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-rwxr-xr-xkeyboards/meira/issi.c286
1 files changed, 0 insertions, 286 deletions
diff --git a/keyboards/meira/issi.c b/keyboards/meira/issi.c
deleted file mode 100755
index 600a465ba3..0000000000
--- a/keyboards/meira/issi.c
+++ /dev/null
@@ -1,286 +0,0 @@
-#ifdef ISSI_ENABLE
-
-#include <stdlib.h>
-#include <stdint.h>
-#include <util/delay.h>
-#include <avr/sfr_defs.h>
-#include <avr/io.h>
-#include <util/twi.h>
-#include "issi.h"
-#include "print.h"
-#include "TWIlib.h"
-
-#define ISSI_ADDR_DEFAULT 0xE8
-
-#define ISSI_REG_CONFIG 0x00
-#define ISSI_REG_CONFIG_PICTUREMODE 0x00
-#define ISSI_REG_CONFIG_AUTOPLAYMODE 0x08
-
-#define ISSI_CONF_PICTUREMODE 0x00
-#define ISSI_CONF_AUTOFRAMEMODE 0x04
-#define ISSI_CONF_AUDIOMODE 0x08
-
-#define ISSI_REG_PICTUREFRAME 0x01
-
-#define ISSI_REG_SHUTDOWN 0x0A
-#define ISSI_REG_AUDIOSYNC 0x06
-
-#define ISSI_COMMANDREGISTER 0xFD
-#define ISSI_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
-uint8_t control[8][9] = {
- {0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0},
-};
-ISSIDeviceStruct *issi_devices[4] = {0, 0, 0, 0};
-
-#ifndef cbi
-#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
-#endif
-
-#ifndef sbi
-#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
-#endif
-
-#define I2C_WRITE 0
-#define F_SCL 400000UL // SCL frequency
-#define Prescaler 1
-#define TWBR_val ((((F_CPU / F_SCL) / Prescaler) - 16 ) / 2)
-
-uint8_t i2c_start(uint8_t address)
-{
- // reset TWI control register
- TWCR = 0;
- // transmit START condition
- TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
- // wait for end of transmission
- while( !(TWCR & (1<<TWINT)) );
-
- // check if the start condition was successfully transmitted
- if((TWSR & 0xF8) != TW_START){ return 1; }
-
- // load slave address into data register
- TWDR = address;
- // start transmission of address
- TWCR = (1<<TWINT) | (1<<TWEN);
- // wait for end of transmission
- while( !(TWCR & (1<<TWINT)) );
-
- // check if the device has acknowledged the READ / WRITE mode
- uint8_t twst = TW_STATUS & 0xF8;
- if ( (twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK) ) return 1;
-
- return 0;
-}
-
-uint8_t i2c_write(uint8_t data)
-{
- // load data into data register
- TWDR = data;
- // start transmission of data
- TWCR = (1 << TWINT) | (1 << TWEN);
- // wait for end of transmission
- while (!(TWCR & (1 << TWINT)))
- ;
-
- if ((TWSR & 0xF8) != TW_MT_DATA_ACK) {
- return 1;
- }
- return 0;
-}
-
-uint8_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length)
-{
- TWBR = (uint8_t)TWBR_val;
- if (i2c_start(address | I2C_WRITE))
- return 1;
- for (uint16_t i = 0; i < length; i++) {
- if (i2c_write(data[i]))
- return 1;
- }
- // transmit STOP condition
- TWCR = (1 << TWINT) | (1 << TWEN) | (1 << TWSTO);
- return 0;
-}
-
-void setFrame(uint8_t device, uint8_t frame)
-{
- static uint8_t current_frame = -1;
- if(current_frame != frame){
- uint8_t payload[] = {
- ISSI_ADDR_DEFAULT | device << 1,
- ISSI_COMMANDREGISTER,
- frame
- };
- TWITransmitData(payload, sizeof(payload), 0, 1);
- }
- // static uint8_t current_frame = 0xFF;
- // if(current_frame == frame){
- // // return;
- // }
- // uint8_t payload[2] = { ISSI_COMMANDREGISTER, frame };
- // i2c_transmit(ISSI_ADDR_DEFAULT | device << 1, payload, 2);
- // current_frame = frame;
-}
-
-void writeRegister8(uint8_t device, uint8_t frame, uint8_t reg, uint8_t data)
-{
- // Set the frame
- setFrame(device, frame);
-
- // Write to the register
- uint8_t payload[] = {
- ISSI_ADDR_DEFAULT | device << 1,
- reg,
- data
- };
- TWITransmitData(payload, sizeof(payload), 0, 1);
-}
-
-// void activateLED(uint8_t matrix, uint8_t cx, uint8_t cy, uint8_t pwm)
-// {
-// xprintf("activeLED: %02X %02X %02X %02X\n", matrix, cy, cx, pwm);
-// uint8_t x = cx - 1; // funciton takes 1 based counts, but we need 0...
