Revision 247b3413 source/P9221R/v1/alld_P9221R_v1.c
source/P9221R/v1/alld_P9221R_v1.c | ||
---|---|---|
113 | 113 |
apalExitStatus_t p9221r_lld_read_x_alignment(const P9221RDriver* const p9221r, int8_t* const x_alignment, const apalTime_t timeout) |
114 | 114 |
{ |
115 | 115 |
uint8_t addr[2] = {(P9221R_LLD_REGISTER_ALIGNMENT_X & 0xFF00) >> 8, P9221R_LLD_REGISTER_ALIGNMENT_X & 0x00FF}; |
116 |
apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, x_alignment, 1, timeout); // TODO check if implicit cast is ok (uint)
|
|
116 |
apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, (uint8_t*)x_alignment, 2, timeout); // TODO check if implicit cast is ok (uint)
|
|
117 | 117 |
|
118 | 118 |
return status; |
119 | 119 |
} |
... | ... | |
129 | 129 |
apalExitStatus_t p9221r_lld_read_y_alignment(const P9221RDriver* const p9221r, int8_t* const y_alignment, const apalTime_t timeout) |
130 | 130 |
{ |
131 | 131 |
uint8_t addr[2] = {(P9221R_LLD_REGISTER_ALIGNMENT_Y & 0xFF00) >> 8, P9221R_LLD_REGISTER_ALIGNMENT_Y & 0x00FF}; |
132 |
apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, y_alignment, 1, timeout); // TODO check if implicit cast is ok (uint)
|
|
132 |
apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, (uint8_t*)y_alignment, 2, timeout); // TODO check if implicit cast is ok (uint)
|
|
133 | 133 |
|
134 | 134 |
return status; |
135 | 135 |
} |
... | ... | |
149 | 149 |
uint16_t value; |
150 | 150 |
|
151 | 151 |
apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, buffer, 2, timeout); |
152 |
value = ((buffer[1] << 8) & 0x0F) | buffer[0]; // 4MSB are in buffer[1] so we shift and mask, 8LSB are in buffer[0]
|
|
153 |
*voltage = (((float) value) * 6 * 2.1)/4095.0;
|
|
152 |
value = ((buffer[1] & 0x0F) << 8) | buffer[0]; // 4MSB are in buffer[1] so we shift and mask, 8LSB are in buffer[0]
|
|
153 |
*voltage = (((float) value) * 6 * 2.1f)/4095.0f;
|
|
154 | 154 |
|
155 | 155 |
return status; |
156 | 156 |
} |
... | ... | |
171 | 171 |
|
172 | 172 |
apalExitStatus_t status = apalI2CMasterTransmit(p9221r->i2cd, (P9221R_LLD_I2C_ADDR_FIXED | p9221r->addr), addr, 2, buffer, 2, timeout); |
173 | 173 |
value = (buffer[1] << 8) | buffer[0]; // 8MSB are in buffer[1] so we shift, 8LSB are in buffer[0] |
174 |
*current = (((float) value) * 2 * 2.1)/4095.0;
|
|
174 |
*current = (((float) value) * 2 * 2.1f)/4095.0f;
|
|
175 | 175 |
|
176 | 176 |
return status; |
177 | 177 |
} |
Also available in: Unified diff