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refactor watch UART for gossamer

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This commit is contained in:
joeycastillo
2024-10-08 17:23:08 -04:00
parent b7fbc7420b
commit cdcb612432
5 changed files with 54 additions and 94 deletions
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2
watch-library/shared/watch/watch.h
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@@ -69,7 +69,7 @@ typedef void (*watch_cb_t)(void);
#include "watch_gpio.h"
// #include "watch_i2c.h"
// #include "watch_spi.h"
// #include "watch_uart.h"
#include "watch_uart.h"
#include "watch_storage.h"
#include "watch_deepsleep.h"

18
watch-library/shared/watch/watch_uart.h
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@@ -25,6 +25,7 @@
#define _WATCH_UART_H_INCLUDED
////< @file watch_uart.h
#include <stddef.h>
#include "watch.h"
/** @addtogroup uart UART
@@ -32,25 +33,26 @@
**/
/// @{
/** @brief Initializes the debug UART.
/** @brief Initializes the UART.
* @param tx_pin The pin the watch will use to transmit, or 0 for a receive-only UART.
* If specified, must be either A2 or A4.
* If specified, must be either HAL_GPIO_A2_pin() or HAL_GPIO_A4_pin().
* @param rx_pin The pin the watch will use to receive, or 0 for a transmit-only UART.
* If specified, must be A1, A2, A3 or A4 (pin A0 cannot receive UART data).
* @param baud The baud rate for the UART. A typical value is 19200.
*/
void watch_enable_uart(const uint8_t tx_pin, const uint8_t rx_pin, uint32_t baud);
void watch_enable_uart(const uint16_t tx_pin, const uint16_t rx_pin, uint32_t baud);
/** @brief Transmits a string of bytes on the UART's TX pin.
* @param s A null-terminated string containing the bytes you wish to transmit.
*/
void watch_uart_puts(char *s);
void watch_uart_puts(uint8_t *s);
/** @brief Receives a single byte from the UART's RX pin.
* @return the received byte.
* @note This method will block until a byte is received!
/** @brief Returns a string of bytes received on the UART's RX pin.
* @param data A pointer to a buffer where the received bytes will be stored.
* @param max_length The maximum number of bytes to receive.
* @return The number of bytes actually received into the buffer.
*/
char watch_uart_getc(void);
size_t watch_uart_gets(uint8_t *data, size_t max_length);
/// @}
#endif