mirror of
https://github.com/halleysfifthinc/Toyota-AVC-LAN
synced 2025-06-07 16:06:12 +00:00
More reorganization [nfc]
This commit is contained in:
Allen Hill
parent
9581957eca
commit
b9bae7a65f
112
src/avclandrv.c
112
src/avclandrv.c
@ -215,17 +215,18 @@ void AVC_ReleaseLine() {
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AVC_OUT_DIS();
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}
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void AVCLan_Init() {
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PORTA.PIN6CTRL = PORT_ISC_INPUT_DISABLE_gc; // Disable input buffer;
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PORTA.PIN7CTRL = PORT_ISC_INPUT_DISABLE_gc; // recommended when using AC
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void AVCLAN_init() {
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// Pull-ups are disabled by default
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// Set pin 6 and 7 as input
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PORTA.DIRCLR = (PIN6_bm | PIN7_bm);
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PORTA.PIN6CTRL = PORT_ISC_INPUT_DISABLE_gc; // Disable input buffer;
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PORTA.PIN7CTRL = PORT_ISC_INPUT_DISABLE_gc; // recommended when using AC
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// Analog comparator
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// Analog comparator config
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AC2.CTRLA = AC_OUTEN_bm | AC_HYSMODE_25mV_gc | AC_ENABLE_bm;
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PORTB.DIRSET = PIN2_bm; // Enable AC2 OUT for LED
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PORTB.PIN2CTRL = PORT_ISC_INPUT_DISABLE_gc; // Output only
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TCB1.CTRLB = TCB_ASYNC_bm | TCB_CNTMODE_SINGLE_gc;
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TCB1.EVCTRL = TCB_CAPTEI_bm;
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@ -653,111 +654,12 @@ uint8_t AVCLAN_sendframe(const AVCLAN_frame_t *frame) {
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AVC_OUT_DIS();
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STARTEvent;
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if (showLog)
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if (printAllFrames)
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AVCLAN_printframe(frame);
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return 0;
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}
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// uint8_t AVCLan_SendDataBroadcast() {
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// uint8_t i;
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// STOPEvent;
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// // wait for free line
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// uint8_t line_busy = 1;
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// TCB1.CNT = 0;
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// do {
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// while (INPUT_IS_CLEAR) {
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// if (TCB1.CNT >= 900)
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// break;
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// }
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// if (TCB1.CNT > 864)
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// line_busy = 0;
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// } while (line_busy);
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// AVC_OUT_EN();
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// AVCLan_Send_StartBit();
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// uint8_t broadcast_control = 0x0;
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// AVCLAN_sendbits(&broadcast_control, 1); // broadcast
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// uint8_t parity = 0;
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// AVCLAN_sendbits(&CD_ID, 12); // CD Changer ID as sender
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// AVCLan_Send_ParityBit(parity);
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// uint16_t audio_addr = 0x1FF;
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// AVCLAN_sendbits(&audio_addr, 12); // all audio devices
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// AVCLan_Send_ParityBit(parity);
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// AVCLan_Send_Bit1();
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// broadcast_control = 0xF;
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// AVCLAN_sendbits(&broadcast_control, 4); // 0xf - control -> COMMAND WRITE
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// AVCLan_Send_ParityBit(parity);
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// AVCLan_Send_Bit1();
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// AVCLAN_sendbyte(&data_len); // data lenght
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// AVCLan_Send_ParityBit(parity);
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// AVCLan_Send_Bit1();
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// for (i = 0; i < data_len; i++) {
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// AVCLAN_sendbyte(&data[i]); // data uint8_t
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// AVCLan_Send_ParityBit(parity);
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// AVCLan_Send_Bit1();
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// }
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// AVC_OUT_DIS();
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// STARTEvent;
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// if (showLog)
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// ShowOutMessage();
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// return 0;
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// }
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// uint8_t AVCLan_SendAnswerFrame(const uint8_t *cmd) {
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// uint8_t i;
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// uint8_t b;
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// b = *cmd++;
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// data_control = 0xF;
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// data_len = *cmd++;
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// for (i = 0; i < data_len; i++) {
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// data[i] = *cmd++;
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// }
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// if (b)
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// return AVCLan_SendData();
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// else
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// return AVCLan_SendDataBroadcast();
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// }
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// uint8_t AVCLan_SendMyData(uint8_t *data_tmp, uint8_t s_len) {
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// uint8_t i;
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// uint8_t *c;
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// c = data_tmp;
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// data_control = 0xF;
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// data_len = s_len;
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// for (i = 0; i < data_len; i++) {
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// data[i] = *c++;
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// }
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// return AVCLan_SendData();
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// }
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// uint8_t AVCLan_SendMyDataBroadcast(uint8_t *data_tmp, uint8_t s_len) {
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// uint8_t i;
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// uint8_t *c;
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// c = data_tmp;
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// data_control = 0xF;
