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new: Add support to PWM outputs for ESP32C3 and STM32 boards
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@lcgamboa
lcgamboa committed Dec 21, 2023
1 parent 0e88341 commit 82f6982
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Showing 14 changed files with 1,253 additions and 284 deletions.
489 changes: 432 additions & 57 deletions src/boards/board_Blue_Pill.cc
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198 changes: 83 additions & 115 deletions src/boards/board_C3_DevKitC.cc
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92 changes: 46 additions & 46 deletions src/boards/board_DevKitC.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -309,7 +309,7 @@ cboard_DevKitC::cboard_DevKitC(void) {
master_uart[2].tx_pin = 0;
master_uart[2].rx_pin = 0;

bitbang_pwm_init(&ledc, this, 16);
bitbang_pwm_init(&pwm_out, this, 16);

if (PICSimLab.GetWindow()) {
// label1
Expand Down Expand Up @@ -377,7 +377,7 @@ cboard_DevKitC::~cboard_DevKitC(void) {
wconfig->SetCanDestroy(true);
wconfig->WDestroy();
}
bitbang_pwm_end(&ledc);
bitbang_pwm_end(&pwm_out);
}

// Reset board status
Expand Down Expand Up @@ -861,45 +861,45 @@ void cboard_DevKitC::PinsExtraConfig(int cfg) {

switch (function) {
case 9: // HSPIQ
master_spi[0].ctrl_on = 1;
master_spi[0].cipo_pin = io2pin(gpio);
master_spi[0].ctrl_on = 1;
break;

case 14: // U0RXD
master_uart[0].ctrl_on = 1;
master_uart[0].rx_pin = io2pin(gpio);
master_uart[0].ctrl_on = 1;
break;
case 17: // U1RXD
master_uart[1].ctrl_on = 1;
master_uart[1].rx_pin = io2pin(gpio);
master_uart[1].ctrl_on = 1;
break;

case 29: // I2CEXT0_SCL
master_i2c[0].ctrl_on = 1;
master_i2c[0].scl_pin = io2pin(gpio);
master_i2c[0].ctrl_on = 1;
break;
case 30: // I2CEXT0_SDA
master_i2c[0].ctrl_on = 1;
master_i2c[0].sda_pin = io2pin(gpio);
master_i2c[0].ctrl_on = 1;
break;

case 64: // VSPIQ
master_spi[1].ctrl_on = 1;
master_spi[1].cipo_pin = io2pin(gpio);
master_spi[1].ctrl_on = 1;
break;

case 95: // I2CEXT1_SCL
master_i2c[1].ctrl_on = 1;
master_i2c[1].scl_pin = io2pin(gpio);
master_i2c[1].ctrl_on = 1;
break;
case 96: // I2CEXT1_SDA
master_i2c[1].ctrl_on = 1;
master_i2c[1].sda_pin = io2pin(gpio);
master_i2c[1].ctrl_on = 1;
break;

case 198: // U2RXD
master_uart[2].ctrl_on = 1;
master_uart[2].rx_pin = io2pin(gpio);
master_uart[2].ctrl_on = 1;
break;
}

Expand All @@ -913,72 +913,72 @@ void cboard_DevKitC::PinsExtraConfig(int cfg) {

switch (function) {
case 8: // HSPICLK
master_spi[0].ctrl_on = 1;
master_spi[0].sck_pin = io2pin(gpio);
master_spi[0].ctrl_on = 1;
break;
case 9: // HSPIQ
master_spi[0].ctrl_on = 1;
master_spi[0].cipo_pin = io2pin(gpio);
master_spi[0].ctrl_on = 1;
break;
case 10: // HSPID
master_spi[0].ctrl_on = 1;
master_spi[0].copi_pin = io2pin(gpio);
master_spi[0].ctrl_on = 1;
break;
case 11: // HSPICS0
master_spi[0].ctrl_on = 1;
master_spi[0].cs_pin[0] = io2pin(gpio);
master_spi[0].ctrl_on = 1;
break;

case 14: // U0TXD
master_uart[0].ctrl_on = 1;
master_uart[0].tx_pin = io2pin(gpio);
master_uart[0].ctrl_on = 1;
break;
case 17: // U1TXD
master_uart[1].ctrl_on = 1;
master_uart[1].tx_pin = io2pin(gpio);
master_uart[1].ctrl_on = 1;
break;

case 29: // I2CEXT0_SCL
master_i2c[0].ctrl_on = 1;
master_i2c[0].scl_pin = io2pin(gpio);
master_i2c[0].ctrl_on = 1;
break;
case 30: // I2CEXT0_SDA
master_i2c[0].ctrl_on = 1;
master_i2c[0].sda_pin = io2pin(gpio);
master_i2c[0].ctrl_on = 1;
break;

case 61: // HSPICS1
master_spi[0].ctrl_on = 1;
master_spi[0].cs_pin[1] = io2pin(gpio);
master_spi[0].ctrl_on = 1;
break;
case 62: // HSPICS2
master_spi[0].ctrl_on = 1;
master_spi[0].cs_pin[2] = io2pin(gpio);
master_spi[0].ctrl_on = 1;
break;

