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generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 01:19:19 +0000
span> == STM_UART_MGMT) { return HAL_UART_Transmit(&huart1, &ch, 1, 0x1); } return HAL_ERROR; } /* receive a single character */ HAL_StatusTypeDef uart_recv_char(uint8_t *cp) { return HAL_UART_Receive(&huart2, cp, 1, HAL_MAX_DELAY); } /* receive a single character */ HAL_StatusTypeDef uart_recv_char2(enum stm_uart_port port, uint8_t *cp, uint32_t timeout) { if (port == STM_UART_USER) { return HAL_UART_Receive(&huart2, cp, 1, timeout); } else if (port == STM_UART_MGMT) { return HAL_UART_Receive(&huart1, cp, 1, timeout); } return HAL_ERROR; } /* send a string */ HAL_StatusTypeDef uart_send_string(char *s) { return HAL_UART_Transmit(&huart2, (uint8_t *) s, strlen(s), 0x1); } /* Generalized routine to send binary, decimal, and hex integers. * This code is adapted from Chris Giese's printf.c */ HAL_StatusTypeDef uart_send_number(uint32_t num, uint8_t digits, uint8_t radix) { #define BUFSIZE 32 char buf[BUFSIZE]; char *where = buf + BUFSIZE; /* initialize buf so we can add leading 0 by adjusting the pointer */ memset(buf, '0', BUFSIZE); /* build the string backwards, starting with the least significant digit */ do { uint32_t temp; temp = num % radix; where--; if (temp < 10) *where = temp + '0'; else *where = temp - 10 + 'A'; num = num / radix; } while (num != 0); if (where > buf + BUFSIZE - digits) /* pad with leading 0 */ where = buf + BUFSIZE - digits; else /* number is larger than the specified number of digits */ digits = buf + BUFSIZE - where; return HAL_UART_Transmit(&huart2, (uint8_t *) where, digits, 0x1); }