-/*
- * din.c
+/* Copyright (C) 2012-2013 Czech Technical University in Prague
*
- * Created on: 17.12.2012
- * Author: Michal Horn
+ * Authors:
+ * - Michal Horn <hornmich@fel.cvut.cz>
+ * - Martin Koubek <martin.koubek@porsche-engineering.com>
*
- * Refactored by: Martin Koubek
- * martin.koubek@porsche-engineering.com
- * 18.9.2013
+ * This document contains proprietary information belonging to Czech
+ * Technical University in Prague. Passing on and copying of this
+ * document, and communication of its contents is not permitted
+ * without prior written authorization.
*
- * This file is written for 33972 Multiple Switch
- * http://www.freescale.com/files/analog/doc/data_sheet/MC33972.pdf
+ * File : din.c
+
+ * Abstract:
+ * This file is written for 33972 Multiple Switch
+ * http://www.freescale.com/files/analog/doc/data_sheet/MC33972.pdf
*
- * This file contains functions to control DIN
- * Voltage on each pin can be set
- * switch to ground or to battery on programable pins can be set
- * interrupts on each pins can be disabled and enabled
+ * This file contains functions to control DIN
+ * Voltage on each pin can be set
+ * switch to ground or to battery on programable pins can be set
+ * interrupts on each pins can be disabled and enabled
*/
/** Store commands in shadow registers */
static uint16_t shadow_reg_list[DIN_NUM_SPI_CMD];
-
-const static uint32_t dsc_pin_map[8U] = {
- PIN_DSC_DIN8,
- PIN_DSC_DIN9,
- PIN_DSC_DIN10,
- PIN_DSC_DIN11,
- PIN_DSC_DIN12,
- PIN_DSC_DIN13,
- PIN_DSC_DIN14,
- PIN_DSC_DIN15
-};
-
-
/******************************************************************************
* Function Prototypes
******************************************************************************/
/* ---------------- */
uint16_t din_set_reg(
- enum SpiCmdTable spi_cmd_index, uint16_t clear_mask, uint16_t xor_mask)
+ enum SpiCmdTable spi_cmd_index, uint16_t clear_mask, uint16_t xor_mask)
{
- if (spi_cmd_index >= DIN_NUM_SPI_CMD) {
+ if (spi_cmd_index >= DIN_NUM_SPI_CMD)
return 0;
- }
shadow_reg_list[spi_cmd_index] =
- shadow_reg_list[spi_cmd_index] & ~clear_mask ^ xor_mask;
+ shadow_reg_list[spi_cmd_index] & ~clear_mask ^ xor_mask;
uint32_t din_spi_cmd = enum2cmd(spi_cmd_index) | shadow_reg_list[spi_cmd_index];
int8_t drv_din_ref(uint16_t ref_a, uint16_t ref_b)
{
- uint16_t cmd;
+ uint16_t cmd;
- // Get descriptor
- uint32_t commands[2];
- port_desc_t* desc = hal_port_get_dsc(PORT_NAME_DACDREF, -1);
+ // Get descriptor
+ uint32_t commands[2];
+ dio_port_desc_t *desc = dio_port_get_dsc(DIO_PORT_NAME_DACDREF, -1);
- // Send command for DAC A
- cmd = DACA_INIT_VAL | (ref_a & 0x0FFF);
+ // Send command for DAC A
+ cmd = DACA_INIT_VAL | (ref_a & 0x0FFF);
- commands[0] = (cmd & 0xFF00) >> 8;
- commands[1] = (cmd & 0xFF);
- desc->port_setfnc_ptr(desc->config, desc->numValues, commands);
+ commands[0] = (cmd & 0xFF00) >> 8;
+ commands[1] = (cmd & 0xFF);
+ desc->port_setfnc_ptr(desc->config, desc->numValues, commands);
- // Send command for DAC B
- cmd = DACB_INIT_VAL | (ref_b & 0x0FFF);
+ // Send command for DAC B
+ cmd = DACB_INIT_VAL | (ref_b & 0x0FFF);
- commands[0] = (cmd & 0xFF00) >> 8;
- commands[1] = (cmd & 0xFF);
- desc->port_setfnc_ptr(desc->config, desc->numValues, commands);
+ commands[0] = (cmd & 0xFF00) >> 8;
+ commands[1] = (cmd & 0xFF);
+ desc->port_setfnc_ptr(desc->config, desc->numValues, commands);
- // Fixme: check SPI return value.
