amiro-lld / source / P9221R / v1 / alld_P9221R_v1.c @ 6ef38c23
History | View | Annotate | Download (4.402 KB)
| 1 |
/*
|
|---|---|
| 2 |
AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
|
| 3 |
Copyright (C) 2016..2019 Thomas Schöpping et al.
|
| 4 |
|
| 5 |
This program is free software: you can redistribute it and/or modify
|
| 6 |
it under the terms of the GNU Lesser General Public License as published by
|
| 7 |
the Free Software Foundation, either version 3 of the License, or
|
| 8 |
(at your option) any later version.
|
| 9 |
|
| 10 |
This program is distributed in the hope that it will be useful,
|
| 11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 13 |
GNU Lesser General Public License for more details.
|
| 14 |
|
| 15 |
You should have received a copy of the GNU Lesser General Public License
|
| 16 |
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
| 17 |
*/
|
| 18 |
|
| 19 |
/**
|
| 20 |
* @file alld_P9221R_v1.c
|
| 21 |
*
|
| 22 |
* @brief Power Monitor function implementations
|
| 23 |
*
|
| 24 |
* @addtogroup lld_power
|
| 25 |
* @{
|
| 26 |
*/
|
| 27 |
|
| 28 |
#include <alld_P9221R_v1.h> |
| 29 |
|
| 30 |
|
| 31 |
/******************************************************************************/
|
| 32 |
/* LOCAL DEFINITIONS */
|
| 33 |
/******************************************************************************/
|
| 34 |
|
| 35 |
/******************************************************************************/
|
| 36 |
/* EXPORTED VARIABLES */
|
| 37 |
/******************************************************************************/
|
| 38 |
|
| 39 |
/******************************************************************************/
|
| 40 |
/* LOCAL TYPES */
|
| 41 |
/******************************************************************************/
|
| 42 |
|
| 43 |
/******************************************************************************/
|
| 44 |
/* LOCAL VARIABLES */
|
| 45 |
/******************************************************************************/
|
| 46 |
|
| 47 |
/******************************************************************************/
|
| 48 |
/* LOCAL FUNCTIONS */
|
| 49 |
/******************************************************************************/
|
| 50 |
|
| 51 |
/******************************************************************************/
|
| 52 |
/* EXPORTED FUNCTIONS */
|
| 53 |
/******************************************************************************/
|
| 54 |
|
| 55 |
|
| 56 |
/**
|
| 57 |
* @brief Read the value of one or more of the registers.
|
| 58 |
* @param[in] i2cd i2c driver
|
| 59 |
* @param[in] PRd p9221r driver
|
| 60 |
* @param[in] addr register address
|
| 61 |
* @param[out] data register content
|
| 62 |
* @param[in] num number of subsequent registers to read
|
| 63 |
* @param[in] timeout timeout
|
| 64 |
* @return An indicator whether the call was successfull
|
| 65 |
*/
|
| 66 |
apalExitStatus_t p9221r_lld_read_register(const P9221RDriver* const p9221r, const p9221r_lld_register_t addr, uint16_t* const data, const uint8_t num, const apalTime_t timeout) |
| 67 |
{
|
| 68 |
apalDbgAssert(p9221r != NULL);
|
| 69 |
apalDbgAssert(p9221r->i2cd != NULL);
|
| 70 |
apalDbgAssert(data != NULL);
|
| 71 |
|
| 72 |
uint8_t buffer[num*2];
|
| 73 |
apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), (uint8_t*)&addr, 1, buffer, 2*num, timeout); |
| 74 |
for (uint8_t dataIdx = 0; dataIdx < num; dataIdx++) { |
| 75 |
data[dataIdx] = (buffer[2*dataIdx] << 8) | buffer[2*dataIdx+1]; |
| 76 |
} |
| 77 |
return status;
|
| 78 |
} |
| 79 |
|
| 80 |
/**
|
| 81 |
* @brief Write the value of one or more of the registers.
|
| 82 |
* @param[in] i2cd i2c driver
|
| 83 |
* @param[in] PRd p9221r driver
|
| 84 |
* @param[in] addr register address
|
| 85 |
* @param[in] data data to write
|
| 86 |
* @param[in] num number of subsequent registers to read
|
| 87 |
* @param[in] timeout timeout
|
| 88 |
* @return An indicator whether the call was successfull
|
| 89 |
*/
|
| 90 |
|
| 91 |
apalExitStatus_t p9221r_lld_write_register(const R9221RDriver* const p9221r, const p9221r_lld_register_t addr, const uint16_t* const data, const uint8_t num, const apalTime_t timeout) |
| 92 |
{
|
| 93 |
apalDbgAssert(p9221r != NULL);
|
| 94 |
apalDbgAssert(p9221r->i2cd != NULL);
|
| 95 |
apalDbgAssert(data != NULL);
|
| 96 |
|
| 97 |
uint8_t buffer[1+2*num]; |
| 98 |
buffer[0] = addr;
|
| 99 |
for (uint8_t dataIdx = 0; dataIdx < num; dataIdx++) { |
| 100 |
buffer[dataIdx*2+1] = data[dataIdx] >> 8; |
| 101 |
buffer[dataIdx*2+2] = data[dataIdx] & (0x00FFu); |
| 102 |
} |
| 103 |
return apalI2CMasterTransmit(p9221r->i2cd, (R9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), buffer, 1+2*num, NULL, 0, timeout); |
| 104 |
} |
| 105 |
|
| 106 |
|
| 107 |
|
| 108 |
|
| 109 |
|
| 110 |
|
| 111 |
|
| 112 |
|
| 113 |
|
| 114 |
|
| 115 |
|
| 116 |
|
| 117 |
|
| 118 |
|
| 119 |
|
| 120 |
|
| 121 |
|
| 122 |
|
| 123 |
|
| 124 |
|
| 125 |
|
| 126 |
|
| 127 |
|
| 128 |
|
| 129 |
|
| 130 |
|
| 131 |
|
| 132 |
|
| 133 |
|
| 134 |
|
| 135 |
|