-// uint8_t y = cy - 1; // creating them once for less confusion
-// if(pwm == 0){
-// cbi(control[matrix][y], x);
-// }else{
-// sbi(control[matrix][y], x);
-// }
-// uint8_t device = (matrix & 0x06) >> 1;
-// uint8_t control_reg = (y << 1) | (matrix & 0x01);
-// uint8_t pwm_reg = 0;
-// switch(matrix & 0x01){
-// case 0:
-// pwm_reg = 0x24;
-// break;
-// case 1:
-// pwm_reg = 0x2C;
-// break;
-// }
-// pwm_reg += (y << 4) + x;
-// xprintf(" device: %02X\n", device);
-// xprintf(" control: %02X %02X\n", control_reg, control[matrix][y]);
-// xprintf(" pwm: %02X %02X\n", pwm_reg, pwm);
-// writeRegister8(device, 0, control_reg, control[matrix][y]);
-// writeRegister8(device, 0, control_reg + 0x12, control[matrix][y]);
-// writeRegister8(device, 0, pwm_reg, pwm);
-// }
-
-void activateLED(uint8_t matrix, uint8_t cx, uint8_t cy, uint8_t pwm)
-{
- uint8_t device_addr = (matrix & 0x06) >> 1;
- ISSIDeviceStruct *device = issi_devices[device_addr];
- if(device == 0){
- return;
- }
- // xprintf("activeLED: %02X %02X %02X %02X\n", matrix, cy, cx, pwm);
- uint8_t x = cx - 1; // funciton takes 1 based counts, but we need 0...
- uint8_t y = cy - 1; // creating them once for less confusion
- uint8_t control_reg = (y << 1) | (matrix & 0x01);
- if(pwm == 0){
- cbi(device->led_ctrl[control_reg], x);
- cbi(device->led_blink_ctrl[control_reg], x);
- }else{
- sbi(device->led_ctrl[control_reg], x);
- sbi(device->led_blink_ctrl[control_reg], x);
- }
- uint8_t pwm_reg = 0;
- switch(matrix & 0x01){
- case 0:
- pwm_reg = 0x00;
- break;
- case 1:
- pwm_reg = 0x08;
- break;
- }
- pwm_reg += (y << 4) + x;
- // xprintf(" device_addr: %02X\n", device_addr);
- // xprintf(" control: %02X %02X\n", control_reg, control[matrix][y]);
- // xprintf(" pwm: %02X %02X\n", pwm_reg, pwm);
- // writeRegister8(device_addr, 0, control_reg, control[matrix][y]);
- device->led_pwm[pwm_reg] = pwm;
- device->led_dirty = 1;
-
- // writeRegister8(device_addr, 0, control_reg + 0x12, control[matrix][y]);
- // writeRegister8(device_addr, 0, pwm_reg, pwm);
-}
-
-void update_issi(uint8_t device_addr, uint8_t blocking)
-{
- // This seems to take about 6ms
- ISSIDeviceStruct *device = issi_devices[device_addr];
- if(device != 0){
- if(device->fn_dirty){
- device->fn_dirty = 0;
- setFrame(device_addr, ISSI_BANK_FUNCTIONREG);
- TWITransmitData(&device->fn_device_addr, sizeof(device->fn_registers) + 2, 0, 1);
- }
- if(device->led_dirty){
- device->led_dirty = 0;
- setFrame(device_addr, 0);
