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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/sx1509b/sx1509b.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/sx1509b/sx1509b.c | 1002 |
1 files changed, 1002 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/sx1509b/sx1509b.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/sx1509b/sx1509b.c new file mode 100644 index 0000000..03ac91a --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/sx1509b/sx1509b.c @@ -0,0 +1,1002 @@ +/** + * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +#include "sx1509b.h" + +static sx1509b_instance_t * m_p_instances; +static uint8_t m_max_instance_count; +static uint8_t m_inst_count; + +#define RETURN_IF_ERR(_err) \ + if (_err != NRF_SUCCESS)\ + { \ + return _err; \ + } + +/** + * =============================================================================================== + * @brief General expander utility functions. + */ + +void sx1509b_init(sx1509b_instance_t * p_instances, uint8_t count) +{ + ASSERT(p_instances != NULL); + m_p_instances = p_instances; + m_max_instance_count = count; + m_inst_count = 0; +} + +static void sx1509b_default_cfg_set(uint8_t instance_num) +{ + m_p_instances[instance_num].start_addr = 0x00; + for (uint8_t i = SX1509B_REG_INPUT_DISABLE_B; i < SX1509B_REG_DIR_B; i++) + { + m_p_instances[instance_num].registers[i] = 0; + } + for (uint8_t i = SX1509B_REG_DIR_B; i < SX1509B_REG_SENSE_H_B; i++) + { + m_p_instances[instance_num].registers[i] = 0xFF; + } + for (uint8_t i = SX1509B_REG_SENSE_H_B; i < SX1509B_REG_KEY_DATA_1; i++) + { + m_p_instances[instance_num].registers[i] = 0; + } + m_p_instances[instance_num].registers[SX1509B_REG_KEY_DATA_1] = 0xFF; + m_p_instances[instance_num].registers[SX1509B_REG_KEY_DATA_2] = 0xFF; + m_p_instances[instance_num].registers[SX1509B_REG_MISC] = 0x01; + m_p_instances[instance_num].high_input[0] = 0; + m_p_instances[instance_num].high_input[1] = 0; + +} +ret_code_t sx1509b_add_instance(nrf_twi_sensor_t * p_twi_sensor, + uint8_t sensor_address) +{ + ASSERT(p_twi_sensor != NULL); + if (m_p_instances == NULL) + { + return NRF_ERROR_MODULE_NOT_INITIALIZED; + } + if (m_inst_count >= m_max_instance_count) + { + return NRF_ERROR_STORAGE_FULL; + } + m_p_instances[m_inst_count].p_sensor_data = p_twi_sensor; + m_p_instances[m_inst_count].sensor_addr = sensor_address; + sx1509b_default_cfg_set(m_inst_count); + m_inst_count++; + ret_code_t err_code = sx1509b_cfg_write(m_inst_count - 1); + + return err_code; +} + +ret_code_t sx1509b_cfg_write(uint8_t instance_num) +{ + if (instance_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + ret_code_t err = nrf_twi_sensor_reg_write(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + SX1509B_REG_HIGH_INPUT_B, + m_p_instances[instance_num].high_input, + 2); + RETURN_IF_ERR(err); + return nrf_twi_sensor_write(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + &m_p_instances[instance_num].start_addr, + SX1509B_REG_COUNT + 1, + false); +} + +ret_code_t sx1509b_cfg_read(uint8_t instance_num) +{ + if (instance_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + ret_code_t err = nrf_twi_sensor_reg_read(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + SX1509B_REG_HIGH_INPUT_B, + NULL, + m_p_instances[instance_num].high_input, + 2); + RETURN_IF_ERR(err); + return nrf_twi_sensor_reg_read(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + