same70 xplained uart via edbg work with board_test

hw/bsp/same70_xplained/board.mk

@@ -9,7 +9,7 @@ CFLAGS += \
   -DCFG_TUSB_MCU=OPT_MCU_NONE
 
 # suppress following warnings from mcu driver
-CFLAGS += -Wno-error=undef
+CFLAGS += -Wno-error=unused-parameter -Wno-error=cast-align
 
 ASF_DIR = hw/mcu/microchip/same70
 
@@ -22,7 +22,10 @@ SRC_C += \
 	$(ASF_DIR)/hpl/core/hpl_init.c \
 	$(ASF_DIR)/hpl/usart/hpl_usart.c \
 	$(ASF_DIR)/hpl/pmc/hpl_pmc.c \
-	$(ASF_DIR)/hal/src/hal_atomic.c
+	$(ASF_DIR)/hal/src/hal_usart_async.c \
+	$(ASF_DIR)/hal/src/hal_io.c \
+	$(ASF_DIR)/hal/src/hal_atomic.c \
+	$(ASF_DIR)/hal/utils/src/utils_ringbuffer.c
 
 INC += \
   $(TOP)/hw/bsp/$(BOARD) \

hw/bsp/same70_xplained/same70_xplained.c

@@ -27,9 +27,10 @@
 #include "bsp/board.h"
 
 #include "peripheral_clk_config.h"
-#include "hal/include/hal_init.h"
-#include "hal/include/hpl_usart_sync.h"
+#include "hpl/usart/hpl_usart_base.h"
 #include "hpl/pmc/hpl_pmc.h"
+#include "hal/include/hal_init.h"
+#include "hal/include/hal_usart_async.h"
 #include "hal/include/hal_gpio.h"
 
 
@@ -42,10 +43,17 @@
 #define BUTTON_PIN            GPIO(GPIO_PORTA, 11)
 #define BUTTON_STATE_ACTIVE   0
 
-#define UART_TX_PIN           GPIO(GPIO_PORTA, 28)
-#define UART_RX_PIN           GPIO(GPIO_PORTA, 27)
+#define UART_TX_PIN           GPIO(GPIO_PORTB, 4)
+#define UART_RX_PIN           GPIO(GPIO_PORTA, 21)
+
+static struct usart_async_descriptor edbg_com;
+static uint8_t edbg_com_buffer[64];
+static volatile bool uart_busy = false;
 
-struct _usart_sync_device _edbg_com;
+static void tx_cb_EDBG_COM(const struct usart_async_descriptor *const io_descr)
+{
+  uart_busy = false;
+}
 
 //------------- IMPLEMENTATION -------------//
 void board_init(void)
@@ -67,18 +75,16 @@ void board_init(void)
 	gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP);
 	gpio_set_pin_function(BUTTON_PIN, GPIO_PIN_FUNCTION_OFF);
 
-#if 0
 	// Uart via EDBG Com
-	_pmc_enable_periph_clock(ID_FLEXCOM7);
-	gpio_set_pin_function(UART_RX_PIN, MUX_PA27B_FLEXCOM7_RXD);
-	gpio_set_pin_function(UART_TX_PIN, MUX_PA28B_FLEXCOM7_TXD);
-
-	_usart_sync_init(&_edbg_com, FLEXCOM7);
-	_usart_sync_set_baud_rate(&_edbg_com, CFG_BOARD_UART_BAUDRATE);
-	_usart_sync_set_mode(&_edbg_com, USART_MODE_ASYNCHRONOUS);
-	_usart_sync_enable(&_edbg_com);
+	_pmc_enable_periph_clock(ID_USART1);
+	gpio_set_pin_function(UART_RX_PIN, MUX_PA21A_USART1_RXD1);
+	gpio_set_pin_function(UART_TX_PIN, MUX_PB4D_USART1_TXD1);
 
-#endif
+	usart_async_init(&edbg_com, USART1, edbg_com_buffer, sizeof(edbg_com_buffer), _usart_get_usart_async());
+	usart_async_set_baud_rate(&edbg_com, CFG_BOARD_UART_BAUDRATE);
+	usart_async_register_callback(&edbg_com, USART_ASYNC_TXC_CB, tx_cb_EDBG_COM);
+//	usart_async_register_callback(&EDBG_COM, USART_ASYNC_RXC_CB, rx_cb_EDBG_COM);
+	usart_async_enable(&edbg_com);
 
 #if CFG_TUSB_OS  == OPT_OS_NONE
   // 1ms tick timer (samd SystemCoreClock may not correct)
@@ -131,13 +137,11 @@ int board_uart_read(uint8_t* buf, int len)
 
 int board_uart_write(void const * buf, int len)
 {
-  (void) buf;
-//  uint8_t const * buf8 = (uint8_t const *) buf;
-//  for(int i=0; i<len; i++)
-//  {
-//    while ( !_usart_sync_is_ready_to_send(&_edbg_com) ) {}
-//    _usart_sync_write_byte(&_edbg_com, buf8[i]);
-//  }
+  // while until previous transfer is complete
+  while(uart_busy) {}
+  uart_busy = true;
+
+  io_write(&edbg_com.io, buf, len);
   return len;
 }
 

hw/bsp/samg55xplained/samg55xplained.c

@@ -45,7 +45,7 @@
 #define UART_TX_PIN           GPIO(GPIO_PORTA, 28)
 #define UART_RX_PIN           GPIO(GPIO_PORTA, 27)
 
-struct _usart_sync_device _edbg_com;
+struct _usart_sync_device edbg_com;
 
 //------------- IMPLEMENTATION -------------//
 void board_init(void)
@@ -72,10 +72,10 @@ void board_init(void)
 	gpio_set_pin_function(UART_RX_PIN, MUX_PA27B_FLEXCOM7_RXD);
 	gpio_set_pin_function(UART_TX_PIN, MUX_PA28B_FLEXCOM7_TXD);
 
-	_usart_sync_init(&_edbg_com, FLEXCOM7);
-	_usart_sync_set_baud_rate(&_edbg_com, CFG_BOARD_UART_BAUDRATE);
-	_usart_sync_set_mode(&_edbg_com, USART_MODE_ASYNCHRONOUS);
-	_usart_sync_enable(&_edbg_com);
+	_usart_sync_init(&edbg_com, FLEXCOM7);
+	_usart_sync_set_baud_rate(&edbg_com, CFG_BOARD_UART_BAUDRATE);
+	_usart_sync_set_mode(&edbg_com, USART_MODE_ASYNCHRONOUS);
+	_usart_sync_enable(&edbg_com);
 
 #if CFG_TUSB_OS  == OPT_OS_NONE
   // 1ms tick timer (samd SystemCoreClock may not correct)
@@ -129,8 +129,8 @@ int board_uart_write(void const * buf, int len)
   uint8_t const * buf8 = (uint8_t const *) buf;
   for(int i=0; i<len; i++)
   {
-    while ( !_usart_sync_is_ready_to_send(&_edbg_com) ) {}
-    _usart_sync_write_byte(&_edbg_com, buf8[i]);
+    while ( !_usart_sync_is_ready_to_send(&edbg_com) ) {}
+    _usart_sync_write_byte(&edbg_com, buf8[i]);
   }
   return len;
 }