- TWITransmitData(&device->led_device_addr, 0xB6, 0, blocking);
- }
- }
-}
-
-void issi_init(void)
-{
- // Set LED_EN/SDB high to enable the chip
- xprintf("Enabing SDB on pin: %d\n", LED_EN_PIN);
- _SFR_IO8((LED_EN_PIN >> 4) + 1) &= ~_BV(LED_EN_PIN & 0xF); // IN
- _SFR_IO8((LED_EN_PIN >> 4) + 2) |= _BV(LED_EN_PIN & 0xF); // HI
- TWIInit();
- for(uint8_t device_addr = 0; device_addr < 4; device_addr++){
- xprintf("ISSI Init device: %d\n", device_addr);
- // If this device has been previously allocated, free it
- if(issi_devices[device_addr] != 0){
- free(issi_devices[device_addr]);
- }
- // Try to shutdown the device, if this fails skip this device
- writeRegister8(device_addr, ISSI_BANK_FUNCTIONREG, ISSI_REG_SHUTDOWN, 0x00);
- while (!isTWIReady()){_delay_us(1);}
- if(TWIInfo.errorCode != 0xFF){
- xprintf("ISSI init failed %d %02X %02X\n", device_addr, TWIInfo.mode, TWIInfo.errorCode);
- continue;
- }
- // Allocate the device structure - calloc zeros it for us
- ISSIDeviceStruct *device = (ISSIDeviceStruct *)calloc(sizeof(ISSIDeviceStruct) * 2, 1);
- issi_devices[device_addr] = device;
- device->fn_device_addr = ISSI_ADDR_DEFAULT | device_addr << 1;
- device->fn_register_addr = 0;
- device->led_device_addr = ISSI_ADDR_DEFAULT | device_addr << 1;
- device->led_register_addr = 0;
- // set dirty bits so that all of the buffered data is written out
- device->fn_dirty = 1;
- device->led_dirty = 1;
- update_issi(device_addr, 1);
- // Set the function register to picture mode
- // device->fn_reg[ISSI_REG_CONFIG] = ISSI_REG_CONFIG_PICTUREMODE;
- writeRegister8(device_addr, ISSI_BANK_FUNCTIONREG, ISSI_REG_SHUTDOWN, 0x01);
- }
-
- // Shutdown and set all registers to 0
- // writeRegister8(device_addr, ISSI_BANK_FUNCTIONREG, ISSI_REG_SHUTDOWN, 0x00);
- // for(uint8_t bank = 0; bank <= 7; bank++){
- // for (uint8_t reg = 0x00; reg <= 0xB3; reg++) {
- // writeRegister8(device_addr, bank, reg, 0x00);
- // }
- // }
- // for (uint8_t reg = 0; reg <= 0x0C; reg++) {
- // writeRegister8(device_addr, ISSI_BANK_FUNCTIONREG, reg, 0x00);
- // }
- // writeRegister8(device_addr, ISSI_BANK_FUNCTIONREG, ISSI_REG_CONFIG, ISSI_REG_CONFIG_PICTUREMODE);
- // writeRegister8(device_addr, ISSI_BANK_FUNCTIONREG, ISSI_REG_SHUTDOWN, 0x01);
- // picture mode
- // writeRegister8(ISSI_BANK_FUNCTIONREG, 0x01, 0x01);
-
- //Enable blink
- // writeRegister8(ISSI_BANK_FUNCTIONREG, 0x05, 0x48B);
-
- //Enable Breath
-
-}
-
-#endif
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