Ngoc Trong Nghia NGUYEN / DWM_API

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dwm_uart.h@0:bb732ce5e423, 2019-03-25 (annotated)

Committer:
nguyentony
Date:
Mon Mar 25 16:32:43 2019 +0000
Revision:
0:bb732ce5e423
Child:
1:c13dab1b7b93
simple program to work with DWM1001

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nguyentony 0:bb732ce5e423 1 #ifndef _DWM_UART_H_
nguyentony 0:bb732ce5e423 2 #define _DWM_UART_H_
nguyentony 0:bb732ce5e423 3 #include "mbed.h"
nguyentony 0:bb732ce5e423 4
nguyentony 0:bb732ce5e423 5 #define HAL_UART_MAX_LENGTH 255
nguyentony 0:bb732ce5e423 6 #define DWM_WRITE_TIMEOUT 600 //us
nguyentony 0:bb732ce5e423 7 #define DWM_READ_TIMEOUT 3 //ms
nguyentony 0:bb732ce5e423 8
nguyentony 0:bb732ce5e423 9 /**
nguyentony 0:bb732ce5e423 10 * @brief DWM Error codes, returned from DWM1001 module
nguyentony 0:bb732ce5e423 11 */
nguyentony 0:bb732ce5e423 12 #define DWM_OK (0)
nguyentony 0:bb732ce5e423 13 #define DWM_ERR_INTERNAL (-1)
nguyentony 0:bb732ce5e423 14 #define DWM_ERR_BUSY (-2)
nguyentony 0:bb732ce5e423 15 #define DWM_ERR_INVAL_ADDR (-3)
nguyentony 0:bb732ce5e423 16 #define DWM_ERR_INVAL_PARAM (-4)
nguyentony 0:bb732ce5e423 17 #define DWM_ERR_OVERRUN (-5)
nguyentony 0:bb732ce5e423 18 #define DWM_ERR_I2C_ANACK (-10)
nguyentony 0:bb732ce5e423 19 #define DWM_ERR_I2C_DNACK (-11)
nguyentony 0:bb732ce5e423 20
nguyentony 0:bb732ce5e423 21 /**
nguyentony 0:bb732ce5e423 22 * @brief Return value Error codes, returned from DWM API functions
nguyentony 0:bb732ce5e423 23 */
nguyentony 0:bb732ce5e423 24 #define RV_OK 0 /* ret value OK */
nguyentony 0:bb732ce5e423 25 #define RV_ERR -1
nguyentony 0:bb732ce5e423 26 #define RV_TIME -2 /* ret value ERROR*/
nguyentony 0:bb732ce5e423 27
nguyentony 0:bb732ce5e423 28 typedef struct {
nguyentony 0:bb732ce5e423 29 int32_t x;
nguyentony 0:bb732ce5e423 30 int32_t y;
nguyentony 0:bb732ce5e423 31 int32_t z;
nguyentony 0:bb732ce5e423 32 uint8_t qf;
nguyentony 0:bb732ce5e423 33 } dwm_pos;
nguyentony 0:bb732ce5e423 34
nguyentony 0:bb732ce5e423 35
nguyentony 0:bb732ce5e423 36 class dwm
nguyentony 0:bb732ce5e423 37 {
nguyentony 0:bb732ce5e423 38 public:
nguyentony 0:bb732ce5e423 39 dwm(PinName tx_pin, PinName rx_pin, int baudrate);
nguyentony 0:bb732ce5e423 40 dwm_pos node_pos;
nguyentony 0:bb732ce5e423 41 /*====================================================
nguyentony 0:bb732ce5e423 42 * API
nguyentony 0:bb732ce5e423 43 * ===================================================
nguyentony 0:bb732ce5e423 44 */
nguyentony 0:bb732ce5e423 45
nguyentony 0:bb732ce5e423 46 /*
nguyentony 0:bb732ce5e423 47 * @brief: la commande dans l'exemple du doc, pour tester
nguyentony 0:bb732ce5e423 48 * @param: non
nguyentony 0:bb732ce5e423 49 * @output: 0 - reussi
nguyentony 0:bb732ce5e423 50 * 1 - echec
nguyentony 0:bb732ce5e423 51 */
nguyentony 0:bb732ce5e423 52 int dwm_gpio_cfg_output();
nguyentony 0:bb732ce5e423 53 /*
nguyentony 0:bb732ce5e423 54 * @brief: recuperer la position x, y, z, qui seront stockes dans pos
nguyentony 0:bb732ce5e423 55 * @param: la struc dwm_pos
nguyentony 0:bb732ce5e423 56 * @output: 0 - reussi
nguyentony 0:bb732ce5e423 57 * 1 - echec
nguyentony 0:bb732ce5e423 58 */
nguyentony 0:bb732ce5e423 59 int dwm_pos_get();
nguyentony 0:bb732ce5e423 60 //======================================
nguyentony 0:bb732ce5e423 61 // PRIVATE
nguyentony 0:bb732ce5e423 62 //=====================================
nguyentony 0:bb732ce5e423 63 private:
nguyentony 0:bb732ce5e423 64 Serial dwm_uart;
nguyentony 0:bb732ce5e423 65
nguyentony 0:bb732ce5e423 66 //vider le buffer rx de nucleo
nguyentony 0:bb732ce5e423 67 void flushSerialBuffer();
nguyentony 0:bb732ce5e423 68 /*
nguyentony 0:bb732ce5e423 69 * @brief: envoyer la commande
nguyentony 0:bb732ce5e423 70 * @param: *tx_buffer - le tableau pour la commande
nguyentony 0:bb732ce5e423 71 len - la longeur du commande
nguyentony 0:bb732ce5e423 72 * @output: 0 - reussi
nguyentony 0:bb732ce5e423 73 * -1 - echec
nguyentony 0:bb732ce5e423 74 */
nguyentony 0:bb732ce5e423 75 int uart_write(uint8_t* tx_buffer, uint8_t len);
nguyentony 0:bb732ce5e423 76 /*
nguyentony 0:bb732ce5e423 77 * @brief: recevoir la commande
nguyentony 0:bb732ce5e423 78 * @param: *rx_buffer - la reponse est stocke dans rx_buffer
nguyentony 0:bb732ce5e423 79 * @output: la longeur de la reponse
nguyentony 0:bb732ce5e423 80 * -1 - echec
nguyentony 0:bb732ce5e423 81 */
nguyentony 0:bb732ce5e423 82 int uart_read(uint8_t* rx_buffer, int len_prevu);
nguyentony 0:bb732ce5e423 83 };
nguyentony 0:bb732ce5e423 84 #endif //_DWM_UART_H_