m_p_instances[instance_num].start_addr, + NULL, + m_p_instances[instance_num].registers, + SX1509B_REG_COUNT); +} + +ret_code_t sx1509b_clock_set(uint8_t instance_num, sx1509b_clock_t source, bool oscio_set, uint8_t oscio_freq) +{ + if (instance_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + uint8_t * p_reg_val = &m_p_instances[instance_num].registers[SX1509B_REG_CLOCK]; + + NRF_TWI_SENSOR_REG_SET(*p_reg_val, SX1509B_OSC_SRC_MASK, SX1509B_OSC_SRC_POS, source); + NRF_TWI_SENSOR_REG_SET(*p_reg_val, SX1509B_OSCIO_PIN_MASK, SX1509B_OSCIO_PIN_POS, oscio_set); + NRF_TWI_SENSOR_REG_SET(*p_reg_val, + SX1509B_OSCOUT_FREQ_MASK, + SX1509B_OSCOUT_FREQ_POS, + oscio_freq); + + uint8_t send_msg[] = { + SX1509B_REG_CLOCK, + *p_reg_val + }; + return nrf_twi_sensor_write(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); +} + +ret_code_t sx1509b_misc_set(uint8_t instance_num, + bool nreset_func, + sx1509b_debounce_t debounce_time, + bool autoclear_nint) +{ + if (instance_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + uint8_t * p_reg_val = &m_p_instances[instance_num].registers[SX1509B_REG_MISC]; + + NRF_TWI_SENSOR_REG_SET(*p_reg_val, SX1509B_NRESET_PIN_MASK, SX1509B_NRESET_PIN_POS, nreset_func); + NRF_TWI_SENSOR_REG_SET(*p_reg_val, + SX1509B_AUTO_CLEAR_NINT_MASK, + SX1509B_AUTO_CLEAR_NINT_POS, + autoclear_nint); + uint8_t send_msg[] = { + SX1509B_REG_MISC, + *p_reg_val + }; + ret_code_t err = nrf_twi_sensor_write(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + RETURN_IF_ERR(err); + m_p_instances[instance_num].registers[SX1509B_REG_DEBOUNCE_CONFIG] = debounce_time; + send_msg[0] = SX1509B_REG_DEBOUNCE_CONFIG; + send_msg[1] = debounce_time; + + return nrf_twi_sensor_write(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + +} + +ret_code_t sx1509b_sw_reset(uint8_t instance_num) +{ + if (instance_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + uint8_t send_msg[] = { + SX1509B_REG_SW_RESET, + SX1509B_INNER_RESET_BYTE1 + }; + ret_code_t err = nrf_twi_sensor_write(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + RETURN_IF_ERR(err); + send_msg[1] = SX1509B_INNER_RESET_BYTE2; + err = nrf_twi_sensor_write(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + RETURN_IF_ERR(err); + sx1509b_default_cfg_set(instance_num); + return err; +} + +ret_code_t sx1509b_pin_cfg_reg_set(sx1509b_registers_t reg, uint32_t pin, uint8_t set) +{ + if (pin >= SX1509B_INNER_PIN_COUNT * m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + + uint8_t inst_num = pin / SX1509B_INNER_PIN_COUNT; + pin %= SX1509B_INNER_PIN_COUNT; + uint8_t * p_reg_val; + + uint8_t reg_addr = reg; + uint32_t mask = 1; + if (reg_addr == SX1509B_REG_LEVEL_SHIFTER_1) + { + mask = 3; // Level shifter register parameter is 2 bits long. + pin %= SX1509B_INNER_NEXT_BANK; + pin *= 2; + } + if (reg_addr == SX1509B_REG_SENSE_H_B) + { + reg_addr += 3 - (pin / SX1509B_INNER_SENSE_REG_NUM); // Setting correct sense register + pin %= SX1509B_INNER_SENSE_REG_NUM; + pin *= 2; // Multiplying by 2 to make space for 2 bits. + mask = 3; // Sense register parameter is 2 bits long. + } + else + { + if (pin >= SX1509B_INNER_NEXT_BANK) + { + reg_addr = reg; + pin -= SX1509B_INNER_NEXT_BANK; + } + else + { + reg_addr = reg + 1; // Moving to bank A registers + + } + } + + p_reg_val = &m_p_instances[inst_num].registers[reg_addr]; + + NRF_TWI_SENSOR_REG_SET(*p_reg_val, (mask<<pin), pin, set); + uint8_t