2 * Copyright (C) 2012-2013, 2015 Czech Technical University in Prague
4 * Created on: 28.2.2013
9 * This document contains proprietary information belonging to Czech
10 * Technical University in Prague. Passing on and copying of this
11 * document, and communication of its contents is not permitted
12 * without prior written authorization.
17 * Command for processing data from SPI and
18 * lowlevel command for sending data on SPI
28 #include "cmdproc_utils.h"
30 #include <_isfuncdcl.h>
31 #include "spi_resp_transl.h"
34 * @brief Translate SPI response according the command and peripheral type
36 * @param[in] cmd_io Pointer to IO stack
37 * @param[in] des Pointer to command descriptor
38 * @param[in] param Parameters of command
39 * @return 0 when OK or error code
41 int cmd_do_spi_translate(cmd_io_t *cmd_io, const struct cmd_des *des, char *param[])
45 char peripheralName[32];
48 if (sscanf(param[1], "%31s ", peripheralName) != 1)
49 return -CMDERR_BADPAR;
51 const spitr_port_cmds_t *cmds = spitr_get_cmds_by_port_name(peripheralName);
52 if (cmds == NULL) return -CMDERR_BADREG;
55 if (param[2] != NULL) { // More parameters expected
56 if (sscanf(param[2], "%x %x %1s", &command, &response, &spareParams) != 2)
57 return -CMDERR_BADPAR;
59 const spitr_cmd_desc_t *cmd_desc = get_spi_cmd_desc(cmds, command);
61 return -CMDERR_BADCMD;
63 spitr_print_resp(cmd_desc, response);
65 return cmd_opchar_replong(cmd_io, param, 0, 0, 10);
68 return -CMDERR_BADPAR;
72 /* SPI Master testing command */
74 uint8_t spi_test_buf_tx[TEST_BUF];
75 uint8_t spi_test_buf_rx[TEST_BUF];
77 int spimst_print_rx(int status, uint8_t *buf)
82 rpp_sci_printf("spirx failed: %d\n", status);
86 rpp_sci_printf("spirx:(");
87 for (i = 0; i < status; i++) {
88 rpp_sci_printf("%#x", buf[i]);
92 rpp_sci_printf(")\n");
99 * @brief Send SPI command on SPI and receive response
101 * @param[in] cmd_io Pointer to IO stack
102 * @param[in] des Pointer to command descriptor
103 * @param[in] param Parameters of command
104 * @return 0 when OK or error code
106 int cmd_do_spimst(cmd_io_t *cmd_io, const struct cmd_des *des, char *param[])
114 int values[MAX_PARAM_VALUES_NUM];
117 if (sscanf(p, "%d", &i) != 1)
118 return -CMDERR_BADPAR;
119 dev = (enum spi_device)i;
120 if (dev >= _SPIDEV_COUNT)
121 return -CMDERR_BADPAR;
122 token = strtok(p, " ");
123 token = strtok(NULL, " ");
125 while (i < MAX_PARAM_VALUES_NUM && token != NULL) {
126 if (sscanf(token, "%x", &values[i]) == EOF)
128 token = strtok(NULL, " ");
129 spi_test_buf_tx[i] = (uint8_t)values[i];
135 ret = spi_transfer(dev, rq_len, spi_test_buf_tx, spi_test_buf_rx);
136 spimst_print_rx(ret, spi_test_buf_rx);
141 /** Command descriptor for SPI response translation */
142 cmd_des_t const cmd_des_spi_translate = {
143 0, CDESM_OPCHR|CDESM_RW,
144 "spitr*","Translate response from an SPI peripheral",
145 "### Command syntax ###\n"
147 " spitr<NAME> <CMD> <RESP>\n"
150 "- `<NAME>` is a string specifying the name of the peripheral (one of DINSPI, LOUT, DAC12, DAC34, HBR, FRAY1 and FRAY2)\n"
151 "- `<CMD>` is a hexadecimal number in range 0 - FFFFFFFF\n"
152 "- `<RESP>` is a hexadecimal number in range 0 - FFFFFFFF\n"
154 "### Description ###\n"
156 "This command translates a response from SPI from many different\n"
157 "peripherals into a human readable form. The SPI response is in the\n"
158 "form of a hexadecimal number, which encodes the information. This\n"
159 "commands takes this response, the command which produced this\n"
160 "response, the name of the peripheral and translates the response into\n"
161 "the attribute-value table.\n"
164 " --> portvalDINSPI 7F 00 00\n"
165 " portvalDINSPI=AAC03F\n"
166 " --> spitrDINSPI 7F0000 3FC0AA\n"
167 " Thermal flag : 0\n"
193 "Translates response 0x3FC0AA returned by command 0x7F0000 into a human\n"
195 "Please notice LSB->MSB conversion of the portval result. The necessity\n"
196 "of the conversion depends on the controller of the examined port.\n",
197 CMD_HANDLER(cmd_do_spi_translate), (void *)&cmd_list_spi
200 /** Command descriptor for SPI trasfer */
201 cmd_des_t const cmd_des_spimst = {
203 "spimst*", "Request SPI master communication",
204 "### Command syntax ###\n"
206 " spimst<SPI> <ADDR> <DATA>\n"
209 "- `<SPI>` is a number in range 0 - 4\n"
210 "- `<ADDR>` is a number in range 0 - 2\n"
211 "- `<DATA>` is a sequence of hexadecimal numbers, separated by spaces, e.g. 12 AA CD\n"
213 "### Description ###\n"
215 "The command sends given data to the SPI peripheral and prints the\n"
216 "response. The response contains the address and the received data in\n"
221 " --> spimst1 0 7F 00 00\n"
222 " spirx:0x0(0x3f,0xc0,0xff)\n"
224 "Sends reset command (0x7F0000) to the DIN peripheral.\n",
225 CMD_HANDLER(cmd_do_spimst), (void *)&cmd_list_spi
228 /** List of commands for SPI, defined as external */
229 cmd_des_t const *cmd_list_spi[] = {
230 &cmd_des_spi_translate,