diff options
| author | hathach <[email protected]> | 2019-11-26 18:21:46 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2019-11-26 18:21:46 +0700 |
| commit | 4c9c13c767bb41b3cb3cb36810f5898fb966caae (patch) | |
| tree | 1251d88baa20216ebbe1e7d4fe44408289c02e20 | |
| parent | 387384c0d9b8a98fb4baab2bda16372876b86d6f (diff) | |
add uart sync support
| -rw-r--r-- | hw/bsp/samg55xplained/board.mk | 2 | ||||
| -rw-r--r-- | hw/bsp/samg55xplained/samg55xplained.c | 30 |
2 files changed, 30 insertions, 2 deletions
diff --git a/hw/bsp/samg55xplained/board.mk b/hw/bsp/samg55xplained/board.mk index 8d4d11df3..1fd137465 100644 --- a/hw/bsp/samg55xplained/board.mk +++ b/hw/bsp/samg55xplained/board.mk @@ -20,10 +20,12 @@ SRC_C += \ $(ASF_DIR)/samg55/gcc/gcc/startup_samg55j19.c \ $(ASF_DIR)/samg55/gcc/system_samg55j19.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 INC += \ + $(TOP)/hw/bsp/$(BOARD) \ $(TOP)/$(ASF_DIR) \ $(TOP)/$(ASF_DIR)/config \ $(TOP)/$(ASF_DIR)/samg55/include \ diff --git a/hw/bsp/samg55xplained/samg55xplained.c b/hw/bsp/samg55xplained/samg55xplained.c index 8377424fe..b66b906a0 100644 --- a/hw/bsp/samg55xplained/samg55xplained.c +++ b/hw/bsp/samg55xplained/samg55xplained.c @@ -26,6 +26,7 @@ #include "sam.h" #include "peripheral_clk_config.h" #include "hal/include/hal_init.h" +#include "hal/include/hpl_usart_sync.h" #include "hpl/pmc/hpl_pmc.h" #include "hal/include/hal_gpio.h" @@ -41,6 +42,15 @@ #define BUTTON_STATE_ACTIVE 0 +#define UART_TX_PIN GPIO(GPIO_PORTA, 28) +#define UART_RX_PIN GPIO(GPIO_PORTA, 27) + +//struct usart_async_descriptor _edbg_com; +//static uint8_t _edbg_com_buf[64]; + +struct _usart_sync_device _edbg_com; + + //------------- IMPLEMENTATION -------------// void board_init(void) { @@ -61,6 +71,17 @@ void board_init(void) gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP); gpio_set_pin_function(BUTTON_PIN, GPIO_PIN_FUNCTION_OFF); + // 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, _edbg_com_buf, sizeof(_edbg_com_buf), _usart_get_usart_async()); + _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) SysTick_Config(CONF_CPU_FREQUENCY / 1000); @@ -100,8 +121,13 @@ int board_uart_read(uint8_t* buf, int len) int board_uart_write(void const * buf, int len) { - (void) buf; (void) len; - return 0; + 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]); + } + return len; } #if CFG_TUSB_OS == OPT_OS_NONE |