send_msg[] = { + reg_addr, + *p_reg_val + }; + return nrf_twi_sensor_write(m_p_instances[inst_num].p_sensor_data, + m_p_instances[inst_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); +} + +uint8_t sx1509b_pin_cfg_reg_get(sx1509b_registers_t reg, uint32_t pin) +{ + if (pin >= SX1509B_INNER_PIN_COUNT * m_inst_count) + { + return 0xFF; + } + + uint8_t inst_num = pin / SX1509B_INNER_PIN_COUNT; + pin %= SX1509B_INNER_PIN_COUNT; + uint8_t * p_reg_val; + uint8_t reg_addr = reg; + uint8_t mask = 1; + if (reg_addr == SX1509B_REG_LEVEL_SHIFTER_1) + { + mask = 3; // Level shifter register parameter is 2 bits long. + pin %= SX1509B_INNER_NEXT_BANK; + pin *= 2; + } + if (reg_addr >= SX1509B_REG_SENSE_H_B && reg_addr <= SX1509B_REG_SENSE_L_A) + { + reg_addr += 3 - (pin / SX1509B_INNER_SENSE_REG_NUM); // Setting correct sense register + pin %= SX1509B_INNER_SENSE_REG_NUM; + pin *= 2; // Multiplying by 2 to make space for 2 bits. + mask = 3; // Sense register parameter is 2 bits long. + } + else + { + reg_addr += (pin >= SX1509B_INNER_NEXT_BANK) ? 0 : 1; + pin %= SX1509B_INNER_NEXT_BANK; + } + p_reg_val = &m_p_instances[inst_num].registers[reg_addr]; + + return NRF_TWI_SENSOR_REG_VAL_GET(*p_reg_val,(mask<<pin),pin); +} + +ret_code_t sx1509b_port_cfg_reg_set(sx1509b_registers_t reg, + uint32_t port, + uint8_t mask, + sx1509b_port_op_t flag) +{ + if (port >= SX1509B_INNER_PORT_COUNT * m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + + uint8_t inst_num = port / SX1509B_INNER_PORT_COUNT; + port %= SX1509B_INNER_PORT_COUNT; + uint8_t reg_addr = reg + !port; + + uint8_t * reg_val = &m_p_instances[inst_num].registers[reg_addr]; + + switch (flag) + { + case SX1509B_PORT_WRITE: + *reg_val = mask; + break; + case SX1509B_PORT_CLEAR: + *reg_val &= ~mask; + break; + case SX1509B_PORT_SET: + *reg_val |= mask; + break; + default: + return NRF_ERROR_INVALID_PARAM; + } + uint8_t send_msg[] = { + reg_addr, + *reg_val + }; + return nrf_twi_sensor_write(m_p_instances[inst_num].p_sensor_data, m_p_instances[inst_num].sensor_addr, send_msg, ARRAY_SIZE(send_msg), true); +} + +uint8_t sx1509b_port_cfg_reg_get(sx1509b_registers_t reg, uint32_t port) +{ + if (port >= SX1509B_INNER_PORT_COUNT * m_inst_count) + { + return 0; + } + + uint8_t inst_num = port / SX1509B_INNER_PORT_COUNT; + port %= SX1509B_INNER_PORT_COUNT; + uint8_t reg_addr = reg + !port; + return m_p_instances[inst_num].registers[reg_addr]; +} + +ret_code_t sx1509b_pin_data_update(nrf_twi_sensor_reg_cb_t user_cb) +{ + ret_code_t err_code; + for (uint8_t i = 0; i < m_inst_count - 1; i++) + { + err_code = nrf_twi_sensor_reg_read(m_p_instances[i].p_sensor_data, + m_p_instances[i].sensor_addr, + SX1509B_REG_DATA_B, + NULL, + &m_p_instances[i].registers[SX1509B_REG_DATA_B], + 2); + RETURN_IF_ERR(err_code); + } + return nrf_twi_sensor_reg_read(m_p_instances[m_inst_count - 1].p_sensor_data, + m_p_instances[m_inst_count - 1].sensor_addr, + SX1509B_REG_DATA_B, + user_cb, + &m_p_instances[m_inst_count - 1].registers[SX1509B_REG_DATA_B], + 2); +} + +ret_code_t sx1509b_pin_latch_update(nrf_twi_sensor_reg_cb_t user_cb) +{ + ret_code_t err_code; + for (uint8_t i = 0; i < m_inst_count - 1; i++) // -1 so last read triggers callback + { + err_code = nrf_twi_sensor_reg_read(m_p_instances[i].p_sensor_data, + m_p_instances[i].sensor_addr, + SX1509B_REG_INT_SRC_B, + NULL, + &m_p_instances[i].registers[SX1509B_REG_INT_SRC_B], + 