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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | mjames | 1 | /* |
| 2 | * serial.h |
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| 3 | * |
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| 4 | * Created on: 4 Jan 2016 |
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| 5 | * Author: Mike |
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| 6 | */ |
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| 7 | |||
| 8 | #ifndef INC_SERIAL_H_ |
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| 9 | #define INC_SERIAL_H_ |
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| 10 | |||
| 11 | #include "main.h" |
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| 12 | |||
| 13 | typedef struct { |
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| 5 | mjames | 14 | UART_HandleTypeDef * Handle; |
| 2 | mjames | 15 | |
| 16 | volatile uint8_t tx_usart_buff[TX_USART_BUFF_SIZ]; |
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| 17 | volatile unsigned int tx_usart_in_Ptr; |
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| 18 | volatile unsigned int tx_usart_out_Ptr; |
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| 19 | volatile uint8_t tx_usart_running; |
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| 20 | volatile uint16_t tx_usart_count; |
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| 21 | |||
| 22 | volatile uint8_t rx_usart_buff[RX_USART_BUFF_SIZ]; |
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| 23 | volatile unsigned int rx_usart_in_Ptr; |
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| 24 | volatile unsigned int rx_usart_out_Ptr; |
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| 25 | volatile uint8_t rx_usart_buffer_full; |
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| 26 | } usart_ctl; |
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| 27 | |||
| 28 | #if defined SERIAL_UART1 |
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| 29 | extern usart_ctl uc1; |
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| 30 | #endif |
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| 31 | #if defined SERIAL_UART2 |
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| 32 | extern usart_ctl uc2; |
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| 33 | #endif |
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| 34 | #if defined SERIAL_UART3 |
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| 35 | extern usart_ctl uc3; |
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| 36 | #endif |
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| 7 | mjames | 37 | #if defined SERIAL_UART4 |
| 38 | extern usart_ctl uc4; |
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| 39 | #endif |
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| 40 | #if defined SERIAL_UART5 |
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| 41 | extern usart_ctl uc5; |
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| 42 | #endif |
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| 2 | mjames | 43 | |
| 44 | |||
| 45 | |||
| 46 | |||
| 47 | |||
| 7 | mjames | 48 | ///@brief returns the number of characters in the recieve buffer |
| 2 | mjames | 49 | extern uint16_t SerialCharsReceived(usart_ctl * instance); |
| 7 | mjames | 50 | ///@brief Get the amount of free space in the transmit buffer. |
| 51 | extern uint16_t SerialTransmitSpace(usart_ctl * instance); |
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| 2 | mjames | 52 | |
| 7 | mjames | 53 | |
| 3 | mjames | 54 | extern uint8_t PollSerial(usart_ctl * instance); |
| 2 | mjames | 55 | extern uint8_t GetCharSerial(usart_ctl * instance); |
| 3 | mjames | 56 | extern void EnableSerialRxInterrupt(usart_ctl * instance); |
| 2 | mjames | 57 | |
| 58 | extern void UART_IRQHandler(usart_ctl * instance); |
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| 59 | |||
| 60 | extern void PutCharSerial(usart_ctl * instance,uint8_t c); |
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| 61 | extern void ResetTxBuffer(usart_ctl * instance); |
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| 62 | extern void ResetRxBuffer(usart_ctl * instance); |
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| 63 | extern void FlushSerial(usart_ctl * instance); |
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| 64 | extern uint8_t TxBufferEmpty(usart_ctl * instance); |
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| 4 | mjames | 65 | ///@brief wait until the USART buffer is empty and all characters are sent |
| 66 | extern void TxWaitEmpty(usart_ctl *instance); |
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| 2 | mjames | 67 | |
| 68 | |||
| 7 | mjames | 69 | |
| 4 | mjames | 70 | extern void init_usart_ctl(usart_ctl * instance, |
| 5 | mjames | 71 | UART_HandleTypeDef * usart); |
| 2 | mjames | 72 | |
| 5 | mjames | 73 | extern void setBaud(usart_ctl * instance, uint32_t baud); |
| 4 | mjames | 74 | |
| 7 | mjames | 75 | extern void sendString(usart_ctl *ctl, char *string, int length); |
| 2 | mjames | 76 | #endif /* INC_SERIAL_H_ */ |