X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstmf0%2Fao_arch_funcs.h;h=96c033f9712ce379f481c43d4fe621e52f663e2d;hb=bc70f92966221f941b96177b401744a7aca24814;hp=8d585f80cdddd22a2f3bd163b912f4b2aeb8c9d0;hpb=a5607aad694c01c01c48229172b289f005a1b6bb;p=fw%2Faltos

diff --git a/src/stmf0/ao_arch_funcs.h b/src/stmf0/ao_arch_funcs.h
index 8d585f80..96c033f9 100644
--- a/src/stmf0/ao_arch_funcs.h
+++ b/src/stmf0/ao_arch_funcs.h
@@ -3,7 +3,8 @@
  *
  * 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
@@ -23,22 +24,22 @@
 /* ao_spi_stm.c
  */
 
-/* PCLK is set to 16MHz (HCLK 32MHz, APB prescaler 2) */
+/* PCLK is set to 48MHz (HCLK 48MHz, HPRE 1, PPRE 1) */
 
-#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_24MHz	STM_SPI_CR1_BR_PCLK_2
+#define AO_SPI_SPEED_12MHz	STM_SPI_CR1_BR_PCLK_4
+#define AO_SPI_SPEED_6MHz	STM_SPI_CR1_BR_PCLK_8
+#define AO_SPI_SPEED_3MHz	STM_SPI_CR1_BR_PCLK_16
+#define AO_SPI_SPEED_1500kHz	STM_SPI_CR1_BR_PCLK_32
+#define AO_SPI_SPEED_750kHz	STM_SPI_CR1_BR_PCLK_64
+#define AO_SPI_SPEED_375kHz	STM_SPI_CR1_BR_PCLK_128
+#define AO_SPI_SPEED_187500Hz	STM_SPI_CR1_BR_PCLK_256
 
-#define AO_SPI_SPEED_FAST	AO_SPI_SPEED_8MHz
+#define AO_SPI_SPEED_FAST	AO_SPI_SPEED_24MHz
 
 /* Companion bus wants something no faster than 200kHz */
 
-#define AO_SPI_SPEED_200kHz	AO_SPI_SPEED_125kHz
+#define AO_SPI_SPEED_200kHz	AO_SPI_SPEED_187500Hz
 
 #define AO_SPI_CONFIG_1		0x00
 #define AO_SPI_1_CONFIG_PA5_PA6_PA7	AO_SPI_CONFIG_1
@@ -82,7 +83,57 @@ void
 ao_spi_send_fixed(uint8_t value, uint16_t len, uint8_t spi_index);
 
 void
-ao_spi_send_sync(void *block, uint16_t len, uint8_t spi_index);
+ao_spi_send_sync(const void *block, uint16_t len, uint8_t spi_index);
+
+void
+ao_spi_start_bytes(uint8_t spi_index);
+
+void
+ao_spi_stop_bytes(uint8_t spi_index);
+
+static inline void
+ao_spi_send_byte(uint8_t byte, uint8_t spi_index)
+{
+	struct stm_spi	*stm_spi;
+
+	switch (AO_SPI_INDEX(spi_index)) {
+	case 0:
+		stm_spi = &stm_spi1;
+		break;
+	case 1:
+		stm_spi = &stm_spi2;
+		break;
+	}
+
+	while (!(stm_spi->sr & (1 << STM_SPI_SR_TXE)))
+		;
+	stm_spi->dr = byte;
+	while (!(stm_spi->sr & (1 << STM_SPI_SR_RXNE)))
+		;
+	(void) stm_spi->dr;
+}
+
+static inline uint8_t
+ao_spi_recv_byte(uint8_t spi_index)
+{
+	struct stm_spi	*stm_spi;
+
+	switch (AO_SPI_INDEX(spi_index)) {
+	case 0:
+		stm_spi = &stm_spi1;
+		break;
+	case 1:
+		stm_spi = &stm_spi2;
+		break;
+	}
+
+	while (!(stm_spi->sr & (1 << STM_SPI_SR_TXE)))
+		;
+	stm_spi->dr = 0xff;
+	while (!(stm_spi->sr & (1 << STM_SPI_SR_RXNE)))
+		;
+	return stm_spi->dr;
+}
 
 void
 ao_spi_recv(void *block, uint16_t len, uint8_t spi_index);
@@ -120,10 +171,12 @@ ao_spi_try_get_mask(struct stm_gpio *reg, uint16_t mask, uint8_t bus, uint32_t s
 #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)
 
+#if AO_POWER_MANAGEMENT
 extern struct ao_power	ao_power_gpioa;
 extern struct ao_power	ao_power_gpiob;
 extern struct ao_power	ao_power_gpioc;
 extern struct ao_power	ao_power_gpiof;
+#endif
 
 static inline void ao_enable_port(struct stm_gpio *port)
 {
@@ -259,11 +312,43 @@ void
 ao_i2c_init(void);
 
 /* ao_serial_stm.c */
+
+#if USE_SERIAL_1_FLOW && USE_SERIAL_1_SW_FLOW || USE_SERIAL_2_FLOW && USE_SERIAL_2_SW_FLOW
+#define HAS_SERIAL_SW_FLOW	1
+#else
+#define HAS_SERIAL_SW_FLOW	0
+#endif
+
+#if USE_SERIAL_2_FLOW && !USE_SERIAL_2_SW_FLOW
+#define USE_SERIAL_2_HW_FLOW	1
+#endif
+
+#if USE_SERIAL_1_FLOW && !USE_SERIAL_1_SW_FLOW
+#define USE_SERIAL_1_HW_FLOW	1
+#endif
+
+#if USE_SERIAL_1_HW_FLOW || USE_SERIAL_2_HW_FLOW
+#define HAS_SERIAL_HW_FLOW	1
+#else
+#define HAS_SERIAL_HW_FLOW	0
+#endif
+
 struct ao_stm_usart {
 	struct ao_fifo		rx_fifo;
 	struct ao_fifo		tx_fifo;
 	struct stm_usart	*reg;
-	uint8_t			tx_started;
+	uint8_t			tx_running;
+	uint8_t			draining;
+#if HAS_SERIAL_SW_FLOW
+	/* RTS - 0 if we have FIFO space, 1 if not
+	 * CTS - 0 if we can send, 0 if not
+	 */
+	struct stm_gpio		*gpio_rts;
+	struct stm_gpio		*gpio_cts;
+	uint8_t			pin_rts;
+	uint8_t			pin_cts;
+	uint8_t			rts;
+#endif
 };
 
 #if HAS_SERIAL_1
@@ -304,7 +389,7 @@ ao_arch_memory_barrier() {
 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;
 
@@ -405,14 +490,17 @@ static inline void ao_arch_start_scheduler(void) {
 /* ao_usb_stm.c */
 
 #if AO_USB_DIRECTIO
-uint16_t *
-ao_usb_alloc(void);
+uint8_t
+ao_usb_alloc(uint16_t *buffers[2]);
 
-void
-ao_usb_free(uint16_t *buffer);
+uint8_t
+ao_usb_alloc2(uint16_t *buffers[2]);
 
-void
-ao_usb_write(uint16_t *buffer, uint16_t len);
+uint8_t
+ao_usb_write(uint16_t len);
+
+uint8_t
+ao_usb_write2(uint16_t len);
 #endif /* AO_USB_DIRECTIO */
 
 #endif /* _AO_ARCH_FUNCS_H_ */