2); + RETURN_IF_ERR(err_code); + } + return nrf_twi_sensor_reg_read(m_p_instances[m_inst_count - 1].p_sensor_data, + m_p_instances[m_inst_count - 1].sensor_addr, + SX1509B_REG_INT_SRC_B, + user_cb, + &m_p_instances[m_inst_count - 1].registers[SX1509B_REG_INT_SRC_B], + 2); +} + + + + +ret_code_t sx1509b_pin_high_input(uint32_t pin_number, bool set) +{ + if (pin_number >= SX1509B_INNER_PIN_COUNT * m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + + uint8_t inst_num = pin_number / SX1509B_INNER_PIN_COUNT; + pin_number %= SX1509B_INNER_PIN_COUNT; + uint8_t reg_addr; + uint8_t * p_reg_val; + if (pin_number < SX1509B_INNER_NEXT_BANK) + { + reg_addr = SX1509B_REG_HIGH_INPUT_A; + p_reg_val = &m_p_instances[inst_num].high_input[1]; + } + else + { + reg_addr = SX1509B_REG_HIGH_INPUT_B; + p_reg_val = &m_p_instances[inst_num].high_input[0]; + pin_number -= SX1509B_INNER_NEXT_BANK; + } + NRF_TWI_SENSOR_REG_SET(*p_reg_val, (1U << pin_number), pin_number, set); + uint8_t send_msg[] = { + reg_addr, + *p_reg_val + }; + return nrf_twi_sensor_write(m_p_instances[inst_num].p_sensor_data, + m_p_instances[inst_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); +} + + +ret_code_t sx1509b_port_high_input(uint8_t port_num, uint8_t out_mask, sx1509b_port_op_t flag) +{ + if (port_num >= SX1509B_INNER_PORT_COUNT * m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + + uint8_t inst_num = port_num / SX1509B_INNER_PORT_COUNT; + port_num %= SX1509B_INNER_PORT_COUNT; + uint8_t reg_addr = SX1509B_REG_HIGH_INPUT_B + !port_num; + + uint8_t * reg_val = &m_p_instances[inst_num].high_input[!port_num]; + + switch (flag) + { + case SX1509B_PORT_WRITE: + *reg_val = out_mask; + break; + case SX1509B_PORT_CLEAR: + *reg_val &= ~out_mask; + break; + case SX1509B_PORT_SET: + *reg_val |= out_mask; + break; + default: + return NRF_ERROR_INVALID_PARAM; + } + uint8_t send_msg[] = { + reg_addr, + *reg_val + }; + return nrf_twi_sensor_write(m_p_instances[inst_num].p_sensor_data, + m_p_instances[inst_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + +} + +/** + * =============================================================================================== + * @brief Functions compatible with nrf_gpio + */ + + + +ret_code_t sx1509b_pin_cfg_input(uint32_t pin_number, sx1509b_pin_pull_t pull_config) +{ + ret_code_t err_code = sx1509b_pin_cfg_reg_set(SX1509B_REG_DIR_B, pin_number, SX1509B_PIN_DIR_INPUT); + RETURN_IF_ERR(err_code); + err_code = sx1509b_pin_cfg_reg_set(SX1509B_REG_INPUT_DISABLE_B, pin_number, 0); + RETURN_IF_ERR(err_code); + switch (pull_config) + { + case SX1509B_PIN_NOPULL: + err_code = sx1509b_pin_cfg_reg_set(SX1509B_REG_PULL_DOWN_B, pin_number, 0); + RETURN_IF_ERR(err_code); + err_code = sx1509b_pin_cfg_reg_set(SX1509B_REG_PULL_UP_B, pin_number, 0); + break; + case SX1509B_PIN_PULLDOWN: + err_code = sx1509b_pin_cfg_reg_set(SX1509B_REG_PULL_DOWN_B, pin_number, 1); + RETURN_IF_ERR(err_code); + err_code = sx1509b_pin_cfg_reg_set(SX1509B_REG_PULL_UP_B, pin_number, 0); + break; + case SX1509B_PIN_PULLUP: + err_code = sx1509b_pin_cfg_reg_set(SX1509B_REG_PULL_DOWN_B, pin_number, 0); + RETURN_IF_ERR(err_code); + err_code = sx1509b_pin_cfg_reg_set(SX1509B_REG_PULL_UP_B, pin_number, 1); + break; + }; + return err_code; +} + +ret_code_t sx1509b_pin_cfg_default(uint32_t pin_number) +{ + if (pin_number >= SX1509B_INNER_PIN_COUNT * m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + uint8_t inst_num = pin_number / SX1509B_INNER_PIN_COUNT; + pin_number %= SX1509B_INNER_PIN_COUNT; + uint8_t reg = (pin_number >= SX1509B_INNER_NEXT_BANK) ? 