TMSG44-CoolPi/Devices/potentiometer.c

#include "potentiometer.h"
#include "tmsgheaders.h"

uint32_t pot_array [2] = {0,0};

void potentiometer_set(reg_addr_pci* pci_bar_1, uint8_t pot_val_ch_a, uint8_t pot_val_ch_b) {
    usleep(1);
    uint32_t cfg_reg = get_cfg_reg();
    SET_REGISTER_PARAM(cfg_reg, CFG_REG_SPI_MODE_BITM, CFG_REG_SPI_MODE_BITP, CFG_REG_SPI_MODE_4MOSI);
    pci_bar_1->cfg_reg_addr = cfg_reg;
    
    uint32_t pot_ch_a	=	(TPL0202_CMD_WR_WIPER_REG_ENUM << TPL0202_CMD_BITP)|(TPL0202_ADR_B_ENUM << TPL0202_ADR_BITP)|(pot_val_ch_a << TPL0202_DATA_BITP);
    uint32_t pot_ch_b	=	(TPL0202_CMD_WR_WIPER_REG_ENUM << TPL0202_CMD_BITP)|(TPL0202_ADR_A_ENUM << TPL0202_ADR_BITP)|(pot_val_ch_b << TPL0202_DATA_BITP);
    
    // Create a header for the Potentiometer 4MOSI
    uint32_t pot_header = (ENUM_SPIMODE_4MOSI | (0x2 << BITP_POT_4MOSI_HEADER) | SB_HEADER_TERM_BIT_1);
    pci_bar_1->sbtmsg_addr = pot_header;
    
    // Send the data
    pci_bar_1->sbtmsg_addr = pot_ch_a;
    pci_bar_1->sbtmsg_addr = pot_ch_b;
    usleep(1);

    SET_REGISTER_PARAM(cfg_reg, CFG_REG_SPI_MODE_BITM, CFG_REG_SPI_MODE_BITP, CFG_REG_SPI_MODE_1MOSI);
    pci_bar_1->cfg_reg_addr = cfg_reg;
    set_cfg_reg(cfg_reg);
    usleep(1);
}

void potentiometer_set_qspi(uint8_t pot_offset, uint8_t pot_slope) {

    uint32_t pot_ch_a	=	(TPL0202_CMD_WR_WIPER_REG_ENUM << TPL0202_CMD_BITP)|(TPL0202_ADR_B_ENUM << TPL0202_ADR_BITP)|(pot_offset << TPL0202_DATA_BITP);
    uint32_t pot_ch_b	=	(TPL0202_CMD_WR_WIPER_REG_ENUM << TPL0202_CMD_BITP)|(TPL0202_ADR_A_ENUM << TPL0202_ADR_BITP)|(pot_slope << TPL0202_DATA_BITP);

    pot_array[0] = pot_ch_a;
    pot_array[1] = pot_ch_b;
}

void potentiometer_set_offset (reg_addr_pci* pci_bar_1, uint8_t pot_offset) {
    uint32_t pot_ch_a	=	(TPL0202_CMD_WR_WIPER_REG_ENUM << TPL0202_CMD_BITP)|(TPL0202_ADR_A_ENUM << TPL0202_ADR_BITP)|(pot_offset << TPL0202_DATA_BITP);
    //Create a header
    pci_bar_1->sbtmsg_addr = ((ENUM_SPIMODE_4MOSI) |(0x1 << BITP_POT_4MOSI_HEADER)| TERM_BIT_1);
    pci_bar_1->sbtmsg_addr = pot_ch_a;

}

void potentiometer_set_slope (reg_addr_pci* pci_bar_1, uint8_t pot_slope) {
    uint32_t pot_ch_b	=	(TPL0202_CMD_WR_WIPER_REG_ENUM << TPL0202_CMD_BITP)|(TPL0202_ADR_B_ENUM << TPL0202_ADR_BITP)|(pot_slope << TPL0202_DATA_BITP);
    //Create a header
    pci_bar_1->sbtmsg_addr = ((ENUM_SPIMODE_4MOSI) |(0x1 << BITP_POT_4MOSI_HEADER)| TERM_BIT_1);
    pci_bar_1->sbtmsg_addr = pot_ch_b;

}