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// data_len = s_len;
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// for (i = 0; i < data_len; i++) {
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// data[i] = *c++;
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// }
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// return AVCLan_SendDataBroadcast();
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// }
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uint8_t AVCLan_SendInitCommands() {
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uint8_t r;
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AVCLAN_frame_t frame = {.broadcast = BROADCAST,
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@ -106,14 +106,13 @@ typedef struct AVCLAN_frame_struct {
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} AVCLAN_frame_t;
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uint8_t AVCLAN_readframe();
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void AVCLan_Send_Status();
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uint8_t AVCLAN_sendframe(const AVCLAN_frame_t *frame);
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void AVCLAN_printframe(const AVCLAN_frame_t *frame);
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void AVCLan_Init();
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void AVCLAN_init();
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void AVCLan_Send_Status();
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void AVCLan_Register();
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uint8_t AVCLan_SendAnswer();
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uint8_t AVCLAN_sendframe(const AVCLAN_frame_t *frame);
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void AVCLAN_printframe(const AVCLAN_frame_t *frame);
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uint8_t incBCD(uint8_t data);
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@ -34,8 +34,10 @@
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#define EV_STATUS 4
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uint8_t Event;
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uint8_t echoCharacters;
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void Setup();
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void general_GPIO_init();
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int main() {
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uint8_t readSeq = 0;
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@ -215,27 +217,7 @@ void Setup() {
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printAllFrames = 1;
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echoCharacters = 1;
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// Handle unconnected pins PA3, PB3-5
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// Set as inputs
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PORTA.DIRCLR = PIN3_bm;
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PORTB.DIRCLR = (PIN3_bm | PIN4_bm | PIN5_bm);
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// Enable pull-up resistor and disable input buffer (reduces any EM caused pin
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// toggling and saves power)
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PORTA.PIN3CTRL = PORT_PULLUPEN_bm | PORT_ISC_INPUT_DISABLE_gc;
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PORTB.PIN3CTRL = PORT_PULLUPEN_bm | PORT_ISC_INPUT_DISABLE_gc;
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PORTB.PIN4CTRL = PORT_PULLUPEN_bm | PORT_ISC_INPUT_DISABLE_gc;
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PORTB.PIN5CTRL = PORT_PULLUPEN_bm | PORT_ISC_INPUT_DISABLE_gc;
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// Output only pins: PA4-5, PC0-1, PC3, PB2
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// TODO: TxD (PA1), RTS (PB0) is output only, test if RxD needs the input
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// buffer or if the UART peripheral bypasses it
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PORTA.PIN4CTRL = PORT_ISC_INPUT_DISABLE_gc;
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PORTA.PIN5CTRL = PORT_ISC_INPUT_DISABLE_gc;
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PORTC.PIN0CTRL = PORT_ISC_INPUT_DISABLE_gc;
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PORTC.PIN1CTRL = PORT_ISC_INPUT_DISABLE_gc;
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PORTC.PIN3CTRL = PORT_ISC_INPUT_DISABLE_gc;
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PORTB.PIN2CTRL = PORT_ISC_INPUT_DISABLE_gc;
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general_GPIO_init();
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// Setup RTC as 1 sec periodic timer
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loop_until_bit_is_clear(RTC_STATUS, RTC_CTRLABUSY_bp);
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@ -247,12 +229,40 @@ void Setup() {
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RS232_Init();
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AVCLan_Init();
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AVCLAN_init();
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Event = EV_NOTHING;
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sei();
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}
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/* Configure pin settings which are not configured by peripherals */
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void general_GPIO_init() {
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// Set pins PC2-3, PB0,3-5 as inputs
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PORTC.DIRCLR = (PIN2_bm | // Unconnected
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PIN3_bm); // CTS
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PORTB.DIRCLR = (PIN0_bm | // Unconnected
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PIN3_bm | // IGN_SENSE
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PIN4_bm | // Unused, but connected to WOC (PC0)
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PIN5_bm); // Unused, but connected to WOD (PC1)
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// Enable pull-up resistor and disable input buffer (reduces any EM caused pin
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// toggling and saves power) for unused and unconnected pins
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PORTC.PIN2CTRL = PORT_PULLUPEN_bm | PORT_ISC_INPUT_DISABLE_gc;
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PORTB.PIN0CTRL = PORT_PULLUPEN_bm | PORT_ISC_INPUT_DISABLE_gc;
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// Output only pins: PA3-5, PB1-2,4-5; PC0-1
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// TODO: TxD (PA1), RTS (PA3) is output only, test if RxD needs the input
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// buffer or if the UART peripheral bypasses it
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PORTA.PIN3CTRL = PORT_ISC_INPUT_DISABLE_gc; // RTS
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PORTA.PIN4CTRL = PORT_ISC_INPUT_DISABLE_gc; // WOA
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PORTA.PIN5CTRL = PORT_ISC_INPUT_DISABLE_gc; // WOB
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PORTB.PIN1CTRL = PORT_ISC_INPUT_DISABLE_gc; // MIC_CONTROL
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PORTB.PIN4CTRL = PORT_ISC_INPUT_DISABLE_gc; // non-driving WOC
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PORTB.PIN5CTRL = PORT_ISC_INPUT_DISABLE_gc; // non-driving WOD
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PORTC.PIN0CTRL = PORT_ISC_INPUT_DISABLE_gc; // WOC
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PORTC.PIN1CTRL = PORT_ISC_INPUT_DISABLE_gc; // WOD
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}
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// Periodic interrupt with a 1 sec period
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ISR(RTC_PIT_vect) {
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if (CD_Mode == stPlay) {
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