0 : 1; + pin_number %= SX1509B_INNER_NEXT_BANK; + + ret_code_t err_code = NRF_SUCCESS; + for (uint8_t i = SX1509B_REG_INPUT_DISABLE_B + reg; i < SX1509B_REG_DIR_B; i += 2) + { + if (IS_SET(m_p_instances[inst_num].registers[i], pin_number) == 1) + { + CLR_BIT(m_p_instances[inst_num].registers[i], pin_number); + err_code = nrf_twi_sensor_reg_write(m_p_instances[inst_num].p_sensor_data, + m_p_instances[inst_num].sensor_addr, + i, + &m_p_instances[inst_num].registers[i], + 1); + } + } + for (uint8_t i = SX1509B_REG_DIR_B + reg; i < SX1509B_REG_SENSE_H_B; i += 2) + { + if (IS_SET(m_p_instances[inst_num].registers[i], pin_number) == 0) + { + SET_BIT(m_p_instances[inst_num].registers[i], pin_number); + err_code = nrf_twi_sensor_reg_write(m_p_instances[inst_num].p_sensor_data, + m_p_instances[inst_num].sensor_addr, + i, + &m_p_instances[inst_num].registers[i], + 1); + } + } + for (uint8_t i = SX1509B_REG_SENSE_H_B + reg; i < SX1509B_REG_KEY_DATA_1; i += 2) + { + if (IS_SET(m_p_instances[inst_num].registers[i], pin_number) == 1) + { + CLR_BIT(m_p_instances[inst_num].registers[i], pin_number); + err_code = nrf_twi_sensor_reg_write(m_p_instances[inst_num].p_sensor_data, + m_p_instances[inst_num].sensor_addr, + i, + &m_p_instances[inst_num].registers[i], + 1); + } + } + return err_code; +} + +ret_code_t sx1509b_pin_cfg_sense_input(uint32_t pin_number, + sx1509b_pin_pull_t pull_config, + sx1509b_pin_sense_t sense_config) +{ + ret_code_t err_code = sx1509b_pin_cfg_input(pin_number, pull_config); + RETURN_IF_ERR(err_code); + return sx1509b_pin_cfg_sense_set(pin_number, sense_config); +} + + +ret_code_t sx1509b_pin_cfg_sense_set(uint32_t pin_number, sx1509b_pin_sense_t sense_config) +{ + ret_code_t err; + if (sense_config == SX1509B_PIN_NOSENSE) + { + err = sx1509b_pin_cfg_reg_set(SX1509B_REG_INT_MASK_B, pin_number, 1); + RETURN_IF_ERR(err); + } + else + { + err = sx1509b_pin_cfg_reg_set(SX1509B_REG_INT_MASK_B, pin_number, 0); + RETURN_IF_ERR(err); + } + return sx1509b_pin_cfg_reg_set(SX1509B_REG_SENSE_H_B, pin_number, sense_config); +} + +ret_code_t sx1509b_pin_dir_set(uint32_t pin_number, sx1509b_pin_dir_t direction) +{ + if (direction == SX1509B_PIN_DIR_INPUT) + { + return sx1509b_pin_cfg_input(pin_number, SX1509B_PIN_NOPULL); + } + else + { + return sx1509b_pin_cfg_output(pin_number); + } +} + +ret_code_t sx1509b_ports_read(uint8_t start_port, uint32_t length, uint8_t * p_masks) +{ + if (start_port + length > SX1509B_INNER_PORT_COUNT * m_inst_count) + { + return NRF_ERROR_INVALID_LENGTH; + } + + for (uint8_t i = 0; i < length; i++) + { + p_masks[i] = sx1509b_port_in_read(start_port + i); + } + return NRF_SUCCESS; +} + +ret_code_t sx1509b_latches_read(uint8_t start_port, uint32_t length, uint8_t * p_masks) +{ + if (start_port + length > SX1509B_INNER_PORT_COUNT * m_inst_count) + { + return NRF_ERROR_INVALID_LENGTH; + } + + for (uint8_t i = 0; i < length; i++) + { + p_masks[i] = sx1509b_port_cfg_reg_get(SX1509B_REG_INT_SRC_B, start_port + i); + } + return NRF_SUCCESS; +} + +ret_code_t sx1509b_pin_latch_clear(uint32_t pin_number) +{ + ret_code_t err_code = sx1509b_pin_cfg_reg_set(SX1509B_REG_INT_SRC_B, pin_number, 1); + RETURN_IF_ERR(err_code); + uint8_t inst_num = pin_number / SX1509B_INNER_PIN_COUNT; + pin_number %= SX1509B_INNER_PIN_COUNT; + uint8_t reg = SX1509B_REG_INT_SRC_B; + reg += (pin_number >= SX1509B_INNER_NEXT_BANK) ? 