ao_enable_cs(port, 3);	\
+		if ((mask) & 0x0010) ao_enable_cs(port, 4);	\
+		if ((mask) & 0x0020) ao_enable_cs(port, 5);	\
+		if ((mask) & 0x0040) ao_enable_cs(port, 6);	\
+		if ((mask) & 0x0080) ao_enable_cs(port, 7);	\
+		if ((mask) & 0x0100) ao_enable_cs(port, 8);	\
+		if ((mask) & 0x0200) ao_enable_cs(port, 9);	\
+		if ((mask) & 0x0400) ao_enable_cs(port, 10);\
+		if ((mask) & 0x0800) ao_enable_cs(port, 11);\
+		if ((mask) & 0x1000) ao_enable_cs(port, 12);\
+		if ((mask) & 0x2000) ao_enable_cs(port, 13);\
+		if ((mask) & 0x4000) ao_enable_cs(port, 14);\
+		if ((mask) & 0x8000) ao_enable_cs(port, 15);\
+	} while (0)
+
+/* ao_dma_stm.c
+ */
+
+extern uint8_t ao_dma_done[STM_NUM_DMA];
+
+void
+ao_dma_set_transfer(uint8_t 		index,
+		    volatile void	*peripheral,
+		    void		*memory,
+		    uint16_t		count,
+		    uint32_t		ccr);
+
+void
+ao_dma_set_isr(uint8_t index, void (*isr)(int index));
+
+void
+ao_dma_start(uint8_t index);
+
+void
+ao_dma_done_transfer(uint8_t index);
+
+void
+ao_dma_abort(uint8_t index);
+
+void
+ao_dma_alloc(uint8_t index);
+
+void
+ao_dma_init(void);
+
+/* ao_i2c_stm.c */
+
+void
+ao_i2c_get(uint8_t i2c_index);
+
+uint8_t
+ao_i2c_start(uint8_t i2c_index, uint16_t address);
+
+void
+ao_i2c_put(uint8_t i2c_index);
+
+uint8_t
+ao_i2c_send(void *block, uint16_t len, uint8_t i2c_index, uint8_t stop);
+
+uint8_t
+ao_i2c_recv(void *block, uint16_t len, uint8_t i2c_index, uint8_t stop);
+
+void
+ao_i2c_init(void);
 
 #endif /* _AO_ARCH_FUNCS_H_ */