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clean board uart read & write

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This commit is contained in:
hathach
2019-03-20 20:58:27 +07:00
parent da55610f43
commit 20fb416783
10 changed files with 83 additions and 43 deletions
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hw/bsp/board.h
+22 -9
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@@ -65,6 +65,8 @@
#include "metro_m4_express/board_metro_m4_express.h"
#elif defined BOARD_METRO_M0_EXPRESS
#include "metro_m0_express/board_metro_m0_express.h"
// ST STM32
#elif defined BOARD_STM32F407G_DISC1
#include "stm32f407g_disc1/board_stm32f407g_disc1.h"
#else
@@ -76,7 +78,7 @@
#define board_tick2ms(tck) ( ( ((uint64_t)(tck)) * 1000) / BOARD_TICKS_HZ )
/// Initialize on-board peripherals
// Initialize on-board peripherals
void board_init(void);
//--------------------------------------------------------------------+
@@ -104,16 +106,27 @@ static inline void board_led_off(void)
*/
uint32_t board_buttons(void);
/** Get a character input from UART
* \return ASCII code of the input character or zero if none.
*/
uint8_t board_uart_getchar(void);
//--------------------------------------------------------------------+
// UART
//--------------------------------------------------------------------+
/** Send a character to UART
* \param[in] c the character to be sent
*/
void board_uart_putchar(uint8_t c);
// Get characters from UART
int board_uart_read(uint8_t* buf, int len);
// Send characters to UART
int board_uart_write(void const * buf, int len);
static inline int8_t board_uart_getchar(void)
{
uint8_t c;
return board_uart_read(&c, 1) ? c : (-1);
}
static inline int board_uart_putchar(uint8_t c)
{
return board_uart_write(&c, 1);
}
#ifdef __cplusplus
}