0 : 1; + pin_number %= SX1509B_INNER_NEXT_BANK; + CLR_BIT(m_p_instances[inst_num].registers[reg], pin_number); + return err_code; +} + +/** + * =============================================================================================== + * @brief Led driver functions. + */ + +ret_code_t sx1509b_led_driver_enable(uint8_t instance_num, bool clock_internal, uint8_t frequency) +{ + if (instance_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + + NRF_TWI_SENSOR_REG_SET(m_p_instances[instance_num].registers[SX1509B_REG_CLOCK], + SX1509B_OSC_SRC_MASK, + SX1509B_OSC_SRC_POS, + (clock_internal == 1) ? 2 : 1); + NRF_TWI_SENSOR_REG_SET(m_p_instances[instance_num].registers[SX1509B_REG_MISC], + SX1509B_LED_FREQ_MASK, + SX1509B_LED_FREQ_POS, + frequency); + uint8_t send_msg[] = { + SX1509B_REG_CLOCK, + m_p_instances[instance_num].registers[SX1509B_REG_CLOCK], + m_p_instances[instance_num].registers[SX1509B_REG_MISC] + }; + return nrf_twi_sensor_write(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); +} + +ret_code_t sx1509b_led_mode(uint8_t port_num, bool mode) +{ + if (port_num >= SX1509B_INNER_PORT_COUNT * m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + + uint8_t inst_num = port_num / SX1509B_INNER_PORT_COUNT; + port_num %= SX1509B_INNER_PORT_COUNT; + uint8_t *p_reg_val = &m_p_instances[inst_num].registers[SX1509B_REG_MISC]; + + if (port_num == 1) + { + NRF_TWI_SENSOR_REG_SET(*p_reg_val, SX1509B_LED_MODE_B_MASK, SX1509B_LED_MODE_B_POS, mode); + } + else + { + NRF_TWI_SENSOR_REG_SET(*p_reg_val, SX1509B_LED_MODE_A_MASK, SX1509B_LED_MODE_A_POS, mode); + } + uint8_t send_msg[] = { + SX1509B_REG_MISC, + *p_reg_val + }; + return nrf_twi_sensor_write(m_p_instances[inst_num].p_sensor_data, + m_p_instances[inst_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); +} + +uint8_t sx1509b_led_driver_get_reg(uint32_t pin_number) +{ + uint8_t reg; + bool fade_reg = false; + if (pin_number >= SX1509B_INNER_NEXT_BANK) + { + pin_number %= SX1509B_INNER_NEXT_BANK; + if (pin_number >= SX1509B_LED_DRIVER_TIME_REG_NUM) + { + reg = SX1509B_REG_LED_FADE_B_START; + fade_reg = true; + } + else + { + reg = SX1509B_REG_LED_BANK_B_START; + } + } + else + { + if (pin_number >= SX1509B_LED_DRIVER_TIME_REG_NUM) + { + reg = SX1509B_REG_LED_FADE_A_START; + fade_reg = true; + } + else + { + reg = SX1509B_REG_LED_BANK_A_START; + } + } + + if (fade_reg == true) + { + pin_number %= SX1509B_LED_DRIVER_FADE_REG_NUM; + reg += SX1509B_LED_DRIVER_FADE_REG_LEN * pin_number; + } + else + { + pin_number %= SX1509B_LED_DRIVER_TIME_REG_NUM; + reg += SX1509B_LED_DRIVER_TIME_REG_LEN * pin_number; + } + + return reg; +} + +ret_code_t sx1509b_led_pin_time(uint32_t pin_number, + uint8_t on_time, + uint8_t on_intensity, + uint8_t off_time, + uint8_t off_intensity) +{ + uint8_t inst_num = pin_number / SX1509B_INNER_PIN_COUNT; + if (inst_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + pin_number %= SX1509B_INNER_PIN_COUNT; + uint8_t reg = sx1509b_led_driver_get_reg(pin_number); + uint8_t send_msg[] = { + reg, + on_time & 0x1F, + on_intensity, + (off_time << SX1509B_OFF_TIME_POS) | (off_intensity & SX1509B_OFF_INTENSITY_MASK) + }; + return