case 63: // VSPICLK
master_spi[1].ctrl_on = 1;
master_spi[1].sck_pin = io2pin(gpio);
master_spi[1].ctrl_on = 1;
break;
case 64: // VSPIQ
master_spi[1].ctrl_on = 1;
master_spi[1].cipo_pin = io2pin(gpio);
master_spi[1].ctrl_on = 1;
break;
case 65: // VSPID
master_spi[1].ctrl_on = 1;
master_spi[1].copi_pin = io2pin(gpio);
master_spi[1].ctrl_on = 1;
break;
case 68: // VSPICS0
master_spi[1].ctrl_on = 1;
master_spi[1].cs_pin[0] = io2pin(gpio);
master_spi[1].ctrl_on = 1;
break;
case 69: // VSPICS1
master_spi[1].ctrl_on = 1;
master_spi[1].cs_pin[1] = io2pin(gpio);
master_spi[1].ctrl_on = 1;
break;
case 70: // VSPICS2
master_spi[1].ctrl_on = 1;
master_spi[1].cs_pin[2] = io2pin(gpio);
master_spi[1].ctrl_on = 1;
break;
case 71: // ledc_hs_sig_out0
case 72: // ledc_hs_sig_out1
Expand All @@ -997,7 +997,7 @@ void cboard_DevKitC::PinsExtraConfig(int cfg) {
case 85: // ledc_ls_sig_out6
case 86: // ledc_ls_sig_out7
// printf("LEDC channel %i in GPIO %i\n", function - 71, gpio);
ledc.pins[function - 71] = io2pin(gpio);
pwm_out.pins[function - 71] = io2pin(gpio);
break;
case 87: // rmt_sig_out0
case 88: // rmt_sig_out1
Expand All @@ -1010,17 +1010,17 @@ void cboard_DevKitC::PinsExtraConfig(int cfg) {
// printf("RMT channel %i in GPIO %i\n", function - 71, gpio);
break;
case 95: // I2CEXT1_SCL
master_i2c[1].ctrl_on = 1;
master_i2c[1].scl_pin = io2pin(gpio);
master_i2c[1].ctrl_on = 1;
break;
case 96: // I2CEXT1_SDA
master_i2c[1].ctrl_on = 1;
master_i2c[1].sda_pin = io2pin(gpio);
master_i2c[1].ctrl_on = 1;
break;

case 198: // U2RTXD
master_uart[2].ctrl_on = 1;
master_uart[2].tx_pin = io2pin(gpio);
master_uart[2].ctrl_on = 1;
break;
}

Expand All @@ -1036,48 +1036,48 @@ void cboard_DevKitC::PinsExtraConfig(int cfg) {
case 0:
switch (gpio) {
case 1:
master_uart[0].ctrl_on = 1;
master_uart[0].tx_pin = IO1;
master_uart[0].ctrl_on = 1;
break;
case 3:
master_uart[0].ctrl_on = 1;
master_uart[0].rx_pin = IO3;
master_uart[0].ctrl_on = 1;
break;
}
break;
case 1:
switch (gpio) {
case 12:
master_spi[0].ctrl_on = 1;
master_spi[0].cipo_pin = IO12;
master_spi[0].ctrl_on = 1;
break;
case 13:
master_spi[0].ctrl_on = 1;
master_spi[0].copi_pin = IO13;
master_spi[0].ctrl_on = 1;
break;
case 14:
master_spi[0].ctrl_on = 1;
master_spi[0].sck_pin = IO14;
master_spi[0].ctrl_on = 1;
break;
case 15:
master_spi[0].ctrl_on = 1;
master_spi[0].cs_pin[0] = IO15;
master_spi[0].ctrl_on = 1;
break;
case 18:
master_spi[1].ctrl_on = 1;
master_spi[1].sck_pin = IO18;
master_spi[1].ctrl_on = 1;
break;
case 19:
master_spi[1].ctrl_on = 1;
master_spi[1].cipo_pin = IO19;
master_spi[1].ctrl_on = 1;
break;
case 23:
master_spi[1].ctrl_on = 1;
master_spi[1].copi_pin = IO23;
master_spi[1].ctrl_on = 1;
break;
case 5:
master_spi[1].ctrl_on = 1;
master_spi[1].cs_pin[0] = IO5;
master_spi[1].ctrl_on = 1;
break;
}
break;
Expand All @@ -1088,20 +1088,20 @@ void cboard_DevKitC::PinsExtraConfig(int cfg) {
case 4:
switch (gpio) {
case 9:
master_uart[1].ctrl_on = 1;
master_uart[1].rx_pin = IO9;
master_uart[1].ctrl_on = 1;
break;
case 10:
master_uart[1].ctrl_on = 1;
master_uart[1].tx_pin = IO10;
master_uart[1].ctrl_on = 1;
break;
case 16:
master_uart[2].ctrl_on = 1;
master_uart[2].rx_pin = IO16;
master_uart[2].ctrl_on = 1;
break;
case 17:
master_uart[2].ctrl_on = 1;
master_uart[2].tx_pin = IO17;
master_uart[2].ctrl_on = 1;
break;
}
break;
Expand All @@ -1111,7 +1111,7 @@ void cboard_DevKitC::PinsExtraConfig(int cfg) {

} break;
case QEMU_EXTRA_PIN_LEDC_CFG:
bitbang_pwm_set_duty(&ledc, (cfg & 0x0F00) >> 8, cfg & 0xFF);
bitbang_pwm_set_duty(&pwm_out, (cfg & 0x0F00) >> 8, cfg & 0xFF);
break;
}
}
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