- return SUCCESS;
+ // Fixme: check SPI return value.
+ return SUCCESS;
}
-int8_t drv_din_get_varthr(uint8_t pin) {
+int8_t drv_din_get_varthr(uint8_t pin)
+{
+
+ // Check range
+ if ((pin < 8) || (pin > 15))
+ return FAILURE;
- // Check range
- if((pin < 8) || (pin > 15)) {
- return FAILURE;
- }
+ dio_port_desc_t* port = dio_port_get_dsc(DIO_PORT_NAME_DINMCU, -1);
+ if (pin-8 >= port->numValues)
+ return FAILURE;
- return hal_gpio_pin_get_value(dsc_pin_map[pin - 8]);
+ return dio_gpio_pin_get_value(port->config[pin - 8]);
}
uint16_t din_get_val_word()
{
- // How it should be.
- //uint16_t sp = ((din_spi_resp >> 14) & 0x00FF);
- //uint16_t sg = ((din_spi_resp << 8 ) & 0xFF00);
-
- // How it actually is.
- // Ignore datasheet, this is the actual response from the SPI driver:
- // [xxxx xxxx][SG7-SG0][SP1 SP0 yy yyyy][zz SP7-SP2]
- // x: Unknown.
- // y: Maybe SG13-SG8, but untested.
- // z: Maybe therm flag and int flag.
- // For SP: First get SP7-SP2 right, then add SP1 and SP0
- uint16_t sp = ((din_spi_resp << 2) & 0x00FF) | ((din_spi_resp >> 14) & 0x3);
- uint16_t sg = ((din_spi_resp >> 8) & 0xFF00);
- uint16_t word = sg | sp;
- return word;
+ // How it should be.
+ //uint16_t sp = ((din_spi_resp >> 14) & 0x00FF);
+ //uint16_t sg = ((din_spi_resp << 8 ) & 0xFF00);
+
+ // How it actually is.
+ // Ignore datasheet, this is the actual response from the SPI driver:
+ // [xxxx xxxx][SG7-SG0][SP1 SP0 yy yyyy][zz SP7-SP2]
+ // x: Unknown.
+ // y: Maybe SG13-SG8, but untested.
+ // z: Maybe therm flag and int flag.
+ // For SP: First get SP7-SP2 right, then add SP1 and SP0
+ uint16_t sp = ((din_spi_resp << 2) & 0x00FF) | ((din_spi_resp >> 14) & 0x3);
+ uint16_t sg = ((din_spi_resp >> 8) & 0xFF00);
+ uint16_t word = sg | sp;
+
+ return word;
}
-int din_spi_response() {
- return din_spi_resp;
+int din_spi_response()
+{
+ return din_spi_resp;
}
* store spi response
* return spi response
*/
-int din_spi_transfer_mst(const uint32_t din_spi_cmd) {
- port_desc_t* desc;
-
- desc = hal_port_get_dsc(PORT_NAME_DINSPI, -1);
- uint32_t commands[3];
- commands[0] = (din_spi_cmd & 0xFF0000) >> 16; // command
- commands[1] = (din_spi_cmd & 0xFF00) >> 8; // 1.st B of data
- commands[2] = (din_spi_cmd & 0xFF); // 2.nd B of data
-
- din_spi_resp = desc->port_setfnc_ptr(desc->config, desc->numValues, \
- commands);
- return din_spi_resp;
+int din_spi_transfer_mst(const uint32_t din_spi_cmd)
+{
+ dio_port_desc_t *desc;
+
+ desc = dio_port_get_dsc(DIO_PORT_NAME_DINSPI, -1);
+ uint32_t commands[3];
+ commands[0] = (din_spi_cmd & 0xFF0000) >> 16; // command
+ commands[1] = (din_spi_cmd & 0xFF00) >> 8; // 1.st B of data
+ commands[2] = (din_spi_cmd & 0xFF); // 2.nd B of data
+
+ din_spi_resp = desc->port_setfnc_ptr(desc->config, desc->numValues, \
+ commands);
+ return din_spi_resp;
}
projects / pes-rpp / rpp-lib.git / blobdiff