nrf_twi_sensor_write(m_p_instances[inst_num].p_sensor_data, + m_p_instances[inst_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); +} + +ret_code_t sx1509b_led_pin_fade(uint32_t pin_number, uint8_t fade_in, uint8_t fade_out) +{ + if ((pin_number % SX1509B_INNER_NEXT_BANK) <= SX1509B_LED_DRIVER_TIME_REG_LEN) + { + return NRF_ERROR_INVALID_PARAM; + } + uint8_t inst_num = pin_number / SX1509B_INNER_PIN_COUNT; + if (inst_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + pin_number %= SX1509B_INNER_PIN_COUNT; + uint8_t reg = sx1509b_led_driver_get_reg(pin_number) + SX1509B_LED_DRIVER_T_RISE; + uint8_t send_msg[] = { + reg, + fade_in & 0x1F, + fade_out & 0x1F + }; + return nrf_twi_sensor_write(m_p_instances[inst_num].p_sensor_data, + m_p_instances[inst_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); +} + +ret_code_t sx1509b_led_pin_enable(uint32_t pin_number) +{ + uint8_t inst_num = pin_number / SX1509B_INNER_PIN_COUNT; + if (inst_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + pin_number %= SX1509B_INNER_PIN_COUNT; + uint8_t reg_add = (pin_number > SX1509B_INNER_NEXT_BANK) ? 0 : 1; + pin_number %= SX1509B_INNER_NEXT_BANK; + SET_BIT(m_p_instances[inst_num].registers[SX1509B_REG_INPUT_DISABLE_B + reg_add], pin_number); + CLR_BIT(m_p_instances[inst_num].registers[SX1509B_REG_PULL_UP_B + reg_add], pin_number); + SET_BIT(m_p_instances[inst_num].registers[SX1509B_REG_OPEN_DRAIN_B + reg_add], pin_number); + CLR_BIT(m_p_instances[inst_num].registers[SX1509B_REG_DIR_B + reg_add], pin_number); + CLR_BIT(m_p_instances[inst_num].registers[SX1509B_REG_DATA_B + reg_add], pin_number); + SET_BIT(m_p_instances[inst_num].registers[SX1509B_REG_LED_DRV_ENABLE_B + reg_add], pin_number); + return nrf_twi_sensor_write(m_p_instances[inst_num].p_sensor_data, + m_p_instances[inst_num].sensor_addr, + &m_p_instances[inst_num].start_addr, + SX1509B_REG_DEBOUNCE_CONFIG + 1, // + 1 byte for address + false); +} + +ret_code_t sx1509b_led_pin_disable(uint32_t pin_number) +{ + uint8_t inst_num = pin_number / SX1509B_INNER_PIN_COUNT; + if (inst_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + pin_number %= SX1509B_INNER_PIN_COUNT; + uint8_t reg_add = (pin_number > SX1509B_INNER_NEXT_BANK) ? 0 : 1; + pin_number %= SX1509B_INNER_NEXT_BANK; + CLR_BIT(m_p_instances[inst_num].registers[SX1509B_REG_INPUT_DISABLE_B + reg_add], pin_number); + CLR_BIT(m_p_instances[inst_num].registers[SX1509B_REG_OPEN_DRAIN_B + reg_add], pin_number); + SET_BIT(m_p_instances[inst_num].registers[SX1509B_REG_DIR_B + reg_add], pin_number); + SET_BIT(m_p_instances[inst_num].registers[SX1509B_REG_DATA_B + reg_add], pin_number); + CLR_BIT(m_p_instances[inst_num].registers[SX1509B_REG_LED_DRV_ENABLE_B + reg_add], pin_number); + return nrf_twi_sensor_write(m_p_instances[inst_num].p_sensor_data, + m_p_instances[inst_num].sensor_addr, + &m_p_instances[inst_num].start_addr, + SX1509B_REG_DEBOUNCE_CONFIG + 1, // + 1 byte for address + false); +} + +/** + * =============================================================================================== + * @brief Key Engine functions. + */ +ret_code_t sx1509b_key_engine_enable(uint8_t instance_num, + uint8_t rows, + uint8_t columns, + sx1509b_key_sleep_t sleep_time, + sx1509b_key_scan_t scan_time, + sx1509b_debounce_t debounce_time) +{ + if (instance_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + if (rows < 2) + { + NRF_TWI_SENSOR_REG_SET(m_p_instances[instance_num].registers[SX1509B_REG_KEY_CONFIG_2], + SX1509B_ROW_NUM_MASK, + SX1509B_ROW_NUM_POS, + 0); + uint8_t send_msg[] = { + SX1509B_REG_KEY_CONFIG_2, + m_p_instances[instance_num].registers[SX1509B_REG_KEY_CONFIG_2] + }; + return nrf_twi_sensor_write(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); + } + + uint8_t in_mask = 0, out_mask = 0; + uint8_t in_port = 0 + instance_num * SX1509B_INNER_PORT_COUNT; + uint8_t out_port = 1 + instance_num * SX1509B_INNER_PORT_COUNT; + for (uint8_t i = 0; i < rows; i++) + { + in_mask <<= 1; + in_mask |= 1; + } + + for (uint8_t i = 0; i < columns; i++) + { + out_mask <<= 1; + out_mask |= 1; + } + + ret_code_t err = sx1509b_port_dir_output_set(in_port, in_mask); + RETURN_IF_ERR(err); + err = sx1509b_port_dir_input_set(out_port, out_mask); + RETURN_IF_ERR(err); + err = sx1509b_port_open_drain(out_port, out_mask, SX1509B_PORT_SET); + RETURN_IF_ERR(err); + err = sx1509b_port_pull_up(in_port, in_mask, SX1509B_PORT_SET); + RETURN_IF_ERR(err); + + m_p_instances[instance_num].registers[SX1509B_REG_DEBOUNCE_CONFIG] = debounce_time; + m_p_instances[instance_num].registers[SX1509B_REG_DEBOUNCE_EN_B] |= in_mask; + NRF_TWI_SENSOR_REG_SET(m_p_instances[instance_num].registers[SX1509B_REG_KEY_CONFIG_1], + SX1509B_SLEEP_TIME_MASK, + SX1509B_SLEEP_TIME_POS, + sleep_time); + NRF_TWI_SENSOR_REG_SET(m_p_instances[instance_num].registers[SX1509B_REG_KEY_CONFIG_1], + SX1509B_SCAN_TIME_MASK, + SX1509B_SCAN_TIME_POS, + scan_time); + NRF_TWI_SENSOR_REG_SET(m_p_instances[instance_num].registers[SX1509B_REG_KEY_CONFIG_2], + SX1509B_ROW_NUM_MASK, + SX1509B_ROW_NUM_POS, + rows - 1); + NRF_TWI_SENSOR_REG_SET(m_p_instances[instance_num].registers[SX1509B_REG_KEY_CONFIG_2], + SX1509B_COL_NUM_MASK, + SX1509B_COL_NUM_POS, + columns - 1); + uint8_t send_msg[] = { + SX1509B_REG_DEBOUNCE_CONFIG, + m_p_instances[instance_num].registers[SX1509B_REG_DEBOUNCE_CONFIG], + m_p_instances[instance_num].registers[SX1509B_REG_DEBOUNCE_EN_B], + m_p_instances[instance_num].registers[SX1509B_REG_DEBOUNCE_EN_A], + m_p_instances[instance_num].registers[SX1509B_REG_KEY_CONFIG_1], + m_p_instances[instance_num].registers[SX1509B_REG_KEY_CONFIG_2] + }; + return nrf_twi_sensor_write(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + send_msg, + ARRAY_SIZE(send_msg), + true); +} + +ret_code_t sx1509b_key_data_update(uint8_t instance_num, nrf_twi_sensor_reg_cb_t user_cb) +{ + if (instance_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + return nrf_twi_sensor_reg_read(m_p_instances[instance_num].p_sensor_data, + m_p_instances[instance_num].sensor_addr, + SX1509B_REG_KEY_DATA_1, + user_cb, + &m_p_instances[instance_num].registers[SX1509B_REG_KEY_DATA_1], + 2); +} + +static uint8_t sx1509b_key_get_bit_pos(uint8_t reg) +{ + uint8_t ret_val = 0xFF; + for(uint8_t i = 0; i < 8; i++) + { + if (IS_SET(reg, 0) == 1) + { + ret_val = i; + break; + } + reg >>= 1; + } + return ret_val; +} + +uint8_t sx1509b_key_column_get(uint8_t instance_num) +{ + if (instance_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + uint8_t reg_val = ~m_p_instances[instance_num].registers[SX1509B_REG_KEY_DATA_1]; + + return sx1509b_key_get_bit_pos(reg_val); + +} + +uint8_t sx1509b_key_row_get(uint8_t instance_num) +{ + if (instance_num >= m_inst_count) + { + return NRF_ERROR_INVALID_PARAM; + } + uint8_t reg_val = ~m_p_instances[instance_num].registers[SX1509B_REG_KEY_DATA_2]; + + return sx1509b_key_get_bit_pos(reg_val); +} |